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Cohen S, Yerushalmy-Feler A, Rojas I, Phen C, Rudnick DA, Flahive CB, Erdman SH, Magen-Rimon R, Copova I, Attard T, Latchford A, Hyer W. Juvenile polyposis syndrome in children: The impact of SMAD4 and BMPR1A mutations on clinical phenotype and polyp burden. J Pediatr Gastroenterol Nutr 2024. [PMID: 38801072 DOI: 10.1002/jpn3.12257] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Grants] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 03/24/2024] [Revised: 05/09/2024] [Accepted: 05/15/2024] [Indexed: 05/29/2024]
Abstract
OBJECTIVE A constitutional disease-causing variant (DCV) in the SMAD4 or BMPR1A genes is present in 40%-60% of patients with juvenile polyposis syndrome (JPS). The aim of this study was to characterize the clinical course and polyp burden in children with DCV-positive JPS compared to DCV-negative JPS. METHODS Demographic, clinical, genetic, and endoscopic data of children with JPS were compiled from eight international centers in the ESPHGAN/NASPGHAN polyposis working group. RESULTS A total of 124 children with JPS were included: 69 (56%) DCV-negative and 55 (44%) DCV-positive (53% SMAD4 and 47% BMPR1A) with a median (interquartile range [IQR]) follow-up of 4 (2.8-6.4) years. DCV-positive children were diagnosed at an older age compared to DCV-negative children [12 (8-15.7) years vs. 5 (4-7) years, respectively, p < 0.001], had a higher frequency of family history of polyposis syndromes (50.9% vs. 1.4%, p < 0.001), experienced a greater frequency of extraintestinal manifestations (27.3% vs. 5.8%, p < 0.001), and underwent more gastrointestinal surgeries (16.4% vs. 1.4%, p = 0.002). The incidence rate ratio for the development of new colonic polyps was 6.15 (95% confidence interval 3.93-9.63, p < 0.001) in the DCV-positive group compared to the DCV-negative group, with an average of 12.2 versus 2 new polyps for every year of follow-up. There was no difference in the burden of polyps between patients with SMAD4 and BMPR1A mutations. CONCLUSIONS This largest international cohort of pediatric JPS revealed that DCV-positive and DCV-negative children exhibit distinct clinical phenotype. These findings suggest a potential need of differentiated surveillance strategies based upon mutation status.
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Affiliation(s)
- Shlomi Cohen
- Tel Aviv Sourasky Medical Center, affiliated to the Faculty of Medicine, Pediatric Gastroenterology Institute, Dana-Dwek Children's Hospital, Tel Aviv University, Tel Aviv, Israel
| | - Anat Yerushalmy-Feler
- Tel Aviv Sourasky Medical Center, affiliated to the Faculty of Medicine, Pediatric Gastroenterology Institute, Dana-Dwek Children's Hospital, Tel Aviv University, Tel Aviv, Israel
| | - Isabel Rojas
- Division of Gastroenterology, Hepatology and Nutrition, Department of Pediatrics, University of Texas Southwestern Medical Center, Dallas, Texas, USA
| | - Claudia Phen
- Division of Gastroenterology, Hepatology and Nutrition, Department of Pediatrics, University of Texas Southwestern Medical Center, Dallas, Texas, USA
| | - David A Rudnick
- Departments of Pediatrics and Developmental Biology, Washington University School of Medicine, St. Louis, Missouri, USA
| | - Colleen B Flahive
- Department of Pediatrics, Division of Gastroenterology Hepatology and Nutrition, Nationwide Children's Hospital, The Ohio State University College of Medicine, Columbus, Ohio, USA
| | - Steven H Erdman
- Department of Pediatrics, Division of Gastroenterology Hepatology and Nutrition, Nationwide Children's Hospital, The Ohio State University College of Medicine, Columbus, Ohio, USA
| | - Ramit Magen-Rimon
- Rambam Medical Center, Faculty of Medicine, Pediatric Gastroenterology and Nutrition Institute, Ruth Children's Hospital of Haifa, Technion, Haifa, Israel
| | - Ivana Copova
- Department of Pediatric Gastroenterology, Hepatology and Nutrition, University Hospital Motol and 2nd Faculty of Medicine, Prague, Czech Republic
| | - Thomas Attard
- Division of Gastroenterology, Hepatology and Nutrition, Children's Mercy Hospital Kansas City, The University of Missouri in Kansas City School of Medicine, Kansas City, Missouri, USA
| | - Andrew Latchford
- St Mark's Centre for Familial Intestinal Cancer, St Mark's Hospital, London, UK
- Department of Surgery and Cancer, Imperial College, London, UK
| | - Warren Hyer
- St Mark's Hospital, National Bowel Hospital, London, UK
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Amru RL, Dhok A. Peutz-Jeghers Syndrome: A Comprehensive Review of Genetics, Clinical Features, and Management Approaches. Cureus 2024; 16:e58887. [PMID: 38800180 PMCID: PMC11116740 DOI: 10.7759/cureus.58887] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 08/22/2023] [Accepted: 04/23/2024] [Indexed: 05/29/2024] Open
Abstract
A relatively rare inherited condition known as Peutz-Jeghers syndrome (PJS) causes mucocutaneous pigmentation and gastrointestinal hamartomatous polyps. These polyps are non-cancerous, but the presence of PJS significantly increases the chances of developing various types of cancers, such as colorectal, pancreatic, gastric, and breast cancer. The purpose of this review article is to give an abbreviated summary of what is currently known about this syndrome, covering its clinical symptoms, pathophysiology, genetics, and management. PJS also raises the risk of getting many malignancies, especially gastrointestinal and pelvic cancers. Symptoms of the gastrointestinal tract brought on by hamartomatous polyps are frequent and include stool blockage, bleeding, and stomach pain. The pigmentation commonly appears as prominent bluish-black macules and frequently affects the skin and mucous membranes. Small macules and large regions of lentiginous pigmentation are both possible. Numerous areas, including the perioral area, buccal mucosa, fingers, and lips, exhibit pigmentation. Bowel obstruction and intussusception risk can be decreased by early identification and routine surveillance of gastrointestinal polyps. The gene serine/threonine kinase 11 (STK11) controls several biological functions, including cell polarity, growth, and proliferation. Genetic counseling is recommended for the affected individuals and their families. This can help assess the risk of passing on the condition to future generations and provide information about available reproductive options. Regular surveillance is crucial for managing the syndrome and reducing the risk of cancer development. Other syndromes and extra-gastrointestinal characteristics, such as somatic tumor polyps outside the gastrointestinal tract, are also linked to this syndrome.
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Affiliation(s)
- Rohan L Amru
- Biochemistry, Jawaharlal Nehru Medical College, Datta Meghe Institute of Higher Education and Research, Wardha, IND
| | - Archana Dhok
- Biochemistry, Jawaharlal Nehru Medical College, Datta Meghe Institute of Higher Education and Research, Wardha, IND
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Rosty C, Brosens LAA. Pathology of Gastrointestinal Polyposis Disorders. Gastroenterol Clin North Am 2024; 53:179-200. [PMID: 38280747 DOI: 10.1016/j.gtc.2023.09.006] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 01/29/2024]
Abstract
Gastrointestinal polyposis disorders are a group of syndromes defined by clinicopathologic features that include the predominant histologic type of colorectal polyp and specific inherited gene mutations. Adenomatous polyposis syndromes comprise the prototypical familial adenomatous polyposis syndrome and other recently identified genetic conditions inherited in a dominant or recessive manner. Serrated polyposis syndrome is defined by arbitrary clinical criteria. The diagnosis of hamartomatous polyposis syndromes can be suggested from the histologic characteristics of colorectal polyps and the association with various extraintestinal manifestations. Proper identification of affected individuals is important due to an increased risk of gastrointestinal and extragastrointestinal cancers.
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Affiliation(s)
- Christophe Rosty
- Envoi Specialist Pathologists, Brisbane, Queensland 4059, Australia; University of Queensland, Brisbane, Queensland 4072, Australia; Department of Clinical Pathology, Colorectal Oncogenomics Group, Victorian Comprehensive Cancer Centre, The University of Melbourne, Victoria 3051, Australia.
| | - Lodewijk A A Brosens
- Department of Pathology University Medical Center Utrecht, Utrecht University, Postbus 85500, 3508, Utrecht, Galgenwaad, The Netherlands
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Cohen S, Hyer W, Attard T. Endoscopy in pediatric polyposis syndromes: why, when and how. Eur J Gastroenterol Hepatol 2024; 36:255-263. [PMID: 38251433 DOI: 10.1097/meg.0000000000002702] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [MESH Headings] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Indexed: 01/23/2024]
Abstract
Single or multiple polyps are frequently encountered during colonoscopy among children and adolescents and may be indicative of hereditary polyposis syndrome (HPS). The management of children with single or multiple polyps is guided by the number of polyps, their distribution and the histological findings. Children with HPS carry a high risk of complications, including intestinal and extra-intestinal malignancies. The goals of surveillance in pediatric HPS are to treat symptoms, monitor the burden of polyps and prevent short- and long-term complications. Therefore, the management of children with HPS is based on therapeutic endoscopy. The strategy of therapeutic endoscopy is a careful assessment and characterization of the polyps and performing polypectomies using advanced endoscopic techniques. A multidisciplinary approach, comprising clinical, interventional endoscopy, cancer surveillance and support of familial and emotional aspects is essential in the management of children with HPS.
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Affiliation(s)
- Shlomi Cohen
- Pediatric Gastroenterology Institute, Dana-Dwek Children's Hospital, Tel Aviv Sourasky Medical Center, affiliated to the Faculty of Medicine, Tel Aviv University, Tel Aviv, Israel
| | - Warren Hyer
- St Mark's Hospital Polyposis Registry, Harrow, UK
| | - Thomas Attard
- Division of Gastroenterology, Hepatology and Nutrition, The University of Missouri in Kansas Division of Gastroenterology, Hepatology and Nutrition, City School of Medicine, Children's Mercy Hospital Kansas City, Missouri, USA
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Matsuyama S, Fukuda A, Matsumoto A, Eguchi H, Ueo T, Ohana M, Seno H. Sporadic gastric juvenile polyposis with a novel SMAD4 nonsense mutation in a mosaic pattern. Clin J Gastroenterol 2024; 17:23-28. [PMID: 37950802 DOI: 10.1007/s12328-023-01884-w] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 09/01/2023] [Accepted: 10/19/2023] [Indexed: 11/13/2023]
Abstract
A 50-year-old female was diagnosed with gastric hyperplastic polyps 7 years before and was followed up at another hospital. She was referred to our hospital because of the growth of gastric polyps and progression of anemia. She had no family history of polyposis. The polyps were observed only in the stomach, increased in size and number, and the erythematous edema got worse. Endoscopic mucosal resection (EMR) of the gastric polyp was performed. Pathologically, the gastric polyp was hamartomatous polyp, and the intervening mucosa between polyps showed no atypical structure without inflammation. Given that gastric juvenile polyposis (GJP) was clinically suspected, a genetic test using peripheral blood was performed. Target resequencing and Sanger sequencing analysis revealed a nonsense mutation in the SMAD4 gene at codon 169. The mutation was detected at a low frequency of 11%, and considered a mosaic mutation. Therefore, she was diagnosed with a sporadic GJP, and total gastrectomy was performed. Immunostaining of SMAD4 for the resected specimen showed a mixture of stained and unstained area in the epithelium of the polyp, indicating partial loss of SMAD4 expression. To our knowledge, this is the first reported case of GJP with a nonsense SMAD4 mutation at codon 169 in a mosaic pattern.
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Affiliation(s)
- Sho Matsuyama
- Department of Gastroenterology and Hepatology, Kyoto University Graduate School of Medicine, 54 Kawahara-Cho, Shogoin, Sakyo-Ku, Kyoto, 606-8507, Japan.
- Department of Gastroenterology, Tenri Hospital, 200 Mishima-Cho, Tenri, Nara, 632-8552, Japan.
| | - Akihisa Fukuda
- Department of Gastroenterology and Hepatology, Kyoto University Graduate School of Medicine, 54 Kawahara-Cho, Shogoin, Sakyo-Ku, Kyoto, 606-8507, Japan
| | - Atsushi Matsumoto
- Department of Gastroenterology, Tenri Hospital, 200 Mishima-Cho, Tenri, Nara, 632-8552, Japan
| | - Hidetaka Eguchi
- Diagnostics and Therapeutics of Intractable Diseases, Intractable Disease Research Center, Juntendo University Graduate School of Medicine, Tokyo, 113-8431, Japan
| | - Taro Ueo
- Department of Gastroenterology, Tenri Hospital, 200 Mishima-Cho, Tenri, Nara, 632-8552, Japan
| | - Masaya Ohana
- Department of Gastroenterology, Tenri Hospital, 200 Mishima-Cho, Tenri, Nara, 632-8552, Japan
| | - Hiroshi Seno
- Department of Gastroenterology and Hepatology, Kyoto University Graduate School of Medicine, 54 Kawahara-Cho, Shogoin, Sakyo-Ku, Kyoto, 606-8507, Japan
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Jelsig AM, Wullum L, Kuhlmann TP, Ousager LB, Burisch J, Karstensen JG. Risk of Cancer and Mortality in Peutz-Jeghers Syndrome and Juvenile Polyposis Syndrome-A Nationwide Cohort Study With Matched Controls. Gastroenterology 2023; 165:1565-1567.e2. [PMID: 37659672 DOI: 10.1053/j.gastro.2023.08.040] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [MESH Headings] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 07/10/2023] [Revised: 08/22/2023] [Accepted: 08/27/2023] [Indexed: 09/04/2023]
Affiliation(s)
- Anne Marie Jelsig
- Department of Clinical Genetics, University Hospital of Copenhagen, Rigshospitalet, Copenhagen, Denmark.
| | | | | | | | - Johan Burisch
- Danish Polyposis Registry, Gastrounit, Copenhagen University Hospital-Amager and Hvidovre, Hvidovre, Denmark
| | - John Gásdal Karstensen
- Danish Polyposis Registry, Gastrounit, Copenhagen University Hospital-Amager and Hvidovre, Hvidovre, Denmark; Department of Clinical Medicine, University of Copenhagen, Copenhagen, Denmark
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Jelsig AM, van Overeem Hansen T, Gede LB, Qvist N, Christensen LL, Lautrup CK, Ljungmann K, Christensen LT, Rønlund K, Tørring PM, Bertelsen B, Sunde L, Karstensen JG. Whole genome sequencing and disease pattern in patients with juvenile polyposis syndrome: a nationwide study. Fam Cancer 2023; 22:429-436. [PMID: 37354305 PMCID: PMC10542306 DOI: 10.1007/s10689-023-00338-z] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 04/26/2023] [Accepted: 05/23/2023] [Indexed: 06/26/2023]
Abstract
Juvenile polyposis syndrome (JPS) is a hereditary hamartomatous polyposis syndrome characterized by gastrointestinal juvenile polyps and increased risk of gastrointestinal cancer. Germline pathogenic variants are detected in SMAD4 or BMPR1A, however in a significant number of patients with JPS, the etiology is unknown. From Danish registers, and genetic department and laboratories, we identified all patients in Denmark with a clinical diagnosis of JPS and/or a pathogenic variant in BMPR1A or SMAD4. In patients where no variant had been detected, we performed genetic analysis, including whole genome sequencing. We collected clinical information on all patients to investigate the phenotypic spectrum. Sixty-six patients (mean age 40 years) were included of whom the pathogenic variant was unknown in seven patients. We detected a pathogenic variant in SMAD4 or PTEN in additional three patients and thus ≈ 95% of patients had a pathogenic germline variant. Endoscopic information was available in fifty-two patients (79%) and of these 31 (60%) fulfilled the clinical criteria of JPS. In 41 patients (79%), other types of polyps than juvenile had been removed. Our results suggest that almost all patients with a clinical diagnosis of JPS has a pathogenic variant in mainly BMPR1A, SMAD4, and more rarely PTEN. However, not all patients with a pathogenic variant fulfil the clinical criteria of JPS. We also demonstrated a wide clinical spectrum, and that the histopathology of removed polyps varied.
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Affiliation(s)
- Anne Marie Jelsig
- Department of Clinical Genetics, University Hospital of Copenhagen, Rigshospitalet, Copenhagen, Denmark.
| | - Thomas van Overeem Hansen
- Department of Clinical Genetics, University Hospital of Copenhagen, Rigshospitalet, Copenhagen, Denmark
- Department of Clinical Medicine, Faculty of Health and Medical Sciences, University of Copenhagen, Copenhagen, Denmark
| | - Lene Bjerring Gede
- Department of Clinical Genetics, University Hospital of Copenhagen, Rigshospitalet, Copenhagen, Denmark
| | - Niels Qvist
- Research Unit for Surgery, Odense University Hospital, Odense, Denmark
- University of Southern Denmark, Odense, Denmark
| | | | | | - Ken Ljungmann
- Department of Surgery, Aarhus University Hospital, Aarhus, Denmark
| | | | - Karina Rønlund
- Department of Clinical Genetics, University Hospital of Southern Denmark, Vejle Hospital, Vejle, Denmark
| | | | - Birgitte Bertelsen
- Center for Genomic Medicine, University Hospital of Copenhagen, Rigshospitalet, Copenhagen, Denmark
| | - Lone Sunde
- Department of Clinical Genetics, Aalborg University Hospital, Aalborg, Denmark
- Department of Clinical Medicine, Aalborg University, Aalborg, Denmark
| | - John Gásdal Karstensen
- Danish Polyposis Registry, Gastrounit, Copenhagen University Hospital - Amager and Hvidovre, Hvidovre, Denmark
- Department of Clinical Medicine, University of Copenhagen, Copenhagen, Denmark
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Foda ZH, Dharwadkar P, Katona BW. Preventive strategies in familial and hereditary colorectal cancer. Best Pract Res Clin Gastroenterol 2023; 66:101840. [PMID: 37852714 DOI: 10.1016/j.bpg.2023.101840] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 04/14/2023] [Revised: 05/05/2023] [Accepted: 05/17/2023] [Indexed: 10/20/2023]
Abstract
Colorectal cancer is a leading cause of cancer-related deaths worldwide. While most cases are sporadic, a significant proportion of cases are associated with familial and hereditary syndromes. Individuals with a family history of colorectal cancer have an increased risk of developing the disease, and those with hereditary syndromes such as Lynch syndrome or familial adenomatous polyposis have a significantly higher risk. In these populations, preventive strategies are critical for reducing the incidence and mortality of colorectal cancer. This review provides an overview of current preventive strategies for individuals at increased risk of colorectal cancer due to familial or hereditary factors. The manuscript includes a discussion of risk assessment and genetic testing, highlighting the importance of identifying at-risk individuals and families. This review describes various preventive measures, including surveillance colonoscopy, chemoprevention, and prophylactic surgery, and their respective benefits and limitations. Together, this work highlights the importance of preventive strategies in familial and hereditary colorectal cancer.
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Affiliation(s)
- Zachariah H Foda
- The Sidney Kimmel Comprehensive Cancer Center and Department of Medicine, Division of Gastroenterology, Johns Hopkins University School of Medicine, Baltimore, MD, USA
| | - Pooja Dharwadkar
- Division of Gastroenterology, Department of Medicine, University of California, San Francisco, CA, USA
| | - Bryson W Katona
- Division of Gastroenterology and Hepatology, University of Pennsylvania Perelman School of Medicine, Philadelphia, PA, USA.
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McCarthy RL, Copson E, Tapper W, Bolton H, Mirnezami AH, O'Neill JR, Patel NN, Tischkowitz M, Cutress RI. Risk-reducing surgery for individuals with cancer-predisposing germline pathogenic variants and no personal cancer history: a review of current UK guidelines. Br J Cancer 2023; 129:383-392. [PMID: 37258796 PMCID: PMC10403612 DOI: 10.1038/s41416-023-02296-w] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 01/20/2023] [Revised: 04/18/2023] [Accepted: 04/21/2023] [Indexed: 06/02/2023] Open
Abstract
Identifying healthy carriers of germline pathogenic variants in high penetrance cancer susceptibility genes offers the potential for risk-reducing surgery. The NHS England National Genomic Test Directory offers germline and somatic testing to patients with certain cancers or rare and inherited diseases, or, in some cases, to their relatives. This review summarises current UK guidelines for risk-reducing surgical interventions available for individuals with no personal history of cancer, who are determined to carry germline pathogenic variants. An electronic literature search of NICE guidelines and PubMed citable articles was performed. NICE guidelines are available for bilateral mastectomy and are currently in development for risk-reducing bilateral salpingo-oophorectomy. Guidelines developed with affiliation to, or through relevant British Surgical Societies or international consensus, are available for risk-reducing hysterectomy, polypectomy, gastrectomy, and thyroidectomy. There is a disparity in the development and distribution of national guidelines for interventions amongst tumour types. Whilst we are focusing on UK guidelines, we anticipate they will be relevant much more generally and so of interest to a wider audience including where there are no national guidelines to refer to. We suggest that, as genetic testing becomes rapidly more accessible, guideline development for interventions should be more closely aligned to those for testing.
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Affiliation(s)
- Rebecca L McCarthy
- University Hospital Southampton NHS Trust, Southampton, UK.
- Faculty of Medicine, University of Southampton, Southampton, UK.
| | - Ellen Copson
- University Hospital Southampton NHS Trust, Southampton, UK
- Cancer Sciences Academic Unit, University of Southampton, Southampton, UK
| | - William Tapper
- University of Southampton Faculty of Medicine Health and Life Sciences, Southampton, UK
| | - Helen Bolton
- Department of Gynaecological Oncology, Cambridge University Hospitals NHS Foundation Trust, Addenbrooke's Hospital, Cambridge, Cambridgeshire, UK
| | - Alex H Mirnezami
- University Hospital Southampton NHS Trust, Southampton, UK
- Cancer Sciences Academic Unit, University of Southampton, Southampton, UK
| | - J Robert O'Neill
- Cambridge Oesophagogastric Centre, Addenbrooke's Hospital, Cambridge, Cambridgeshire, UK
| | - Nimesh N Patel
- Department of Otolaryngology, University Hospital Southampton NHS Foundation Trust, Southampton, UK
| | - Marc Tischkowitz
- Department of Medical Genetics, National Institute for Health Research Cambridge Biomedical Research Centre, University of Cambridge, Cambridge, UK
| | - Ramsey I Cutress
- University Hospital Southampton NHS Trust, Southampton, UK
- Cancer Sciences Academic Unit, University of Southampton, Southampton, UK
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Papadopulos ME, Plazzer JP, Macrae FA. Genotype-phenotype correlation of BMPR1a disease causing variants in juvenile polyposis syndrome. Hered Cancer Clin Pract 2023; 21:12. [PMID: 37400896 DOI: 10.1186/s13053-023-00255-3] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 10/10/2022] [Accepted: 06/07/2023] [Indexed: 07/05/2023] Open
Abstract
BACKGROUND Juvenile Polyposis Syndrome (JPS) is an autosomal dominant condition with hamartomatous polyps in the gastrointestinal tract, associated with an increased risk of gastrointestinal malignancy. Disease causing variants (DCVs) in BMPR1a or SMAD4 account for 45-60% of JPS cases, with BMPR1a DCVs accounting for 17-38% of JPS cases. Within those with either a BMPR1a or SMAD4 DCV, there is phenotypic variability in location of polyps, risk of malignancy and extra-intestinal manifestations with limited published reports of gene-phenotype association or genotype-phenotype correlation. We aimed to identify any gene-phenotype association or genotype-phenotype correlation in BMPR1a to inform surveillance recommendations, and gene-specific modification to the ACMG classification of pathogenicity of DCVs. METHODS A literature search was performed through EMBASE, MEDLINE and PubMed. Studies that were included explored BMPR1a DCV-related JPS or contiguous deletion of PTEN and BMPR1a. Data was also drawn from the BMPR1a specific databases on LOVD and ClinVar. RESULTS There were 211 DCVs in BMPR1a identified, 82 from patients with JPS in the literature, and 17 from LOVD and 112 from ClinVar classified as pathogenic or likely pathogenic. These included missense, nonsense and frameshift variants and large deletions, occurring across all functional domains of the gene. Unlike in SMAD4 carriers, gastric polyposis and malignancy were not identified in our review in BMPR1a carriers, but colonic polyposis and malignancy occurred in carriers of either BMPR1a or SMAD4 DCVs. Those with contiguous deletion of PTEN and BMPR1a can present with JPS of infancy, with a severe phenotype of GI bleeding, diarrhoea, exudative enteropathy and rectal prolapse. No specific BMPR1a genotype-phenotype correlation could be ascertained including by variant type or functional domain. CONCLUSION Phenotypic characteristics cannot be used to inform variant location in BMPR1a. However, the phenotypic characteristics of BMPR1a DCV carriers, being almost exclusively related to the colon and rectum, can assist in pathogenicity assessment of BMPR1a variants. Given these findings, we propose that carriers of BMPR1a DCVs should only require surveillance for colorectal polyps and malignancy, and that surveillance for gastric polyps and malignancy may be unnecessary. However variant location within BMPR1a does not support differential surveillance recommendations.
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Affiliation(s)
- M E Papadopulos
- Department of Medicine, University of Melbourne, The Royal Melbourne Hospital, Melbourne, Australia.
- Department of Colorectal Medicine and Genetics, The Royal Melbourne Hospital, Melbourne, Australia.
| | - J P Plazzer
- Department of Colorectal Medicine and Genetics, The Royal Melbourne Hospital, Melbourne, Australia
| | - F A Macrae
- Department of Medicine, University of Melbourne, The Royal Melbourne Hospital, Melbourne, Australia
- Department of Colorectal Medicine and Genetics, The Royal Melbourne Hospital, Melbourne, Australia
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Ullah F, Pillai AB, Omar N, Dima D, Harichand S. Early-Onset Colorectal Cancer: Current Insights. Cancers (Basel) 2023; 15:3202. [PMID: 37370811 DOI: 10.3390/cancers15123202] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 04/24/2023] [Revised: 06/01/2023] [Accepted: 06/12/2023] [Indexed: 06/29/2023] Open
Abstract
Over the past decade, the incidence of colorectal cancer has increased in individuals under the age of 50 years. Meanwhile, the incidence has gradually decreased in the older population. As described herein, we reviewed the available literature to summarize the current landscape of early-onset colorectal cancer, including risk factors, clinicopathological presentation, genetic makeup of patients, and management. Currently, early-onset colorectal cancer is treated similarly as late-onset colorectal cancer, yet the available literature shows that early-onset colorectal cancer is more aggressive and different, and this remains a significant unmet need. A detailed understanding of early-onset colorectal cancer is needed to identify risk factors for the increased incidence and tailor treatments accordingly.
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Affiliation(s)
- Fauzia Ullah
- Department of Translational Hematology and Oncology Research, Cleveland Clinic Foundation, Cleveland, OH 44195, USA
| | - Ashwathy Balachandran Pillai
- Department of General Internal Medicine, The University of Texas MD Anderson Cancer Center, Houston, TX 77030, USA
| | - Najiullah Omar
- Department of Translational Hematology and Oncology Research, Cleveland Clinic Foundation, Cleveland, OH 44195, USA
| | - Danai Dima
- Department of Translational Hematology and Oncology Research, Cleveland Clinic Foundation, Cleveland, OH 44195, USA
- Department of Hematology and Medical Oncology, Taussig Cancer Institute, Cleveland Clinic Foundation, Cleveland, OH 44195, USA
| | - Seema Harichand
- Department of Internal Medicine, Mission Cancer + Blood, University of Iowa, Des Moines, IA 50309, USA
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Erasimus H, Kolnik V, Lacroix F, Sidhu S, D'Agostino S, Lemaitre O, Rohaut A, Sanchez I, Thill G, Didier M, Debussche L, Marcireau C. Genome-wide CRISPR Screen Reveals RAB10 as a Synthetic Lethal Gene in Colorectal and Pancreatic Cancers Carrying SMAD4 Loss. CANCER RESEARCH COMMUNICATIONS 2023; 3:780-792. [PMID: 37377893 PMCID: PMC10158796 DOI: 10.1158/2767-9764.crc-22-0301] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Grants] [Track Full Text] [Figures] [Subscribe] [Scholar Register] [Received: 07/29/2022] [Revised: 03/01/2023] [Accepted: 04/07/2023] [Indexed: 06/29/2023]
Abstract
The TGFβ signaling mediator SMAD4 is frequently mutated or deleted in colorectal and pancreatic cancers. SMAD4 acts as a tumor suppressor and its loss is associated with poorer patient outcomes. The purpose of this study was to find synthetic lethal interactions with SMAD4 deficiency to find novel therapeutic strategies for the treatment of patients with SMAD4-deficient colorectal or pancreatic cancers. Using pooled lentiviral single-guide RNA libraries, we conducted genome-wide loss-of-function screens in Cas9-expressing colorectal and pancreatic cancer cells harboring altered or wild-type SMAD4. The small GTPase protein RAB10 was identified and validated as a susceptibility gene in SMAD4-altered colorectal and pancreatic cancer cells. Rescue assays showed that RAB10 reintroduction reversed the antiproliferative effects of RAB10 knockout in SMAD4-negative cell lines. Further investigation is necessary to shed light on the mechanism by which RAB10 inhibition decreases cell proliferation of SMAD4-negative cells. Significance This study identified and validated RAB10 as new synthetic lethal gene with SMAD4. This was achieved by conducting a whole-genome CRISPR screens in different colorectal and pancreatic cell lines. A future RAB10 inhibitors could correspond to a new therapeutic solution for patients with cancer with SMAD4 deletion.
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Affiliation(s)
| | | | | | | | | | | | | | | | - Gilbert Thill
- Sanofi, Translational Sciences, Chilly-Mazarin, France
| | - Michel Didier
- Sanofi, Translational Sciences, Chilly-Mazarin, France
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13
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Occurrence of gastric cancer in patients with juvenile polyposis syndrome: a systematic review and meta-analysis. Gastrointest Endosc 2023; 97:407-414.e1. [PMID: 36265529 DOI: 10.1016/j.gie.2022.10.026] [Citation(s) in RCA: 3] [Impact Index Per Article: 3.0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 07/17/2022] [Revised: 09/15/2022] [Accepted: 10/10/2022] [Indexed: 01/27/2023]
Abstract
BACKGROUND AND AIMS The true rate of gastric cancer (GC) in juvenile polyposis syndrome (JPS) is unknown because of its rarity and ascertainment bias in published literature. To better assess this, we conducted a systematic review and meta-analysis. METHODS MEDLINE, Embase, and Scopus databases were searched for the key words juvenile polyposis syndrome, juvenile polyps, stomach cancer, GC, SMAD4, BMPR1A, hamartomatous polyposis syndrome, hamartomas, and hereditary cancers for studies reporting upper GI manifestations in JPS. The primary outcome was the reported occurrence of GC in JPS. We then compared GC occurrence based on the presence or absence of pathogenic germline variants (PGVs) and in untested patients. RESULTS Eleven studies including 637 patients were included. The pooled occurrence of GC was 3.5% (95% confidence interval [CI], 1.8-5.2; I2 = 12.3%) at a median age of 42.5 years (range, 15-57.6). The pooled occurrence of GC in patients with SMAD4 PGV was 10.1% (95% CI, 3.2-16.8%; I2 = 54.7%). GC was reported in only 1 BMPR1A PGV carrier and was not reported in patients without an identifiable PGV. In patients with prior germline testing, the risk of GC was higher in SMAD4 PGV carriers (odds ratio, 11.6; 95% CI, 4.6-29.4; I2 = 18.3%) compared with patients without SMAD4 PGV. In JPS patients with unknown status of germline testing, pooled occurrence of GC was 7.5% (95% CI, 0-15.5). There was an overall moderate risk of bias in the studies. CONCLUSIONS GC is highest in SMAD4-associated JPS and was not reported in patients without identifiable PGVs. The value of GC surveillance in BMPR1A PGV carriers and JPS patients without an identifiable PGV is questionable. Germline testing should be performed in all JPS patients to inform GC risk discussion and utility of surveillance.
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14
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Gorji L, Albrecht P. Hamartomatous polyps: Diagnosis, surveillance, and management. World J Gastroenterol 2023; 29:1304-1314. [PMID: 36925460 PMCID: PMC10011967 DOI: 10.3748/wjg.v29.i8.1304] [Citation(s) in RCA: 1] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Download PDF] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 09/13/2022] [Revised: 12/08/2022] [Accepted: 02/16/2023] [Indexed: 02/28/2023] Open
Abstract
Hereditary polyposis syndrome can be divided into three categories: Ade-nomatous, serrated, and hamartomatous polyps. Hamartomatous polyps, malformations of normal tissue presenting in a disorganized manner, are characterized by an autosomal dominant inheritance pattern. These syndromes exhibit hamartomatous gastrointestinal polyps in conjunction to extra-intestinal manifestations, which require conscientious and diligent monitoring. Peutz-Jeghers syndrome, Cowden syndrome, and juvenile polyposis syndrome are the most common displays of hamartomatous polyposis syndrome (HPS). Diagnosis can be pursued with molecular testing and endoscopic sampling. Early identification of these autosomal dominant pathologies allows to optimize malignancy sur-veillance, which helps reduce morbidity and mortality in both the affected patient population as well as at-risk family members. Endoscopic surveillance is an important pillar of prognosis and monitoring, with many patients eventually requiring surgical intervention. In this review, we discuss the diagnosis, surveillance, and management of HPS.
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Affiliation(s)
- Leva Gorji
- Department of Surgery, Kettering Health Dayton, Dayton, OH 45405, United States
| | - Peter Albrecht
- Department of Surgery, Kettering Health Dayton, Dayton, OH 45405, United States
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15
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De S, Paul S, Manna A, Majumder C, Pal K, Casarcia N, Mondal A, Banerjee S, Nelson VK, Ghosh S, Hazra J, Bhattacharjee A, Mandal SC, Pal M, Bishayee A. Phenolic Phytochemicals for Prevention and Treatment of Colorectal Cancer: A Critical Evaluation of In Vivo Studies. Cancers (Basel) 2023; 15:cancers15030993. [PMID: 36765950 PMCID: PMC9913554 DOI: 10.3390/cancers15030993] [Citation(s) in RCA: 8] [Impact Index Per Article: 8.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 12/30/2022] [Revised: 01/30/2023] [Accepted: 01/30/2023] [Indexed: 02/08/2023] Open
Abstract
Colorectal cancer (CRC) is the third most diagnosed and second leading cause of cancer-related death worldwide. Limitations with existing treatment regimens have demanded the search for better treatment options. Different phytochemicals with promising anti-CRC activities have been reported, with the molecular mechanism of actions still emerging. This review aims to summarize recent progress on the study of natural phenolic compounds in ameliorating CRC using in vivo models. This review followed the guidelines of the Preferred Reporting Items for Systematic Reporting and Meta-Analysis. Information on the relevant topic was gathered by searching the PubMed, Scopus, ScienceDirect, and Web of Science databases using keywords, such as "colorectal cancer" AND "phenolic compounds", "colorectal cancer" AND "polyphenol", "colorectal cancer" AND "phenolic acids", "colorectal cancer" AND "flavonoids", "colorectal cancer" AND "stilbene", and "colorectal cancer" AND "lignan" from the reputed peer-reviewed journals published over the last 20 years. Publications that incorporated in vivo experimental designs and produced statistically significant results were considered for this review. Many of these polyphenols demonstrate anti-CRC activities by inhibiting key cellular factors. This inhibition has been demonstrated by antiapoptotic effects, antiproliferative effects, or by upregulating factors responsible for cell cycle arrest or cell death in various in vivo CRC models. Numerous studies from independent laboratories have highlighted different plant phenolic compounds for their anti-CRC activities. While promising anti-CRC activity in many of these agents has created interest in this area, in-depth mechanistic and well-designed clinical studies are needed to support the therapeutic use of these compounds for the prevention and treatment of CRC.
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Affiliation(s)
- Samhita De
- Division of Molecular Medicine, Bose Institute, Kolkata 700 054, India
| | - Sourav Paul
- Department of Biotechnology, National Institute of Technology, Durgapur 713 209, India
| | - Anirban Manna
- Division of Molecular Medicine, Bose Institute, Kolkata 700 054, India
| | | | - Koustav Pal
- Jawaharlal Institute Post Graduate Medical Education and Research, Puducherry 605 006, India
| | - Nicolette Casarcia
- College of Osteopathic Medicine, Lake Erie College of Osteopathic Medicine, Bradenton, FL 34211, USA
| | - Arijit Mondal
- Department of Pharmaceutical Chemistry, M.R. College of Pharmaceutical Sciences and Research, Balisha 743 234, India
| | - Sabyasachi Banerjee
- Department of Pharmaceutical Chemistry, Gupta College of Technological Sciences, Asansol 713 301, India
| | - Vinod Kumar Nelson
- Department of Pharmacology, Raghavendra Institute of Pharmaceutical Education and Research, Anantapur 515 721, India
| | - Suvranil Ghosh
- Division of Molecular Medicine, Bose Institute, Kolkata 700 054, India
| | - Joyita Hazra
- Department of Biotechnology, Indian Institute of Technology, Chennai 600 036, India
| | - Ashish Bhattacharjee
- Department of Biotechnology, National Institute of Technology, Durgapur 713 209, India
| | | | - Mahadeb Pal
- Division of Molecular Medicine, Bose Institute, Kolkata 700 054, India
- Correspondence: or (M.P.); or (A.B.)
| | - Anupam Bishayee
- College of Osteopathic Medicine, Lake Erie College of Osteopathic Medicine, Bradenton, FL 34211, USA
- Correspondence: or (M.P.); or (A.B.)
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16
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Yehia L, Heald B, Eng C. Clinical Spectrum and Science Behind the Hamartomatous Polyposis Syndromes. Gastroenterology 2023; 164:800-811. [PMID: 36717037 DOI: 10.1053/j.gastro.2023.01.026] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 09/21/2022] [Revised: 01/21/2023] [Accepted: 01/23/2023] [Indexed: 02/01/2023]
Abstract
The hamartomatous polyposis syndromes are a set of clinically distinct disorders characterized by the occurrence of hamartomatous polyps in the gastrointestinal tract. These syndromes include juvenile polyposis syndrome, Peutz-Jeghers syndrome, and PTEN hamartoma tumor syndrome. Although each of the syndromes has distinct phenotypes, the hamartomatous polyps can be challenging to differentiate histologically. Additionally, each of these syndromes is associated with increased lifetime risks of gene-specific and organ-specific cancers, including those outside of the gastrointestinal tract. Germline pathogenic variants can be identified in a subset of individuals with these syndromes, which facilitates molecular diagnosis and subsequent gene-enabled management in the setting of genetic counseling. Although the malignant potential of hamartomatous polyps remains elusive, timely recognition of these syndromes is important and enables presymptomatic cancer surveillance and management before symptom exacerbation. Presently, there are no standard agents to prevent the development of polyps and cancers in the hamartomatous polyposis syndromes.
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Affiliation(s)
- Lamis Yehia
- Genomic Medicine Institute, Lerner Research Institute, Cleveland Clinic, Cleveland, Ohio
| | | | - Charis Eng
- Genomic Medicine Institute, Lerner Research Institute, Cleveland Clinic, Cleveland, Ohio; Center for Personalized Genetic Healthcare, Community Care, Cleveland Clinic, Cleveland, Ohio; Taussig Cancer Institute, Cleveland Clinic, Cleveland, Ohio; Department of Genetics and Genome Sciences, Case Western Reserve University School of Medicine, Cleveland, Ohio; Germline High Risk Cancer Focus Group, Case Comprehensive Cancer Center, Case Western Reserve University, Cleveland, Ohio.
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17
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Genetic Predisposition to Colorectal Cancer: How Many and Which Genes to Test? Int J Mol Sci 2023; 24:ijms24032137. [PMID: 36768460 PMCID: PMC9916931 DOI: 10.3390/ijms24032137] [Citation(s) in RCA: 10] [Impact Index Per Article: 10.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 12/31/2022] [Revised: 01/11/2023] [Accepted: 01/16/2023] [Indexed: 01/25/2023] Open
Abstract
Colorectal cancer is one of the most common tumors, and genetic predisposition is one of the key risk factors in the development of this malignancy. Lynch syndrome and familial adenomatous polyposis are the best-known genetic diseases associated with hereditary colorectal cancer. However, some other genetic disorders confer an increased risk of colorectal cancer, such as Li-Fraumeni syndrome (TP53 gene), MUTYH-associated polyposis (MUTYH gene), Peutz-Jeghers syndrome (STK11 gene), Cowden syndrome (PTEN gene), and juvenile polyposis syndrome (BMPR1A and SMAD4 genes). Moreover, the recent advances in molecular techniques, in particular Next-Generation Sequencing, have led to the identification of many new genes involved in the predisposition to colorectal cancers, such as RPS20, POLE, POLD1, AXIN2, NTHL1, MSH3, RNF43 and GREM1. In this review, we summarized the past and more recent findings in the field of cancer predisposition genes, with insights into the role of the encoded proteins and into the associated genetic disorders. Furthermore, we discussed the possible clinical utility of genetic testing in terms of prevention protocols and therapeutic approaches.
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18
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Liu Y, Wang Z, Zhang Z, Sun Y, Zhang Y, Yang J. A case report of adult juvenile polyposis syndrome with SMAD4 pathogenic variant. Front Oncol 2023; 13:1114097. [PMID: 36950548 PMCID: PMC10025567 DOI: 10.3389/fonc.2023.1114097] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 12/02/2022] [Accepted: 02/17/2023] [Indexed: 03/08/2023] Open
Abstract
Background Juvenile polyposis syndrome (JPS) is a rare autosomal dominant disorder that is a type of hamartomatous polyp syndrome, and its incidence rate is approximately 1/100000. The main clinical feature is the presence of multiple juvenile polyps in the gastrointestinal tract, most often in the colorectal tract. We present a case of juvenile polyposis syndrome with massive gastric polyposis. Case presentation A 50-year-old male was admitted to the hospital due to abdominal distension and poor appetite. Gastroscopy revealed a large number of gastric polyps. Pathological findings revealed gastric juvenile polyps. Genetic testing revealed that he and his brother both carried SMAD4: c.266_269del germline pathogenic variant. The final diagnosis was juvenile polyposis syndrome of the stomach. He once suffered from colon cancer and bladder cancer. One of his brothers died of colon cancer, and the other brother suffered from colon polyps. Conclusions Gastric involvement in juvenile polyposis syndrome is relatively rare. When massive gastric polyposis is found, gene detection should be carried out as soon as possible, so that rapid diagnosis and treatment can be obtained.
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19
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Can a Solitary Juvenile Polyp Be Regarded as a Nonmalignant Polyp? ACG Case Rep J 2022; 9:e00936. [PMID: 36600791 PMCID: PMC9794349 DOI: 10.14309/crj.0000000000000936] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 06/25/2022] [Accepted: 11/14/2022] [Indexed: 12/24/2022] Open
Abstract
Juvenile polyps (JPs) are common, developing mostly as solitary, hamartomatous lesions in the colorectum, and principally affect pediatric patients. Solitary JPs are recognized as benign, with a negligible malignant transformation rate. Primary signet ring cell carcinoma is a rare type of colorectal cancer (0.1%-2.6%) that presents mostly at an advanced stage in younger patients and affects the right-sided colon, with extensive lymphatic invasion and peritoneal dissemination, resulting in a poorer prognosis compared with conventional colorectal cancer. We report a rare case of signet ring cell carcinoma in a solitary JP treated with endoscopic mucosal resection.
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20
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Vrakas S, Ignatova S, Karapiperis G, Kartsoli S, Karapiperis D. A juvenile polyp on screening colonoscopy. Autops Case Rep 2022; 13:e2021414. [PMID: 36619260 PMCID: PMC9815884 DOI: 10.4322/acr.2021.414] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Key Words] [Track Full Text] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 11/11/2022] [Accepted: 11/28/2022] [Indexed: 01/10/2023]
Affiliation(s)
- Spyridon Vrakas
- Tzaneio General Hospital, Department of Gastroenterology, Athens, Greece
| | - Simone Ignatova
- University Hospital of Linkoping, Department of Pathology, Linkoping, Sweden
| | | | - Sofia Kartsoli
- Tzaneio General Hospital, Department of Gastroenterology, Athens, Greece
| | - Dimitrios Karapiperis
- Vrinnevi General Hospital of Norrkoping, Department of Gastroenterology, Norrkoping, Sweden
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21
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Strong Hereditary Predispositions to Colorectal Cancer. Genes (Basel) 2022; 13:genes13122326. [PMID: 36553592 PMCID: PMC9777620 DOI: 10.3390/genes13122326] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 10/18/2022] [Revised: 12/01/2022] [Accepted: 12/05/2022] [Indexed: 12/14/2022] Open
Abstract
Cancer is one of the most common causes of death worldwide. A strong predisposition to cancer is generally only observed in colorectal cancer (5% of cases) and breast cancer (2% of cases). Colorectal cancer is the most common cancer with a strong genetic predisposition, but it includes dozens of various syndromes. This group includes familial adenomatous polyposis, attenuated familial adenomatous polyposis, MUTYH-associated polyposis, NTHL1-associated polyposis, Peutz-Jeghers syndrome, juvenile polyposis syndrome, Cowden syndrome, Lynch syndrome, and Muir-Torre syndrome. The common symptom of all these diseases is a very high risk of colorectal cancer, but depending on the condition, their course is different in terms of age and range of cancer occurrence. The rate of cancer development is determined by its conditioning genes, too. Hereditary predispositions to cancer of the intestine are a group of symptoms of heterogeneous diseases, and their proper diagnosis is crucial for the appropriate management of patients and their successful treatment. Mutations of specific genes cause strong colorectal cancer predispositions. Identifying mutations of predisposing genes will support proper diagnosis and application of appropriate screening programs to avoid malignant neoplasm.
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22
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Sulfated galactoglucan impedes xenografted lung cancer cell growth by blocking angiogenesis via binding BMPRs. Carbohydr Polym 2022; 289:119412. [DOI: 10.1016/j.carbpol.2022.119412] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 12/02/2021] [Revised: 02/28/2022] [Accepted: 03/22/2022] [Indexed: 11/20/2022]
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23
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Boland CR, Idos GE, Durno C, Giardiello FM, Anderson JC, Burke CA, Dominitz JA, Gross S, Gupta S, Jacobson BC, Patel SG, Shaukat A, Syngal S, Robertson DJ. Diagnosis and Management of Cancer Risk in the Gastrointestinal Hamartomatous Polyposis Syndromes: Recommendations From the US Multi-Society Task Force on Colorectal Cancer. Gastroenterology 2022; 162:2063-2085. [PMID: 35487791 DOI: 10.1053/j.gastro.2022.02.021] [Citation(s) in RCA: 30] [Impact Index Per Article: 15.0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Indexed: 02/06/2023]
Abstract
The gastrointestinal hamartomatous polyposis syndromes are rare, autosomal dominant disorders associated with an increased risk of benign and malignant intestinal and extraintestinal tumors. They include Peutz-Jeghers syndrome, juvenile polyposis syndrome, the PTEN hamartoma tumor syndrome (including Cowden's syndrome and Bannayan-Riley-Ruvalcaba syndrome), and hereditary mixed polyposis syndrome. Diagnoses are based on clinical criteria and, in some cases, confirmed by demonstrating the presence of a germline pathogenic variant. The best understood hamartomatous polyposis syndrome is Peutz-Jeghers syndrome, caused by germline pathogenic variants in the STK11 gene. The management is focused on prevention of bleeding and mechanical obstruction of the small bowel by polyps and surveillance of organs at increased risk for cancer. Juvenile polyposis syndrome is caused by a germline pathogenic variant in either the SMAD4 or BMPR1A genes, with differing clinical courses. Patients with SMAD4 pathogenic variants may have massive gastric polyposis, which can result in gastrointestinal bleeding and/or protein-losing gastropathy. Patients with SMAD4 mutations usually have the simultaneous occurrence of hereditary hemorrhagic telangiectasia (juvenile polyposis syndrome-hereditary hemorrhagic telangiectasia overlap syndrome) that can result in epistaxis, gastrointestinal bleeding from mucocutaneous telangiectasias, and arteriovenous malformations. Germline pathogenic variants in the PTEN gene cause overlapping clinical phenotypes (known as the PTEN hamartoma tumor syndromes), including Cowden's syndrome and related disorders that are associated with an increased risk of gastrointestinal and colonic polyposis, colon cancer, and other extraintestinal manifestations and cancers. Due to the relative rarity of the hamartomatous polyposis syndromes, recommendations for management are based on few studies. This U.S Multi-Society Task Force on Colorectal Cancer consensus statement summarizes the clinical features, assesses the current literature, and provides guidance for diagnosis, assessment, and management of patients with the hamartomatous polyposis syndromes, with a focus on endoscopic management.
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Affiliation(s)
- C Richard Boland
- Division of Gastroenterology, University of California-San Diego School of Medicine, San Diego, California
| | - Gregory E Idos
- Divisions of Gastroenterology and Clinical Cancer Genomics, Center for Precision Medicine, City of Hope National Medical Center, Duarte, California
| | - Carol Durno
- The Zane Cohen Centre for Digestive Diseases, Mount Sinai Hospital, Toronto, Ontario, Canada; Division of Gastroenterology, Hepatology and Nutrition, Hospital for Sick Children, University of Toronto, Toronto, Ontario, Canada
| | - Francis M Giardiello
- Division of Gastroenterology, Department of Medicine, The Johns Hopkins University School of Medicine, Baltimore, Maryland
| | - Joseph C Anderson
- Veterans Affairs Medical Center, White River Junction, Vermont; Geisel School of Medicine at Dartmouth, Hanover, New Hampshire; University of Connecticut, Farmington, Connecticut
| | - Carol A Burke
- Department of Gastroenterology, Hepatology and Nutrition, Cleveland Clinic, Cleveland, Ohio
| | - Jason A Dominitz
- Veterans Affairs Puget Sound Health Care System, Seattle, Washington; University of Washington School of Medicine, Seattle, Washington
| | - Seth Gross
- Division of Gastroenterology and Hepatology, New York University Langone Health, New York, New York
| | - Samir Gupta
- Veterans Affairs Medical Center, San Diego, California; University of California San Diego, La Jolla, California; Veterans Affairs San Diego Healthcare System, San Diego, California
| | - Brian C Jacobson
- Division of Gastroenterology, Massachusetts General Hospital, Boston, Massachusetts
| | - Swati G Patel
- University of Colorado School of Medicine, Rocky Mountain Regional Veterans Affairs Medical Center, Aurora, Colorado
| | - Aasma Shaukat
- Minneapolis Veterans Affairs Health Care System, Minneapolis, Minnesota; University of Minnesota, Minneapolis, Minnesota
| | - Sapna Syngal
- Brigham and Women's Hospital, Boston Massachusetts; Dana-Farber Cancer Institute, Boston Massachusetts; Harvard Medical School, Boston Massachusetts
| | - Douglas J Robertson
- Veterans Affairs Medical Center, White River Junction, Vermont; Geisel School of Medicine at Dartmouth, Hanover, New Hampshire
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24
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Boland CR, Idos GE, Durno C, Giardiello FM, Anderson JC, Burke CA, Dominitz JA, Gross S, Gupta S, Jacobson BC, Patel SG, Shaukat A, Syngal S, Robertson DJ. Diagnosis and management of cancer risk in the gastrointestinal hamartomatous polyposis syndromes: recommendations from the U.S. Multi-Society Task Force on Colorectal Cancer. Gastrointest Endosc 2022; 95:1025-1047. [PMID: 35487765 DOI: 10.1016/j.gie.2022.02.044] [Citation(s) in RCA: 4] [Impact Index Per Article: 2.0] [Reference Citation Analysis] [Abstract] [MESH Headings] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Indexed: 02/08/2023]
Abstract
The gastrointestinal hamartomatous polyposis syndromes are rare, autosomal dominant disorders associated with an increased risk of benign and malignant intestinal and extraintestinal tumors. They include Peutz-Jeghers syndrome, juvenile polyposis syndrome, the PTEN hamartoma tumor syndrome (including Cowden's syndrome and Bannayan-Riley-Ruvalcaba syndrome), and hereditary mixed polyposis syndrome. Diagnoses are based on clinical criteria and, in some cases, confirmed by demonstrating the presence of a germline pathogenic variant. The best understood hamartomatous polyposis syndrome is Peutz-Jeghers syndrome, caused by germline pathogenic variants in the STK11 gene. The management is focused on prevention of bleeding and mechanical obstruction of the small bowel by polyps and surveillance of organs at increased risk for cancer. Juvenile polyposis syndrome is caused by a germline pathogenic variant in either the SMAD4 or BMPR1A genes, with differing clinical courses. Patients with SMAD4 pathogenic variants may have massive gastric polyposis, which can result in gastrointestinal bleeding and/or protein-losing gastropathy. Patients with SMAD4 mutations usually have the simultaneous occurrence of hereditary hemorrhagic telangiectasia (juvenile polyposis syndrome-hereditary hemorrhagic telangiectasia overlap syndrome) that can result in epistaxis, gastrointestinal bleeding from mucocutaneous telangiectasias, and arteriovenous malformations. Germline pathogenic variants in the PTEN gene cause overlapping clinical phenotypes (known as the PTEN hamartoma tumor syndromes), including Cowden's syndrome and related disorders that are associated with an increased risk of gastrointestinal and colonic polyposis, colon cancer, and other extraintestinal manifestations and cancers. Due to the relative rarity of the hamartomatous polyposis syndromes, recommendations for management are based on few studies. This U.S. Multi-Society Task Force on Colorectal Cancer consensus statement summarizes the clinical features, assesses the current literature, and provides guidance for diagnosis, assessment, and management of patients with the hamartomatous polyposis syndromes, with a focus on endoscopic management.
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Affiliation(s)
- C Richard Boland
- Division of Gastroenterology, University of California-San Diego School of Medicine, San Diego, California.
| | - Gregory E Idos
- Divisions of Gastroenterology and Clinical Cancer Genomics, Center for Precision Medicine, City of Hope National Medical Center, Duarte, California
| | - Carol Durno
- The Zane Cohen Centre for Digestive Diseases, Mount Sinai Hospital, Toronto, Ontario, Canada; Division of Gastroenterology, Hepatology and Nutrition, Hospital for Sick Children, University of Toronto, Toronto, Ontario, Canada
| | - Francis M Giardiello
- Division of Gastroenterology, Department of Medicine, The Johns Hopkins University School of Medicine, Baltimore, Maryland
| | - Joseph C Anderson
- Veterans Affairs Medical Center, White River Junction, Vermont; Geisel School of Medicine at Dartmouth, Hanover, New Hampshire; University of Connecticut, Farmington, Connecticut
| | - Carol A Burke
- Department of Gastroenterology, Hepatology and Nutrition, Cleveland Clinic, Cleveland, Ohio
| | - Jason A Dominitz
- Veterans Affairs Puget Sound Health Care System, Seattle, Washington; University of Washington School of Medicine, Seattle, Washington
| | - Seth Gross
- Division of Gastroenterology and Hepatology, New York University Langone Health, New York, New York
| | - Samir Gupta
- Veterans Affairs Medical Center, San Diego, California; University of California San Diego, La Jolla, California; Veterans Affairs San Diego Healthcare System, San Diego, California
| | - Brian C Jacobson
- Division of Gastroenterology, Massachusetts General Hospital, Boston, Massachusetts
| | - Swati G Patel
- University of Colorado School of Medicine, Rocky Mountain Regional Veterans Affairs Medical Center, Aurora, Colorado
| | - Aasma Shaukat
- Minneapolis Veterans Affairs Health Care System, Minneapolis, Minnesota; University of Minnesota, Minneapolis, Minnesota
| | - Sapna Syngal
- Brigham and Women's Hospital, Boston Massachusetts; Dana-Farber Cancer Institute, Boston Massachusetts; Harvard Medical School, Boston Massachusetts
| | - Douglas J Robertson
- Veterans Affairs Medical Center, White River Junction, Vermont; Geisel School of Medicine at Dartmouth, Hanover, New Hampshire
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25
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Diagnosis and Management of Cancer Risk in the Gastrointestinal Hamartomatous Polyposis Syndromes: Recommendations From the US Multi-Society Task Force on Colorectal Cancer. Am J Gastroenterol 2022; 117:846-864. [PMID: 35471415 DOI: 10.14309/ajg.0000000000001755] [Citation(s) in RCA: 8] [Impact Index Per Article: 4.0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 03/23/2022] [Accepted: 03/24/2022] [Indexed: 12/11/2022]
Abstract
The gastrointestinal hamartomatous polyposis syndromes are rare, autosomal dominant disorders associated with an increased risk of benign and malignant intestinal and extraintestinal tumors. They include Peutz-Jeghers syndrome, juvenile polyposis syndrome, the PTEN hamartoma tumor syndrome (including Cowden's syndrome and Bannayan-Riley-Ruvalcaba syndrome), and hereditary mixed polyposis syndrome. Diagnoses are based on clinical criteria and, in some cases, confirmed by demonstrating the presence of a germline pathogenic variant. The best understood hamartomatous polyposis syndrome is Peutz-Jeghers syndrome, caused by germline pathogenic variants in the STK11 gene. The management is focused on prevention of bleeding and mechanical obstruction of the small bowel by polyps and surveillance of organs at increased risk for cancer. Juvenile polyposis syndrome is caused by a germline pathogenic variant in either the SMAD4 or BMPR1A genes, with differing clinical courses. Patients with SMAD4 pathogenic variants may have massive gastric polyposis, which can result in gastrointestinal bleeding and/or protein-losing gastropathy. Patients with SMAD4 mutations usually have the simultaneous occurrence of hereditary hemorrhagic telangiectasia (juvenile polyposis syndrome-hereditary hemorrhagic telangiectasia overlap syndrome) that can result in epistaxis, gastrointestinal bleeding from mucocutaneous telangiectasias, and arteriovenous malformations. Germline pathogenic variants in the PTEN gene cause overlapping clinical phenotypes (known as the PTEN hamartoma tumor syndromes), including Cowden's syndrome and related disorders that are associated with an increased risk of gastrointestinal and colonic polyposis, colon cancer, and other extraintestinal manifestations and cancers. Due to the relative rarity of the hamartomatous polyposis syndromes, recommendations for management are based on few studies. This US Multi-Society Task Force on Colorectal Cancer consensus statement summarizes the clinical features, assesses the current literature, and provides guidance for diagnosis, assessment, and management of patients with the hamartomatous polyposis syndromes, with a focus on endoscopic management.
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Hampel H, Kalady MF, Pearlman R, Stanich PP. Hereditary Colorectal Cancer. Hematol Oncol Clin North Am 2022; 36:429-447. [DOI: 10.1016/j.hoc.2022.02.002] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/04/2022]
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Dal Buono A, Gaiani F, Poliani L, Laghi L. Juvenile polyposis syndrome: An overview. Best Pract Res Clin Gastroenterol 2022; 58-59:101799. [PMID: 35988962 DOI: 10.1016/j.bpg.2022.101799] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.5] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 12/12/2021] [Revised: 03/13/2022] [Accepted: 03/23/2022] [Indexed: 01/31/2023]
Abstract
Juvenile polyposis syndrome (JPS) is a rare precancerous condition that confers an increased risk of developing gastrointestinal cancers. The inheritance pattern is autosomal dominant. JPS should be clinically suspected when the other hamartomatous polyposis syndromes are excluded (i.e., Peutz- Jeghers and Cowden), in presence of numerous juvenile polyps in the colorectum or in other GI locations. Among the syndromic features, JPS can present with concomitant extra-intestinal manifestations, above all cutaneous manifestations such as telangiectasia, pigmented nevi, and skeletal stigmata. Pathogenic germline variants of either BMPR1A or SMAD4 cause the syndrome. In JPS a cumulative risk of CRC of 39-68% has been estimated. The oncological risk justifies and imposes prevention strategies that aim at the cancer risk reduction through endoscopic screening, as recommended by international scientific societies. The aim of this review is to summarize clinical and genetic features of JPS and to elucidate the steps of the clinical management from diagnosis to surveillance.
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Affiliation(s)
- Arianna Dal Buono
- Division of Gastroenterology, Department of Gastroenterology, Humanitas Research Hospital - IRCCs, Rozzano, Milan, Italy
| | - Federica Gaiani
- Department of Medicine and Surgery, University of Parma, Parma, Italy
| | - Laura Poliani
- Gastroenterology and Endoscopy, IRCCS Ospedale San Raffaele, Milan, Italy
| | - Luigi Laghi
- Department of Medicine and Surgery, University of Parma, Parma, Italy; Laboratory of Molecular Gastroenterology, Humanitas Clinical and Research Centre, Rozzano, Milan, Italy.
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Khongcharoen N, Laochareonsuk W, Choochuen P, Maneechay W, Sangkhathat S. Sequencing for novel mutation screening in juvenile polyposis syndrome. JOURNAL OF PEDIATRIC SURGERY CASE REPORTS 2022. [DOI: 10.1016/j.epsc.2022.102216] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 10/19/2022] Open
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Toss A, Quarello P, Mascarin M, Banna GL, Zecca M, Cinieri S, Peccatori FA, Ferrari A. Cancer Predisposition Genes in Adolescents and Young Adults (AYAs): a Review Paper from the Italian AYA Working Group. Curr Oncol Rep 2022; 24:843-860. [PMID: 35320498 PMCID: PMC9170630 DOI: 10.1007/s11912-022-01213-3] [Citation(s) in RCA: 3] [Impact Index Per Article: 1.5] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Accepted: 11/18/2021] [Indexed: 12/17/2022]
Abstract
PURPOSE OF REVIEW The present narrative systematic review summarizes current knowledge on germline gene mutations predisposing to solid tumors in adolescents and young adults (AYAs). RECENT FINDINGS AYAs with cancer represent a particular group of patients with specific challenging characteristics and yet unmet needs. A significant percentage of AYA patients carry pathogenic or likely pathogenic variants (PV/LPVs) in cancer predisposition genes. Nevertheless, knowledge on spectrum, frequency, and clinical implications of germline variants in AYAs with solid tumors is limited. The identification of PV/LPV in AYA is especially critical given the need for appropriate communicative strategies, risk of second primary cancers, need for personalized long-term surveillance, potential reproductive implications, and cascade testing of at-risk family members. Moreover, these gene alterations may potentially provide novel biomarkers and therapeutic targets that are lacking in AYA patients. Among young adults with early-onset phenotypes of malignancies typically presenting at later ages, the increased prevalence of germline PV/LPVs supports a role for genetic counseling and testing irrespective of tumor type.
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Affiliation(s)
- Angela Toss
- Department of Oncology and Hematology, Azienda Ospedaliero-Universitaria di Modena, Modena, Italy
- Department of Medical and Surgical Sciences for Children and Adults, University of Modena and Reggio Emilia, Modena, Italy
| | - Paola Quarello
- Paediatric Onco-Haematology, Stem Cell Transplantation and Cellular Therapy Division, Regina Margherita Children's Hospital, Turin, Italy
- Department of Public Health and Paediatric Sciences, University of Torino, Turin, Italy
| | - Maurizio Mascarin
- AYA Oncology and Pediatric Radiotherapy Unit, Centro di Riferimento Oncologico IRCCS, Aviano, Italy
| | - Giuseppe Luigi Banna
- Candiolo Cancer Institute, FPO-IRCCS, SP142, km 3.95, 10060, Candiolo, Turin, Italy.
| | - Marco Zecca
- Department of Pediatric Hematology/Oncology, Fondazione IRCCS Policlinico San Matteo, Pavia, Italy
| | - Saverio Cinieri
- Medical Oncology Unit and Breast Unit Ospedale Perrino ASL, Brindisi, Italy
| | - Fedro Alessandro Peccatori
- Fertility and Procreation Unit, Gynecologic Oncology Program, European Institute of Oncology IRCCS, Milan, Italy
| | - Andrea Ferrari
- Pediatric Oncology Unit, Fondazione IRCCS Istituto Nazionale dei Tumori, Via Venezian 1, 20133, Milan, Italy
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Cunningham LA, Gasior A, Kalady MF. Management of Colorectal Cancer in Hereditary Syndromes. Surg Oncol Clin N Am 2022; 31:307-319. [DOI: 10.1016/j.soc.2021.11.010] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 10/18/2022]
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Dong J, Ma TS, Xu YH, Li P, Chen WY, Tu JF, Chen YW. Characteristics and potential malignancy of colorectal juvenile polyps in adults: a single-center retrospective study in China. BMC Gastroenterol 2022; 22:75. [PMID: 35189824 PMCID: PMC8862221 DOI: 10.1186/s12876-022-02151-x] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 03/14/2021] [Accepted: 02/11/2022] [Indexed: 11/10/2022] Open
Abstract
BACKGROUND Colorectal juvenile polyps are rare and generally considered benign in adults. Carcinogenesis or neoplastic changes are rarely mentioned in the literature. We systematically evaluated the characteristics and potential malignancy of colorectal juvenile polyps in adults. METHODS We retrospectively reviewed the medical records of 103 adults diagnosed with colorectal juvenile polyps from September 2007 to May 2020 at our hospital. The characteristics, endoscopic findings, occurrence of intraepithelial neoplasia, carcinogenesis and diagnostic value of chicken skin mucosa (CSM) were analyzed. RESULTS The average age of patients with juvenile polyps was 43.2 years (range, 19 to 78 years). A total of 101 patients (101/103, 98.1%) had a single juvenile polyp, and two patients had multiple polyps (107 polyps in total). Polyp sizes ranged from 0.5 to 5 cm. One (1/107, 0.9%) juvenile polyp was cancerous, and 7 (7/107, 6.5%) developed low-grade intraepithelial neoplasia. Neoplasia and cancerization did not appear in the two patients with multiple polyps. A 27-year-old female had a 2-cm polyp with well-differentiated adenocarcinoma in the mucosa in the sigmoid colon with erosion on the surface. CSM was observed adjacent to 17 polyps, which were all located in the rectum and sigmoid colon, and one polyp showed low-grade intraepithelial neoplasia. CONCLUSIONS Colorectal juvenile polyps occur in a wide range of locations and in variable sizes and numbers. These polyps are solitary in most patients and have neoplastic potential. CSM is not a tumorigenic marker in colorectal juvenile polyps and usually occurs in the distant colorectum. Colorectal juvenile polyps in adults may progress from low-grade intraepithelial neoplasia to high-grade intraepithelial neoplasia and then to carcinoma and should be treated when discovered and regularly followed as colorectal adenomas.
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Affiliation(s)
- Jie Dong
- Cancer Center, Department of Gastroenterology, Zhejiang Provincial People's Hospital (Affiliated People's Hospital, Hangzhou Medical College), No. 158, Shangtang Road, Hangzhou, 310014, Zhejiang Province, China
| | - Tian-Shi Ma
- Cancer Center, Department of Pathology, Zhejiang Provincial People's Hospital (Affiliated People's Hospital, Hangzhou Medical College), No.158, Shangtang Road, Hangzhou, 310014, Zhejiang Province, China
| | - Yuan-Hong Xu
- Department of Gastroenterology, The Fifth Affiliated Hospital of Zunyi Medical University, Zhuhai, 519000, Guangdong Province, China
| | - Peng Li
- Cancer Center, Department of Gastroenterology, Zhejiang Provincial People's Hospital (Affiliated People's Hospital, Hangzhou Medical College), No. 158, Shangtang Road, Hangzhou, 310014, Zhejiang Province, China
| | - Wan-Yuan Chen
- Cancer Center, Department of Pathology, Zhejiang Provincial People's Hospital (Affiliated People's Hospital, Hangzhou Medical College), No.158, Shangtang Road, Hangzhou, 310014, Zhejiang Province, China
| | - Jiang-Feng Tu
- Cancer Center, Department of Gastroenterology, Zhejiang Provincial People's Hospital (Affiliated People's Hospital, Hangzhou Medical College), No. 158, Shangtang Road, Hangzhou, 310014, Zhejiang Province, China
| | - You-Wei Chen
- Cancer Center, Department of Gastroenterology, Zhejiang Provincial People's Hospital (Affiliated People's Hospital, Hangzhou Medical College), No. 158, Shangtang Road, Hangzhou, 310014, Zhejiang Province, China.
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Abstract
Most patients with colorectal cancer (CRC) were diagnosed in advanced stage and the prognosis is poor. Therefore, early detection and prevention of CRC are very important. As with other cancers, there is also the tertiary prevention for CRC. The primary prevention is etiological prevention, which is mainly the treatment of adenoma or inflammation for preventing the development into cancer. The secondary prevention is the early diagnosis and early treatment for avoiding progressing to advanced cancer. The tertiary prevention belongs to the broad category of prevention, mainly for advanced CRC, through surgical treatment and postoperative adjuvant chemotherapy, radiotherapy, targeted therapy, immunotherapy for preventing tumor recurrence or metastasis. This consensus is based on the recent domestic and international consensus guidelines and the latest progress of international researches in the past five years. This consensus opinion seminar was hosted by the Chinese Society of Gastroenterology and Cancer Collaboration Group of Chinese Society of Gastroenterology, and was organized by the Division of Gastroenterology and Hepatology & Shanghai Institute of Digestive Disease, Renji Hospital, School of Medicine, Shanghai Jiao Tong University. The consensus opinion contains 60 statement clauses, the standard and basis of the evidence-based medicine grade and voting grade of the statement strictly complied with the relevant international regulations and practice.
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Katz LH, Gingold-Belfer R, Vainer E, Hegger S, Laish I, Derazne E, Weintraub I, Reznick-Levi G, Goldberg Y, Levi Z, Cohen S, Half EE. Phenotypic diversity among juvenile polyposis syndrome patients from different ethnic background. Hered Cancer Clin Pract 2022; 20:2. [PMID: 35057835 PMCID: PMC8772101 DOI: 10.1186/s13053-021-00207-9] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 09/17/2021] [Accepted: 12/07/2021] [Indexed: 11/29/2022] Open
Abstract
Abstract Juvenile polyposis syndrome (JPS), has diverse phenotypes. Aim: To assess mutation rate, clinical features and genotype-phenotype correlation among Israeli JPS kindreds from different ethnicities. Methods Patients’ data were extracted retrospectively from 5 centers. Results Thirty five kindreds (49 patients) were included. Thirty one (89%) Jewish [10 (32%) Ashkenazi; 9 (29%) Sephardi; 11 (35%) non-Russia former Soviet-Union countries (NRFSU), one (3%) unknown]. 40/49 individuals from 27 families underwent genetic testing. Among them 34, from 21 families (85, 78%, respectively) had a pathogenic mutation: BMPR1A n = 15 (71%), SMAD4 n = 6 families (29%). While no SMAD4 mutation was described among Jewish families from NRFSU, 7 NRFSU families carried a founder mutation comprising a large genomic deletion of BMPR1A. GI involvement was reported in 42 patients (86%): colonic polyps (n = 40, 95%, > 50 polyps n = 14, 35%) and 12 underwent colonic resection. Fourteen patients (34%) had gastric or small bowel involvement (n = 5) and 4\14 underwent gastrectomy due to polyp burden. Families from NRFSU had more gastric involvement (66.7% vs. 22.2%- Sephardic and 20%- Ashkenazi Jews; p = 0.038), with more gastric polyps (p = 0.017). Conclusions We demonstrated a high rate of mutation detection in the heterogeneous population of Israel. Patients from NRFSU with BMPR1A mutation had high rate of gastric involvement.
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Juvenile polyposis diagnosed with an integrated histological, immunohistochemical and molecular approach identifying new SMAD4 pathogenic variants. Fam Cancer 2022; 21:441-451. [PMID: 35075588 PMCID: PMC9636285 DOI: 10.1007/s10689-022-00289-x] [Citation(s) in RCA: 2] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 07/26/2021] [Accepted: 01/12/2022] [Indexed: 01/07/2023]
Abstract
Juvenile polyposis (JP) is a rare familial syndrome characterized by the development of numerous hamartomatous polyps of the gastrointestinal tract and by an increased risk of developing gastrointestinal cancers. It follows a pattern of autosomal dominant inheritance and is associated with germline variants of SMAD4 or BMPR1A genes. Differential diagnosis may be difficult based on histology alone, due to morphological similarities to other familial syndromes. Here we report a case of familial JP diagnosed in a 50-years woman with a familial history positive for gastrointestinal cancers and other tumor types. The patient presented with severe iron deficiency anemia and showed numerous polyps in the stomach and jejunum according to endoscopy and imaging. She underwent an intra-gastric laparoscopic removal of the major gastric polyp, followed by jejunal exploration and resection of a segment with multiple neoformations. Histological examination revealed the presence of hamartomatous polyposis. Gastric and intestinal samples were analyzed with next-generation sequencing. Molecular analysis showed that the patient harbored a germline splicing site variant of SMAD4, c.1139 + 3A > G, which was complemented by different somatic variants of the same gene in the different polyps. Immunohistochemistry for SMAD4 confirmed loss of protein expression in the polyps, with regular expression in normal cells. cDNA sequencing further confirmed the findings. We thus definitively diagnosed the woman as having JP thanks to an integrated approach based on histology, immunohistochemistry and molecular analysis. The identified variants, all previously reported as variants of unknown significance, were classified as pathogenic as they complemented each other leading to SMAD4 loss.
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Jelsig AM, Karstensen JG, Jespersen N, Ketabi Z, Lautrup C, Rønlund K, Sunde L, Wadt K, Thorlacius-Ussing O, Qvist N. Danish guidelines for management of non-APC-associated hereditary polyposis syndromes. Hered Cancer Clin Pract 2021; 19:41. [PMID: 34620187 PMCID: PMC8499431 DOI: 10.1186/s13053-021-00197-8] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.3] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 06/02/2021] [Accepted: 09/14/2021] [Indexed: 02/06/2023] Open
Abstract
Hereditary Polyposis Syndromes are a group of rare, inherited syndromes characterized by the presence of histopathologically specific or numerous intestinal polyps and an increased risk of cancer. Some polyposis syndromes have been known for decades, but the development in genetic technologies has allowed the identification of new syndromes.. The diagnosis entails surveillance from an early age, but universal guideline on how to manage and surveille these new syndromes are lacking. This paper represents a condensed version of the recent guideline (2020) from a working group appointed by the Danish Society of Medical Genetics and the Danish Society of Surgery on recommendations for the surveillance of patients with hereditary polyposis syndromes, including rare polyposis syndromes.
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Affiliation(s)
- Anne Marie Jelsig
- Department of Clinical Genetics, University Hospital of Copenhagen, Rigshospitalet, Copenhagen, Denmark.
| | - John Gásdal Karstensen
- Danish Polyposis Registry, Gastrounit, Hvidovre Hospital, Hvidovre, Denmark.,Department of Clinical Medicine, University of Copenhagen, Copenhagen, Denmark
| | - Niels Jespersen
- Danish Polyposis Registry, Gastrounit, Hvidovre Hospital, Hvidovre, Denmark
| | - Zohreh Ketabi
- Department of Gynecology and Obstetrics, University Hospital of Copenhagen, Rigshospitalet, Copenhagen, Denmark
| | - Charlotte Lautrup
- Department of Clinical Genetics, Aalborg University Hospital, Aalborg, Denmark
| | - Karina Rønlund
- Department of Clinical Genetics, University Hospital of Southern Denmark, Vejle Hospital, Vejle, Denmark
| | - Lone Sunde
- Department of Clinical Genetics, Aalborg University Hospital, Aalborg, Denmark
| | - Karin Wadt
- Department of Clinical Genetics, University Hospital of Copenhagen, Rigshospitalet, Copenhagen, Denmark
| | - Ole Thorlacius-Ussing
- Department of Gastrointestinal Surgery, Aalborg University Hospital, Aalborg, Denmark.,Department of Clinical Medicine, Aalborg University, Aalborg, Denmark
| | - Niels Qvist
- Research Unit for Surgery, Odense University Hospital, Odense, Denmark.,University of Southern Denmark, Odense, Denmark
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Abstract
Juvenile polyposis syndrome (JPS) is a rare disease with an autosomal dominant inheritance pattern characterized by the development of multiple hamartomatous polyps in the gastrointestinal tract. The most frequent signs and symptoms are recurrent abdominal pain, rectal bleeding, anemia, and iron deficiency. The treatment of JPS is symptomatic, requiring serial endoscopic polypectomies or intestinal resections in the most severe cases. We describe the clinical case of a patient with JPS with a childhood juvenile polyposis phenotype because of a mutation on the SMAD4 gene, who received treatment with sirolimus successfully.
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Liu S, Ma Y, You W, Li J, Li JN, Qian JM. Hamartomatous polyposis syndrome associated malignancies: Risk, pathogenesis and endoscopic surveillance. J Dig Dis 2021; 22:444-451. [PMID: 34145757 DOI: 10.1111/1751-2980.13029] [Citation(s) in RCA: 2] [Impact Index Per Article: 0.7] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 03/19/2021] [Revised: 05/20/2021] [Accepted: 06/16/2021] [Indexed: 12/11/2022]
Abstract
Hamartomatous polyposis syndromes (HPS) are a heterogeneous spectrum of diseases that are characterized by diffuse hamartomatous polyps lining the gastrointestinal (GI) tract together with extra-GI manifestations. Classical HPS includes juvenile polyposis syndrome, Peutz-Jeghers syndrome, PTEN hamartoma tumor syndrome and hereditary mixed polyposis syndrome. Patients with HPS have a higher risk of GI and extra-GI malignancies than the general population, although the underlying mechanisms remain unclear and are obviously different from the carcinogenesis of classical adenocarcinoma and colitis-associated malignancy. In this review we aimed to clarify the risks, possible mechanism and endoscopic surveillance of HPS-associated GI malignancies.
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Affiliation(s)
- Shuang Liu
- Department of Gastroenterology, Peking Union Medical College Hospital, Chinese Academy of Medical Sciences, Beijing, China
| | - Ye Ma
- Department of Gastroenterology, Peking Union Medical College Hospital, Chinese Academy of Medical Sciences, Beijing, China
| | - Wen You
- Department of Gastroenterology, Peking Union Medical College Hospital, Chinese Academy of Medical Sciences, Beijing, China
| | - Ji Li
- Department of Gastroenterology, Peking Union Medical College Hospital, Chinese Academy of Medical Sciences, Beijing, China
| | - Jing Nan Li
- Department of Gastroenterology, Peking Union Medical College Hospital, Chinese Academy of Medical Sciences, Beijing, China
| | - Jia Ming Qian
- Department of Gastroenterology, Peking Union Medical College Hospital, Chinese Academy of Medical Sciences, Beijing, China
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Abstract
Approximately 10% of patients with gastric cancer show familial aggregation and up to 3% are related to an inherited cancer syndrome. There are multiple germline pathogenic variants and cancer syndromes associated with an increased risk of gastric cancer. Appropriate assessment of familial and genetic risk may allow a personalized approach to gastric cancer prevention through screening and risk-reducing surgeries. The ability to better identify carriers with pathogenic genetic variants associated with gastric cancer before a diagnosis of cancer requires effective genetic risk assessment and testing, followed by optimal screening and surveillance recommendations to further reduce the morbidity and mortality.
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Sakurai Y, Kikuchi S, Shigeyasu K, Kakiuchi Y, Tanaka T, Umeda H, Sakamoto M, Takeda S, Yano S, Futagawa M, Kato F, Sogawa R, Yamamoto H, Kuroda S, Kondo Y, Teraishi F, Kishimoto H, Nishizaki M, Kagawa S, Hirasawa A, Fujiwara T. SMAD4 Germline Pathogenic Variant-Related Gastric Juvenile Polyposis with Adenocarcinoma Treated with Laparoscopic Total Gastrectomy: A Case Report. AMERICAN JOURNAL OF CASE REPORTS 2021; 22:e932241. [PMID: 34143765 PMCID: PMC8218883 DOI: 10.12659/ajcr.932241] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/09/2022]
Abstract
BACKGROUND Juvenile polyposis syndrome is an uncommon, autosomal-dominant hereditary disease that is distinguished by multiple polyps in the stomach or intestinal tract. It is associated with a high risk of malignancy. Pathogenic variants in SMAD4 or BMPR1A account for 40% of all cases. CASE REPORT A 49-year-old woman underwent esophagogastroduodenoscopy because of exacerbation of anemia. She had numerous erythematous polyps in most parts of her stomach. Based on biopsy findings, juvenile polyposis syndrome (JPS) was suspected morphologically, but there was no evidence of malignancy. Colonoscopy showed stemmed hyperplastic polyps and an adenoma; video capsule endoscopy revealed no lesions in the small intestine. After preoperative surveillance, laparoscopic total gastrectomy with D1 lymph node dissection was performed to prevent malignant transformation. The pathological diagnosis was juvenile polyp-like polyposis with adenocarcinoma. In addition, a germline pathogenic variant in the SMAD4 gene was detected with genetic testing. CONCLUSIONS JPS can be diagnosed with endoscopy and genetic testing. Further, appropriate surgical management may prevent cancer-related death in patients with this condition.
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Affiliation(s)
- Yuya Sakurai
- Department of Gastroenterological Surgery, Okayama University Graduate School of Medicine, Dentistry, and Pharmaceutical Sciences, Okayama, Japan.,Department of Surgery, Fukuyama Medical Center, Hiroshima, Japan
| | - Satoru Kikuchi
- Department of Gastroenterological Surgery, Okayama University Graduate School of Medicine, Dentistry, and Pharmaceutical Sciences, Okayama, Japan
| | - Kunitoshi Shigeyasu
- Department of Gastroenterological Surgery, Okayama University Graduate School of Medicine, Dentistry, and Pharmaceutical Sciences, Okayama, Japan
| | - Yoshihiko Kakiuchi
- Department of Gastroenterological Surgery, Okayama University Graduate School of Medicine, Dentistry, and Pharmaceutical Sciences, Okayama, Japan
| | - Takehiro Tanaka
- Department of Pathology, Okayama University Graduate School of Medicine, Dentistry, and Pharmaceutical Sciences, Okayama, Japan
| | - Hibiki Umeda
- Department of Gastroenterological Surgery, Okayama University Graduate School of Medicine, Dentistry, and Pharmaceutical Sciences, Okayama, Japan
| | - Masaki Sakamoto
- Department of Gastroenterological Surgery, Okayama University Graduate School of Medicine, Dentistry, and Pharmaceutical Sciences, Okayama, Japan
| | - Sho Takeda
- Department of Gastroenterological Surgery, Okayama University Graduate School of Medicine, Dentistry, and Pharmaceutical Sciences, Okayama, Japan
| | - Shuya Yano
- Department of Gastroenterological Surgery, Okayama University Graduate School of Medicine, Dentistry, and Pharmaceutical Sciences, Okayama, Japan
| | - Mashu Futagawa
- Department of Clinical Genetics and Genomic Medicine, Okayama University Graduate School of Medicine, Dentistry, and Pharmaceutical Sciences, Okayama, Japan
| | - Fumino Kato
- Department of Clinical Genetics and Genomic Medicine, Okayama University Graduate School of Medicine, Dentistry, and Pharmaceutical Sciences, Okayama, Japan
| | - Reimi Sogawa
- Department of Clinical Genetics and Genomic Medicine, Okayama University Graduate School of Medicine, Dentistry, and Pharmaceutical Sciences, Okayama, Japan
| | - Hideki Yamamoto
- Department of Clinical Genetics and Genomic Medicine, Okayama University Graduate School of Medicine, Dentistry, and Pharmaceutical Sciences, Okayama, Japan
| | - Shinji Kuroda
- Department of Gastroenterological Surgery, Okayama University Graduate School of Medicine, Dentistry, and Pharmaceutical Sciences, Okayama, Japan
| | - Yoshitaka Kondo
- Department of Gastroenterological Surgery, Okayama University Graduate School of Medicine, Dentistry, and Pharmaceutical Sciences, Okayama, Japan
| | - Fuminori Teraishi
- Department of Gastroenterological Surgery, Okayama University Graduate School of Medicine, Dentistry, and Pharmaceutical Sciences, Okayama, Japan
| | - Hiroyuki Kishimoto
- Department of Gastroenterological Surgery, Okayama University Graduate School of Medicine, Dentistry, and Pharmaceutical Sciences, Okayama, Japan
| | - Masahiko Nishizaki
- Department of Gastroenterological Surgery, Okayama University Graduate School of Medicine, Dentistry, and Pharmaceutical Sciences, Okayama, Japan
| | - Shunsuke Kagawa
- Department of Gastroenterological Surgery, Okayama University Graduate School of Medicine, Dentistry, and Pharmaceutical Sciences, Okayama, Japan
| | - Akira Hirasawa
- Department of Clinical Genetics and Genomic Medicine, Okayama University Graduate School of Medicine, Dentistry, and Pharmaceutical Sciences, Okayama, Japan
| | - Toshiyoshi Fujiwara
- Department of Gastroenterological Surgery, Okayama University Graduate School of Medicine, Dentistry, and Pharmaceutical Sciences, Okayama, Japan
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Shen N, Wang X, Lu Y, Xiao F, Xiao J. Importance of early detection of juvenile polyposis syndrome: A case report and literature review. Medicine (Baltimore) 2020; 99:e23494. [PMID: 33327285 PMCID: PMC7738017 DOI: 10.1097/md.0000000000023494] [Citation(s) in RCA: 2] [Impact Index Per Article: 0.5] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Indexed: 11/25/2022] Open
Abstract
RATIONALE Juvenile polyposis syndrome (JPS) is a rare genetic gastrointestinal disorder with hidden and variable clinical features. Early detection is crucial for good prognosis. PATIENT CONCERNS A 20-year-old female went to hospital for fever, and was unexpectedly diagnosed as JPS during treatment. She reported no clinical signs or family history of JPS. DIAGNOSIS Blood routine examination on hospital admission suggested a moderate anemia. Bone marrow cytology and leukemia fusion gene test were performed to rule out leukemia. Other examinations including ultrasound and computed tomography were also conducted for differential diagnosis. Further electronic colonoscopy identified more than 20 pedicle polyps located at her ileocecum and rectum. Mutation analysis detected a novel de novo pathogenic variant, c.910C>T (p.Gln304Ter) within bone morphogenetic protein receptor type 1A gene, establishing the diagnosis of JPS. INTERVENTIONS The patient was treated with endoscopic interventions. We also provided a genetic counseling for this family. OUTCOMES The patient's polyps were removed, some of which already had adenomatous changes. The patient received surveillance of hereditary colorectal cancer according to guidelines. LESSONS Variable features and lack of family history probably lead to a great underestimation of potential JPS population. It is recommended to perform genetic testing by a multigene panel in individuals who have suspected symptoms of polyposis.
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Affiliation(s)
- Na Shen
- Department of Laboratory Medicine
| | | | | | | | - Juan Xiao
- Department of Obstetrics and Gynecology, Tongji Hospital, Tongji Medical College, Huazhong University of Science and Technology, Wuhan, China
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MacFarland SP, Ebrahimzadeh JE, Zelley K, Begum L, Bass LM, Brand RE, Dudley B, Fishman DS, Ganzak A, Karloski E, Latham A, Llor X, Plon S, Riordan MK, Scollon SR, Stadler ZK, Syngal S, Ukaegbu C, Weiss JM, Yurgelun MB, Brodeur GM, Mamula P, Katona BW. Phenotypic Differences in Juvenile Polyposis Syndrome With or Without a Disease-causing SMAD4/BMPR1A Variant. Cancer Prev Res (Phila) 2020; 14:215-222. [DOI: 10.1158/1940-6207.capr-20-0348] [Citation(s) in RCA: 10] [Impact Index Per Article: 2.5] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 07/02/2020] [Revised: 08/27/2020] [Accepted: 10/13/2020] [Indexed: 11/16/2022]
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Aagaard KS, Brusgaard K, Miceikaite I, Larsen MJ, Kjeldsen AD, Lester EB, Ousager LB, Tørring PM. Chromosomal translocation disrupting the SMAD4 gene resulting in the combined phenotype of Juvenile polyposis syndrome and Hereditary Hemorrhagic Telangiectasia. Mol Genet Genomic Med 2020; 8:e1498. [PMID: 33058509 PMCID: PMC7667351 DOI: 10.1002/mgg3.1498] [Citation(s) in RCA: 3] [Impact Index Per Article: 0.8] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 05/08/2020] [Revised: 08/05/2020] [Accepted: 08/21/2020] [Indexed: 01/13/2023] Open
Abstract
Background Patients with germline variants in SMAD4 can present symptoms of both juvenile polyposis syndrome (JPS) and Hereditary Hemorrhagic Telangiectasia (HHT): JP‐HHT syndrome. Next‐Generation Sequencing (NGS) techniques disclose causative sequence variants in around 90% of HHT patients fulfilling the Curaçao criteria. Here we report a translocation event involving SMAD4 resulting in JP‐HHT. Methods A patient fulfilling the Curaçao criteria was analyzed for variants in ENG, ACVRL1, and SMAD4 using standard techniques. Whole‐genome sequencing (WGS) using both short‐read NGS technology and long‐read Oxford Nanopore technology was performed to define the structural variant and exact breakpoints. Results No pathogenic variant was detected in ENG, ACVRL1, or SMAD4 in DNA extracted from blood. Due to abortus habitualis, the proband´s daughter was submitted for chromosomal analysis, and a cytogenetically balanced chromosomal reciprocal translocation t(1;18)(p36.1;q21.1) was detected in the daughter and the patient. The balanced translocation segregated with both gastrointestinal cancer and HHT in the family. WGS provided the exact breakpoints of the reciprocal translocation proving disruption of the SMAD4 gene. Discussion A disease‐causing reciprocal translocation between chromosome 1 and 18 with a breakpoint in the SMAD4 locus co‐segregated with JP‐HHT in an extended family. This observation warrants further analysis for chromosomal rearrangements in individuals with clinical HHT or JP‐HHT of unknown cause.
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Affiliation(s)
- Katrine S Aagaard
- Department of Otorhinolaryngology, Odense University Hospital, Odense, Denmark
| | - Klaus Brusgaard
- Department of Clinical Genetics, Odense University Hospital, Odense, Denmark
| | - Ieva Miceikaite
- Department of Clinical Genetics, Odense University Hospital, Odense, Denmark
| | - Martin J Larsen
- Department of Clinical Genetics, Odense University Hospital, Odense, Denmark
| | - Anette D Kjeldsen
- Department of Otorhinolaryngology, Odense University Hospital, Odense, Denmark
| | - Emilie B Lester
- Department of Clinical Genetics, Odense University Hospital, Odense, Denmark
| | - Lilian B Ousager
- Department of Clinical Genetics, Odense University Hospital, Odense, Denmark
| | - Pernille M Tørring
- Department of Clinical Genetics, Odense University Hospital, Odense, Denmark
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Dhooge M, Baert-Desurmont S, Corsini C, Caron O, Andrieu N, Berthet P, Bonadona V, Cohen-Haguenauer O, De Pauw A, Delnatte C, Dussart S, Lasset C, Leroux D, Maugard C, Moretta-Serra J, Popovici C, Buecher B, Colas C, Noguès C. National recommendations of the French Genetics and Cancer Group - Unicancer on the modalities of multi-genes panel analyses in hereditary predispositions to tumors of the digestive tract. Eur J Med Genet 2020; 63:104080. [PMID: 33039684 DOI: 10.1016/j.ejmg.2020.104080] [Citation(s) in RCA: 5] [Impact Index Per Article: 1.3] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 05/22/2020] [Revised: 09/29/2020] [Accepted: 09/29/2020] [Indexed: 12/13/2022]
Abstract
In case of suspected hereditary predisposition to digestive cancers, next-generation sequencing can analyze simultaneously several genes associated with an increased risk of developing these tumors. Thus, "Gastro Intestinal" (GI) gene panels are commonly used in French molecular genetic laboratories. Lack of international recommendations led to disparities in the composition of these panels and in the management of patients. To harmonize practices, the Genetics and Cancer Group (GGC)-Unicancer set up a working group who carried out a review of the literature for 31 genes of interest in this context and established a list of genes for which the estimated risks associated with pathogenic variant seemed sufficiently reliable and high for clinical use. Pancreatic cancer susceptibility genes have been excluded. This expertise defined a panel of 14 genes of confirmed clinical interest and relevant for genetic counseling: APC, BMPR1A, CDH1, EPCAM, MLH1, MSH2, MSH6, MUTYH, PMS2, POLD1, POLE, PTEN, SMAD4 and STK11. The reasons for the exclusion of the others 23 genes have been discussed. The paucity of estimates of the associated tumor risks led to the exclusion of genes, in particular CTNNA1, MSH3 and NTHL1, despite their implication in the molecular pathways involved in the pathophysiology of GI cancers. A regular update of the literature is planned to up-grade this panel of genes in case of new data on candidate genes. Genetic and epidemiological studies and international collaborations are needed to better estimate the risks associated with the pathogenic variants of these genes either selected or not in the current panel.
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Affiliation(s)
- Marion Dhooge
- APHP.Centre (Cochin Hospital), Paris University, Paris, France.
| | - Stéphanie Baert-Desurmont
- Normandie Univ, UNIROUEN, Inserm U1245 and Rouen University Hospital, Department of Genetics, Normandy Center for Genomic and Personalized Medicine, Rouen, France
| | - Carole Corsini
- Arnaud de Villeneuve University Hospital, Montpellier, France
| | - Olivier Caron
- Gustave-Roussy University Hospital, Villejuif, France
| | - Nadine Andrieu
- Institut Curie, PSL Research University, Department of Tumor Biology, Paris, France; Unité Inserm, Institut Curie, Paris, France
| | | | | | | | - Antoine De Pauw
- Institut Curie, PSL Research University, Department of Tumor Biology, Paris, France
| | | | | | | | - Dominique Leroux
- Grenoble University Hospital, Couple-Enfant Hospital, Grenoble, France
| | | | - Jessica Moretta-Serra
- Institut Paoli-Calmettes, Department of Clinical Cancer Genetics, Aix Marseille Univ, INSERM, IRD, SESSTIM, Marseille, France
| | - Cornel Popovici
- Institut Paoli-Calmettes, Department of Clinical Cancer Genetics, Aix Marseille Univ, INSERM, IRD, SESSTIM, Marseille, France
| | - Bruno Buecher
- Institut Curie, PSL Research University, Department of Tumor Biology, Paris, France
| | - Chrystelle Colas
- Institut Curie, PSL Research University, Department of Tumor Biology, Paris, France
| | - Catherine Noguès
- Institut Paoli-Calmettes, Department of Clinical Cancer Genetics, Aix Marseille Univ, INSERM, IRD, SESSTIM, Marseille, France
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Iyer P, Moslim M, Farma JM, Denlinger CS. Diffuse gastric cancer: histologic, molecular, and genetic basis of disease. Transl Gastroenterol Hepatol 2020; 5:52. [PMID: 33073047 DOI: 10.21037/tgh.2020.01.02] [Citation(s) in RCA: 12] [Impact Index Per Article: 3.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 12/26/2019] [Accepted: 01/15/2020] [Indexed: 12/24/2022] Open
Abstract
Diffuse gastric cancer (DGC) is a distinct histopathologic and molecular disease, characterized by mutations in CDH1, RHOA, and others. In addition, DGC is associated with familial syndromes, including hereditary DGC and germline mutation in CDH1. Clinically, this subtype of gastric adenocarcinoma is associated with a poor prognosis and possible resistance to available systemic therapies. An understanding of the genetic and molecular underpinnings of DGC may help inform of its clinical behavior and aid in screening, diagnosis, and response to treatment. In this review, we will review the current histologic, molecular, and genetic landscape of DGC and its relevance to clinical practice.
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Affiliation(s)
- Pritish Iyer
- Department of Hematology/Oncology, Fox Chase Cancer Center, Philadelphia, PA, USA
| | - Maitham Moslim
- Department of Surgical Oncology, Fox Chase Cancer Center, Philadelphia, PA, USA
| | - Jeffrey M Farma
- Department of Surgical Oncology, Fox Chase Cancer Center, Philadelphia, PA, USA
| | - Crystal S Denlinger
- Department of Hematology/Oncology, Fox Chase Cancer Center, Philadelphia, PA, USA
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Abstract
Hamartomatous polyposis syndromes (HPS) are rare autosomal-dominant inherited disorders associated with gastrointestinal (GI) tract and other cancers. HPS include Peutz-Jeghers syndrome (PJS), juvenile polyposis syndrome (JPS), and phosphatase and tensin homolog hamartomatous tumor syndromes (PHTS). Diagnosis, management, and outcome prediction of HPS pose a clinical challenge. To characterize genotype, phenotype, histology and outcomes of individuals with HPS.
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46
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Sanchez-Duffhues G, Williams E, Goumans MJ, Heldin CH, Ten Dijke P. Bone morphogenetic protein receptors: Structure, function and targeting by selective small molecule kinase inhibitors. Bone 2020; 138:115472. [PMID: 32522605 DOI: 10.1016/j.bone.2020.115472] [Citation(s) in RCA: 56] [Impact Index Per Article: 14.0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 04/10/2020] [Revised: 06/04/2020] [Accepted: 06/04/2020] [Indexed: 12/11/2022]
Abstract
Bone morphogenetic proteins (BMPs) are secreted cytokines that control the fate and function of many different cell types. They exert their cellular responses via heteromeric complexes of specific BMP type I and type II serine/threonine kinase receptors, e.g. BMPRIA and BMPRII. Three type II and four type I receptors, also termed activin receptor-like kinases (ALKs), have been identified. The constitutively active type II kinase phosphorylates the type I receptor, which upon activation initiates intracellular signaling by phosphorylating SMAD effectors. Auxiliary cell surface receptors without intrinsic enzymatic motifs, such as Endoglin and Repulsive guidance molecules (RGM), can fine-tune signaling by regulating the interaction of the BMP ligands with the BMPRs. The functional annotation of the BMPR encoding genes has helped to understand underlying mechanisms of diseases in which these genes are mutated. Loss of function mutations in BMPRII, Endoglin or RGMc are causally linked to pulmonary arterial hypertension, hereditary hemorrhagic telangiectasia and juvenile hemochromatosis, respectively. In contrast, gain of function mutations in ACVR1, encoding ALK2, are linked to Fibrodysplasia ossificans progressiva and diffuse intrinsic pontine glioma. Here, we discuss BMPR identification, structure and function in health and disease. Moreover, we highlight the therapeutic promise of small chemical compounds that act as selective BMPR kinase inhibitors to normalize overactive BMPR signaling.
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Affiliation(s)
- Gonzalo Sanchez-Duffhues
- Department of Cell and Chemical Biology, Leiden University Medical Center, Einthovenweg 20, 2333 ZC Leiden, the Netherlands.
| | - Eleanor Williams
- Structural Genomics Consortium, University of Oxford, Roosevelt Drive, Oxford OX3 7DQ, UK
| | - Marie-Jose Goumans
- Department of Cell and Chemical Biology, Leiden University Medical Center, Einthovenweg 20, 2333 ZC Leiden, the Netherlands
| | - Carl-Henrik Heldin
- Department of Medical Biochemistry and Microbiology, Science for Life Laboratory, Box 582, Uppsala University, SE-751 23 Uppsala, Sweden
| | - Peter Ten Dijke
- Department of Cell and Chemical Biology, Leiden University Medical Center, Einthovenweg 20, 2333 ZC Leiden, the Netherlands; Department of Medical Biochemistry and Microbiology, Science for Life Laboratory, Box 582, Uppsala University, SE-751 23 Uppsala, Sweden; Oncode Institute, Department of Cell and Chemical Biology, Leiden University Medical Center, Einthovenweg 20, 2333 ZC Leiden, the Netherlands.
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47
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DeSouza B, Georgiou D. Advances in Hereditary Colorectal Cancer: Opportunities and Challenges for Clinical Translation. CURRENT GENETIC MEDICINE REPORTS 2020. [DOI: 10.1007/s40142-020-00183-x] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 10/24/2022]
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Abstract
Polyps in gastrointestinal tract are mostly benign and result from hamartomas or lymphoid hyperplasia of submucosa. They usually occur as isolated lesions in children and are referred to as juvenile polyps. Multiple polyps with inherited origin are called polyposis and can be seen as a part of the syndrome. The polyps with adenomatous histopathology have malignant potential and necessitate genetic testing and colonoscopy to define the risk of cancer. Although simple endoscopic removal is adequate in the treatment of juvenile polyps, children with familial adenomatous polyposis (FAP) need total colectomy with ileorectal anastomosis (IRA) or ileal pouch-anal anastomosis (IPAA). The timing of prophylactic colectomy and the type of surgical treatment are controversial in children. The clinical features, the assessment of cancer risk, and the alternatives of the surgical treatment of polyps are reviewed in this paper.
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Affiliation(s)
- Tutku Soyer
- Department of Paediatric Surgery, Hacettepe University Faculty of Medicine, Ankara, Turkey.
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49
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Monahan KJ, Bradshaw N, Dolwani S, Desouza B, Dunlop MG, East JE, Ilyas M, Kaur A, Lalloo F, Latchford A, Rutter MD, Tomlinson I, Thomas HJW, Hill J. Guidelines for the management of hereditary colorectal cancer from the British Society of Gastroenterology (BSG)/Association of Coloproctology of Great Britain and Ireland (ACPGBI)/United Kingdom Cancer Genetics Group (UKCGG). Gut 2020; 69:411-444. [PMID: 31780574 PMCID: PMC7034349 DOI: 10.1136/gutjnl-2019-319915] [Citation(s) in RCA: 231] [Impact Index Per Article: 57.8] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 09/20/2019] [Revised: 10/25/2019] [Accepted: 11/05/2019] [Indexed: 12/12/2022]
Abstract
Heritable factors account for approximately 35% of colorectal cancer (CRC) risk, and almost 30% of the population in the UK have a family history of CRC. The quantification of an individual's lifetime risk of gastrointestinal cancer may incorporate clinical and molecular data, and depends on accurate phenotypic assessment and genetic diagnosis. In turn this may facilitate targeted risk-reducing interventions, including endoscopic surveillance, preventative surgery and chemoprophylaxis, which provide opportunities for cancer prevention. This guideline is an update from the 2010 British Society of Gastroenterology/Association of Coloproctology of Great Britain and Ireland (BSG/ACPGBI) guidelines for colorectal screening and surveillance in moderate and high-risk groups; however, this guideline is concerned specifically with people who have increased lifetime risk of CRC due to hereditary factors, including those with Lynch syndrome, polyposis or a family history of CRC. On this occasion we invited the UK Cancer Genetics Group (UKCGG), a subgroup within the British Society of Genetic Medicine (BSGM), as a partner to BSG and ACPGBI in the multidisciplinary guideline development process. We also invited external review through the Delphi process by members of the public as well as the steering committees of the European Hereditary Tumour Group (EHTG) and the European Society of Gastrointestinal Endoscopy (ESGE). A systematic review of 10 189 publications was undertaken to develop 67 evidence and expert opinion-based recommendations for the management of hereditary CRC risk. Ten research recommendations are also prioritised to inform clinical management of people at hereditary CRC risk.
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Affiliation(s)
- Kevin J Monahan
- Family Cancer Clinic, St Mark's Hospital, London, UK
- Faculty of Medicine, Imperial College, London, UK
| | - Nicola Bradshaw
- Clinical Genetics, West of Scotland Genetics Services, Glasgow, Glasgow, UK
| | - Sunil Dolwani
- Gastroenterology, Cardiff and Vale NHS Trust, Cardiff, UK
| | - Bianca Desouza
- Clinical Genetics, Guy's and St Thomas' NHS Foundation Trust, London, UK
| | | | - James E East
- Translational Gastroenterology Unit, John Radcliffe Hospital, Oxford, UK
- Oxford NIHR Biomedical Research Centre, University of Oxford, Oxford, UK
| | - Mohammad Ilyas
- Faculty of Medicine & Health Sciences, Nottingham University, Nottingham, UK
| | - Asha Kaur
- Head of Policy and Campaigns, Bowel Cancer UK, London, UK
| | - Fiona Lalloo
- Genetic Medicine, Central Manchester University Hospitals Foundation Trust, Manchester, UK
| | | | - Matthew D Rutter
- Gastroenterology, University Hospital of North Tees, Stockton-on-Tees, UK
- Northern Institute for Cancer Research, Newcastle University, Newcastle upon Tyne, UK
| | - Ian Tomlinson
- Nuffield Department of Clinical Medicine, Wellcome Trust Centre for Human Genetics, Birmingham, UK
- Cancer Research Centre, University of Edinburgh, Edinburgh, UK
| | - Huw J W Thomas
- Family Cancer Clinic, St Mark's Hospital, London, UK
- Faculty of Medicine, Imperial College, London, UK
| | - James Hill
- Genetic Medicine, Central Manchester University Hospitals Foundation Trust, Manchester, UK
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Chen YW, Tu JF, Shen WJ, Chen WY, Dong J. Diagnosis and management of a solitary colorectal juvenile polyp in an adult during follow-up for ulcerative colitis: A case report. World J Gastroenterol 2020; 26:877-882. [PMID: 32148384 PMCID: PMC7052536 DOI: 10.3748/wjg.v26.i8.877] [Citation(s) in RCA: 3] [Impact Index Per Article: 0.8] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Download PDF] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 12/10/2019] [Revised: 01/16/2020] [Accepted: 01/18/2020] [Indexed: 02/06/2023] Open
Abstract
BACKGROUND Juvenile polyps are the most common type of polyps in children but are rare in adults. Inflammatory bowel disease (IBD) patients have a similar spectrum of symptoms as patients with juvenile polyps. Both patients with juvenile polyps and those with active IBD have high fecal calprotectin levels. Four cases of children with ulcerative colitis (UC) with solitary juvenile polyps and one case of an adult with UC with juvenile polyposis syndrome have been reported upon diagnosis of UC, while there have been no cases of adults with UC with solitary juvenile polyp reported in the literature.
CASE SUMMARY A 37-year-old man with a 12-year history of UC was admitted to our clinic because of increased stool frequency. UC was diagnosed at the age of 25. As the lesion was confined to the rectum, sulfasalazine suppositories or mesalazine suppositories were used. The patient was followed in an outpatient clinic, and colonoscopy was performed every one or two years. The latest examination was undertaken three years prior in the presence of proctitis. Recently, the patient complained of three to five bowel movements a day. There was mucus in the stool but no visible blood. Colonoscopy revealed a solitary polyp, about 1.5 cm in diameter, with a short and broad peduncle in the transverse colon surrounded by congestive and edematous mucosa. The patient had no family history of colorectal polyps or cancer. The polyp was successfully removed by endoscopic mucosal resection. Histopathological examination revealed that the polyp was a juvenile polyp without any malignant signs. Immunohistochemical staining for p53 showed wild-type expression and p53 overexpression was not detected. Ki-67 labeling index was 3%.
CONCLUSION This is the first case of an adult UC patient with a solitary juvenile polyp at the 12-year follow-up. The correlation between juvenile polyps and the activity of IBD needs further study.
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Affiliation(s)
- You-Wei Chen
- Department of Gastroenterology, Zhejiang Provincial People’s Hospital, People’s Hospital of Hangzhou Medical College, Hangzhou 310014, Zhejiang Province, China
| | - Jiang-Feng Tu
- Department of Gastroenterology, Zhejiang Provincial People’s Hospital, People’s Hospital of Hangzhou Medical College, Hangzhou 310014, Zhejiang Province, China
| | - Wen-Juan Shen
- Department of Gastroenterology, Nanxun District People's Hospital of Huzhou City, Huzhou 313009, Zhejiang Province, China
| | - Wan-Yuan Chen
- Department of Pathology, Zhejiang Provincial People’s Hospital, People’s Hospital of Hangzhou Medical College, Hangzhou 310014, Zhejiang Province, China
| | - Jie Dong
- Department of Gastroenterology, Zhejiang Provincial People’s Hospital, People’s Hospital of Hangzhou Medical College, Hangzhou 310014, Zhejiang Province, China
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