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Yamashita K, Oka S, Yamada T, Mitsui K, Yamamoto H, Takahashi K, Shiomi A, Hotta K, Takeuchi Y, Kuwai T, Ishida F, Kudo SE, Saito S, Ueno M, Sunami E, Yamano T, Itabashi M, Ohtsuka K, Kinugasa Y, Matsumoto T, Sugai T, Uraoka T, Kurahara K, Yamaguchi S, Kato T, Okajima M, Kashida H, Akagi Y, Ikematsu H, Ito M, Esaki M, Kawai M, Yao T, Hamada M, Horimatsu T, Koda K, Fukai Y, Komori K, Saitoh Y, Kanemitsu Y, Takamaru H, Yamada K, Nozawa H, Takayama T, Togashi K, Shinto E, Torisu T, Toyoshima A, Ohmiya N, Kato T, Otsuji E, Nagata S, Hashiguchi Y, Sugihara K, Ajioka Y, Tanaka S. Clinicopathological features and prognosis of primary small bowel adenocarcinoma: a large multicenter analysis of the JSCCR database in Japan. J Gastroenterol 2024; 59:376-388. [PMID: 38411920 PMCID: PMC11033235 DOI: 10.1007/s00535-024-02081-3] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 09/08/2023] [Accepted: 01/18/2024] [Indexed: 02/28/2024]
Abstract
BACKGROUND The clinicopathological features and prognosis of primary small bowel adenocarcinoma (PSBA), excluding duodenal cancer, remain undetermined due to its rarity in Japan. METHODS We analyzed 354 patients with 358 PSBAs, between January 2008 and December 2017, at 44 institutions affiliated with the Japanese Society for Cancer of the Colon and Rectum. RESULTS The median age was 67 years (218 males, 61.6%). The average tumor size was 49.9 (7-100) mm. PSBA sites consisted of jejunum (66.2%) and ileum (30.4%). A total of 219 patients (61.9%) underwent diagnostic small bowel endoscopy, including single-balloon endoscopy, double-balloon endoscopy, and capsule endoscopy before treatment. Nineteen patients (5.4%) had Lynch syndrome, and 272 patients (76.8%) had symptoms at the initial diagnosis. The rates for stages 0, I, II, III, and IV were 5.4%, 2.5%, 27.1%, 26.0%, and 35.6%, respectively. The 5-year overall survival rates at each stage were 92.3%, 60.0%, 75.9%, 61.4%, and 25.5%, respectively, and the 5-year disease-specific survival (DSS) rates were 100%, 75.0%, 84.1%, 59.3%, and 25.6%, respectively. Patients with the PSBA located in the jejunum, with symptoms at the initial diagnosis or advanced clinical stage had a worse prognosis. However, multivariate analysis using Cox-hazard model revealed that clinical stage was the only significant predictor of DSS for patients with PSBA. CONCLUSIONS Of the patients with PSBA, 76.8% had symptoms at the initial diagnosis, which were often detected at an advanced stage. Detection during the early stages of PSBA is important to ensure a good prognosis.
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Affiliation(s)
- Ken Yamashita
- Department of Gastroenterology, Hiroshima University Hospital, 1-2-3, Kasumi, Minami-Ku, Hiroshima, 734-8551, Japan
| | - Shiro Oka
- Department of Gastroenterology, Hiroshima University Hospital, 1-2-3, Kasumi, Minami-Ku, Hiroshima, 734-8551, Japan.
| | - Takeshi Yamada
- Department of Gastrointestinal and Hepato-Biliary-Pancreatic Surgery, Nippon Medical School, Tokyo, Japan
| | - Keigo Mitsui
- Department of Gastroenterology, Nippon Medical School, Graduate School of Medicine, Tokyo, Japan
| | - Hironori Yamamoto
- Department of Medicine, Division of Gastroenterology, Jichi Medical University, Tochigi, Japan
| | - Keiichi Takahashi
- Department of Colorectal Surgery, Tokyo Metropolitan Cancer and Infectious Diseases Center Komagome Hospital, Tokyo, Japan
| | - Akio Shiomi
- Division of Colon and Rectal Surgery, Shizuoka Cancer Center, Shizuoka, Japan
| | - Kinichi Hotta
- Division of Endoscopy, Shizuoka Cancer Center, Shizuoka, Japan
| | - Yoji Takeuchi
- Department of Gastrointestinal Oncology, Osaka International Cancer Institute, Osaka, Japan
| | - Toshio Kuwai
- Department of Gastroenterology, National Hospital Organization Kure Medical Center and Chugoku Cancer Center, Hiroshima, Japan
| | - Fumio Ishida
- Digestive Disease Center, Showa University Northern Yokohama Hospital, Kanagawa, Japan
| | - Shin-Ei Kudo
- Digestive Disease Center, Showa University Northern Yokohama Hospital, Kanagawa, Japan
| | - Shoichi Saito
- Department of Lower Gastrointestinal Medicine, Cancer Institute Hospital of the Japanese Foundation for Cancer Research, Tokyo, Japan
| | - Masashi Ueno
- Department of Gastroenterological Surgery, Toranomon Hospital, Tokyo, Japan
| | - Eiji Sunami
- Department of Surgery, Kyorin University School of Medicine, Tokyo, Japan
| | - Tomoki Yamano
- Division of Lower Gastrointestinal Surgery, Department of Surgery, Hyogo College of Medicine, Hyogo, Japan
| | - Michio Itabashi
- Department of Surgery, Institute of Gastroenterology, Tokyo Women's Medical University, Tokyo, Japan
| | - Kazuo Ohtsuka
- Department of Gastroenterology and Hepatology, Tokyo Medical and Dental University, Tokyo, Japan
| | - Yusuke Kinugasa
- Department of Gastrointestinal Surgery, Tokyo Medical and Dental University, Tokyo, Japan
| | - Takayuki Matsumoto
- Division of Gastroenterology, Department of Internal Medicine, Iwate Medical University, Iwate, Japan
| | - Tamotsu Sugai
- Department of Diagnostic Pathology, Iwate Medical University, Iwate, Japan
| | - Toshio Uraoka
- Department of Gastroenterology and Hepatology, Gunma University Graduate School of Medicine, Gunma, Japan
| | - Koichi Kurahara
- Division of Gastroenterology, Matsuyama Red Cross Hospital, Ehime, Japan
| | - Shigeki Yamaguchi
- Department of Gastroenterological Surgery, Saitama Medical University International Medical Center, Saitama, Japan
| | - Tomohiro Kato
- Division of Gastroenterology and Hepatology, Department of Internal Medicine, The Jikei University School of Medicine, Tokyo, Japan
| | - Masazumi Okajima
- Department of Surgery, Hiroshima City Hiroshima Citizens Hospital, Hiroshima, Japan
| | - Hiroshi Kashida
- Department of Gastroenterology and Hepatology, Kindai University Faculty of Medicine, Osaka, Japan
| | - Yoshito Akagi
- Department of Surgery, Kurume University School of Medicine, Fukuoka, Japan
| | - Hiroaki Ikematsu
- Department of Gastroenterology and Endoscopy, National Cancer Center Hospital East, Chiba, Japan
| | - Masaaki Ito
- Department of Colorectal Surgery, National Cancer Center Hospital East, Chiba, Japan
| | - Motohiro Esaki
- Division of Gastroenterology, Department of Internal Medicine, Faculty of Medicine, Saga University, Saga, Japan
| | - Masaya Kawai
- Department of Coloproctological Surgery, Faculty of Medicine, Juntendo University, Tokyo, Japan
| | - Takashi Yao
- Department of Human Pathology, Juntendo University Graduate School of Medicine, Tokyo, Japan
| | - Madoka Hamada
- Department of Gastrointestinal Surgery, Kansai Medical University Hospital, Osaka, Japan
| | - Takahiro Horimatsu
- Department of Clinical Oncology, Kyoto University Hospital, Kyoto, Japan
| | - Keiji Koda
- Department of Surgery, Teikyo University Chiba Medical Center, Chiba, Japan
| | - Yasumori Fukai
- Department of Gastroenterology, Maebashi Red Cross Hospital, Gunma, Japan
| | - Koji Komori
- Department of Gastroenterological Surgery, Aichi Cancer Center Hospital, Aichi, Japan
| | - Yusuke Saitoh
- Department of Gastroenterology, Asahikawa City Hospital, Asahikawa, Hokkaido, Japan
| | - Yukihide Kanemitsu
- Department of Colorectal Surgery, National Cancer Center Hospital, Tokyo, Japan
| | | | - Kazutaka Yamada
- Department of Surgery, Coloproctology Center Takano Hospital, Kumamoto, Japan
| | - Hiroaki Nozawa
- Department of Surgical Oncology, The University of Tokyo, Tokyo, Japan
| | - Tetsuji Takayama
- Department of Gastroenterology and Oncology, Tokushima University Graduate School of Biomedical Sciences, Tokushima, Japan
| | - Kazutomo Togashi
- Department of Coloproctology, Aizu Medical Center, Fukushima Medical University, Fukushima, Japan
| | - Eiji Shinto
- Department of Surgery, National Defense Medical College, Tokorozawa, Saitama, Japan
| | - Takehiro Torisu
- Department of Medicine and Clinical Science, Graduate School of Medical Sciences, Kyushu University, Fukuoka, Japan
| | - Akira Toyoshima
- Department of Colorectal Surgery, Japanese Red Cross Medical Center, Tokyo, Japan
| | - Naoki Ohmiya
- Department of Advanced Endoscopy, Fujita Health University School of Medicine, Aichi, Japan
| | - Takeshi Kato
- Department of Surgery, National Hospital Organization Osaka National Hospital, Osaka, Japan
| | - Eigo Otsuji
- Division of Digestive Surgery, Department of Surgery, Kyoto Prefectural University of Medicine, Kyoto, Japan
| | - Shinji Nagata
- Department of Gastroenterology, Hiroshima City North Medical Center Asa Citizens Hospital, Hiroshima, Japan
| | - Yojiro Hashiguchi
- Department of Surgery, Japanese Red Cross Omori Hospital, Tokyo, Japan
| | | | - Yoichi Ajioka
- Division of Molecular and Diagnostic Pathology, Niigata University Graduate School of Medical and Dental Sciences, Niigata, Japan
| | - Shinji Tanaka
- Department of Gastroenterology, Hiroshima University Hospital, 1-2-3, Kasumi, Minami-Ku, Hiroshima, 734-8551, Japan
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Yoon KW, Jo J, Lee D. Small intestinal adenocarcinoma accompanied by lynch syndrome: A case report. Medicine (Baltimore) 2023; 102:e35323. [PMID: 37773826 PMCID: PMC10545008 DOI: 10.1097/md.0000000000035323] [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: 06/20/2023] [Accepted: 08/31/2023] [Indexed: 10/01/2023] Open
Abstract
RATIONALE Lynch syndrome is caused by germline mutations of DNA mismatch repair genes. A significant risk increase for several types of cancer is one of the characteristics of lynch syndrome. PATIENT CONCERNS A 45-year-old female presented to the emergency department with abdominal pain that had persisted for a month. DIAGNOSES The abdominal and pelvic computed tomography scan showed edematous and thickening of the proximal small bowel wall, as well as dilatation of the proximal bowel and stomach. INTERVENTIONS Tumor resection of the small bowel was performed, and adenocarcinoma was confirmed pathologically. Microsatellite instability was also confirmed. OUTCOMES Postoperative imaging revealed soft tissue lesions with potential for tumor seeding. Two months after the first surgery, a secondary surgery was performed as a result of cancer recurrence. The patient received chemotherapy with capecitabine. The latest computed tomography scan, performed 19 months after the cessation of chemotherapy, did not show any recurrence. LESSONS In the rare incidence of small bowel cancer genetic mutation testing and detailed family history should be actively considered.
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Affiliation(s)
- Kyoung Won Yoon
- Division of Critical Care, Department of Surgery, Chung-Ang University Gwangmyeong Hospital, Chung-Ang University College of Medicine, Gwangmyeong, Republic of Korea
| | - Jaemin Jo
- Division of Hemato-Oncology, Department of Internal Medicine, Jeju National University Hospital, Jeju National University College of Medicine, Jeju, Republic of Korea
| | - Donghyoun Lee
- Department of Surgery, Jeju National University Hospital, Jeju National University College of Medicine, Republic of Korea
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Vanoli A, Guerini C, Arpa G, Klersy C, Grillo F, Casadei Gardini A, De Hertogh G, Ferrante M, Moens A, Furlan D, Sessa F, Quaquarini E, Lenti MV, Neri G, Macciomei MC, Fassan M, Cascinu S, Paulli M, Graham RP, Di Sabatino A. Mismatch repair deficiency as prognostic factor for stage III small bowel adenocarcinoma: A multicentric international study. Dig Liver Dis 2023; 55:1261-1269. [PMID: 37236851 DOI: 10.1016/j.dld.2023.05.005] [Citation(s) in RCA: 1] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 03/10/2023] [Revised: 04/29/2023] [Accepted: 05/01/2023] [Indexed: 05/28/2023]
Abstract
BACKGROUND Small bowel adenocarcinoma (SBA) is a rare cancer with an aggressive behavior. No study has specifically addressed the putative prognostic role of mismatch repair status in stage III SBAs. AIMS We aimed to investigate whether mismatch repair deficiency is associated with cancer-specific survival in a Western cohort of patients with stage III SBAs. METHODS In this retrospective multicentric international cohort study, we enrolled 70 patients who underwent surgically resection for stage III SBAs and we analyzed the frequency of mismatch repair deficiency, tested by immunohistochemistry for mismatch repair proteins and by polymerase chain reaction for microsatellite instability, and its association with cancer-specific survival and other clinic-pathologic factors. RESULTS We found sixteen (23%) patients with mismatch repair deficient adenocarcinoma, without discordance between immunohistochemical and polymerase chain reaction for microsatellite instability analyses. Mismatch repair deficiency proved to be associated with a better outcome both at univariable analysis (hazard ratio: 0.28, 95% confidence interval: 0.08-0.91, p: 0.035) and in bivariable models adjusted for patient age or gender, tumor site, pT4 stage, tumor budding, and perineural invasion. CONCLUSION This study highlights the importance of testing mismatch repair status to improve prognostic stratification in stage III SBAs.
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Affiliation(s)
- Alessandro Vanoli
- Department of Molecular Medicine, Unit of Anatomic Pathology, University of Pavia, Pavia 27100, Italy; Unit of Anatomic Pathology, Fondazione IRCCS San Matteo Hospital, Pavia 27100, Italy
| | - Camilla Guerini
- Department of Molecular Medicine, Unit of Anatomic Pathology, University of Pavia, Pavia 27100, Italy
| | - Giovanni Arpa
- Department of Molecular Medicine, Unit of Anatomic Pathology, University of Pavia, Pavia 27100, Italy
| | - Catherine Klersy
- Clinical Epidemiology and Biometry, IRCCS San Matteo Hospital Foundation, University of Pavia, Pavia 27100, Italy
| | - Federica Grillo
- Pathology Unit, Department of Surgical and Diagnostic Sciences, University of Genoa and Ospedale Policlinico San Martino University Hospital, Genoa 16132, Italy
| | - Andrea Casadei Gardini
- Department of Oncology, Vita-Salute San Raffaele University, IRCCS San Raffaele Scientific Institute Hospital, Milan 20132, Italy
| | - Gert De Hertogh
- Department of Pathology, KU Leuven University Hospitals, Leuven 3000, Belgium
| | - Marc Ferrante
- Department of Gastroenterology and Hepatology, University Hospitals, KU Leuven, Leuven 3000, Belgium
| | - Annick Moens
- Department of Gastroenterology and Hepatology, University Hospitals, KU Leuven, Leuven 3000, Belgium
| | - Daniela Furlan
- Pathology Unit, Department of Medicine and Surgery, University of Insubria, Varese 21100, Italy
| | - Fausto Sessa
- Pathology Unit, Department of Medicine and Surgery, University of Insubria, Varese 21100, Italy
| | - Erica Quaquarini
- Medical Oncology Unit, ICS Maugeri-IRCCS SpA SB, Pavia 27100, Italy
| | - Marco Vincenzo Lenti
- Department of Internal Medicine, University of Pavia, San Matteo Hospital Foundation, Pavia 27100, Italy
| | - Giuseppe Neri
- Department of Molecular Medicine, Unit of Anatomic Pathology, University of Pavia, Pavia 27100, Italy
| | | | - Matteo Fassan
- Surgical Pathology and Cytopathology Unit, Department of Medicine, DIMED, University of Padua, Padua 35122, Italy; Veneto Institute of Oncology, IOV-IRCCS, Padua 35128, Italy
| | - Stefano Cascinu
- Department of Oncology, Vita-Salute San Raffaele University, IRCCS San Raffaele Scientific Institute Hospital, Milan 20132, Italy
| | - Marco Paulli
- Department of Molecular Medicine, Unit of Anatomic Pathology, University of Pavia, Pavia 27100, Italy; Unit of Anatomic Pathology, Fondazione IRCCS San Matteo Hospital, Pavia 27100, Italy
| | | | - Antonio Di Sabatino
- Department of Internal Medicine, University of Pavia, San Matteo Hospital Foundation, Pavia 27100, Italy.
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Chin YH, Jain SR, Lee MH, Ng CH, Lin SY, Mai AS, Muthiah MD, Foo FJ, Sundar R, Ong DEH, Leow WQ, Leong R, Chan WPW. Small bowel adenocarcinoma in Crohn's disease: a systematic review and meta-analysis of the prevalence, manifestation, histopathology, and outcomes. Int J Colorectal Dis 2022; 37:239-250. [PMID: 34704127 DOI: 10.1007/s00384-021-04050-1] [Citation(s) in RCA: 7] [Impact Index Per Article: 3.5] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Accepted: 10/12/2021] [Indexed: 02/04/2023]
Abstract
BACKGROUND AND AIMS Small bowel adenocarcinoma (SBA) is a rare neoplasm that is associated with Crohn's disease (CD). This study aims to quantify the prevalence of CD-SBA, review the current evidence of histopathology and molecular analysis findings, and identify the clinical presentation and outcomes of CD-SBA. METHODS Electronic databases Medline and Embase were searched for articles describing SBA in inflammatory bowel disease patients. The histopathology, molecular analysis findings, clinical presentation, prevalence, and outcomes of CD-SBA were extracted, and results were pooled with random effects. RESULTS In total, 33 articles were included in the analysis. Prevalence of SBA was 1.15 (CI: 0.31-2.33) per 1000 CD patients. Only 11% (CI: 0.04-0.21) of CD-SBA patients had observable radiological features. CD-SBA was most commonly found in the ileum (84%), diagnosed at stage 2 (36%), with main presenting complaints including obstruction, weight loss, and abdominal pain. Significant histopathological findings included adjacent epithelial dysplasia, and an equal distribution of well-differentiated (49%) and poorly differentiated subtypes (46%). Most prevalent genetic mutation was KRAS mutation (18%), followed by mismatch repair deficiency (9.7%). The 5-year overall survival for CD-SBA patients was 29% (CI: 0.18-0.41), and 33% (CI: 0.26-0.41) for de novo SBA. No statistically significant increase in risk for CD-SBA was noted for treatment with thiopurines, steroids, and 5-ASA. CONCLUSION Our meta-analysis found the prevalence of CD-SBA to be 1.15 per 1000 CD patients. The 5-year overall survival for CD-SBA was poor. The presenting symptoms were non-specific, and therefore the diagnosis requires a high index of suspicion.
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Affiliation(s)
- Yip Han Chin
- Yong Loo Lin School of Medicine, 10 Medical Dr, Singapore, 117597, Singapore.
| | - Sneha Rajiv Jain
- Yong Loo Lin School of Medicine, 10 Medical Dr, Singapore, 117597, Singapore
| | - Ming Hui Lee
- Faculty of Science, National University of Singapore, Singapore, Singapore
| | - Cheng Han Ng
- Yong Loo Lin School of Medicine, 10 Medical Dr, Singapore, 117597, Singapore
| | - Snow Yunni Lin
- Yong Loo Lin School of Medicine, 10 Medical Dr, Singapore, 117597, Singapore
| | - Aaron Shengting Mai
- Yong Loo Lin School of Medicine, 10 Medical Dr, Singapore, 117597, Singapore
| | - Mark Dhinesh Muthiah
- Yong Loo Lin School of Medicine, 10 Medical Dr, Singapore, 117597, Singapore
- National University Centre for Organ Transplantation, National University Hospital, Singapore, Singapore
| | - Fung Joon Foo
- Yong Loo Lin School of Medicine, 10 Medical Dr, Singapore, 117597, Singapore
- Department of General Surgery, Sengkang General Hospital, Singapore, Singapore
| | - Raghav Sundar
- Yong Loo Lin School of Medicine, 10 Medical Dr, Singapore, 117597, Singapore
- Department of Haematology-Oncology, National University Health System, Singapore, Singapore
| | - David Eng Hui Ong
- Yong Loo Lin School of Medicine, 10 Medical Dr, Singapore, 117597, Singapore
- National University Centre for Organ Transplantation, National University Hospital, Singapore, Singapore
| | - Wei Qiang Leow
- Division of Pathology, Department of Anatomical Pathology, Singapore General Hospital, Singapore, Singapore
- Department of Anatomical Pathology, Duke-NUS Medical School, Singapore General Hospital, Singapore, Singapore
| | - Rupert Leong
- The University of Sydney, Sydney, NSW, Australia
- Concord Repatriation General Hospital, Sydney, NSW, Australia
| | - Webber Pak Wo Chan
- Department of Gastroenterology, Singapore General Hospital, 16 College Road, Block 6 Level 6, Singapore, 169854, Singapore.
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5
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Prognostic Value of LC3B and p62 Expression in Small Intestinal Adenocarcinoma. J Clin Med 2021; 10:jcm10225398. [PMID: 34830679 PMCID: PMC8624293 DOI: 10.3390/jcm10225398] [Citation(s) in RCA: 4] [Impact Index Per Article: 1.3] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 10/17/2021] [Revised: 11/12/2021] [Accepted: 11/16/2021] [Indexed: 12/14/2022] Open
Abstract
Autophagy, a mechanism that maintains cellular homeostasis, is involved in tumor cell growth and survival in cancer, and autophagy inhibitors have been tested clinical trials for anticancer therapy. To elucidate the clinical and prognostic implications of autophagy in small intestinal adenocarcinoma (SIAC), we assessed the expression of autophagy markers, LC3B and p62, in 171 surgically resected primary SIACs using automated quantitative analysis. Positive LC3B, p62 nuclear (p62Nu), and p62 cytoplasmic (p62Cy) expression was observed in 23 (13.5%), 52 (30.4%), and 43 (25.1%) carcinomas, respectively. LC3B+ expression was correlated with undifferentiated carcinoma (p < 0.001) and high histologic grade (p = 0.029). The combined expression of LC3B and p62Nu (LC3+/p62Nu+) was related to the older age of patients (p = 0.017), undifferentiated carcinoma (p < 0.001), and high grade (p = 0.031). LC3B+ (p = 0.006), p62Cy+ (p = 0.041), or p62Nu+ (p = 0.006) expression were associated with worse survival. In addition, SIAC patients with either LC3B+/p62Nu+ (p = 0.001) or LC3B+/p62Cy+ (p = 0.002) expression had shorter survival times. In multivariate analysis, LC3B expression remained an independent prognostic factor (p = 0.025) for overall survival. In conclusion, autophagy may play a role in the tumorigenesis of SIACs, and LC3B and p62 could be used as prognostic biomarkers and potential therapeutic targets for SIACs.
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Rosenbaum MW, Gonzalez RS. Immunohistochemistry as predictive and prognostic markers for gastrointestinal malignancies. Semin Diagn Pathol 2021; 39:48-57. [PMID: 34740486 DOI: 10.1053/j.semdp.2021.10.003] [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: 06/14/2021] [Accepted: 10/28/2021] [Indexed: 11/11/2022]
Abstract
Biomarkers play a key role in the comprehensive pathologic evaluation of gastrointestinal malignancies. These biomarkers can be predictive, indicating whether a tumor is likely to respond to a particular therapy, or prognostic, providing information about the likely course and outcome of a disease. This review article will discuss available immunohistochemical stains for assessing these markers, including staining rationale, scoring criteria, associated systemic therapies, and pictorial examples. PD-L1, HER2, and mismatch repair status can be evaluated via immunohistochemistry for esophageal, gastric, and colorectal carcinomas. Biomarkers currently play a more limited role in evaluation of pancreatic and small bowel malignancies. Immunohistochemistry can also be used to evaluate biomarker status in gastrointestinal stromal tumors, gastrointestinal malignancies with NTRK gene fusions, and undifferentiated carcinomas with switch-sucrose non-fermentable complex abnormalities.
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Affiliation(s)
- Matthew W Rosenbaum
- Department of Pathology, Beth Israel Deaconess Medical Center, United States
| | - Raul S Gonzalez
- Department of Pathology, Beth Israel Deaconess Medical Center, United States.
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7
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Fassan M, Scarpa A, Remo A, De Maglio G, Troncone G, Marchetti A, Doglioni C, Ingravallo G, Perrone G, Parente P, Luchini C, Mastracci L. Current prognostic and predictive biomarkers for gastrointestinal tumors in clinical practice. Pathologica 2021; 112:248-259. [PMID: 33179625 PMCID: PMC7931577 DOI: 10.32074/1591-951x-158] [Citation(s) in RCA: 32] [Impact Index Per Article: 10.7] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 06/24/2020] [Accepted: 06/24/2020] [Indexed: 12/12/2022] Open
Abstract
The pathologist emerged in the personalized medicine era as a central actor in the definition of the most adequate diagnostic and therapeutic algorithms. In the last decade, gastrointestinal oncology has seen a significantly increased clinical request for the integration of novel prognostic and predictive biomarkers in histopathological reports. This request couples with the significant contraction of invasive sampling of the disease, thus conferring to the pathologist the role of governor for both proper pathologic characterization and customized processing of the biospecimens. This overview will focus on the most commonly adopted immunohistochemical and molecular biomarkers in the routine clinical characterization of gastrointestinal neoplasms referring to the most recent published recommendations, guidelines and expert opinions.
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Affiliation(s)
- Matteo Fassan
- Surgical Pathology Unit, Department of Medicine (DIMED), University of Padua, Italy
| | - Aldo Scarpa
- ARC-NET Research Centre, University of Verona, Italy.,Department of Diagnostics and Public Health, Section of Pathology, University and Hospital Trust of Verona, Verona, Italy
| | - Andrea Remo
- Pathology Unit, Service Department, ULSS9 "Scaligera", Verona, Italy
| | | | - Giancarlo Troncone
- Department of Public Health, Federico II University Medical School Naples, Italy
| | - Antonio Marchetti
- Center of Predictive Molecular Medicine, Center for Excellence on Aging and Translational Medicine, University of Chieti-Pescara, Italy
| | - Claudio Doglioni
- Vita e Salute University, Milan, Italy.,Pathology Unit, Pancreas Translational and Clinical Research Center, IRCCS San Raffaele Scientific Institute, Milan, Italy
| | - Giuseppe Ingravallo
- Department of Emergency and Organ Transplantation, Section of Pathological Anatomy, University of Bari Aldo Moro, Bari, Italy
| | - Giuseppe Perrone
- Department of Pathology, Campus Bio-Medico University, Rome, Italy
| | - Paola Parente
- Pathology Unit, Fondazione IRCCS Ospedale Casa Sollievo della Sofferenza, San Giovanni Rotondo (FG), Italy
| | - Claudio Luchini
- Department of Diagnostics and Public Health, Section of Pathology, University and Hospital Trust of Verona, Verona, Italy
| | - Luca Mastracci
- Anatomic Pathology, San Martino IRCCS Hospital,, Genova, Italy.,Anatomic Pathology, Department of Surgical Sciences and Integrated Diagnostics (DISC), University of Genova, Genova, Italy
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8
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Assarzadegan N, Montgomery E. What is New in the 2019 World Health Organization (WHO) Classification of Tumors of the Digestive System: Review of Selected Updates on Neuroendocrine Neoplasms, Appendiceal Tumors, and Molecular Testing. Arch Pathol Lab Med 2021; 145:664-677. [PMID: 32233993 DOI: 10.5858/arpa.2019-0665-ra] [Citation(s) in RCA: 64] [Impact Index Per Article: 21.3] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Accepted: 12/26/2019] [Indexed: 12/14/2022]
Abstract
CONTEXT.— The 5th edition of the World Health Organization classification of digestive system tumors discusses several advancements and developments in understanding the etiology, pathogenesis, and diagnosis of several digestive tract tumors. OBJECTIVE.— To provide a summary of the updates with a focus on neuroendocrine neoplasms, appendiceal tumors, and the molecular advances in tumors of the digestive system. DATA SOURCES.— English literature and personal experiences. CONCLUSIONS.— Some of the particularly important updates in the 5th edition are the alterations made in the classification of neuroendocrine neoplasms, understanding of pathogenesis of appendiceal tumors and their precursor lesions, and the expanded role of molecular pathology in establishing an accurate diagnosis or predicting prognosis and response to treatment.
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Affiliation(s)
- Naziheh Assarzadegan
- Department of Pathology, the Johns Hopkins University, School of Medicine, Baltimore, Maryland
| | - Elizabeth Montgomery
- Department of Pathology, the Johns Hopkins University, School of Medicine, Baltimore, Maryland
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9
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Sung YN, Kim SJ, Jun SY, Yoo C, Kim KP, Lee JH, Hwang DW, Hwang S, Lee SS, Hong SM. Expression of HER2 and Mismatch Repair Proteins in Surgically Resected Gallbladder Adenocarcinoma. Front Oncol 2021; 11:658564. [PMID: 34367955 PMCID: PMC8339709 DOI: 10.3389/fonc.2021.658564] [Citation(s) in RCA: 2] [Impact Index Per Article: 0.7] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 01/26/2021] [Accepted: 06/29/2021] [Indexed: 12/30/2022] Open
Abstract
Background Gallbladder cancer (GBC) has a poor prognosis. Although complete surgical resection is the only successful approach for improving survival, additional therapeutic modalities are required for recurrent or surgically unresectable GBCs. Materials and Methods To determine the expression status of HER2 and the mismatch repair (MMR) proteins MLH1, MSH2, MSH6, and PMS2, immunohistochemical staining of MMR proteins and HER2 was carried out in 216 surgically resected GBCs. HER2 labeling was scored by adopting a scoring system for gastric carcinomas. Tissues scoring 0 to 2+ were defined as HER2 negative, whereas those scoring 3+ were regarded as HER2-positive. In addition, silver in situ hybridization and microsatellite instability (MSI) analysis were conducted to confirm HER2 amplification and MSI, respectively. Results Three of 216 GBCs (1.3%) showed MMR protein deficiency. All three observed MSI cases exhibited dual loss of MSH2 and MSH6 protein expression. However, no cases showed loss of either MLH1 or PMS2 expression. No association was observed between MMR protein deficiency and other clinicopathological factors. HER2 amplification was noted in 30 (13.9%) GBCs and associated with Crohn-like lymphoid reaction (P = 0.023). No survival difference was observed based on HER2 overexpression or HER2 amplification status. Conclusion MMR protein deficiency and HER2 overexpression were observed in a small subset (1.3% and 13.9%, respectively) of GBCs without simultaneous occurrence of deficient MMR protein expression and HER2 overexpression. The presence of Crohn-like lymphoid reaction may help identify cases with HER2 amplification, by using hematoxylin-stained slides. Although the proportion of MMR protein-deficient- and HER2-overexpressing GBCs was small, applying immunotherapy to MMR protein-deficient GBCs and herceptin to HER2-overexpressing GBCs may provide alternative treatment options for patients with GBC.
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Affiliation(s)
- You-Na Sung
- Department of Pathology, Asan Medical Center, University of Ulsan College of Medicine, Seoul, South Korea
| | - Sung Joo Kim
- Department of Pathology, Asan Medical Center, University of Ulsan College of Medicine, Seoul, South Korea
| | - Sun-Young Jun
- Department of Pathology, Incheon St. Mary's Hospital, College of Medicine, The Catholic University of Korea, Seoul, South Korea
| | - Changhoon Yoo
- Department of Oncology, Asan Medical Center, University of Ulsan College of Medicine, Seoul, South Korea
| | - Kyu-Pyo Kim
- Department of Oncology, Asan Medical Center, University of Ulsan College of Medicine, Seoul, South Korea
| | - Jae Hoon Lee
- Department of Surgery, Asan Medical Center, University of Ulsan College of Medicine, Seoul, South Korea
| | - Dae Wook Hwang
- Department of Surgery, Asan Medical Center, University of Ulsan College of Medicine, Seoul, South Korea
| | - Shin Hwang
- Department of Surgery, Asan Medical Center, University of Ulsan College of Medicine, Seoul, South Korea
| | - Sang Soo Lee
- Department of Gastroenterology, Asan Medical Center, University of Ulsan College of Medicine, Seoul, South Korea
| | - Seung-Mo Hong
- Department of Pathology, Asan Medical Center, University of Ulsan College of Medicine, Seoul, South Korea
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10
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Adenocarcinoma of the Jejunum: A Case Report and Literature Review. SERBIAN JOURNAL OF EXPERIMENTAL AND CLINICAL RESEARCH 2021. [DOI: 10.2478/sjecr-2019-0079] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/21/2022] Open
Abstract
Abstract
Small intestine cancers account for 1-3% of all gastrointestinal tumors, with only 11-25% of these tumors located in the jejunum. We report the case of a woman who has been experiencing abdominal pain for the last six months, accompanied by nausea, vomiting and appearance of dark-colored stools, who has lost 20 kg in weight during the last few months. Laboratory findings indicated anemia and no significant changes were identified in the abdominal ultrasound. By endoscopic examination of the stomach and duodenum and by colonoscopy, no infiltrations were found. Serum markers were elevated and CT scan of the abdomen showed thickening of a part of the jejunum wall with swollen lymph nodes in the mesentery, along the inferior vena cava and abdominal aorta, in the retroperitoneal space. By opening the abdominal cavity, we observed an infiltration in the initial part of the jejunum with an infiltration of the entire wall. Resection of the jejunum with related mesenthery, vessels and lymph nodes therein was performed. Histopathology revealed an invasive adenocarcinoma of the small intestine, with an invasion of all layers of the wall and mesentery. Adjuvant FOLFOX chemotherapy was introduced, 6 cycles in total, and following each cycle, tumor markers have been constantly decreasing. No relapse has been identified after nine months. Due to often deep position in the small intestine, atypical symptomatology and lack of screening, an early diagnosis is difficult. Surgical resection of the affected small intestine followed by an additional chemotherapy is the optimal treatment strategy.
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11
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Son IT, Kim DW, Kim MH, Shin YK, Ku JL, Oh HK, Kang SB, Jeong SY, Park KJ. Comparison of oncologic outcomes between patients with Lynch syndrome and sporadic microsatellite instability-high colorectal cancer. Ann Surg Treat Res 2021; 101:13-19. [PMID: 34235112 PMCID: PMC8255576 DOI: 10.4174/astr.2021.101.1.13] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 03/16/2021] [Revised: 03/25/2021] [Accepted: 03/30/2021] [Indexed: 11/30/2022] Open
Abstract
Purpose Long-term oncologic differences in outcome between groups of patients with Lynch syndrome (LS) colorectal cancer (CRC) and sporadic CRC with microsatellite instability-high (MSI-H) are the focus of investigation in the current study. Methods Patients registered in the Korean Hereditary Tumor Registry and 2 tertiary referral hospitals treated for stage I–III CRC between 2005 and 2015 were retrospectively analyzed. Detection for both groups was performed using pedigree, microsatellite instability, and mismatch repair (MMR) gene testing. Multivariate analyses for overall survival (OS) and disease-free survival (DFS) were conducted. Results Cases of LS (n = 77) and sporadic CRC with MSI-H (n = 96) were identified. LS CRC patients were younger in age and displayed tumor sidedness, typically involving left-sided colon and rectum, compared to patients with sporadic CRC with MSI-H. OS and DFS were lower for LS CRC relative to CRC with MSI-H (OS, 72.7% vs. 93.8%, P = 0.001; DFS, 71.4% vs. 88.5%, P = 0.001). In multivariate analyses, tumor sidedness, stage, and chemotherapy were independent factors for OS and DFS. LS CRC was a prognostic factor for poorer OS (hazard ratio, 2.740; 95% confidence interval, 1.003–7.487; P = 0.049), but not DFS. Conclusion Our findings indicate that LS CRC is associated with poorer outcomes compared to sporadic CRC with MSI-H, presenting distinct clinical features. In view of the current lack of knowledge on genetic and molecular mechanisms, appropriate management taking into consideration the difficulty of identification of CRC with hypermutable tumors harboring heterogeneity is essential.
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Affiliation(s)
- Il Tae Son
- Department of Surgery, Seoul National University Bundang Hospital, Seongnam, Korea.,Department of Surgery, Hallym University College of Medicine, Anyang, Korea
| | - Duck-Woo Kim
- Department of Surgery, Seoul National University Bundang Hospital, Seongnam, Korea
| | - Min Hyun Kim
- Department of Surgery, Seoul National University Bundang Hospital, Seongnam, Korea
| | - Young-Kyoung Shin
- Laboratory of Cell Biology, Cancer Research Institute, Seoul National University College of Medicine, Seoul, Korea
| | - Ja-Lok Ku
- Laboratory of Cell Biology, Cancer Research Institute, Seoul National University College of Medicine, Seoul, Korea
| | - Heung-Kwon Oh
- Department of Surgery, Seoul National University Bundang Hospital, Seongnam, Korea
| | - Sung-Bum Kang
- Department of Surgery, Seoul National University Bundang Hospital, Seongnam, Korea
| | - Seung-Yong Jeong
- Department of Surgery, Seoul National University Hospital, Seoul, Korea
| | - Kyu Joo Park
- Department of Surgery, Seoul National University Hospital, Seoul, Korea
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12
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Kim JW, Chung JY, Ylaya K, Park Y, Jun SY, Hong SM, Hewitt SM. Prognostic implication of SOX2 expression in small intestinal adenocarcinoma. Virchows Arch 2021; 478:1049-1060. [PMID: 33103210 PMCID: PMC9815101 DOI: 10.1007/s00428-020-02946-x] [Citation(s) in RCA: 2] [Impact Index Per Article: 0.7] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 06/08/2020] [Revised: 09/23/2020] [Accepted: 10/05/2020] [Indexed: 01/11/2023]
Abstract
The presence of KRAS mutation enhances the stem cell features of colorectal carcinoma cells containing mutant adenomatous polyposis coli (APC). However, their potential role in small intestinal adenocarcinoma remains elusive. Here, we aimed to investigate the clinical significance of cancer stem cell markers expression in the context of small intestinal adenocarcinoma with the KRAS genotype. SOX2, NANOG, and OCT4 expression were assessed by immunohistochemistry and digital image analysis, and their potential association with KRAS was further examined in 185 Korean patients with small intestinal adenocarcinomas, which were collected from 22 institutions in South Korea. Positive expression of SOX2, NANOG, and OCT4 was detected in 65 (35.1%), 94 (50.8%), and 82 (44.3%) of patients, respectively. Patients with high SOX2 (SOX2+) expression displayed worse overall survival compared to those with low SOX2 (SOX2-) expression (P < 0.001). Patients with SOX2+/mutant KRAS (KRASMT) (11.1 months) had significantly shorter overall survival than those with SOX2-/KRASWT (53.6 months) (P < 0.001). In multivariate analysis, SOX2+, distal location, high pT and pN categories, microsatellite stable, and absence of predisposing diseases were independent prognostic factors for worse overall survival. These results suggest that SOX2 expression has the potential to predict clinical outcomes in patients with small intestinal adenocarcinomas.
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Affiliation(s)
- Jeong Won Kim
- Laboratory of Pathology, Center for Cancer Research, National Cancer Institute, National Institutes of Health, Bethesda, MD 20892, USA,Department of Pathology, Kangnam Sacred Heart Hospital, Hallym University College of Medicine, Seoul 07441, Republic of Korea
| | - Joon-Yong Chung
- Laboratory of Pathology, Center for Cancer Research, National Cancer Institute, National Institutes of Health, Bethesda, MD 20892, USA
| | - Kris Ylaya
- Laboratory of Pathology, Center for Cancer Research, National Cancer Institute, National Institutes of Health, Bethesda, MD 20892, USA
| | - Yoonho Park
- Laboratory of Pathology, Center for Cancer Research, National Cancer Institute, National Institutes of Health, Bethesda, MD 20892, USA
| | - Sun-Young Jun
- Department of Pathology, Incheon St. Mary’s Hospital, College of Medicine, The Catholic University of Korea, Seoul 21431, Republic of Korea
| | - Seung-Mo Hong
- Department of Pathology, Asan Medical Center, University of Ulsan College of Medicine, Seoul 05550, Republic of Korea
| | - Stephen M. Hewitt
- Laboratory of Pathology, Center for Cancer Research, National Cancer Institute, National Institutes of Health, Bethesda, MD 20892, USA
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13
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Tachikawa Y, Nozawa H, Hata K, Abe H, Ushiku T, Ishihara S. Metachronous ileal cancer after surgery for ascending colon cancer in a patient with Lynch syndrome: A case report. Int J Surg Case Rep 2021; 81:105714. [PMID: 33684646 PMCID: PMC7941031 DOI: 10.1016/j.ijscr.2021.105714] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 01/18/2021] [Revised: 02/24/2021] [Accepted: 02/24/2021] [Indexed: 11/30/2022] Open
Abstract
INTRODUCTION AND IMPORTANCE Colorectal surveillance via colonoscopy in patients with Lynch syndrome reduces the mortality of colorectal cancer. On the other hand, it is unclear whether surveillance for other malignancies, including small bowel cancer, is beneficial. We report a patient with Lynch syndrome who developed ileal cancer after surgery for ascending colon cancer. CASE PRESENTATION A 47-year-old man visited our hospital for a check-up for positive fecal occult blood. He was diagnosed with ascending colon cancer and met the clinical criteria for the diagnosis of Lynch syndrome based on his past and family history. The Bethesda markers demonstrated high-frequent microsatellite instability. Laparoscopy-assisted right hemicolectomy was performed. He received follow-up colonoscopy the next year, which revealed ileal cancer near the anastomosis. He underwent resection of the second cancer via a laparoscopic approach, and has been free from recurrence for five years. CLINICAL DISCUSSION Small bowel cancer has a dismal prognosis because a high percentage of patients were diagnosed at advanced stages. The diagnosis of metachronous ileal cancer by the first follow-up colonoscopy after surgery for ascending colon cancer offered a long disease-free survival in our patient. CONCLUSION The clinical course suggested the importance of inspecting the small bowel in Lynch syndrome patients, especially when colorectal cancer is diagnosed.
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Affiliation(s)
- Yuichi Tachikawa
- Department of Surgical Oncology, Graduate School of Medicine, The University of Tokyo, 7-3-1 Hongo, Bunkyo-ku, Tokyo, Japan.
| | - Hiroaki Nozawa
- Department of Surgical Oncology, Graduate School of Medicine, The University of Tokyo, 7-3-1 Hongo, Bunkyo-ku, Tokyo, Japan
| | - Keisuke Hata
- Department of Surgical Oncology, Graduate School of Medicine, The University of Tokyo, 7-3-1 Hongo, Bunkyo-ku, Tokyo, Japan
| | - Hiroyuki Abe
- Department of Pathology, Graduate School of Medicine, The University of Tokyo, 7-3-1 Hongo, Bunkyo-ku, Tokyo, Japan
| | - Tetsuo Ushiku
- Department of Pathology, Graduate School of Medicine, The University of Tokyo, 7-3-1 Hongo, Bunkyo-ku, Tokyo, Japan
| | - Soichiro Ishihara
- Department of Surgical Oncology, Graduate School of Medicine, The University of Tokyo, 7-3-1 Hongo, Bunkyo-ku, Tokyo, Japan
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14
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Gallon R, Gawthorpe P, Phelps RL, Hayes C, Borthwick GM, Santibanez-Koref M, Jackson MS, Burn J. How Should We Test for Lynch Syndrome? A Review of Current Guidelines and Future Strategies. Cancers (Basel) 2021; 13:406. [PMID: 33499123 PMCID: PMC7865939 DOI: 10.3390/cancers13030406] [Citation(s) in RCA: 13] [Impact Index Per Article: 4.3] [Reference Citation Analysis] [Abstract] [Key Words] [Grants] [Track Full Text] [Download PDF] [Journal Information] [Subscribe] [Scholar Register] [Received: 12/23/2020] [Revised: 01/18/2021] [Accepted: 01/20/2021] [Indexed: 12/13/2022] Open
Abstract
International guidelines for the diagnosis of Lynch syndrome (LS) recommend molecular screening of colorectal cancers (CRCs) to identify patients for germline mismatch repair (MMR) gene testing. As our understanding of the LS phenotype and diagnostic technologies have advanced, there is a need to review these guidelines and new screening opportunities. We discuss the barriers to implementation of current guidelines, as well as guideline limitations, and highlight new technologies and knowledge that may address these. We also discuss alternative screening strategies to increase the rate of LS diagnoses. In particular, the focus of current guidance on CRCs means that approximately half of Lynch-spectrum tumours occurring in unknown male LS carriers, and only one-third in female LS carriers, will trigger testing for LS. There is increasing pressure to expand guidelines to include molecular screening of endometrial cancers, the most frequent cancer in female LS carriers. Furthermore, we collate the evidence to support MMR deficiency testing of other Lynch-spectrum tumours to screen for LS. However, a reliance on tumour tissue limits preoperative testing and, therefore, diagnosis prior to malignancy. The recent successes of functional assays to detect microsatellite instability or MMR deficiency in non-neoplastic tissues suggest that future diagnostic pipelines could become independent of tumour tissue.
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Affiliation(s)
| | | | | | | | | | | | | | - John Burn
- Faculty of Medical Sciences, Newcastle University, Newcastle upon Tyne NE1 3BZ, UK; (P.G.); (R.L.P.); (C.H.); (G.M.B.); (M.S.-K.); (M.S.J.)
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15
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Latham A, Shia J, Patel Z, Reidy-Lagunes DL, Segal NH, Yaeger R, Ganesh K, Connell L, Kemeny NE, Kelsen DP, Hechtman JF, Nash GM, Paty PB, Zehir A, Tkachuk KA, Sheikh R, Markowitz AJ, Mandelker D, Offit K, Berger MF, Cercek A, Garcia-Aguilar J, Saltz LB, Weiser MR, Stadler ZK. Characterization and Clinical Outcomes of DNA Mismatch Repair-deficient Small Bowel Adenocarcinoma. Clin Cancer Res 2020; 27:1429-1437. [PMID: 33199489 DOI: 10.1158/1078-0432.ccr-20-2892] [Citation(s) in RCA: 21] [Impact Index Per Article: 5.3] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 07/28/2020] [Revised: 10/01/2020] [Accepted: 11/10/2020] [Indexed: 11/16/2022]
Abstract
PURPOSE The prevalence and clinical characteristics of small bowel adenocarcinomas (SBA) in the setting of Lynch syndrome have not been well studied. We characterized SBA according to DNA mismatch repair and/or microsatellite instability (MMR/MSI) and germline mutation status and compared clinical outcomes. EXPERIMENTAL DESIGN A single-institution review identified 100 SBAs. Tumors were evaluated for MSI via MSIsensor and/or corresponding MMR protein expression via IHC staining. Germline DNA was analyzed for mutations in known cancer predisposition genes, including MMR (MLH1, MSH2, MSH6, PMS2, and EPCAM). Clinical variables were correlated with MMR/MSI status. RESULTS Twenty-six percent (26/100; 95% confidence interval, 18.4-35.4) of SBAs exhibited MMR deficiency (MMR-D). Lynch syndrome prevalence was 10% overall and 38.5% among MMR-D SBAs. Median age at SBA diagnosis was similar in non-Lynch syndrome MMR-D versus MMR-proficient (MMR-P) SBAs (65 vs. 61; P = 0.75), but significantly younger in Lynch syndrome (47.5 vs. 61; P = 0.03). The prevalence of synchronous/metachronous cancers was 9% (6/67) in MMR-P versus 34.6% (9/26) in MMR-D SBA, with 66.7% (6/9) of these in Lynch syndrome (P = 0.0002). In the MMR-P group, 52.2% (35/67) of patients presented with metastatic disease, compared with 23.1% (6/26) in the MMR-D group (P = 0.008). In MMR-P stage I/II patients, 88.2% (15/17) recurred, compared with 18.2% (2/11) in the MMR-D group (P = 0.0002). CONCLUSIONS When compared with MMR-P SBA, MMR-D SBA was associated with earlier stage disease and lower recurrence rates, similar to observations in colorectal cancer. With a 38.5% prevalence in MMR-D SBA, germline Lynch syndrome testing in MMR-D SBA is warranted.
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Affiliation(s)
- Alicia Latham
- Department of Medicine, Memorial Sloan Kettering Cancer Center, New York, New York.,Weill Cornell Medical College, New York, New York.,Robert and Kate Niehaus Center for Inherited Cancer Genomics, Memorial Sloan Kettering Cancer Center, New York, New York
| | - Jinru Shia
- Department of Pathology, Memorial Sloan Kettering Cancer Center, New York, New York
| | - Zalak Patel
- Department of Medicine, Memorial Sloan Kettering Cancer Center, New York, New York
| | - Diane L Reidy-Lagunes
- Department of Medicine, Memorial Sloan Kettering Cancer Center, New York, New York.,Weill Cornell Medical College, New York, New York
| | - Neil H Segal
- Department of Medicine, Memorial Sloan Kettering Cancer Center, New York, New York.,Weill Cornell Medical College, New York, New York
| | - Rona Yaeger
- Department of Medicine, Memorial Sloan Kettering Cancer Center, New York, New York.,Weill Cornell Medical College, New York, New York
| | - Karuna Ganesh
- Department of Medicine, Memorial Sloan Kettering Cancer Center, New York, New York.,Weill Cornell Medical College, New York, New York
| | - Louise Connell
- Department of Medicine, Memorial Sloan Kettering Cancer Center, New York, New York.,Weill Cornell Medical College, New York, New York
| | - Nancy E Kemeny
- Department of Medicine, Memorial Sloan Kettering Cancer Center, New York, New York.,Weill Cornell Medical College, New York, New York
| | - David P Kelsen
- Department of Medicine, Memorial Sloan Kettering Cancer Center, New York, New York.,Weill Cornell Medical College, New York, New York
| | - Jaclyn F Hechtman
- Department of Pathology, Memorial Sloan Kettering Cancer Center, New York, New York
| | - Garrett M Nash
- Weill Cornell Medical College, New York, New York.,Department of Surgery, Memorial Sloan Kettering Cancer Center, New York, New York
| | - Philip B Paty
- Weill Cornell Medical College, New York, New York.,Department of Surgery, Memorial Sloan Kettering Cancer Center, New York, New York
| | - Ahmet Zehir
- Department of Pathology, Memorial Sloan Kettering Cancer Center, New York, New York
| | - Kaitlin A Tkachuk
- Department of Medicine, Memorial Sloan Kettering Cancer Center, New York, New York
| | - Rania Sheikh
- Department of Medicine, Memorial Sloan Kettering Cancer Center, New York, New York
| | - Arnold J Markowitz
- Department of Medicine, Memorial Sloan Kettering Cancer Center, New York, New York.,Weill Cornell Medical College, New York, New York
| | - Diana Mandelker
- Department of Pathology, Memorial Sloan Kettering Cancer Center, New York, New York
| | - Kenneth Offit
- Department of Medicine, Memorial Sloan Kettering Cancer Center, New York, New York.,Weill Cornell Medical College, New York, New York.,Robert and Kate Niehaus Center for Inherited Cancer Genomics, Memorial Sloan Kettering Cancer Center, New York, New York
| | - Michael F Berger
- Weill Cornell Medical College, New York, New York.,Department of Pathology, Memorial Sloan Kettering Cancer Center, New York, New York.,Human Oncology and Pathogenesis Program, Memorial Sloan Kettering Cancer Center, New York, New York.,Marie Josee and Henry R. Kravis Center for Molecular Oncology, Memorial Sloan Kettering Cancer Center, New York, New York
| | - Andrea Cercek
- Department of Medicine, Memorial Sloan Kettering Cancer Center, New York, New York.,Weill Cornell Medical College, New York, New York
| | - Julio Garcia-Aguilar
- Weill Cornell Medical College, New York, New York.,Department of Surgery, Memorial Sloan Kettering Cancer Center, New York, New York
| | - Leonard B Saltz
- Department of Medicine, Memorial Sloan Kettering Cancer Center, New York, New York.,Weill Cornell Medical College, New York, New York
| | - Martin R Weiser
- Weill Cornell Medical College, New York, New York.,Department of Surgery, Memorial Sloan Kettering Cancer Center, New York, New York
| | - Zsofia K Stadler
- Department of Medicine, Memorial Sloan Kettering Cancer Center, New York, New York. .,Weill Cornell Medical College, New York, New York.,Robert and Kate Niehaus Center for Inherited Cancer Genomics, Memorial Sloan Kettering Cancer Center, New York, New York
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16
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Ito T, Ishida H, Suzuki O, Chika N, Amano K, Ishibashi K, Kamae N, Tada Y, Akagi K, Eguchi H, Okazaki Y. Prevalence and Molecular Characterization of Defective DNA Mismatch Repair in Small-bowel Carcinoma in a Japanese Hospital-based Population. JOURNAL OF THE ANUS RECTUM AND COLON 2020; 4:165-173. [PMID: 33134597 PMCID: PMC7595680 DOI: 10.23922/jarc.2020-026] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.3] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Subscribe] [Scholar Register] [Received: 04/08/2020] [Accepted: 06/04/2020] [Indexed: 12/27/2022]
Abstract
Objectives To investigate the prevalence and molecular characteristics of defective DNA mismatch repair (dMMR) in small-bowel carcinoma (SBC) in a Japanese-hospital population. Methods Immunohistochemistry was performed to evaluate the expression of MMR proteins (MLH1, MSH2, MSH6, and PMS2) in formalin-fixed paraffin-embedded sections prepared from surgically resected primary SBCs from 30 patients during March 2002 to March 2017. Genetic testing for Lynch syndrome was performed in patients who demonstrated MMR protein loss. Results Two of 30 patients (6.7%) demonstrated concomitant loss of MSH2/MSH6 protein expression. Further genetic testing identified a pathogenic MSH2 variant in one of these patients. Conclusions The prevalence of dMMR SBCs in a Japanese hospital-based population seems lower than that reported in previous studies. To determine whether dMMR SBCs might be strongly linked to Lynch syndrome, there is a need for further investigation with a larger sample size.
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Affiliation(s)
- Tetsuya Ito
- Department of Digestive Tract and General Surgery, Saitama Medical Center, Saitama Medical University, Saitama, Japan
| | - Hideyuki Ishida
- Department of Digestive Tract and General Surgery, Saitama Medical Center, Saitama Medical University, Saitama, Japan
| | - Okihide Suzuki
- Department of Digestive Tract and General Surgery, Saitama Medical Center, Saitama Medical University, Saitama, Japan.,Department of Clinical Genomics, Saitama Medical Center, Saitama Medical University, Saitama, Japan
| | - Noriyasu Chika
- Department of Digestive Tract and General Surgery, Saitama Medical Center, Saitama Medical University, Saitama, Japan
| | - Kunihiko Amano
- Department of Digestive Tract and General Surgery, Saitama Medical Center, Saitama Medical University, Saitama, Japan
| | - Keiichiro Ishibashi
- Department of Digestive Tract and General Surgery, Saitama Medical Center, Saitama Medical University, Saitama, Japan
| | - Nao Kamae
- Department of Clinical Genomics, Saitama Medical Center, Saitama Medical University, Saitama, Japan
| | - Yuhki Tada
- Division of Translational Research, Research Center for Genomic Medicine, Saitama Medical University, Saitama, Japan
| | - Kiwamu Akagi
- Division of Molecular Diagnosis and Cancer Prevention, Saitama Cancer Center, Saitama, Japan
| | - Hidetaka Eguchi
- Diagnosis and Therapeutics of Intractable Disease, Juntendo University Graduate School of Medicine, Tokyo, Japan
| | - Yasushi Okazaki
- Diagnosis and Therapeutics of Intractable Disease, Juntendo University Graduate School of Medicine, Tokyo, Japan
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17
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Suerink M, Kilinç G, Terlouw D, Hristova H, Sensuk L, van Egmond D, Farina Sarasqueta A, Langers AMJ, van Wezel T, Morreau H, Nielsen M. Prevalence of mismatch repair deficiency and Lynch syndrome in a cohort of unselected small bowel adenocarcinomas. J Clin Pathol 2020; 74:724-729. [PMID: 33046565 PMCID: PMC8543220 DOI: 10.1136/jclinpath-2020-207040] [Citation(s) in RCA: 6] [Impact Index Per Article: 1.5] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 08/19/2020] [Revised: 08/25/2020] [Accepted: 08/26/2020] [Indexed: 12/11/2022]
Abstract
AIMS Previous estimates of the prevalence of mismatch repair (MMR) deficiency and Lynch syndrome in small bowel cancer have varied widely. The aim of this study was to establish the prevalence of MMR deficiency and Lynch syndrome in a large group of small bowel adenocarcinomas. METHODS To this end, a total of 400 small bowel adenocarcinomas (332 resections, 68 biopsies) were collected through the Dutch nationwide registry of histopathology and cytopathology (Pathologisch-Anatomisch Landelijk Geautomatiseerd Archief (PALGA)). No preselection criteria, such as family history, were applied, thus avoiding (ascertainment) bias. MMR deficiency status was determined by immunohistochemical staining of MMR proteins, supplemented by MLH1 promoter hypermethylation analysis and next generation sequencing of the MMR genes. RESULTS MMR deficiency was observed in 22.3% of resected and 4.4% of biopsied small bowel carcinomas. Prevalence of Lynch syndrome was 6.2% in resections and 0.0% in biopsy samples. Patients with Lynch syndrome-associated small bowel cancer were significantly younger at the time of diagnosis than patients with MMR-proficient and sporadic MMR-deficient cancers (mean age of 54.6 years vs 66.6 years and 68.8 years, respectively, p<0.000). CONCLUSIONS The prevalence of MMR deficiency and Lynch syndrome in resected small bowel adenocarcinomas is at least comparable to prevalence in colorectal cancers, a finding relevant both for treatment (immunotherapy) and family management. We recommend that all small bowel adenocarcinomas should be screened for MMR deficiency.
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Affiliation(s)
| | - Gül Kilinç
- Clinical Genetics, LUMC, Leiden, The Netherlands
| | - Diantha Terlouw
- Clinical Genetics, LUMC, Leiden, The Netherlands.,Pathology, LUMC, Leiden, The Netherlands
| | | | - Lily Sensuk
- Clinical Genetics, LUMC, Leiden, The Netherlands
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Cerretelli G, Ager A, Arends MJ, Frayling IM. Molecular pathology of Lynch syndrome. J Pathol 2020; 250:518-531. [PMID: 32141610 DOI: 10.1002/path.5422] [Citation(s) in RCA: 78] [Impact Index Per Article: 19.5] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 02/09/2020] [Revised: 03/02/2020] [Accepted: 03/03/2020] [Indexed: 12/18/2022]
Abstract
Lynch syndrome (LS) is characterised by predisposition to colorectal, endometrial, and other cancers and is caused by inherited pathogenic variants affecting the DNA mismatch repair (MMR) genes MLH1, MSH2, MSH6, and PMS2. It is probably the most common predisposition to cancer, having an estimated prevalence of between 1/100 and 1/180. Resources such as the International Society for Gastrointestinal Hereditary Cancer's MMR gene variant database, the Prospective Lynch Syndrome Database (PLSD), and the Colon Cancer Family Register (CCFR), as well as pathological and immunological studies, are enabling advances in the understanding of LS. These include defined criteria by which to interpret gene variants, the function of MMR in the normal control of apoptosis, definition of the risks of the various cancers, and the mechanisms and pathways by which the colorectal and endometrial tumours develop, including the critical role of the immune system. Colorectal cancers in LS can develop along three pathways, including flat intramucosal lesions, which depend on the underlying affected MMR gene. This gives insights into the limitations of colonoscopic surveillance and highlights the need for other forms of anti-cancer prophylaxis in LS. Finally, it shows that the processes of autoimmunisation and immunoediting fundamentally constrain the development of tumours in LS and explain the efficacy of immune checkpoint blockade therapy in MMR-deficient tumours. © 2020 Pathological Society of Great Britain and Ireland. Published by John Wiley & Sons, Ltd.
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Affiliation(s)
- Guia Cerretelli
- Division of Pathology, Cancer Research UK Edinburgh Centre, University of Edinburgh, Edinburgh, UK
| | - Ann Ager
- Division of Infection and Immunity, School of Medicine and Systems Immunity Research Institute, Cardiff University, Cardiff, UK
| | - Mark J Arends
- Division of Pathology, Cancer Research UK Edinburgh Centre, University of Edinburgh, Edinburgh, UK
| | - Ian M Frayling
- Inherited Tumour Syndromes Research Group, Institute of Cancer & Genetics, School of Medicine, Cardiff University, Cardiff, UK
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Abstract
The hereditary nature of some forms of cancer was recognized long ago. Over time, recognition of associated findings led to the delineation of numerous hereditary cancer syndromes. Many of these syndromes also have cutaneous manifestations, the recognition of which can lead to their early identification. Recognition of these syndromes allows vigilant surveillance and preemptive treatment, which can dramatically impact the risks of morbidity and mortality for affected patients. The rise of rapid and accurate genetic testing now allows the early identification of asymptomatic at risk family members so that monitoring can be initiated as early as possible. The dermatologist plays a critical role in early identification of these syndromes and, in many cases, their treatment. This review summarizes many known hereditary cancer syndromes with cutaneous findings, their etiology, identification, evaluation, and management. Importantly, this is an ever evolving topic and new findings and syndromes will continue to be recognized. The dermatologist must be always alert to ensure they are detected.
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Affiliation(s)
- Ryan Ladd
- Department of Dermatology, University of Missouri School of Medicine, Columbia, Missouri, USA
| | - Matthew Davis
- Department of Dermatology, University of Missouri School of Medicine, Columbia, Missouri, USA
| | - Jonathan A Dyer
- Department of Dermatology, University of Missouri School of Medicine, Columbia, Missouri, USA.
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Jun SY, Park ES, Lee JJ, Chang HK, Jung ES, Oh YH, Hong SM. Prognostic Significance of Stromal and Intraepithelial Tumor-Infiltrating Lymphocytes in Small Intestinal Adenocarcinoma. Am J Clin Pathol 2020; 153:105-118. [PMID: 31576398 DOI: 10.1093/ajcp/aqz136] [Citation(s) in RCA: 8] [Impact Index Per Article: 2.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/18/2022] Open
Abstract
OBJECTIVES Assessment of tumor-infiltrating lymphocytes (TILs) may predict the prognosis and therapeutic benefit of immunotherapy in small intestinal adenocarcinoma (SIAC) patients. METHODS TILs were evaluated in 231 surgically resected SIACs and compared with microsatellite instability (MSI) and clinicopathologic variables. The average number of intraepithelial TILs (iTILs) and the average density of stromal TILs (sTILs) were calculated separately. RESULTS High iTIL count (≥2 per high-power field) was associated with MSI-high, whereas high sTIL density (≥20% on ×200 magnification) was not. High iTIL count and high sTIL density were related to distal tumor location, medullary carcinoma, high Crohn-like lymphoid reaction counts, and fewer pancreatic invasions. SIAC patients with high iTIL count or high sTIL density had better survival than those with low values. On multivariate analysis, MSI, high sTIL density, proximal locations, lower N category, and absence of lymphovascular invasions and retroperitoneal seeding were the best independent prognostic predictors. CONCLUSIONS High sTIL density can be used as a prognostic indicator and high iTIL count may provide a basis for the clinical use of targeted immunotherapy in SIAC patients.
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Affiliation(s)
- Sun-Young Jun
- Department of Pathology, Incheon St Mary’s Hospital, College of Medicine, The Catholic University of Korea, Seoul, Republic of Korea
| | - Eun Su Park
- Department of Pathology, Incheon St Mary’s Hospital, College of Medicine, The Catholic University of Korea, Seoul, Republic of Korea
| | - Jae Jun Lee
- Department of Pathology, Good Morning Hospital, Pyeongtaek, Republic of Korea
| | - Hee-Kyung Chang
- Department of Pathology, Kosin University College of Medicine, Pusan, Republic of Korea
| | - Eun Sun Jung
- Department of Pathology, Seoul St Mary’s Hospital, College of Medicine, The Catholic University of Korea, Seoul, Republic of Korea
| | - Young-Ha Oh
- Department of Pathology, Hanyang University College of Medicine, Guri, Republic of Korea
| | - Seung-Mo Hong
- Department of Pathology, Asan Medical Center, University of Ulsan College of Medicine, Seoul, Republic of Korea
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Barsouk A, Rawla P, Barsouk A, Thandra KC. Epidemiology of Cancers of the Small Intestine: Trends, Risk Factors, and Prevention. Med Sci (Basel) 2019; 7:E46. [PMID: 30884915 PMCID: PMC6473503 DOI: 10.3390/medsci7030046] [Citation(s) in RCA: 31] [Impact Index Per Article: 6.2] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 02/22/2019] [Revised: 03/14/2019] [Accepted: 03/14/2019] [Indexed: 12/24/2022] Open
Abstract
The latest data from the United States and Europe reveal that rare small intestine cancer is on the rise, with the number of cases having more than doubled over the past 40 years in the developed world. Mortality has grown at a slower pace, thanks to improvements in early diagnosis and treatment, as well as a shift in the etiology of neoplasms affecting the small intestine. Nevertheless, 5-year survival for small intestine adenocarcinomas has lingered at only 35%. Lifestyle in developed nations, including the rise in obesity and physical inactivity, consumption of alcohol, tobacco, and red and processed meats, and occupational exposures may be to blame for the proliferation of this rare cancer. Identification of hereditary and predisposing conditions, likely to blame for some 20% of cases, may help prevent and treat cancers of the small intestine. Studies of the neoplasm have been limited by small sample sizes due to the rarity of the disease, leaving many questions about prevention and treatment yet to be answered.
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Affiliation(s)
- Adam Barsouk
- Hillman Cancer Center, University of Pittsburgh, Pittsburgh, PA 15232, USA.
| | - Prashanth Rawla
- Department of Medicine, Sovah Health, Martinsville, VA 24112, USA.
| | - Alexander Barsouk
- Hematologist-Oncologist, Allegheny Health Network, Pittsburgh, PA 15212, USA.
| | - Krishna Chaitanya Thandra
- Department of Pulmonary and Critical Care Medicine, Sentara Virginia Beach General Hospital, Virginia Beach, VA 23454, USA.
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Shin SJ, Park H, Sung YN, Yoo C, Hwang DW, Park JH, Kim KP, Lee SS, Ryoo BY, Seo DW, Kim SC, Hong SM. Prognosis of Pancreatic Cancer Patients with Synchronous or Metachronous Malignancies from Other Organs Is Better than Those with Pancreatic Cancer Only. Cancer Res Treat 2018; 50:1175-1185. [PMID: 29268568 PMCID: PMC6192923 DOI: 10.4143/crt.2017.494] [Citation(s) in RCA: 13] [Impact Index Per Article: 2.2] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 10/16/2017] [Accepted: 12/11/2017] [Indexed: 12/12/2022] Open
Abstract
PURPOSE Pancreatic cancer associated double primary tumors are rare and their clinicopathologic characteristics are not well elucidated. MATERIALS AND METHODS Clinicopathologic factors of 1,352 primary pancreatic cancers with or without associated double primary tumors were evaluated. RESULTS Of resected primary pancreatic cancers, 113 (8.4%) had associated double primary tumors, including 26 stomach, 25 colorectal, 18 lung, and 13 thyroid cancers. The median interval between the diagnoses of pancreatic cancer and associated double primary tumors was 0.5 months. Overall survival (OS) of pancreatic cancer patients with associated double primary tumors was longer than those with pancreatic cancer only (median, 23.1 months vs. 17.0 months, p=0.002). Patients whose pancreatic cancers were resected before the diagnosis of metachronous tumors had a better OS than patients whose pancreatic cancer resected after the diagnosis of metachronous tumors (48.9 months and 13.5 months, p=0.001) or those whose pancreatic cancers were resected synchronously with non-pancreas tumors (19.1 months, p=0.043). The OS of pancreatic cancer patients with stomach (33.9 months, p=0.032) and thyroid (117.8 months, p=0.049) cancers was significantly better than those with pancreas cancer only (17.0 months). CONCLUSION About 8% of resected pancreatic cancers had associated double primary tumors, and those from the colorectum, stomach, lung, and thyroid were common. Patients whose pancreatic cancer was resected before the diagnosis of metachronous tumors had better OS than those resected after the diagnosis of metachronous tumors or those resected synchronously.
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Affiliation(s)
- Su-Jin Shin
- Department of Pathology, Hanyang University College of Medicine, Seoul, Korea
| | - Hosub Park
- Department of Pathology, Asan Medical Center, University of Ulsan College of Medicine, Seoul, Korea
| | - You-Na Sung
- Department of Pathology, Asan Medical Center, University of Ulsan College of Medicine, Seoul, Korea
| | - Changhoon Yoo
- Department of Oncology, Asan Medical Center, University of Ulsan College of Medicine, Seoul, Korea
| | - Dae Wook Hwang
- Department of Surgery, Asan Medical Center, University of Ulsan College of Medicine, Seoul, Korea
| | - Jin-hong Park
- Department of Radiation Oncology, Asan Medical Center, University of Ulsan College of Medicine, Seoul, Korea
| | - Kyu-pyo Kim
- Department of Oncology, Asan Medical Center, University of Ulsan College of Medicine, Seoul, Korea
| | - Sang Soo Lee
- Department of Gastroenterology, Asan Medical Center, University of Ulsan College of Medicine, Seoul, Korea
| | - Baek-Yeol Ryoo
- Department of Oncology, Asan Medical Center, University of Ulsan College of Medicine, Seoul, Korea
| | - Dong-Wan Seo
- Department of Gastroenterology, Asan Medical Center, University of Ulsan College of Medicine, Seoul, Korea
| | - Song Cheol Kim
- Department of Surgery, Asan Medical Center, University of Ulsan College of Medicine, Seoul, Korea
| | - Seung-Mo Hong
- Department of Pathology, Asan Medical Center, University of Ulsan College of Medicine, Seoul, Korea
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Sammour T, Messick CA. Management of small bowel and pouch neoplasia in hereditary colorectal cancer syndromes. SEMINARS IN COLON AND RECTAL SURGERY 2018. [DOI: 10.1053/j.scrs.2018.06.004] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/11/2022]
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Azizi AH, Inam ZS, Farrell TJ. Patient with Lynch syndrome with subsequent development of small bowel adenocarcinoma. BMJ Case Rep 2018; 2018:bcr-2018-225003. [PMID: 29866690 DOI: 10.1136/bcr-2018-225003] [Citation(s) in RCA: 4] [Impact Index Per Article: 0.7] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 01/07/2023] Open
Abstract
Small bowel adenocarcinoma (SBA) is a rare cancer in the general population, but the incidence increases in patients with Lynch syndrome. The present case describes a 57-year-old white woman with a history of colon cancer status posthemicolectomy and diagnosis of Lynch syndrome. Twenty years after her operation, the patient presented with vague abdominal discomfort and constipation, and underwent an exploratory laparotomy which revealed a stage 3A SBA. Genetic testing of the specimen provided evidence of microsatellite instability and faulty DNA repair supporting aetiology of Lynch syndrome. This case is unique in that SBA, if present in patients with Lynch syndrome, is usually a presenting symptom and has not been widely described in literature as an occurrence so many years after. As a result, this case highlights the importance of a low threshold for a thorough evaluation in patients with Lynch syndrome who present with signs of small bowel obstruction.
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Affiliation(s)
| | - Zaina S Inam
- Geisinger Commonwealth School of Medicine, Scranton, Pennsylvania, USA
| | - Timothy J Farrell
- Surgery, Geisinger Community Medical Center, Scranton, Pennsylvania, USA
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Jun SY, Hong SM, Bae YK, Kim HK, Jang KY, Eom DW. Clinicopathological and prognostic significance of heme oxygenase-1 expression in small intestinal adenocarcinomas. Pathol Int 2018. [PMID: 29537718 DOI: 10.1111/pin.12657] [Citation(s) in RCA: 6] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/30/2022]
Abstract
Heme oxygenase-1 (HO-1), a stress-response protein, is highly induced in various carcinomas. It is implicated in carcinogenesis and tumor progression. High HO-1 expression is associated with better prognosis of patients with colorectal and gastric cancers. Induction or inhibition of HO-1 can mediate chemo-sensitivity, therefore it might be a therapeutic target to develop anticancer agents. To define the clinicopathological and prognostic significance of HO-1 expression in small-intestinal adenocarcinomas (SIACs), immunohistochemical microarray analysis of HO-1 expression was performed for 191 surgically resected SIAC cases and results were compared with various clinicopathologic variables, including survival. HO-1 was highly expressed in 127 (66.5%) cases. Patients with high HO-1 expression were associated with younger age (P = 0.048), lower pT category (P = 0.017), and less pancreatic invasion (P = 0.047). Patients with high HO-1 expression tended to have longer overall survival (median, 38.5 months) than those with low HO-1 expression (24.5 months), although the difference in overall survival was not statistically significant (P = 0.677). In summary, high HO-1 expression is frequently observed in SIACs. It is related to favorable clinicopathologic parameters, including younger age, lower T category, and less pancreatic invasion. Therefore, HO-1 may serve as a prognostic marker and a new target to modulate chemotherapeutic effects in patients with SIACs.
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Affiliation(s)
- Sun-Young Jun
- Department of Pathology, Incheon St. Mary's Hospital, The Catholic University of Korea, Incheon, Republic of Korea
| | - Seung-Mo Hong
- Department of Pathology, University of Ulsan College of Medicine, Asan Medical Center, Seoul, Republic of Korea
| | - Young Kyung Bae
- Department of Pathology, Yeungnam University College of Medicine, Daegu, Republic of Korea
| | - Hee Kyung Kim
- Department of Pathology, Soonchunhyang University Bucheon Hospital, Bucheon, Republic of Korea
| | - Kyu Yun Jang
- Department of Pathology, Chonbuk National University Medical School, Jeonju, Republic of Korea
| | - Dae Woon Eom
- Department of Pathology, University of Ulsan College of Medicine, Gangneung Asan Hospital, Gangneung, Republic of Korea
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