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Kim SJ, Hah SI, Kwak JY, Choi JW, Cho HC, Ha CY, Jung WT, Lee OJ, Lee CM. Langerhans Cell Histiocytosis with the Synchronous Invasion of Stomach and Colon in an Adult Patient: A Case Report. THE KOREAN JOURNAL OF GASTROENTEROLOGY = TAEHAN SOHWAGI HAKHOE CHI 2022; 80:149-153. [PMID: 36156038 DOI: 10.4166/kjg.2022.047] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Received: 03/20/2022] [Revised: 07/02/2022] [Accepted: 07/17/2022] [Indexed: 06/16/2023]
Abstract
Langerhans cell histiocytosis (LCH) is reported less frequently in adults than in children. The most common site of involvement in adults is the bone, accounting for 30-50% of cases. The gastrointestinal tract is very rare, accounting for approximately 2%. We present a case of Langerhans cell histiocytosis that simultaneously invaded multiple organs, including the stomach and colon, in an adult. A 37-year-old woman with no underlying disease complained of chest discomfort and a palpable right submandibular mass. A right Level II neck mass and mediastinal LN enlargement were confirmed on the pharynx and chest CT scan. Multiple subepithelial masses with central ulceration and erosion were observed in the corpus and fundus on the esophagogastroduodenoscopy and in the right colon on the colonoscopy. The histopathology findings were the same in each tissue biopsied from the stomach, colon, and right neck lymph nodes. Langerhans cells with classical reniform nuclei and prominent eosinophils invaded the normal glands, and S100 and CD1a were positive in the immunohistochemical stain. Gastrointestinal involvement of LCH in adults is rare, asymptomatic,and can involve multiple digestive organs simultaneously, so upper endoscopy and colonoscopy should be considered for a diagnosis.
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Affiliation(s)
- Seong Je Kim
- Department of Internal Medicine, Gyeongsang National University Hospital, Gyeongsang National University College of Medicine, Korea
| | - Se In Hah
- Department of Internal Medicine, Gyeongsang National University Hospital, Gyeongsang National University College of Medicine, Korea
| | - Ji Yoon Kwak
- Department of Internal Medicine, Gyeongsang National University Hospital, Gyeongsang National University College of Medicine, Korea
| | - Jung Woo Choi
- Department of Internal Medicine, Gyeongsang National University Hospital, Gyeongsang National University College of Medicine, Korea
| | - Hyun Chin Cho
- Department of Internal Medicine, Gyeongsang National University Hospital, Gyeongsang National University College of Medicine, Korea
- Institute of Health Sciences, Gyeongsang National University, Jinju, Korea
| | - Chang Yoon Ha
- Department of Internal Medicine, Gyeongsang National University Hospital, Gyeongsang National University College of Medicine, Korea
- Institute of Health Sciences, Gyeongsang National University, Jinju, Korea
| | - Woon Tae Jung
- Department of Internal Medicine, Gyeongsang National University Hospital, Gyeongsang National University College of Medicine, Korea
- Institute of Health Sciences, Gyeongsang National University, Jinju, Korea
| | - Ok Jae Lee
- Department of Internal Medicine, Gyeongsang National University Hospital, Gyeongsang National University College of Medicine, Korea
- Institute of Health Sciences, Gyeongsang National University, Jinju, Korea
| | - Chang Min Lee
- Department of Internal Medicine, Gyeongsang National University Hospital, Gyeongsang National University College of Medicine, Korea
- Institute of Health Sciences, Gyeongsang National University, Jinju, Korea
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Xu J, Gilbert JR, Sutton KS, Goudy SL, Abramowicz S. Head and Neck Langerhans Cell Histiocytosis in Children. J Oral Maxillofac Surg 2021; 80:545-552. [PMID: 34852246 DOI: 10.1016/j.joms.2021.10.014] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 08/06/2021] [Revised: 10/25/2021] [Accepted: 10/26/2021] [Indexed: 11/26/2022]
Abstract
PURPOSE Controversy exists among head and neck surgical specialties regarding management of Langerhan's Cell Histiocytosis (LCH). The purpose of this study was to evaluate diagnosis, management, and treatment outcomes in children with LCH of the head and neck. METHODS This is a retrospective cohort study of children with LCH of the head and neck who presented to Children's Healthcare of Atlanta hospital from 2009 to 2021. The independent variables were demographic information, lesion locations, clinical presentation, radiographic findings, diagnostic workup, treatment, and length of follow-up. The patients were grouped based on these variables. The outcome variable was disease reactivation. Descriptive statistics were calculated. RESULTS There were 3 presentations of LCH of the head and neck. Group 1 presented as a lesion in 1 system without CNS risk (SS-). There were 24 patients with an average age of 10 years. Lesions were located in calvaria and/or mandible. Majority of the patients were treated with only debridement. Two of the patients experienced reactivation. Group 2 presented as a lesion in 1 system with CNS risk (SS+). There were 30 patients with an average age of 6 years. Common locations were temporal bone and/or orbit. These patients present with recurrent ear infections and ptosis. Majority of the patients were treated with chemotherapy (n = 28). One patient had disease reactivation. Group 3 presented with multisystem involvement. There were 13 patients with an average age of 2 years. LCH was found in skin and the lymphatic system. Imaging demonstrated extracranial organ involvement. All of them were treated with chemotherapy. There was 40% reactivation of LCH. CONCLUSIONS Treatment of LCH depends on presentation. SS- subgroup can be adequately treated via surgical debridement. SS+ and multisystem groups benefit from an early disease diagnosis and require chemotherapy.
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Affiliation(s)
- Joyce Xu
- Resident in Training, Oral and Maxillofacial Surgery, Department of Surgery, Emory University School of Medicine, Atlanta, Georgia
| | - Julie R Gilbert
- Fellow in Hematology and Oncology, Department of Pediatrics, Emory University School of Medicine, Children's Healthcare of Atlanta, Atlanta, Georgia
| | - Kathryn S Sutton
- Assistant Professor, Division of Hematology and Oncology, Department of Pediatrics, Emory University School of Medicine, Children's Healthcare of Atlanta, Atlanta, Georgia
| | - Steven L Goudy
- Professor and Chief, Division of Pediatric Otolaryngology, Department of Otolaryngology, Emory University School of Medicine, Children's Healthcare of Atlanta, Atlanta, Georgia
| | - Shelly Abramowicz
- Associate Professor in Oral and Maxillofacial Surgery and Pediatrics, Department of Surgery, Emory University School of Medicine, Chief of Oral and Maxillofacial Surgery, Children's Healthcare of Atlanta, Atlanta, Georgia.
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Hamdan M, Qiao JC, Fikfak V. Adult-onset perianal Langerhans cell histiocytosis presenting as pruritus ani: a case report and review of the literature. J Med Case Rep 2021; 15:357. [PMID: 34289900 PMCID: PMC8296744 DOI: 10.1186/s13256-021-02924-0] [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: 01/20/2021] [Accepted: 05/24/2021] [Indexed: 11/23/2022] Open
Abstract
Background Langerhans cells belong to the histiocytic system and give rise to two tumors: Langerhans cell histiocytosis and Langerhans cell sarcoma. Clinical aggressiveness and degree of atypia distinguish the two neoplasms. Langerhans cell histiocytosis can infiltrate a single or multiple organ systems and particularly affects bone, skin, and lymph nodes. Perianal cutaneous Langerhans cell histiocytosis is a rare condition in adults, with 15 cases reported in the literature. Case We present the case of a 50-year-old hispanic man who presented with a 9-month history of pruritus ani and a personal history of diabetes insipidus. Punch biopsy confirmed a lesion of Langerhans cells origin but could not exclude Langerhans cell sarcoma because of limited sample size. An additional biopsy was planned as well as a positron emission tomography scan to determine the extent of disease spread. While the patient failed to follow up for repeat biopsy, the positron emission tomography scan was performed and was negative for metastatic disease. A stable perianal lesion of Langerhans cell histiocytosis with benign clinical features in a 50-year-old male despite lack of treatment is extremely rare and has not been described in the literature so far. Here, we review the presentation and workup of patients with Langerhans cell histiocytosis, review the relevant literature, and discuss treatment planning. Conclusion Perianal Langerhans cell histiocytosis is rare, and there should be a high index of suspicion with chronic or new perianal lesions, especially in a patient with a history of diabetes insipidus. It is also important to consider the patient’s full clinical course when it is not possible to reach a definitive pathological diagnosis before management.
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Affiliation(s)
- Marah Hamdan
- Departments of Surgery, Texas Tech University Health Sciences Center, El Paso, TX, USA.
| | - Jesse C Qiao
- Pathology at Texas Tech University Health Sciences Center, El Paso, TX, USA
| | - Vid Fikfak
- Departments of Surgery, Texas Tech University Health Sciences Center, El Paso, TX, USA
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Mishra A, Gyawali S, Kharel S, Mishra A, Kuikel S, Pathak N, Gurung A. Incidental finding of Langerhans cell histiocytosis of temporoparietal bone - A case report. Int J Surg Case Rep 2021; 85:106179. [PMID: 34274753 PMCID: PMC8319439 DOI: 10.1016/j.ijscr.2021.106179] [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: 05/28/2021] [Revised: 07/02/2021] [Accepted: 07/06/2021] [Indexed: 11/29/2022] Open
Abstract
Introduction and importance Langerhans cell histiocytosis (LCH) is a rare haematological disorder affecting infants and young children and has an estimated incidence of 2-5 cases per million people per year. LCH invades the reticuloendothelial system and causes the proliferation of Langerhans cells and mature eosinophils. LCH involving the temporoparietal bone has rarely been reported in the literature. Presentation of case A ten-year-old boy presented to the Neurosurgical outpatient clinic with a swelling on the right temporoparietal region following a fall from his bicycle. Local examination revealed a single, 3 × 3 cm, non-tender, cystic, immobile swelling in the right temporoparietal region. On evaluation for recent head trauma, an incidental finding of eosinophilic granuloma was discovered on a CT scan. The FNAC was suggestive of a histiocytic lesion pertaining to a diagnosis of LCH. The patient underwent wide excision of the mass and cranioplasty. A one-month follow-up CT scan of the head had no evidence of residual or recurrent disease. Discussion Eosinophilic granuloma is one of the three variants of LCH and has a relatively better prognosis. Clinical diagnosis can be challenging and mandates tissue sampling for histopathological examination. Treatment modalities including surgery, radiotherapy, chemotherapy, and steroid injection are used alone, or in combination, depending on the extent and severity of the disease. Conclusion Examining a swelling in the temporoparietal region with no other characteristic symptoms could be a case of LCH. The timely diagnosis and surgical excision with other adjuvant treatment options of this rare pediatric disease would help in a better outcome. Langerhans cell histiocytosis can present as a mass in the temporal or parietal region with no symptoms otherwise. The etiology of Langerhans cell histiocytosis is still unknown and diagnosis can be challenging. The prognosis depends greatly on early identification and prompt surgical treatment.
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Affiliation(s)
- Aakash Mishra
- Kathmandu Medical College Teaching Hospital, Kathmandu, Nepal.
| | - Sandesh Gyawali
- Department of General Surgery, National Academy of Medical Sciences, Bir Hospital, Kathmandu, Nepal
| | - Sanjeev Kharel
- Maharajgunj Medical Campus, Institute of Medicine, Maharajgunj, Kathmandu, Nepal.
| | - Aman Mishra
- Maharajgunj Medical Campus, Institute of Medicine, Maharajgunj, Kathmandu, Nepal.
| | - Sandip Kuikel
- Maharajgunj Medical Campus, Institute of Medicine, Maharajgunj, Kathmandu, Nepal.
| | - Nibesh Pathak
- Maharajgunj Medical Campus, Institute of Medicine, Maharajgunj, Kathmandu, Nepal.
| | - Ashim Gurung
- Department of Neurosurgery, Maharajgunj Medical Campus, Institute of Medicine, Kathmandu, Nepal
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Cherian LM, Sasikumar D, Sathyan P, Varghese BE. Langerhans cell histiocytosis: A diagnostic enigma in the oral cavity. J Oral Maxillofac Pathol 2021; 25:S27-S31. [PMID: 34083966 PMCID: PMC8123262 DOI: 10.4103/jomfp.jomfp_296_20] [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: 07/15/2020] [Revised: 12/15/2020] [Accepted: 01/29/2021] [Indexed: 11/04/2022] Open
Abstract
Langerhans cell histiocytosis (LCH) is a rare reactive and proliferative disease of histiocytes. The disease occurs predominantly in children and rarely in adults. This disease of unknown etiology exhibits extreme clinical heterogeneity. Even though LCH manifests initially in the oral cavity in most of the cases, owing to the relative rarity of the condition, it remains a disease in which the diagnosis is often delayed, missed or misdiagnosed. This is a case of LCH in a child which presented with swelling in the mandibular region.
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Affiliation(s)
- Latha Mary Cherian
- Department of Oral Pathology and Microbiology, Government Dental College, Kottayam, Kerala, India
| | - Dhanya Sasikumar
- Department of Oral Pathology and Microbiology, Government Dental College, Kottayam, Kerala, India
| | - Pradeesh Sathyan
- Department of Oral Pathology and Microbiology, Government Dental College, Kottayam, Kerala, India
| | - Binuja Elsa Varghese
- Department of Oral Pathology and Microbiology, Government Dental College, Kottayam, Kerala, India
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Chugh A, Kaur A, Kumar Patnana A, Kumar P, Chugh VK. Unisystem Langerhans cell histiocytosis in maxillofacial region in pediatrics: comprehensive and systematic review. Oral Maxillofac Surg 2021; 25:429-444. [PMID: 33591444 DOI: 10.1007/s10006-021-00949-9] [Citation(s) in RCA: 5] [Impact Index Per Article: 1.7] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 10/08/2020] [Accepted: 02/01/2021] [Indexed: 12/13/2022]
Abstract
BACKGROUND The study aimed to identify, enlist, and analyze cases of unisystem LCH in the maxillofacial pediatric population to understand the clinical presentation and encourage the consideration of this rare disease in the differential diagnosis. Langerhans cell histiocytosis (LCH) is an aggressive benign condition affecting mainly the pediatric population. It can be easily masked as periodontal disease in the maxillofacial region. Early diagnosis and a systemic evaluation are of utmost importance. METHODOLOGY We are presenting a complete review of literature in the pediatric population according to PRISMA guidelines for clinicopathologic, histopathological, immunohistochemistry, and treatment for unisystem LCH. The risk of bias assessment across studies was done using a Case series appraisal checklist by Guo et al. 53 RESULTS: Forty-nine articles (152 cases) were selected which met our inclusion and exclusion criteria to be included in our review. Most of the patients fall in 6-12 years of age with the involvement of the mandibular body region in 40.79% cases. This disease mainly presents as erythematous gingiva, pain, swelling, and mobile teeth. Management can range from minimal intervention to chemotherapy and surgery. CONCLUSION AND PRACTICAL IMPLICATIONS Although this is a rare condition, it should be considered especially in the pediatric population with periodontitis type lesions and floating teeth and comprehensive management should be followed. Early diagnosis of the disease is very important.
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Affiliation(s)
- Ankita Chugh
- Oral and maxillofacial surgery, Department of Dentistry, All India Institute of Medical Sciences, Jodhpur, Rajasthan, India
- Department of Dentistry, All India Institute of Medical Sciences, Jodhpur, Rajasthan, India
| | - Amanjot Kaur
- Oral and maxillofacial surgery, Department of Dentistry, All India Institute of Medical Sciences, Jodhpur, Rajasthan, India.
| | - Arun Kumar Patnana
- Department of Dentistry, All India Institute of Medical Sciences, Jodhpur, Rajasthan, India
| | - Pravin Kumar
- Department of Dentistry, All India Institute of Medical Sciences, Jodhpur, Rajasthan, India
| | - Vinay Kumar Chugh
- Department of Dentistry, All India Institute of Medical Sciences, Jodhpur, Rajasthan, India
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7
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Sedoikin AG, Kiselnikova LP, Drobotko LN. [Oral markers of histiocytosis-x from Langerhans cells in a 13-year-old child]. STOMATOLOGII︠A︡ 2020; 99:52-56. [PMID: 32692520 DOI: 10.17116/stomat20209904152] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 11/17/2022]
Abstract
Langerhanscell histiocytosis is an orphan disease based on clonal proliferation of pathologic histocytes and specific infiltrates in various organs and tissues. In case of localization of pathologic foci in the sponge substances of the flat bones of the lower jaw the disease brings on morphological changes and neurological symptoms typical of dental pulp diseases. Early diagnosis of latent neoplastic processes in the TMJ area in children in the clinic allows us to minimize the volume of surgery and start the treatment of the main disease in time that improves a child's quality of life.
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Affiliation(s)
- A G Sedoikin
- Moscow State Medical Stomatological University named after A.I. Evdokimov Ministry of Health of the Russian Federation, Moscow, Russia
| | - L P Kiselnikova
- Moscow State Medical Stomatological University named after A.I. Evdokimov Ministry of Health of the Russian Federation, Moscow, Russia
| | - L N Drobotko
- Moscow State Medical Stomatological University named after A.I. Evdokimov Ministry of Health of the Russian Federation, Moscow, Russia
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8
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Hammouri EH, Sweidan HA, AShokaibi O, Al Omari L. Langerhans cell histiocytosis: A case report with oral manifestations and the role of pediatric dentists in the diagnosis. Clin Case Rep 2020; 8:545-549. [PMID: 32185056 PMCID: PMC7069888 DOI: 10.1002/ccr3.2726] [Citation(s) in RCA: 2] [Impact Index Per Article: 0.5] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 09/13/2019] [Revised: 11/23/2019] [Accepted: 12/24/2019] [Indexed: 12/14/2022] Open
Abstract
Langerhans cell histiocytosis (LCH) is a benign disease that behaves malignantly. Early recognition and treatment of oral manifestation of LCH by pediatric dentist and other medical specialties is important to prevent further organ damage.
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Parameswaran V, Bano S. Langerhans cell histiocytosis of the mandible – A rare case report. JOURNAL OF THE INTERNATIONAL CLINICAL DENTAL RESEARCH ORGANIZATION 2020. [DOI: 10.4103/jicdro.jicdro_50_19] [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] Open
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10
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Rao S, Hegde S, Thilak PSG, Babu GS, Ajila V, Shetty U, Buch SA. Langerhans Cell Histiocytosis in a 5-Year-Old Girl: A Case Report and Review of Literature. Indian J Med Paediatr Oncol 2019. [DOI: 10.4103/ijmpo.ijmpo_258_17] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.2] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/04/2022] Open
Abstract
AbstractLangerhans cell histiocytosis (LCH) is an uncommon hematological disorder affecting infants and young children. LCH is a rare disorder of the reticuloendothelial system associated with proliferation of Langerhans cells and mature eosinophils. LCH can involve any bone, but the most common are pelvis, ribs, skull, long bones, vertebra, and facial bones. In the skull, frontal and parietal bones are commonly involved followed by the jaws, where mandible is more commonly affected than the maxilla. In this article, we report a case of LCH in a 5-year-old child involving the mandible. Swelling of one side of the face and aggressive periosteal reaction led to the diagnosis of monostotic LCH. The manuscript also summarizes the results of a literature search in PubMed of reported cases of LCH over the past 10 years.
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Affiliation(s)
- Shruthi Rao
- Consultant, General Dental Practitioner, Mangala Health Centre, Padil, Karnataka, India
| | - Shruthi Hegde
- Departments of Oral Medicine and Radiology, A B Shetty Memorial Institute of Dental Sciences, Nitte Deemed to be University, Karnataka, India
| | - PS Gopinath Thilak
- Departments of Oral and Maxillofacial Surgery and Oral Pathology and Microbiology, A B Shetty Memorial Institute of Dental Sciences, Nitte Deemed to be University, Karnataka, India
| | - G Subhas Babu
- Departments of Oral Medicine and Radiology, A B Shetty Memorial Institute of Dental Sciences, Nitte Deemed to be University, Karnataka, India
| | - Vidya Ajila
- Departments of Oral Medicine and Radiology, A B Shetty Memorial Institute of Dental Sciences, Nitte Deemed to be University, Karnataka, India
| | - Urvashi Shetty
- Departments of Oral Pathology and Microbiology, A B Shetty Memorial Institute of Dental Sciences, Nitte Deemed to be University, Karnataka, India
| | - Sajad Ahmad Buch
- Departments of Research Scholar, Yenepoya Dental College, Yenopoya (Deemed to be) University, Mangaluru, Karnataka, India
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Mahmood S, Raza M, Nusrat K, Marsia S, Abbas A. Infiltrating the Heart and Kidney: A Rare Pediatric Case of Multisystem Langerhans Cell Histiocytosis from Pakistan. Cureus 2019; 11:e4315. [PMID: 31183295 PMCID: PMC6538118 DOI: 10.7759/cureus.4315] [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] [Indexed: 11/16/2022] Open
Abstract
Langerhans cell histiocytosis (LCH) is a rare, clonal disease of the monocyte-macrophage system, varying in its clinical presentation from mere self-healing skin and bone lesions to life-threatening multi-system disease. In descending order of frequency, the disease is known to involve the skeleton, skin, lymph nodes and lesser often, the liver, spleen, lungs, hematopoietic and central nervous systems. Here, we present a pediatric case of multi-system LCH in a five-year-old child, unique in its evident cardiac and renal involvement alongside other organ systems and important in how the diagnosis was aided by a fine needle aspiration cytology instead of the costlier histopathological procedures, in a setting with limited resources.
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Affiliation(s)
- Samar Mahmood
- Internal Medicine, Dow University of Health Sciences (DUHS), Karachi, PAK
| | - Mohammad Raza
- Pediatrics, Dow University of Health Sciences (DUHS), Karachi, PAK
| | - Khushboo Nusrat
- Internal Medicine, Dow University of Health Sciences (DUHS), Karachi, PAK
| | - Shayan Marsia
- Internal Medicine, Dow University of Health Sciences (DUHS), Karachi, PAK
| | - Awais Abbas
- Pediatrics, Dow University of Health Sciences (DUHS), Karachi, PAK
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Nangalia R, Chatterjee RP, Kundu S, Pal M. Langerhans Cell Histiocytosis in an Adult with Oral Cavity Involvement: Posing a Diagnostic Challenge. Contemp Clin Dent 2019; 10:154-157. [PMID: 32015659 PMCID: PMC6974994 DOI: 10.4103/ccd.ccd_432_18] [Citation(s) in RCA: 6] [Impact Index Per Article: 1.2] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/19/2022] Open
Abstract
Langerhans cell histiocytosis (LCH) is a rare hematological disorder characterized by local or generalized, uncontrolled proliferation and infiltration of Langerhans type of histiocytic cells. It represents a spectrum of clinicopathologic disorders, ranging from a highly aggressive and frequently fatal multisystem disease to an easily cured solitary lesion of bone. Involvement of children and the younger age group is more common than the adults. Oral cavity involvement occurs early in LCH, but the initial symptoms are generally nonspecific, often causing misdiagnosis. This report describes a rare case of chronic localized LCH in an adult patient, with involvement of oral cavity. A 34-year-old male patient presented with multiple nodulo-papular, ulcerated lesions in gingiva involving both the jaws (primarily mandible) and the left buccal mucosa, in addition to regional teeth mobility. The most striking feature was that even after extraction of mobile teeth, the lesions persisted. After recording proper history, performing clinical and radiological evaluation, an incisional biopsy was performed followed by histopathology and immunohistochemistry to reach a confirmatory diagnosis of LCH, thereby implementing early and appropriate initiation of treatment.
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Affiliation(s)
- Richa Nangalia
- Department of Oral and Maxillofacial Pathology, Guru Nanak Institute of Dental Sciences and Research, Kolkata, West Bengal, India
| | | | - Sanchita Kundu
- Department of Oral and Maxillofacial Pathology, Guru Nanak Institute of Dental Sciences and Research, Kolkata, West Bengal, India
| | - Mousumi Pal
- Department of Oral and Maxillofacial Pathology, Guru Nanak Institute of Dental Sciences and Research, Kolkata, West Bengal, India
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Li W, Zhu D, Qin S. SIRT7 suppresses the epithelial-to-mesenchymal transition in oral squamous cell carcinoma metastasis by promoting SMAD4 deacetylation. J Exp Clin Cancer Res 2018; 37:148. [PMID: 30001742 PMCID: PMC6044017 DOI: 10.1186/s13046-018-0819-y] [Citation(s) in RCA: 35] [Impact Index Per Article: 5.8] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 05/09/2018] [Accepted: 06/28/2018] [Indexed: 12/15/2022] Open
Abstract
BACKGROUND Oral squamous cell carcinoma (OSCC) is one of the most common malignancies and has a poor prognosis. The epithelial-to-mesenchymal transition (EMT) is crucial for increasing the metastasis of OSCC. Recently, studies have indicated that sirtuin7 (SIRT7) is implicated in tumor genesis; however, the potential role of SIRT7 in the EMT and metastasis of OSCC has not been reported. METHODS We investigated the cellular responses to SIRT7 silencing or overexpression in OSCC cell lines by wound healing assay, migration and invasion assay, western blotting, immunofluorescence and immunohistochemistry. RESULTS In the present study, we found that SIRT7 was significantly downregulated in OSCC cell lines and human OSCC/OSCC tissues with lymph node metastasis. Overexpression of SIRT7 decreased the proliferation and invasion of OSCC cells in vitro, whereas SIRT7 knockdown significantly increased OSCC cell growth and invasion. Upregulation of SIRT7 concomitantly increased the expression of E-cadherin, and decreased the expression of mesenchymal markers. SIRT7 overexpression also reduced the level of acetylated SMAD4 in OSCC cells. Moreover, SIRT7 overexpression significantly inhibited OSCC lung metastasis in vivo. CONCLUSION Together, these findings suggested that SIRT7 suppressed EMT in OSCC metastasis by promoting SMAD4 deacetylation.
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Affiliation(s)
- Wenlu Li
- Department of Stomatology, The First affiliated hospital of Zhengzhou University, 1# East Jianshe Road 1, Zhengzhou, 450000 Henan China
| | - Dandan Zhu
- Department of Stomatology, The First affiliated hospital of Zhengzhou University, 1# East Jianshe Road 1, Zhengzhou, 450000 Henan China
| | - Shuaihua Qin
- Department of Stomatology, The First affiliated hospital of Zhengzhou University, 1# East Jianshe Road 1, Zhengzhou, 450000 Henan China
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