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Sleiman Y, Hadeer RA, Nahle H, Jurdi N, Abs L, Allouch M. Monomorphic epitheliotropic intestinal T-cell lymphoma with obstructive pattern: A rare case of small bowel lymphoma. Int J Surg Case Rep 2024; 124:110327. [PMID: 39317016 DOI: 10.1016/j.ijscr.2024.110327] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 08/05/2024] [Revised: 09/14/2024] [Accepted: 09/19/2024] [Indexed: 09/26/2024] Open
Abstract
INTRODUCTION Monomorphic epitheliotropic intestinal T-cell lymphoma (MEITL) is a very rare and aggressive type of gastrointestinal non-Hodgkin's lymphoma (NHL) with a poor prognosis. CASE PRESENTATION A 59-year-old man presented with a three-days history of diffuse abdominal pain associated with distention and obstipation. Abdominal computed tomography (CT) scan showed small bowel obstruction (SBO) due to moderately thickened jejunal loop. The SBO was treated conservatively, and after a workup, the patient underwent a laparoscopic oncological small bowel resection. The final pathology sampling revealed transmural sheets of atypical lymphoid cells that were identified as MEITL, which is a very rare type of small bowel lymphoma, by the histo-immunopathoplogy studies. He responded to three courses of chemotherapy, and the patient went into remission at the end of the third chemotherapy session. Five months post remission patient was rushed to the emergency with acute mesenteric ischemia and died shortly after. DISCUSSION An extremely uncommon and aggressive type of T-cell lymphoma is called monomorphic epitheliotropic intestinal T-cell lymphoma (MEITL). Gastrointestinal involvement was detected in the majority of the patients. 40 % of the published cases had stage IV disease. Based on morphological classification, the tumors were classified into two groups: Typical (58 %) and atypical (i.e., non-monomorphic or exhibiting necrosis, angiotropism, or starry-sky pattern) (42 %). Mostly caused by driver gene changes that de-regulate JAK/STAT signaling and histone methylation, it is resistant to standard therapy and includes morphologic and genetic variants that carry a very high clinical risk. CONCLUSION We report a case of MEITL detected after jejunal resection in a patient presented initially with SBO. Our patient has a recurrence-free survival of 5 months after chemotherapy, but passed away 5 months after remission due to acute mesenteric ischemia.
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Affiliation(s)
- Youssef Sleiman
- Nini Hospital, Department of General and Visceral Surgery, Tripoli, Lebanon
| | - Ribal Aby Hadeer
- University of Balamand, Department of General Surgery, Beirut, Lebanon.
| | - Hassan Nahle
- University of Balamand, Department of General Surgery, Beirut, Lebanon
| | - Nawaf Jurdi
- Nini Hospital, Department of Pathology, Tripoli, Lebanon
| | - Leila Abs
- Nini Hospital, Department of Radiology, Tripoli, Lebanon
| | - Mustafa Allouch
- Nini Hospital, Department of General and Visceral Surgery, Tripoli, Lebanon; University of Balamand, Department of General Surgery, Beirut, Lebanon
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2
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Miranda RN, Amador C, Chan JKC, Guitart J, Rech KL, Medeiros LJ, Naresh KN. Fifth Edition of the World Health Organization Classification of Tumors of the Hematopoietic and Lymphoid Tissues: Mature T-Cell, NK-Cell, and Stroma-Derived Neoplasms of Lymphoid Tissues. Mod Pathol 2024; 37:100512. [PMID: 38734236 DOI: 10.1016/j.modpat.2024.100512] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 12/31/2023] [Revised: 04/14/2024] [Accepted: 05/02/2024] [Indexed: 05/13/2024]
Abstract
This review focuses on mature T cells, natural killer (NK) cells, and stroma-derived neoplasms in the fifth edition of the World Health Organization classification of hematolymphoid tumors, including changes from the revised fourth edition. Overall, information has expanded, primarily due to advancements in genomic understanding. The updated classification adopts a hierarchical format. The updated classification relies on a multidisciplinary approach, incorporating insights from a diverse group of pathologists, clinicians, and geneticists. Indolent NK-cell lymphoproliferative disorder of the gastrointestinal tract, Epstein-Barr virus-positive nodal T- and NK-cell lymphoma, and several stroma-derived neoplasms of lymphoid tissues have been newly introduced or included. The review also provides guidance on how the fifth edition of the World Health Organization classification of hematolymphoid tumors can be applied in routine clinical practice.
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Affiliation(s)
- Roberto N Miranda
- Department of Hematopathology, The University of Texas MD Anderson Cancer Center, Houston, Texas
| | - Catalina Amador
- Department of Pathology, University of Miami, Miami, Florida
| | - John K C Chan
- Department of Pathology, Queen Elizabeth Hospital, Kowloon, Hong Kong
| | - Joan Guitart
- Department of Dermatology, Northwestern University Feinberg Medical School, Chicago, Illinois
| | - Karen L Rech
- Department of Laboratory Medicine and Pathology, Mayo Clinic, Rochester, Minnesota
| | - L Jeffrey Medeiros
- Department of Hematopathology, The University of Texas MD Anderson Cancer Center, Houston, Texas
| | - Kikkeri N Naresh
- Section of Pathology, Translational Science and Therapeutics Division, Fred Hutchinson Cancer Research Center, Seattle, Washington; Department of Laboratory Medicine & Pathology, University of Washington, Seattle, Washington.
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3
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Ding X, Zhang M, Zhan Q, Zhang H, Zhang R, Yan X, Zhang L, Wang X. Monomorphic epitheliotropic intestinal T-cell lymphoma: report of four cases and literature review. J Int Med Res 2024; 52:3000605241271756. [PMID: 39197860 PMCID: PMC11375639 DOI: 10.1177/03000605241271756] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 09/01/2024] Open
Abstract
Monomorphic epitheliotropic intestinal T-cell lymphoma (MEITL), also known as type II enteropathy-associated T-cell lymphoma, is a rare malignant lymphoma of the extranodal lymphoid tissue derived from interepithelial T lymphocytes. MEITL is a primary intestinal T-cell lymphoma with a challenging diagnosis and aggressive progression, and it can invade other extraintestinal sites. In this study, we report four patients diagnosed with MEITL. All patients presented with abdominal pain, and one patient was admitted because of acute intestinal perforation. Two patients presented with unformed defecation and diarrhea. All patients carried the immunophenotypes CD3, CD7, CD8, CD20, and CD56, and the Ki-67 index ranged 60% to 90%. Three cases were analyzed using next-generation sequencing. One case displayed possibly relevant alterations of CREBBP, NOTCH2, SETD2, and STAT5B, and another case exhibited definite alteration of NOTCH1, possibly relevant alterations of CCND1 and DNMT3A, and potentially relevant alterations of HISTH3B, IGLL5, KMT2C, and KRAS. Different chemotherapy regimens were used, but the prognosis was poor. Hence, we illustrated that because of its low incidence, challenging diagnosis, and difficult treatment, further therapeutic improvements are urgently warranted.
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Affiliation(s)
- Xin Ding
- Department of Hematology, the First Hospital of China Medical University, Shenyang, China
| | - Meng Zhang
- Department of Hematology, the First Hospital of China Medical University, Shenyang, China
| | - Qianru Zhan
- Department of Hematology, the First Hospital of China Medical University, Shenyang, China
| | - Heyang Zhang
- Department of Hematology, the First Hospital of China Medical University, Shenyang, China
| | - Rui Zhang
- Department of Hematology, the First Hospital of China Medical University, Shenyang, China
| | - Xiaojing Yan
- Department of Hematology, the First Hospital of China Medical University, Shenyang, China
| | - Lijun Zhang
- Department of Hematology, the First Hospital of China Medical University, Shenyang, China
| | - Xiaoxue Wang
- Department of Hematology, the First Hospital of China Medical University, Shenyang, China
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4
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Li X, Li Z, Zhou X, Zheng Y, Zhang Y, Xie J. A case of excisionally remitted indolent NK-cell enteropathy in the oral cavity and a mini-review. J Cutan Pathol 2024; 51:518-524. [PMID: 38642003 DOI: 10.1111/cup.14626] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 10/18/2023] [Revised: 01/30/2024] [Accepted: 04/03/2024] [Indexed: 04/22/2024]
Abstract
Benign natural killer cell enteropathy (NKCE) was first identified in the gastrointestinal (GI) tract. Notably, instances of NKCE have previously been observed at various sites other than the GI tract, including the gallbladder, lymph nodes, esophagus, and female genital tract. Typical NKCE manifests as an NK-cell immunohistological phenotype, with or without TCR rearrangement, and is characterized by the absence of Epstein-Barr virus (EBV) infection and protracted clinical progression. The misdiagnosis of NKT-cell lymphoma has resulted in some patients receiving chemotherapy, while in other instances, the patients' conditions resolved without treatment and showed no evidence of disease recurrence or progression during follow-up examinations. In this paper, we describe a unique case of EBV-negative NKCE occurring in the oral cavity, the first time such a case has been documented. The tumor completely resolved after an excisional biopsy, and subsequent follow-up did not reveal any signs of disease recurrence.
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Affiliation(s)
- Xiangyun Li
- Department of Dermatology, The Seventh Affiliated Hospital of Sun Yat-Sen University, Shenzhen, China
- Department of Pathology, Beijing Friendship Hospital, The Second Clinical Medical College of Capital Medical University (Lymphoma Diagnostic Center, Beijing Institute of Clinical Medicine), Beijing, China
| | - Zhu Li
- Department of Dermatology, The Seventh Affiliated Hospital of Sun Yat-Sen University, Shenzhen, China
| | - Xiaoge Zhou
- Department of Pathology, Beijing Friendship Hospital, The Second Clinical Medical College of Capital Medical University (Lymphoma Diagnostic Center, Beijing Institute of Clinical Medicine), Beijing, China
| | - Yuanyuan Zheng
- Department of Pathology, Beijing Friendship Hospital, The Second Clinical Medical College of Capital Medical University (Lymphoma Diagnostic Center, Beijing Institute of Clinical Medicine), Beijing, China
| | - Yanlin Zhang
- Department of Pathology, Beijing Friendship Hospital, The Second Clinical Medical College of Capital Medical University (Lymphoma Diagnostic Center, Beijing Institute of Clinical Medicine), Beijing, China
| | - Jianlan Xie
- Department of Pathology, Beijing Friendship Hospital, The Second Clinical Medical College of Capital Medical University (Lymphoma Diagnostic Center, Beijing Institute of Clinical Medicine), Beijing, China
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5
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Dcunha NJ, Wei Q, Thakral B, Medeiros LJ. From the archives of MD Anderson Cancer Center: Monomorphic epitheliotropic intestinal T-cell lymphoma: A case with an unusual immunophenotype and discussion of differential diagnosis. Ann Diagn Pathol 2024; 70:152293. [PMID: 38484479 DOI: 10.1016/j.anndiagpath.2024.152293] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 03/04/2024] [Revised: 03/07/2024] [Accepted: 03/08/2024] [Indexed: 05/24/2024]
Abstract
Monomorphic epitheliotropic intestinal T-cell lymphoma (MEITL) is a rare and aggressive T-cell neoplasm associated with poor survival. We report a case of MEITL that presented as an ulcerated mass in the jejunum with perforation. Microscopic examination showed that the neoplasm involved the full thickness of the intestinal wall, extended into the mesentery, and was composed of monomorphic, small to medium-size cells. Immunohistochemical analysis showed that the neoplastic cells were positive for T-cell receptor (TCR) delta, CD3, CD7, CD8 (small subset), BCL-2 and TIA-1, and negative for TCR beta, CD4, CD5, CD10, CD20, CD30, CD34, CD56, CD57, CD99, ALK, cyclin D1, granzyme B, MUM1/IRF4, and TdT. The Ki-67 proliferation index was approximately 50 %. In situ hybridization for Epstein-Barr virus-encoded RNA (EBER ISH) was negative. Next-generation sequencing (NGS) analysis showed mutations involving SETD2 and STAT5B. The patient was treated with aggressive chemotherapy and consolidative autologous stem cell transplant and had clinical remission, but relapsed after about one year. Retreatment led to another one-year interval of clinical remission, but at last follow up the patient has relapsed disease involving the ileum and colon. We also discuss the differential diagnosis of MEITL.
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Affiliation(s)
- Nicholas J Dcunha
- Department of Pathology, Baylor University College of Medicine and The University of Texas MD Anderson Cancer Center, Houston, TX, United States of America
| | - Qing Wei
- Department of Pathology, Baylor University College of Medicine and The University of Texas MD Anderson Cancer Center, Houston, TX, United States of America
| | - Beenu Thakral
- Department of Pathology, Baylor University College of Medicine and The University of Texas MD Anderson Cancer Center, Houston, TX, United States of America
| | - L Jeffrey Medeiros
- Department of Pathology, Baylor University College of Medicine and The University of Texas MD Anderson Cancer Center, Houston, TX, United States of America.
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6
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Soto Dopazo M, Rey Fanjul Y, Chamorro Chamorro P, Díaz González MD. Monomorphic epitheliotropic intestinal T-cell lymphoma (MEITL) complicated with intestinal obstruction and perforation. REVISTA ESPANOLA DE ENFERMEDADES DIGESTIVAS 2024. [PMID: 38767037 DOI: 10.17235/reed.2024.10407/2024] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 05/22/2024]
Abstract
We report the case of a patient who comes to the emergency department with abdominal pain, oral intolerance and bloody stools, being diagnosed with intestinal obstruction secondary to a jejunal tumor with contained perforation. A laparotomy was performed with resection of the jejunal tumor and taking biopsies from lesions with similar characteristics in the rest of the small bowel compatible with monomorphic epitheliotropic intestinal T-cell lymphoma (MEITL). The monomorphic epitheliotropic intestinal T-cell lymphoma is a rare intestinal tumor with a poor prognosis that is characterized by the proliferation of intraepithelial lymphocytes. The abdominal symptoms are nonspecific and the known major complications are intestinal perforation and obstruction. There is no standard therapeutic approach, being a combination of surgical resection, chemotherapy and autologous stem cell transplant.
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Affiliation(s)
- Macarena Soto Dopazo
- Cirugía General y del Aparato Digestivo, Hospital Universitario de Cabueñes, España
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7
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Ong SY, Zain JM. Aggressive T-cell lymphomas: 2024: Updates on diagnosis, risk stratification, and management. Am J Hematol 2024; 99:439-456. [PMID: 38304959 DOI: 10.1002/ajh.27165] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 08/04/2023] [Revised: 10/18/2023] [Accepted: 11/05/2023] [Indexed: 02/03/2024]
Abstract
INTRODUCTION Aggressive T-cell lymphomas continue to have a poor prognosis. There are over 30 different subtypes of peripheral T-cell lymphoma (PTCL), and we are now beginning to understand the differences between the various subtypes beyond histologic variations. MOLECULAR PATHOGENESIS OF VARIOUS SUBTYPES OF PTCL Gene expression profiling and other molecular techniques have enabled deeper understanding of differences in various subtypes as reflected in the latest 5th WHO classification of PTCL. It is becoming increasingly clear that therapeutic approaches that target specific cellular pathways are needed to improve the clinical outcomes of PTCL. TARGETED THERAPIES There are many targeted agents currently in various stages of clinical trials for PTCL that take advantage of the differential expression of specific proteins or receptors in PTCL tumors. This includes the CD30 directed antibody drug conjugate brentuximab vedotin. Other notable targets are phosphatidylinositol 3-kinase inhibitors, histone deacetylase inhibitors, CD25, and chemokine receptor 4. Anaplastic lymphoma kinase (ALK) inhibitors are promising for ALK expressing tumors. IMMUNOTHERAPIES Allogeneic stem cell transplant continues to be the curative therapy for most aggressive subtypes of PTCL. The use of checkpoint inhibitors in the treatment of PTCL is still controversial, with best results seen in cases of extranodal natural killer cell/T-cell lymphoma. Bispecific antibody-based treatments and chimeric antigen receptor cell-based therapies are in clinical trials.
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Affiliation(s)
- Shin Yeu Ong
- Department of Hematology/Hematopoietic Cell Transplantation, City of Hope Medical Center, Duarte, California, USA
- Department of Haematology, Singapore General Hospital, Singapore, Singapore
| | - Jasmine M Zain
- Department of Hematology/Hematopoietic Cell Transplantation, City of Hope Medical Center, Duarte, California, USA
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8
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Montenegro Almeida AI, Vidal Aguirre SV, Piris Pinilla MÁ, Saperas E. Natural killer cell enteropathy mimicking lymphoma. GASTROENTEROLOGIA Y HEPATOLOGIA 2024; 47:101-102. [PMID: 37080288 DOI: 10.1016/j.gastrohep.2023.04.003] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Received: 11/19/2022] [Revised: 03/19/2023] [Accepted: 04/13/2023] [Indexed: 04/22/2023]
Affiliation(s)
| | | | | | - Esteban Saperas
- Servicio de Aparato Digestivo, Hospital Universitario General de Cataluña, Sant Cugat del Vallès, Barcelona, España
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9
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Bourmaf M, Motwani KK, McCool I, Singh Z, Kallen M, Koka M, Wong U. The Sigmoid Colon as an Unusual Primary Site of T Cell Lymphoma in a Patient Presenting With Brain Metastasis. ACG Case Rep J 2023; 10:e01172. [PMID: 37811364 PMCID: PMC10552970 DOI: 10.14309/crj.0000000000001172] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 07/03/2023] [Accepted: 09/05/2023] [Indexed: 10/10/2023] Open
Abstract
Intestinal T-cell lymphomas are an uncommon type of gastrointestinal malignancy, primarily found in the stomach and small bowel. The liver represents the most common distant organ for metastasis in gastrointestinal malignancies, followed by the lungs. Brain and muscular metastases are rare. We present intestinal T-cell lymphoma with a primary site in the sigmoid colon and metastasis to the brain, meninges, and psoas muscle. Biopsy of the malignant mass confirmed intestinal T-cell lymphoma. To our knowledge, this is the first colon T-cell lymphoma with primary brain and meningeal metastasis with another uncommon site of muscular metastasis.
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Affiliation(s)
| | | | - Isaac McCool
- University of Maryland Medical Center, Baltimore, MD
| | - Zeba Singh
- University of Maryland Medical Center, Baltimore, MD
| | | | | | - Uni Wong
- Veterans Health Administration, Washington, DC
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10
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Marsilio S, Freiche V, Johnson E, Leo C, Langerak AW, Peters I, Ackermann MR. ACVIM consensus statement guidelines on diagnosing and distinguishing low-grade neoplastic from inflammatory lymphocytic chronic enteropathies in cats. J Vet Intern Med 2023; 37:794-816. [PMID: 37130034 PMCID: PMC10229359 DOI: 10.1111/jvim.16690] [Citation(s) in RCA: 4] [Impact Index Per Article: 4.0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 02/04/2023] [Accepted: 03/10/2023] [Indexed: 05/03/2023] Open
Abstract
BACKGROUND Lymphoplasmacytic enteritis (LPE) and low-grade intestinal T cell lymphoma (LGITL) are common diseases in older cats, but their diagnosis and differentiation remain challenging. OBJECTIVES To summarize the current literature on etiopathogenesis and diagnosis of LPE and LGITL in cats and provide guidance on the differentiation between LPE and LGITL in cats. To provide statements established using evidence-based approaches or where such evidence is lacking, statements based on consensus of experts in the field. ANIMALS None. METHODS A panel of 6 experts in the field (2 internists, 1 radiologist, 1 anatomic pathologist, 1 clonality expert, 1 oncologist) with the support of a human medical immunologist, was formed to assess and summarize evidence in the peer-reviewed literature and complement it with consensus recommendations. RESULTS Despite increasing interest on the topic for clinicians and pathologists, few prospective studies were available, and interpretation of the pertinent literature often was challenging because of the heterogeneity of the cases. Most recommendations by the panel were supported by a moderate or low level of evidence. Several understudied areas were identified, including cellular markers using immunohistochemistry, genomics, and transcriptomic studies. CONCLUSIONS AND CLINICAL IMPORTANCE To date, no single diagnostic criterion or known biomarker reliably differentiates inflammatory lesions from neoplastic lymphoproliferations in the intestinal tract of cats and a diagnosis currently is established by integrating all available clinical and diagnostic data. Histopathology remains the mainstay to better differentiate LPE from LGITL in cats with chronic enteropathy.
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Affiliation(s)
- Sina Marsilio
- Department of Veterinary Medicine and EpidemiologyUC Davis School of Veterinary MedicineDavisCaliforniaUSA
| | - Valerie Freiche
- Ecole Nationale Vétérinaire d'AlfortCHUVA, Unité de Médecine InterneMaisons‐AlfortFrance
| | - Eric Johnson
- Department of Surgical & Radiological SciencesUC Davis School of Veterinary MedicineDavisCaliforniaUSA
| | - Chiara Leo
- Anicura Istituto Veterinario NovaraNovaraItaly
| | | | | | - Mark R. Ackermann
- Oregon Veterinary Diagnostic Laboratory, Oregon State UniversityCorvallisOregonUSA
- Present address:
US Department of AgricultureNational Animal Disease CenterAmesIowaUSA
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11
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Gadaev IY, Ershov VI, Kovrigina AM, Sokolova IY, Tashyan OV, Mingalimov MA, Antyufeeva ON, Budanova DA, Mnatsakanyan MG, Bochkarnikova OV, Nagornaia DS. Difficulties in diagnosing intestinal T-cell lymphoma. Case report. TERAPEVT ARKH 2023; 95:180-186. [PMID: 37167135 DOI: 10.26442/00403660.2023.02.202060] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 03/29/2023] [Accepted: 03/29/2023] [Indexed: 04/01/2023]
Abstract
The article describes a rare diagnosis of monomorphic epitheliotropic intestinal T-cell lymphoma (MEITL), due to its veiled by a number of so-called masks of enteropathies. A detailed analysis of all clinical, morphological and immunohistochemical data made it possible to establish the correct diagnosis. The revealed pathology is extremely rare in practice, even among specialists in hematology. The article demonstrates the main stages of both a complex diagnosis and an attempt at therapy for this aggressive form of intestinal lymphoma.
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12
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Rosevics L, Madalosso I. Monomorphic epitheliotropic T-cell lymphoma of the small intestine. United European Gastroenterol J 2023; 11:307-309. [PMID: 36880478 PMCID: PMC10083456 DOI: 10.1002/ueg2.12368] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Key Words] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 11/17/2022] [Accepted: 02/08/2023] [Indexed: 03/08/2023] Open
Affiliation(s)
- Leticia Rosevics
- Hospital de Clínicas da Universidade Federal do Paraná, Curitiba, Brazil
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13
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Murga-Zamalloa C, Inamdar K. Classification and challenges in the histopathological diagnosis of peripheral T-cell lymphomas, emphasis on the WHO-HAEM5 updates. Front Oncol 2022; 12:1099265. [PMID: 36605429 PMCID: PMC9810276 DOI: 10.3389/fonc.2022.1099265] [Citation(s) in RCA: 2] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 11/15/2022] [Accepted: 12/05/2022] [Indexed: 12/24/2022] Open
Abstract
Mature T-cell lymphomas represent neoplastic expansions of T-cell lymphocytes with a post-thymic derivation. Most of these tumors feature aggressive clinical behavior and challenging histopathological diagnosis and classification. Novel findings in the genomic landscape of T-cell lymphomas are helping to improve the understanding of the biology and the molecular mechanisms that underly its clinical behavior. The most recent WHO-HAEM5 classification of hematolymphoid tumors introduced novel molecular and histopathological findings that will aid in the diagnostic classification of this group of neoplasms. The current review article summarizes the most relevant diagnostic features of peripheral T-cell lymphomas with an emphasis on the updates that are incorporated at the WHO-HAEM5.
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Affiliation(s)
- Carlos Murga-Zamalloa
- Department of Pathology, University of Illinois at Chicago, Chicago, IL, United States,*Correspondence: Carlos Murga-Zamalloa,
| | - Kedar Inamdar
- Department of Pathology, Henry Ford Hospital, Detroit, MI, United States
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14
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Indolent T-cell lymphoproliferative disorder of gastrointestinal tract with unusual clinical courses: report of 6 cases and literature review. Virchows Arch 2022; 482:729-743. [PMID: 36472661 DOI: 10.1007/s00428-022-03467-5] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 04/30/2022] [Revised: 11/20/2022] [Accepted: 11/22/2022] [Indexed: 12/12/2022]
Abstract
Indolent T-cell lymphoproliferative disorder of the gastrointestinal tract (iTLPD-GI) is a rare neoplasm usually having an indolent clinical course and easily misdiagnosed as inflammatory bowel disease or other T-cell lymphomas. A subset of the disorders that progressed to overt peripheral T-cell lymphoma have been reported, and the etiology and pathogenesis are poorly understood. The current study retrospectively examined the pathological, molecular, and clinical features of 6 cases of iTLPD-GI. Hematoxylin and eosin staining, immunohistochemistry, in situ hybridization, T-cell receptor gene rearrangement, and next-generation sequencing (NGS) were performed with the diseased tissues. All the 6 patients were immunocompetent Chinese men, who presented with recurrent abdominal pain and diarrhea for 4 to 13 years. Histologically, the intestinal tissue was expanded by lymphoid infiltration, composed of small-to-medium-sized lymphocytes with gland intact. The neoplastic cells were CD4 - /CD8 + with expression of TIA1 and variable granzyme B in five cases, and the other one was CD4 + /CD8 - . Two of the 5 patients progressed to more aggressive T-cell lymphoma and died of disease with complications. NGS identified TET2 and DDX3X mutations in patient 1, and BIRC6 and REV3L mutations in patient 2. Literature review indicated that iTLPD-GI with CD4 - /CD8 + immunophenotype was more commonly reported in Chinese cases. Our limited data indicated CD4-/CD8 + iTLPD-GI have similar potential to progress to more aggressive T-cell lymphoma as that of CD4 + /CD8 - , and gradually increased expression of granzyme B and Ki-67 may be early signs of the disease progression. Gain of novel gene mutations may be indicators of the pathogenesis.
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15
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Wang RC, Chen BJ, Yuan CT, Ho CH, Chuang WY, Chen SW, Chang JH, Yu WH, Chuang SS. The spectrum of intestinal mature T- and NK-cell neoplasms in a tertiary center in Taiwan with a high frequency of perforation. Pathol Res Pract 2022; 240:154184. [PMID: 36327820 DOI: 10.1016/j.prp.2022.154184] [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: 08/22/2022] [Revised: 09/30/2022] [Accepted: 10/17/2022] [Indexed: 11/06/2022]
Abstract
Primary intestinal T-cell lymphomas (PITLs) comprise enteropathy-associated T-cell lymphoma (EATL), monomorphic epitheliotropic intestinal T-cell lymphoma (MEITL), extranodal NK/T-cell lymphoma (ENKTL), anaplastic large cell lymphoma (ALCL), and intestinal T cell lymphoma, NOS (ITCL-NOS). MEITL is composed of monomorphic medium cells expressing CD8 and CD56, with a cytotoxic phenotype. We retrospectively analyzed 77 cases of intestinal T-cell lymphomas, 71 primary and six secondary, at a tertiary center in Taiwan from 2001 to 2021. Perforation occurred in 57 (74%) patients, including 56 (73%) at presentation and one after chemotherapy. The primary cases included MEITL (68%), ENKTL (14%), ITCL-NOS (13%), ALCL (4%), and EATL (1%). The perforation rate was 90%, 70%, and 22% in MEITL, ENKTL, and ITCL-NOS cases, respectively (p < 0.0001, Fisher's exact test). Most (75%; n = 36) MEITL cases were typical; while seven (15%) had atypical morphology and five (10%) exhibited atypical immunophenotype. The tumor cells of ITCL-NOS were pleomorphic, with various expression of CD8 or CD56. All METIL, ITCL-NOS and ALCL cases were negative for EBER; while all ENKTL cases, either primary or secondary, were positive for cytotoxic granules and EBER. The prognosis of PITL was poor, with a medium survival of 7.0, 3.3, and 3.7 months among patients with MEITL, ENKTL, and ITCL-NOS, respectively. Of the six secondary cases, the primary tumors orginated from nasal ENKTL (n = 5) and cutaneous PTCL-NOS (n = 1). We showed a wide spectrum of intestinal T-cell lymphomas in Taiwan, with MEITL as the most common PITL, a high rate of perforation, and a wider morphological and immunophenotypic spectrum.
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Affiliation(s)
- Ren Ching Wang
- Department of Pathology, China Medical University Hospital and Department of Nursing, College of Nursing, HungKuang University, Taichung, Taiwan
| | - Bo-Jung Chen
- Department of Pathology, Shuang Ho Hospital, Taipei Medical University, New Taipei City and Department of Pathology, School of Medicine, College of Medicine, Taipei Medical University, Taipei, Taiwan
| | - Chang-Tsu Yuan
- Department of Pathology, National Taiwan University Cancer Center, Taipei, Graduate Institute of Clinical Medicine, National Taiwan University, Taipei, and Departments of Pathology, National Taiwan University Hospital and National Taiwan University College of Medicine, Taipei, Taiwan
| | - Chung-Han Ho
- Department of Medical Research, Chi-Mei Medical Center, Tainan, and Department of Information Management, Southern Taiwan University of Science and Technology, Tainan, Taiwan
| | - Wen-Yu Chuang
- Department of Pathology, Chang Gung Memorial Hospital and Chang Gung University; School of Medicine and Chang Gung Molecular Medicine Research Center, Chang Gung University, Taoyuan, Taiwan
| | - Shang-Wen Chen
- Division of Hemato-Oncology, Department of Internal Medicine, Chi-Mei Medical Center, Lioying, Tainan, Taiwan
| | | | | | - Shih-Sung Chuang
- Department of Pathology, Chi-Mei Medical Center, Tainan, Taiwan.
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16
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Yanagi M, Komura T, Kagaya T. A rare cause of jejunal perforation: Monomorphic epitheliotropic intestinal T-cell lymphoma. JGH Open 2022; 6:915-917. [PMID: 36514499 PMCID: PMC9730716 DOI: 10.1002/jgh3.12844] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 09/03/2022] [Revised: 10/29/2022] [Accepted: 11/06/2022] [Indexed: 11/18/2022]
Abstract
Monomorphic epitheliotropic intestinal T-cell lymphoma (MEITL) is a very rare intestinal T-cell lymphoma which is observed most frequently in the jejunum. MEITL is prone to cause intestinal perforation and the prognosis is very poor when it occurs. Here we report a fatal case of MEITL causing jejunal perforation at the time of diagnosis in a 79-year-old man. The patient underwent emergency surgery for jejunal perforation caused by MEITL but died 3 months after the initial visit due to prolonged peritonitis. It is desirable to establish a method to predict cases with intestinal perforation, and systematize the treatment strategies to avoid perforation.
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Affiliation(s)
- Masahiro Yanagi
- Department of GastroenterologyNational Hospital Organization Kanazawa Medical CenterKanazawaJapan
| | - Takuya Komura
- Department of GastroenterologyNational Hospital Organization Kanazawa Medical CenterKanazawaJapan
| | - Takashi Kagaya
- Department of GastroenterologyNational Hospital Organization Kanazawa Medical CenterKanazawaJapan
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17
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Chen Y, Xu H, Shan N, Qu H. Pegylated liposomal doxorubicin (PLD)-containing regimen as a novel treatment of monomorphic epithelial intestinal T-cell lymphoma (MEITL): A case report and review of literature. Medicine (Baltimore) 2022; 101:e31326. [PMID: 36343038 PMCID: PMC9646500 DOI: 10.1097/md.0000000000031326] [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] [Indexed: 11/09/2022] Open
Abstract
INTRODUCTION Monomorphic intestinal T-cell lymphoma (MEITL) is a rare, aggressive peripheral T-cell lymphoma that arises from intestinal epithelial lymphocytes. Currently, MEITL lacks standard treatment options. Under the current treatment regimen, the median survival time for patients is only 7 months. Chemotherapy followed by hematopoietic stem cell transplantation may improve patient outcomes. New anti-lymphoma drugs, including chidamide and PEG-asparaginase, are being tested against MEITL. To our knowledge, there are currently no data on the pegylated liposomal doxorubicin (PLD) regimen for MEITL therapy.Patient concerns, diagnosis and interventions: We report the case of a 54-year-old patient diagnosed with MEITL who presented with abdominal pain and was treated with a cyclophosphamide, doxorubicin, vincristine, prednisone, etoposide regimen containing PLD. OUTCOMES After 15 months of follow-up, the patient is currently alive and disease free. The application of doxorubicin liposomes in chemotherapy regimens may be a new way to treat MEITL. REVIEW We searched the literature on MEITL and selected 52 case reports. We summarized the clinical characteristics and treatment of 53 patients (including the current patient). CONCLUSION It highlights 2 important clinical findings. First, for patients with MEITL treated with the cyclophosphamide, doxorubicin, vincristine, prednisone, etoposide regimen, PLD has fewer adverse reactions and better long-term survival than doxorubicin. Second, an early diagnosis is necessary for prompt treatment. We believe that this manuscript will be valuable to all the researchers who are interested in.
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Affiliation(s)
- Yue Chen
- Department of Hematology, Shandong Provincial Hospital Affiliated to Shandong First Medical University, Jinan, Shandong, China
| | - Hongzhi Xu
- Department of Hematology, Shandong Provincial Hospital Affiliated to Shandong First Medical University, Jinan, Shandong, China
- Department of Hematology, Shandong Provincial Hospital, Shandong University, Jinan, Shandong, China
| | - Ningning Shan
- Department of Hematology, Shandong Provincial Hospital Affiliated to Shandong First Medical University, Jinan, Shandong, China
- Department of Hematology, Shandong Provincial Hospital, Shandong University, Jinan, Shandong, China
| | - Huiting Qu
- Department of Hematology, Shandong Provincial Hospital Affiliated to Shandong First Medical University, Jinan, Shandong, China
- Department of Hematology, Shandong Provincial Hospital, Shandong University, Jinan, Shandong, China
- * Correspondence: Huiting Qu, Department of Hematology, Shandong Provincial Hospital Affiliated to Shandong First Medical University, No. 324 Jingwu Road, Huaiyin District, Jinan, Shandong, China (e-mail: )
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18
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Alves de Castro JV, Costa FD, Ferreira CR. Indolent NK-Cell Lymphoproliferative Disorder of the Gastrointestinal Tract - a Report of two Cases of a new Provisional Entity on the World Health Organization Classification of Hematolymphoid Tumors. Int J Surg Pathol 2022:10668969221113474. [PMID: 35903908 DOI: 10.1177/10668969221113474] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/16/2022]
Abstract
Indolent NK-cell lymphoproliferative disorder of the gastrointestinal tract is a new provisional entity listed in the structure of the forthcoming fifth edition of the World Health Organization (WHO) Classification of Hematolymphoid Tumors. It was first named as "NK-cell enteropathy" and "Lymphomatoid gastropathy" by two independent series a decade ago. Molecular or cytogenetic studies have lent support to the clonal/neoplastic nature of this entity. Herein we add two of such cases that still challenge pathologists and were previously diagnosed as aggressive lymphomas of NK/T derivation.
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19
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Osmani K, Shah E, Drumheller B, Webb S, Singh M, Rubinstein P, Galvin JP, Lim MS, Murga-Zamalloa C. CD30 + Primary intestinal T-cell lymphoma (unclassified) masquerading as chronic inflammation: a case report. Diagn Pathol 2022; 17:53. [PMID: 35752815 PMCID: PMC9233326 DOI: 10.1186/s13000-022-01237-0] [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: 09/20/2021] [Accepted: 06/12/2022] [Indexed: 11/10/2022] Open
Abstract
Background Primary intestinal T-cell lymphomas are uncommon malignancies that pose a diagnostic dilemma, because the clinical features and imaging findings commonly overlap with those encountered in inflammatory bowel diseases. Case presentation The current clinical case report describes the clinical history, laboratory findings and histopathological analysis from a patient with non-specific gastrointestinal symptoms with a presumptive clinical diagnosis of inflammatory bowel disease, and two intestinal biopsy specimens with non-specific findings. Due to the persistent symptoms a third biopsy was consistent with primary intestinal T-cell lymphoma, a diagnosis that was elusive for months after the initial presentation. Clinical correlation with laboratory and histopathological findings is required to establish a definitive diagnosis and to further stratify the patients. In addition, the neoplastic cells featured partial expression of CD30, which had relevant therapeutic implications. Conclusions Suspicion for an intestinal T-cell lymphoproliferative disorder should always exist in patients with persistent abdominal symptoms with no clear etiology. The current discussion provides a summary and review of the key diagnostic histological features for the classification of primary intestinal T-cell lymphomas. In addition, the discussion describes how specific the histological findings are relevant for the clinical management decisions.
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Affiliation(s)
- Kashif Osmani
- Department of Pathology, University of Illinois at Chicago, 840 S. Wood Street, 260 CMET, Chicago, USA
| | - Eshana Shah
- Department of Internal Medicine, University of Illinois at Chicago, Chicago, USA
| | - Bradley Drumheller
- Department of Pathology and Laboratory Medicine, University of Pennsylvania, Philadelphia, USA
| | - Shaun Webb
- Department of Pathology, University of Illinois at Chicago, 840 S. Wood Street, 260 CMET, Chicago, USA
| | - Manmeet Singh
- Department of Pathology, University of Illinois at Chicago, 840 S. Wood Street, 260 CMET, Chicago, USA
| | - Paul Rubinstein
- Department of Internal Medicine, University of Illinois at Chicago, Chicago, USA
| | - John Patrick Galvin
- Department of Internal Medicine, University of Illinois at Chicago, Chicago, USA
| | - Megan S Lim
- Department of Pathology and Laboratory Medicine, University of Pennsylvania, Philadelphia, USA
| | - Carlos Murga-Zamalloa
- Department of Pathology, University of Illinois at Chicago, 840 S. Wood Street, 260 CMET, Chicago, USA.
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20
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Weng CY, Ye C, Fan YH, Lv B, Zhang CL, Li M. CD8-positive indolent T-Cell lymphoproliferative disorder of the gastrointestinal tract: A case report and review of literature. World J Clin Cases 2022; 10:4971-4984. [PMID: 35801019 PMCID: PMC9198890 DOI: 10.12998/wjcc.v10.i15.4971] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.5] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 10/21/2021] [Revised: 12/13/2021] [Accepted: 04/04/2022] [Indexed: 02/06/2023] Open
Abstract
BACKGROUND Indolent T-cell lymphoproliferative disorder of the gastrointestinal tract (ITLPD-GI), a primary tumor forming in the gastrointestinal (GI) tract, represents a rarely diagnosed clonal T-cell disease with a protracted clinical course.
CASE SUMMARY This report presented a 45-year-old male patient with a 6-year history of anal fistula and a more than 10-year history of recurrent diarrhea who was not correctly diagnosed until the occurrence of complications such as intestinal perforation. Postsurgical histopathological analysis, combined with hematoxylin-eosin staining, immunohistochemistry and TCRβ/γ clonal gene rearrangement test, confirmed the diagnosis of CD8+ ITLPD-GI.
CONCLUSION Individuals with this scarce lymphoma frequently show non-specific symptoms that are hard to recognize. So far, indolent CD8+ ITLPD-GI has not been comprehensively examined. The current mini-review focused on evaluating indolent CD8+ ITLPD-GI cases based on existing literature and discussing future directions for improved differential diagnosis, detection of genetic and epigenetic alterations, and therapeutic target identification.
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Affiliation(s)
- Chun-Yan Weng
- Department of Gastroenterology, The First Clinical Medical College of Zhejiang Chinese Medical University, Hangzhou 310053, Zhejiang Province, China
| | - Cheng Ye
- Department of Gastroenterology, The First Affiliated Hospital of Zhejiang Chinese Medical University, Hangzhou 310006, Zhejiang Province, China
| | - Yi-Hong Fan
- Department of Gastroenterology, The First Affiliated Hospital of Zhejiang Chinese Medical University, Hangzhou 310006, Zhejiang Province, China
| | - Bin Lv
- Department of Gastroenterology, The First Affiliated Hospital of Zhejiang Chinese Medical University, Hangzhou 310006, Zhejiang Province, China
| | - Chun-Li Zhang
- Department of Pathology, The First Affiliated Hospital of Zhejiang Chinese Medicine University, Hangzhou 310006, Zhejiang Province, China
| | - Meng Li
- Department of Gastroenterology, The First Affiliated Hospital of Zhejiang Chinese Medical University, Hangzhou 310006, Zhejiang Province, China
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21
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Oka P, Sidhu R. Small bowel lymphoma: clinical update and challenges for the gastroenterologist. Curr Opin Gastroenterol 2022; 38:270-278. [PMID: 35275901 DOI: 10.1097/mog.0000000000000829] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [MESH Headings] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Indexed: 12/10/2022]
Abstract
PURPOSE OF REVIEW The diagnosis of small bowel lymphoma (SBL) can be challenging, as they are very rare and also have a varied presentation. In this review, we aim to provide a broad overview of the types of SBL and also about the various modalities used for their diagnosis. We also discuss the overview of treatment strategies for a gastroenterologist. RECENT FINDINGS Small bowel capsule endoscopy (SBCE) and devise-assisted enteroscopy (DAE) has revolutionized the way we investigate the small bowel. DAE also makes it possible to obtain histological samples for further characterization of SBL. This has led to a significant improvement in diagnosis and management of the disease in conjunction with cross-sectional imagining. SUMMARY The diagnosis and management of small bowel lymphoma remains challenging despite the development of newer techniques such as SBCE and DAE. The current available diagnostic modalities have limitations; in the absence of a gold standard, the current investigative modalities compliment each other in reaching the final diagnosis.
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Affiliation(s)
- Priya Oka
- Academic Department of Gastroenterology, Royal Hallamshire Hospital, Sheffield, UK
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22
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Nakajima M, Shimoda M, Takeuchi K, Dobashi A, Kanai T, Kanai Y, Iwao Y. Lymphomatoid gastropathy/NK-cell enteropathy involving the stomach and intestine. J Clin Exp Hematop 2022; 62:114-118. [PMID: 35474034 PMCID: PMC9353851 DOI: 10.3960/jslrt.21032] [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: 11/04/2022] Open
Abstract
Lymphomatoid gastropathy (LyGa)/natural killer (NK)-cell enteropathy (NKCE) is recognized as a benign NK-cell lymphoproliferative disease. Due to its histological similarity to NK/T cell lymphoma, it is easy to misdiagnose, leading to unnecessary chemotherapy and poor quality of life. This disease is typically observed in the small and large intestines in North America, whereas almost all cases in Japan occur locally in the stomach. Only 11 LyGa/NKCE cases involving both gastric and intestinal lesions have been reported, and there are few reports providing endoscopic images throughout the gastrointestinal tract. We report a case of LyGa/NKCE involving both the stomach and small and large intestines with detailed upper gastrointestinal endoscopy, colonoscopy, capsule endoscopy and pathology images. Its pathogenesis currently remains elusive, but most patients with LyGa/NKCE in Japan have Helicobacter pylori (H. pylori) infection. Our patient was also positive for H. pylori infection at disease onset, but after receiving eradication therapy, ulcerative lesions in both stomach and intestine regressed and no recurrence was observed. This case suggests a link between the pathogenesis of LyGa/NKCE and H. pylori infection.
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Affiliation(s)
- Makoto Nakajima
- Department of Pathology, Keio University School of Medicine, Tokyo, Japan
| | - Masayuki Shimoda
- Department of Pathology, Keio University School of Medicine, Tokyo, Japan.,Department of Pathology, The Jikei University School of Medicine, Tokyo, Japan
| | - Kengo Takeuchi
- Department of Pathology, The Cancer Institute Hospital of Japanese Foundation for Cancer Research (JFCR), Tokyo, Japan
| | - Akito Dobashi
- Department of Pathology, The Cancer Institute Hospital of Japanese Foundation for Cancer Research (JFCR), Tokyo, Japan
| | - Takanori Kanai
- Division of Gastroenterology and Hepatology, Department of Internal Medicine, Keio University School of Medicine, Tokyo, Japan
| | - Yae Kanai
- Department of Pathology, Keio University School of Medicine, Tokyo, Japan
| | - Yasushi Iwao
- Center for Preventive Medicine, Keio University School of Medicine, Tokyo, Japan
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23
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Fukushima M, Honda T, Komatsu N, Sasaki R, Ozawa E, Miuma S, Miyaaki H, Irie J, Okano S, Nakao K. Initial and advanced endoscopic findings of monomorphic epitheliotropic intestinal T‐cell lymphoma in the duodenum: A case report. DEN OPEN 2022; 2:e118. [PMID: 35873525 PMCID: PMC9302330 DOI: 10.1002/deo2.118] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Download PDF] [Figures] [Subscribe] [Scholar Register] [Received: 02/14/2022] [Revised: 03/17/2022] [Accepted: 03/19/2022] [Indexed: 11/12/2022]
Abstract
Monomorphic epitheliotropic intestinal T‐cell lymphoma (MEITL) is an aggressive malignant digestive system lymphoma. We report the case of a 68‐year‐old Asian woman who was diagnosed with MEITL of the duodenum and small intestine due to intestinal obstruction. MEITL is mainly located in the small intestine, and duodenal lesions are rare. Therefore, the endoscopic appearance of MEITL in the duodenum has been reported in only a few cases. In this case, we observed the initial and advanced endoscopic findings of MEITL in the duodenum. The initial findings were only slight mucosal changes; therefore, careful observation is required to detect early‐stage MEITL.
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Affiliation(s)
- Masanori Fukushima
- Department of Gastroenterology and Hepatology Nagasaki University Graduate School of Biomedical Sciences Nagasaki Japan
| | - Tetsuro Honda
- Department of Gastroenterology and Hepatology Nagasaki Harbor Medical Center Nagasaki Japan
| | - Naohiro Komatsu
- Department of Gastroenterology and Hepatology Nagasaki University Graduate School of Biomedical Sciences Nagasaki Japan
| | - Ryu Sasaki
- Department of Gastroenterology and Hepatology Nagasaki University Graduate School of Biomedical Sciences Nagasaki Japan
| | - Eisuke Ozawa
- Department of Gastroenterology and Hepatology Nagasaki University Graduate School of Biomedical Sciences Nagasaki Japan
| | - Satoshi Miuma
- Department of Gastroenterology and Hepatology Nagasaki University Graduate School of Biomedical Sciences Nagasaki Japan
| | - Hisamitsu Miyaaki
- Department of Gastroenterology and Hepatology Nagasaki University Graduate School of Biomedical Sciences Nagasaki Japan
| | - Junji Irie
- Department of Pathology Nagasaki Harbor Medical Center Nagasaki Japan
| | - Shinji Okano
- Department of Pathology Nagasaki University Graduate School of Biomedical Sciences Nagasaki Japan
| | - Kazuhiko Nakao
- Department of Gastroenterology and Hepatology Nagasaki University Graduate School of Biomedical Sciences Nagasaki Japan
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24
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Gamma/Delta (γδ) T Cells: The Role of the T-Cell Receptor in Diagnosis and Prognosis of Hematologic Malignancies. Am J Dermatopathol 2022; 44:237-248. [PMID: 35287137 DOI: 10.1097/dad.0000000000002041] [Citation(s) in RCA: 5] [Impact Index Per Article: 2.5] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/26/2022]
Abstract
ABSTRACT There are 2 types of T cells: αβ and γδ T cells, named based on the composition of the T-cell receptor. γδ T cells are rare, making up 0.5%-10% of T cells. Although most leukemias, lymphomas, and immune-mediated conditions derive from αβ T cells, a handful of rare but important diseases are generally derived from γδ T cells, particularly primary cutaneous γδ T-cell lymphoma, hepatosplenic T-cell lymphoma, and monomorphic epitheliotropic intestinal T-cell lymphoma. There are also malignancies that may evince a γδ TCR phenotype, including large granulocytic lymphocyte leukemia, T-cell acute lymphobplastic leukemia (T-ALL), and mycosis fungoides, although such cases are rare. In this article, we will review the genesis of the T-cell receptor, the role of γδ T cells, and the importance of TCR type and methods of detection and outline the evidence for prognostic significance (or lack thereof) in lymphomas of γδ T cells. We will also highlight conditions that rarely may present with a γδ TCR phenotype and assess the utility of testing for TCR type in these diseases.
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25
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Bcl-2 Immunoexpression in Feline Epitheliotropic Intestinal T-Cell Lymphomas. Vet Sci 2022; 9:vetsci9040168. [PMID: 35448666 PMCID: PMC9028225 DOI: 10.3390/vetsci9040168] [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: 02/28/2022] [Revised: 03/26/2022] [Accepted: 03/30/2022] [Indexed: 11/17/2022] Open
Abstract
Lymphoma is the most common malignant hematopoietic neoplasm in domestic felines. Twenty-two cases of feline epitheliotropic duodenal T-cell lymphoma were characterized morphologically and immunohistochemically (CD3, Pax5, Ki-67), and Bcl-2 immunoexpression was established. Most cases were in domestic shorthair cats (88.2%), with a mean age of 11.2 years. All lymphomas were CD3+, with a low-to-moderate expression of Ki-67 (<30%). A correlation between the tumoral pattern of infiltration in the lamina propria and the intraepithelial distribution of the neoplastic lymphocytes was established (p = 0.0155). Intraepithelial nests of neoplastic lymphocytes were predominantly observed in lymphomas with a patchy distribution in the lamina propria, whereas intraepithelial plaques were seen in lymphomas with an obliteration pattern. Bcl-2 was expressed in neoplastic cells in all cases, and a higher expression was associated with increased villous stunting (p = 0.0221), and tended to be present in those cases with increased epithelial damage. The expression of Bcl-2 and the degree of epitheliotropism were correlated with neoplastic progression in epitheliotropic intestinal T-cell lymphomas; those displaying high Bcl-2 immunoexpression showed increased villous stunting and epithelial damage, suggesting that Bcl-2 is overexpressed in advanced tumor stages, and may be used as a predictor of tumoral behavior in feline epitheliotropic intestinal T-cell lymphomas. This entity showed many similarities with human MEITL, so the latter entity should be considered in further lymphoma classifications of domestic animals.
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26
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Hathuc V, Kreisel F. Genetic Landscape of Peripheral T-Cell Lymphoma. Life (Basel) 2022; 12:life12030410. [PMID: 35330161 PMCID: PMC8954173 DOI: 10.3390/life12030410] [Citation(s) in RCA: 8] [Impact Index Per Article: 4.0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 02/23/2022] [Accepted: 03/06/2022] [Indexed: 11/16/2022] Open
Abstract
Peripheral T-Cell lymphoma (PTCL) comprises a heterogenous group of uncommon lymphomas derived from mature, post-thymic or “peripheral” T- and natural killer cells. The World Health Organization (WHO) emphasizes a multiparameter approach in the diagnosis and subclassification of these neoplasms, integrating clinical, morphologic, immunophenotypic, and genetic features into the final diagnosis. Clinical presentation is particularly important due to histologic, immunophenotypic and genetic variations within established subtypes, and no convenient immunophenotypic marker of monoclonality exists. In recent years, widespread use of gene expression profiling and next-generation sequencing (NGS) techniques have contributed to an improved understanding of the pathobiology in PTCLs, and these have been incorporated into the 2016 revised WHO classification of mature T- and NK-cell neoplasms which now encompasses nearly 30 distinct entities. This review discusses the genetic landscape of PTCL and its role in subclassification, prognosis, and potential targeted therapy. In addition to discussing T-Cell lymphoma subtypes with relatively well-defined or relevant genetic aberrancies, special attention is given to genetic advances in T-Cell lymphomas of T follicular helper cell (TFH) origin, highlighting genetic overlaps between angioimmunoblastic T-Cell lymphoma (AITL), follicular T-Cell lymphoma, and nodal peripheral T-Cell lymphoma with a TFH phenotype. Furthermore, genetic drivers will be discussed for ALK-negative anaplastic large cell lymphomas and their role in differentiating these from CD30+ peripheral T-Cell lymphoma, not otherwise specified (NOS) and primary cutaneous anaplastic large cell lymphoma. Lastly, a closer look is given to genetic pathways in peripheral T-Cell lymphoma, NOS, which may guide in teasing out more specific entities in a group of T-Cell lymphomas that represents the most common subcategory and is sometimes referred to as a “wastebasket” category.
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27
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Mashayekhi A, Quiroga EF, Margolick JF, Post GR. Intestinal T-cell lymphoma: A rare entity presenting with severe acute upper quadrant pain. Clin Case Rep 2022; 10:e05546. [PMID: 35280095 PMCID: PMC8898819 DOI: 10.1002/ccr3.5546] [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: 09/20/2021] [Revised: 01/12/2022] [Accepted: 02/16/2022] [Indexed: 11/11/2022] Open
Abstract
Primary gastrointestinal T-cell lymphomas are rare. Presenting symptoms can be non-specific, and imaging studies can show overlap with nonmalignant processes. Definitive diagnosis requires clinical suspicion and histologic evaluation with ancillary studies for appropriate disease classification and therapeutic intervention.
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Affiliation(s)
- Azin Mashayekhi
- Department of PathologyUniversity of Arkansas for Medical SciencesLittle RockArkansasUSA
| | | | - Joseph F. Margolick
- Division of Trauma and Surgical Critical CareDepartment of SurgeryUniversity of Arkansas for Medical SciencesLittle RockArkansasUSA
| | - Ginell R. Post
- Department of PathologyUniversity of Arkansas for Medical SciencesLittle RockArkansasUSA
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28
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Assis-Mendoça GR, Paula RVD, Roversi FM, Bueno ML, Silva ACFD, Montes CG, Vassallo J, Cunha-Silva M. Visible intestinal peristalsis and chronic diarrhea due to a rare lymphoproliferative disease. REVISTA ESPAÑOLA DE ENFERMEDADES DIGESTIVAS 2022; 115:200-201. [PMID: 35899698 DOI: 10.17235/reed.2022.9042/2022] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 11/20/2022]
Abstract
We present the case of a 45-year-old man with watery diarrhea for 2 years, leading to marked weight loss (52 kg). On admission, the patient presented with pallor, dehydration and cachexia. Abdominal examination revealed increased bowel sounds, painful and visible intestinal peristalsis, suggesting intestinal obstruction. There was no response to a gluten-free diet and nutritional support. Finally, the patient developed pulmonary infection, septic shock and died 3 months after admission. The diagnosis of CD4+/CD8+ indolent T-cell lymphoma of the GI tract was made post-mortem.
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29
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Koo YY, Lee J, Kim B, Jeong SJ, Oh EH, Park YE, Park J, Kim TO. Natural Killer-cell Enteropathy of the Stomach in an Elderly Woman: A Case Report. THE KOREAN JOURNAL OF GASTROENTEROLOGY 2021; 78:349-352. [DOI: 10.4166/kjg.2021.116] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Track Full Text] [Subscribe] [Scholar Register] [Received: 08/03/2021] [Revised: 09/10/2021] [Accepted: 10/19/2021] [Indexed: 11/03/2022]
Affiliation(s)
- Ye young Koo
- Department of Internal Medicine, Inje University Haeundae Paik Hospital, Inje University College of Medicine, Busan, Korea
| | - Jin Lee
- Department of Internal Medicine, Inje University Haeundae Paik Hospital, Inje University College of Medicine, Busan, Korea
| | - Bomi Kim
- Department of Pathology, Inje University Haeundae Paik Hospital, Inje University College of Medicine, Busan, Korea
| | - Su Jin Jeong
- Department of Internal Medicine, Inje University Haeundae Paik Hospital, Inje University College of Medicine, Busan, Korea
| | - Eun Hye Oh
- Department of Internal Medicine, Inje University Haeundae Paik Hospital, Inje University College of Medicine, Busan, Korea
| | - Yong Eun Park
- Department of Internal Medicine, Inje University Haeundae Paik Hospital, Inje University College of Medicine, Busan, Korea
| | - Jongha Park
- Department of Internal Medicine, Inje University Haeundae Paik Hospital, Inje University College of Medicine, Busan, Korea
| | - Tae Oh Kim
- Department of Internal Medicine, Inje University Haeundae Paik Hospital, Inje University College of Medicine, Busan, Korea
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30
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Schönefeldt S, Wais T, Herling M, Mustjoki S, Bekiaris V, Moriggl R, Neubauer HA. The Diverse Roles of γδ T Cells in Cancer: From Rapid Immunity to Aggressive Lymphoma. Cancers (Basel) 2021; 13:6212. [PMID: 34944832 PMCID: PMC8699114 DOI: 10.3390/cancers13246212] [Citation(s) in RCA: 11] [Impact Index Per Article: 3.7] [Reference Citation Analysis] [Abstract] [Key Words] [Grants] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 10/01/2021] [Revised: 12/02/2021] [Accepted: 12/03/2021] [Indexed: 12/13/2022] Open
Abstract
γδ T cells are unique players in shaping immune responses, lying at the intersection between innate and adaptive immunity. Unlike conventional αβ T cells, γδ T cells largely populate non-lymphoid peripheral tissues, demonstrating tissue specificity, and they respond to ligands in an MHC-independent manner. γδ T cells display rapid activation and effector functions, with a capacity for cytotoxic anti-tumour responses and production of inflammatory cytokines such as IFN-γ or IL-17. Their rapid cytotoxic nature makes them attractive cells for use in anti-cancer immunotherapies. However, upon transformation, γδ T cells can give rise to highly aggressive lymphomas. These rare malignancies often display poor patient survival, and no curative therapies exist. In this review, we discuss the diverse roles of γδ T cells in immune surveillance and response, with a particular focus on cancer immunity. We summarise the intriguing dichotomy between pro- and anti-tumour functions of γδ T cells in solid and haematological cancers, highlighting the key subsets involved. Finally, we discuss potential drivers of γδ T-cell transformation, summarising the main γδ T-cell lymphoma/leukaemia entities, their clinical features, recent advances in mapping their molecular and genomic landscapes, current treatment strategies and potential future targeting options.
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Affiliation(s)
- Susann Schönefeldt
- Institute of Animal Breeding and Genetics, University of Veterinary Medicine Vienna, 1210 Vienna, Austria; (S.S.); (T.W.); (R.M.)
| | - Tamara Wais
- Institute of Animal Breeding and Genetics, University of Veterinary Medicine Vienna, 1210 Vienna, Austria; (S.S.); (T.W.); (R.M.)
| | - Marco Herling
- Department of Hematology, Cellular Therapy and Hemostaseology, University of Leipzig, 04103 Leipzig, Germany;
| | - Satu Mustjoki
- Hematology Research Unit Helsinki, Helsinki University Hospital Comprehensive Cancer Center, 00290 Helsinki, Finland;
- iCAN Digital Precision Cancer Medicine Flagship, 00014 Helsinki, Finland
- Translational Immunology Research Program and Department of Clinical Chemistry and Hematology, University of Helsinki, 00014 Helsinki, Finland
| | - Vasileios Bekiaris
- Department of Health Technology, Technical University of Denmark, 2800 Kongens Lyngby, Denmark;
| | - Richard Moriggl
- Institute of Animal Breeding and Genetics, University of Veterinary Medicine Vienna, 1210 Vienna, Austria; (S.S.); (T.W.); (R.M.)
| | - Heidi A. Neubauer
- Institute of Animal Breeding and Genetics, University of Veterinary Medicine Vienna, 1210 Vienna, Austria; (S.S.); (T.W.); (R.M.)
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Bigas A, Rodriguez-Sevilla JJ, Espinosa L, Gallardo F. Recent advances in T-cell lymphoid neoplasms. Exp Hematol 2021; 106:3-18. [PMID: 34879258 DOI: 10.1016/j.exphem.2021.12.191] [Citation(s) in RCA: 9] [Impact Index Per Article: 3.0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 09/11/2021] [Revised: 11/29/2021] [Accepted: 12/02/2021] [Indexed: 12/14/2022]
Abstract
T Cells comprise many subtypes of specified lymphocytes, and their differentiation and function take place in different tissues. This cellular diversity is also observed in the multiple ways T-cell transformation gives rise to a variety of T-cell neoplasms. This review covers the main types of T-cell malignancies and their specific characteristics, emphasizing recent advances at the cellular and molecular levels as well as differences and commonalities among them.
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Affiliation(s)
- Anna Bigas
- Program in Cancer Research, Institut Hospital del Mar d'Investigacions Mèdiques (IMIM), CIBERONC, Barcelona, Spain; Institut Josep Carreras contra la Leucemia, Barcelona, Spain.
| | | | - Lluis Espinosa
- Program in Cancer Research, Institut Hospital del Mar d'Investigacions Mèdiques (IMIM), CIBERONC, Barcelona, Spain
| | - Fernando Gallardo
- Dermatology Department, Parc de Salut Mar-Hospital del Mar, Barcelona, Spain.
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Zanelli M, Sanguedolce F, Palicelli A, Zizzo M, Martino G, Caprera C, Fragliasso V, Soriano A, Gozzi F, Cimino L, Masia F, Moretti M, Foroni M, De Marco L, Pellegrini D, De Raeve H, Ricci S, Tamagnini I, Tafuni A, Cavazza A, Merli F, Pileri SA, Ascani S. EBV-Driven Lymphoproliferative Disorders and Lymphomas of the Gastrointestinal Tract: A Spectrum of Entities with a Common Denominator (Part 3). Cancers (Basel) 2021; 13:6021. [PMID: 34885131 PMCID: PMC8656853 DOI: 10.3390/cancers13236021] [Citation(s) in RCA: 2] [Impact Index Per Article: 0.7] [Reference Citation Analysis] [Abstract] [Key Words] [Grants] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 11/11/2021] [Revised: 11/27/2021] [Accepted: 11/28/2021] [Indexed: 12/28/2022] Open
Abstract
EBV is the first known oncogenic virus involved in the development of several tumors. The majority of the global population are infected with the virus early in life and the virus persists throughout life, in a latent stage, and usually within B lymphocytes. Despite the worldwide diffusion of EBV infection, EBV-associated diseases develop in only in a small subset of individuals often when conditions of immunosuppression disrupt the balance between the infection and host immune system. EBV-driven lymphoid proliferations are either of B-cell or T/NK-cell origin, and range from disorders with an indolent behavior to aggressive lymphomas. In this review, which is divided in three parts, we provide an update of EBV-associated lymphoid disorders developing in the gastrointestinal tract, often representing a challenging diagnostic and therapeutic issue. Our aim is to provide a practical diagnostic approach to clinicians and pathologists who face this complex spectrum of disorders in their daily practice. In this part of the review, the chronic active EBV infection of T-cell and NK-cell type, its systemic form; extranodal NK/T-cell lymphoma, nasal type and post-transplant lymphoproliferative disorders are discussed.
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Affiliation(s)
- Magda Zanelli
- Pathology Unit, Azienda USL-IRCCS di Reggio Emilia, 42123 Reggio Emilia, Italy; (A.P.); (M.F.); (L.D.M.); (S.R.); (I.T.); (A.C.)
| | | | - Andrea Palicelli
- Pathology Unit, Azienda USL-IRCCS di Reggio Emilia, 42123 Reggio Emilia, Italy; (A.P.); (M.F.); (L.D.M.); (S.R.); (I.T.); (A.C.)
| | - Maurizio Zizzo
- Surgical Oncology Unit, Azienda USL-IRCCS di Reggio Emilia, 42123 Reggio Emilia, Italy;
| | - Giovanni Martino
- Pathology Unit, Azienda Ospedaliera Santa Maria di Terni, University of Perugia, 05100 Terni, Italy; (G.M.); (C.C.); (D.P.); (S.A.)
| | - Cecilia Caprera
- Pathology Unit, Azienda Ospedaliera Santa Maria di Terni, University of Perugia, 05100 Terni, Italy; (G.M.); (C.C.); (D.P.); (S.A.)
| | - Valentina Fragliasso
- Laboratory of Translational Research, Azienda USL-IRCCS di Reggio Emilia, 42123 Reggio Emilia, Italy;
| | - Alessandra Soriano
- Gastroenterology Division, Azienda USL-IRCCS di Reggio Emilia, 42123 Reggio Emilia, Italy;
| | - Fabrizio Gozzi
- Ocular Immunology Unit, Azienda USL-IRCCS di Reggio Emilia, 42123 Reggio Emilia, Italy; (F.G.); (L.C.)
| | - Luca Cimino
- Ocular Immunology Unit, Azienda USL-IRCCS di Reggio Emilia, 42123 Reggio Emilia, Italy; (F.G.); (L.C.)
| | - Francesco Masia
- Dipartimento di Medicina, Università degli Studi di Perugia, 05100 Terni, Italy; (F.M.); (M.M.)
| | - Marina Moretti
- Dipartimento di Medicina, Università degli Studi di Perugia, 05100 Terni, Italy; (F.M.); (M.M.)
| | - Moira Foroni
- Pathology Unit, Azienda USL-IRCCS di Reggio Emilia, 42123 Reggio Emilia, Italy; (A.P.); (M.F.); (L.D.M.); (S.R.); (I.T.); (A.C.)
| | - Loredana De Marco
- Pathology Unit, Azienda USL-IRCCS di Reggio Emilia, 42123 Reggio Emilia, Italy; (A.P.); (M.F.); (L.D.M.); (S.R.); (I.T.); (A.C.)
| | - David Pellegrini
- Pathology Unit, Azienda Ospedaliera Santa Maria di Terni, University of Perugia, 05100 Terni, Italy; (G.M.); (C.C.); (D.P.); (S.A.)
| | - Hendrik De Raeve
- Pathology, University Hospital Brussels, 1090 Brussels, Belgium;
- Pathology, O.L.V. Hospital Aalst, 9300 Aalst, Belgium
| | - Stefano Ricci
- Pathology Unit, Azienda USL-IRCCS di Reggio Emilia, 42123 Reggio Emilia, Italy; (A.P.); (M.F.); (L.D.M.); (S.R.); (I.T.); (A.C.)
| | - Ione Tamagnini
- Pathology Unit, Azienda USL-IRCCS di Reggio Emilia, 42123 Reggio Emilia, Italy; (A.P.); (M.F.); (L.D.M.); (S.R.); (I.T.); (A.C.)
| | - Alessandro Tafuni
- Pathology Unit, Department of Medicine and Surgery, University of Parma, 43121 Parma, Italy;
| | - Alberto Cavazza
- Pathology Unit, Azienda USL-IRCCS di Reggio Emilia, 42123 Reggio Emilia, Italy; (A.P.); (M.F.); (L.D.M.); (S.R.); (I.T.); (A.C.)
| | - Francesco Merli
- Hematology Unit, Azienda USL-IRCCS di Reggio Emilia, 42123 Reggio Emilia, Italy;
| | - Stefano A. Pileri
- Haematopathology Division, European Institute of Oncology-IEO IRCCS Milan, 20141 Milan, Italy;
| | - Stefano Ascani
- Pathology Unit, Azienda Ospedaliera Santa Maria di Terni, University of Perugia, 05100 Terni, Italy; (G.M.); (C.C.); (D.P.); (S.A.)
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Ozaka S, Inoue K, Okajima T, Tasaki T, Ariki S, Ono H, Ando T, Daa T, Murakami K. Monomorphic epitheliotropic intestinal T-cell lymphoma presenting as melena with long-term survival: A case report and review of literature. World J Gastroenterol 2021; 27:6501-6510. [PMID: 34720538 PMCID: PMC8517785 DOI: 10.3748/wjg.v27.i38.6501] [Citation(s) in RCA: 3] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Download PDF] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 04/09/2021] [Revised: 06/01/2021] [Accepted: 09/06/2021] [Indexed: 02/06/2023] Open
Abstract
BACKGROUND Monomorphic epitheliotropic intestinal T-cell lymphoma (MEITL) is a rare primary intestinal T-cell lymphoma, previously known as enteropathy-associated T-cell lymphoma type II. MEITL is an aggressive T-cell lymphoma with a poor prognosis and high mortality rate. The known major complications of MEITL are intestinal perforation and obstruction. Here, we present a case of MEITL that was diagnosed following upper gastrointestinal bleeding from an ulcerative duodenal lesion, with recurrence-free survival for 5 years.
CASE SUMMARY A 68-year-old female was admitted to our hospital with melena and mild anemia. An urgent esophagogastroduodenoscopy (EGD) revealed bleeding from an ulcerative lesion in the transverse part of the duodenum, for which hemostatic treatment was performed. MEITL was diagnosed following repeated biopsies of the lesion, and cyclophosphamide, doxorubicin, vincristine, and prednisone (CHOP) chemotherapy was administered. She achieved complete remission after eight full cycles of CHOP therapy. At the last follow-up examination, EGD revealed a scarred ulcer and 18Fluorodeoxyglucose (18FDG) positron emission tomography/computed tomography showed no abnormal FDG accumulation. The patient has been in complete remission for 68 mo after initial diagnosis.
CONCLUSION To rule out MEITL, it is important to carefully perform histological examination when bleeding from a duodenal ulcer is observed.
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Affiliation(s)
- Sotaro Ozaka
- Department of Gastroenterology, Faculty of Medicine, Oita University, Oita 879-5593, Japan
| | - Kunimitsu Inoue
- Department of Gastroenterology, Almeida Memorial Hospital, Oita 870-1195, Japan
| | - Tomoya Okajima
- Department of Gastroenterology, Almeida Memorial Hospital, Oita 870-1195, Japan
| | - Takako Tasaki
- Department of Gastroenterology, Almeida Memorial Hospital, Oita 870-1195, Japan
| | - Shimpei Ariki
- Department of Gastroenterology, Faculty of Medicine, Oita University, Oita 879-5593, Japan
| | - Hideki Ono
- Department of Gastroenterology, Almeida Memorial Hospital, Oita 870-1195, Japan
| | - Takeaki Ando
- Department of Hematology, Almeida Memorial Hospital, Oita 870-1195, Japan
| | - Tsutomu Daa
- Department of Diagnostic Pathology, Oita University, Oita 879-5593, Japan
| | - Kazunari Murakami
- Department of Gastroenterology, Faculty of Medicine, Oita University, Oita 879-5593, Japan
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Zhang X, Zhou J, Han X, Wang E, Zhang L. Update on the Classification and Diagnostic Approaches of Mature T-Cell Lymphomas. Arch Pathol Lab Med 2021; 146:947-952. [PMID: 34524423 DOI: 10.5858/arpa.2021-0143-ra] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Accepted: 05/10/2021] [Indexed: 11/06/2022]
Abstract
CONTEXT.— In the 2017 revised World Health Organization classification of tumors of hematopoietic and lymphoid tissues, some mature T-cell lymphomas are reclassified and a few new provisional entities are established based on new data from clinical and laboratory studies. T follicular helper cell lymphoma is identified by T follicular helper cell markers. Anaplastic large cell lymphoma, ALK negative, is a better-defined entity based on genetic abnormalities, and breast implant-associated anaplastic large cell lymphoma is recognized as a provisional entity. The gastrointestinal T-cell lymphomas are reclassified, with addition of a new provisional entity, indolent T-cell lymphoproliferative disorder of the gastrointestinal tract, characterized by an indolent clinical course. OBJECTIVE.— To review the diagnostic approaches of reclassified and newly established entities of mature T-cell lymphomas, focusing on significant immunophenotypic features and molecular genetic abnormalities. Relevant new discoveries after the publication of the 2017 World Health Organization classification are included. DATA SOURCES.— Information from the literature most relevant to 2017 World Health Organization revised classification and publications after 2016. CONCLUSIONS.— Incorporating clinical, morphologic, and immunophenotypic features usually provides sufficient evidence to reach a preliminary diagnosis of mature T-cell lymphoma. Molecular genetic studies can be very helpful for the final diagnosis and classification, especially in challenging cases. Some molecular genetic features have been found in breast implant-associated anaplastic large cell lymphoma, distinct from anaplastic large cell lymphoma, ALK negative. Immunohistochemical staining of 4 markers may enable further subtyping of peripheral T-cell lymphomas.
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Affiliation(s)
- Xiaohui Zhang
- From the Department of Pathology, H. Lee Moffitt Cancer Center and Research Institute, Tampa, Florida (X. Zhang)
| | - Jiehao Zhou
- The Department of Pathology and Laboratory Medicine, Indiana University School of Medicine, Indianapolis (Zhou)
| | - Xin Han
- The Department of Laboratory Medicine, The University of Texas MD Anderson Cancer Center, Houston (Han)
| | - Endi Wang
- The Department of Pathology, Duke University Medical Center, Durham, North Carolina (Wang)
| | - Linsheng Zhang
- The Department of Pathology and Laboratory Medicine, Emory University School of Medicine, Atlanta, Georgia (L. Zhang)
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Zhong H, Zheng Y, Zhang F. Monomorphic epitheliotropic intestinal T-cell lymphomas: a case report. Diagn Pathol 2021; 16:80. [PMID: 34461952 PMCID: PMC8407069 DOI: 10.1186/s13000-021-01143-x] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.3] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 05/28/2021] [Accepted: 08/18/2021] [Indexed: 02/05/2023] Open
Abstract
BACKGROUND Monomorphic epitheliotropic intestinal T-cell lymphomas (MEITL) is a rare and aggressive subtype of lymphoma. The most common site of origin is small intestine. Patients are often presented with diagnosis of intestinal perforation with abdominal pain as the main consulting symptoms. Because of the deficiency of specific diagnostic measures and effective management, diagnosis is often confirmed in advanced stage with poor prognosis. CASE PRESENTATION Here, we introduce a patient who has suffered from abdominal pain and diarrhea, and eventually been diagnosed as Monomorphic epitheliotropic intestinal T-cell lymphomas. CONCLUSION MEITL is rare in clinical practice with deficiency of early diagnostic measures and poor prognosis. Therefore, any patient with ambiguous gastrointestinal symptoms or perforation of the digestive tract where the primary lesion is difficult to identify should be alert to the possibility of this disease.
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Affiliation(s)
- Haibin Zhong
- Department of General Surgery, The First Affiliated Hospital of Shantou University Medical College, Shantou, 515041, China
| | - Yang Zheng
- Department of General Surgery, The First Affiliated Hospital of Shantou University Medical College, Shantou, 515041, China
| | - Feiran Zhang
- Department of General Surgery, The First Affiliated Hospital of Shantou University Medical College, Shantou, 515041, China.
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Kansoun A, Chamma L, Sadek M, Maerevoet M, Ghorra C, Abboud AA, Alam H. Intestinal presentation of non-Hodgkin lymphoma: Case report. Int J Surg Case Rep 2021; 86:106346. [PMID: 34454215 PMCID: PMC8405975 DOI: 10.1016/j.ijscr.2021.106346] [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: 06/25/2021] [Revised: 08/21/2021] [Accepted: 08/21/2021] [Indexed: 11/17/2022] Open
Abstract
Background MEITL (monomorphic epitheliotropic intestinal T-cell lymphoma) is a rare primary intestinal T-cell lymphoma associated with high mortality rate. Being intestinal this implies difficult diagnostic workup and management. Case We present a case of 59-year-old male presented with abdominal pain and found to have 15 × 11 cm mass in the right iliac fossa. Decision for surgical excision was retained and the Pathological examination determined monomorphic epitheliotropic intestinal T-cell lymphoma (MEITL) with CD30 positive immune-histochemical profile. Conclusion MEITL is a rare entity which retains challenging diagnosis and management as well as variable immune-histochemical profile. In the absence of clear guidelines for the management of intestinal manifestation of lymphoma, surgical approach may have its indications. Intestinal manifestation of lymphoma is a rare entity. This report highlights the surgical indication in establishing the diagnosis and the management. MEITL may present with variable immune-histochemical profile being CD30 positive.
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Affiliation(s)
- Alaa Kansoun
- Lebanese University, Faculty of Medical Sciences, Department of General Surgery, Beirut, Lebanon.
| | - Linda Chamma
- Lebanese University, Faculty of Medical Sciences, Department of General Surgery, Beirut, Lebanon
| | - Maroun Sadek
- Lebanese University, Faculty of Medical Sciences, Department of Hematology and Oncology, Beirut, Lebanon
| | - Marie Maerevoet
- Department of Hematology, Institute of Bordet, Universite Libre de Bruxelles, Bruxelles, Belgium.
| | - Claude Ghorra
- Lebanese University, Faculty of Medical Sciences, Department of Pathology, Beirut, Lebanon
| | - Antoine Abi Abboud
- Lebanese University, Faculty of Medical Sciences, Department of Gastro-enterology, Beirut, Lebanon
| | - Houssam Alam
- Lebanese University, Faculty of Medical Sciences, Department of General Surgery, Beirut, Lebanon
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Pizzi M, Sabattini E, Parente P, Bellan A, Doglioni C, Lazzi S. Gastrointestinal lymphoproliferative lesions: a practical diagnostic approach. Pathologica 2021; 112:227-247. [PMID: 33179624 PMCID: PMC7931576 DOI: 10.32074/1591-951x-161] [Citation(s) in RCA: 3] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 06/29/2020] [Accepted: 06/29/2020] [Indexed: 12/15/2022] Open
Abstract
The gastrointestinal tract (GI) is the primary site of lymphoproliferative lesions, spanning from reactive lymphoid hyperplasia to overt lymphoma. The diagnosis of these diseases is challenging and an integrated approach based on clinical, morphological, immunohistochemical and molecular data is needed. To reach to confident conclusions, a stepwise approach is highly recommended. Histological evaluation should first assess the benign versus neoplastic nature of a given lymphoid infiltrate. Morphological and phenotypic analyses should then be applied to get to a definite diagnosis. This review addresses the key histological features and diagnostic workup of the most common GI non-Hodgkin lymphomas (NHLs). Differential diagnoses and possible pitfalls are discussed by considering distinct groups of lesions (i.e. small to medium B-cell NHLs; medium to large B-cell NHLs; T-cell NHLs; and mimickers of Hodgkin lymphoma). The key clinical and epidemiological features of each entity are also described.
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Affiliation(s)
- Marco Pizzi
- General Pathology and Cytopathology Unit, Department of Medicine - DIMED, University of Padova, Italy
| | - Elena Sabattini
- Hematopathology Unit, Sant'Orsola University Hospital, Bologna (BO), Italy
| | - Paola Parente
- Pathology Unit, Fondazione IRCCS Ospedale Casa Sollievo della Sofferenza, San Giovanni Rotondo (FG), Italy
| | - Alberto Bellan
- Department of Pathology, ULSS6, Camposampiero Hospital, Camposampiero (PD), Italy
| | - Claudio Doglioni
- Department of Pathology, University Vita-Salute San Raffaele, IRCCS San Raffaele Hospital, Milano, Italy
| | - Stefano Lazzi
- Department of Medical Biotechnology, Section of Pathology, University of Siena, Italy
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Zain JM, Hanona P. Aggressive T-cell lymphomas: 2021 Updates on diagnosis, risk stratification and management. Am J Hematol 2021; 96:1027-1046. [PMID: 34111312 DOI: 10.1002/ajh.26270] [Citation(s) in RCA: 18] [Impact Index Per Article: 6.0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 06/07/2021] [Accepted: 06/08/2021] [Indexed: 12/19/2022]
Abstract
INTRODUCTION Aggressive T-cell lymphomas continue to have a poor prognosis. There are over 27 different subtypes of peripheral T-cell lymphoma (PTCL), and we are now beginning to understand the differences between the various subtypes beyond histologic variations. MOLECULAR PATHOGENESIS OF VARIOUS SUBTYPES OF PTCL Gene expression profiling (GEP) can help in diagnosis and prognostication of various subtypes including PTCL-nos and anaplastic large cell lymphoma (ALCL). In addition, mutational analysis is now being incorporated in clinical trials of novel agents to evaluate various biomarkers of response to allow better therapeutic choices for patients. TARGETED THERAPIES There are many targeted agents currently in various stages of clinical trials for PTCL that take advantage of the differential expression of specific proteins or receptors in PTCL tumors. This includes the CD30 directed antibody drug conjugate brentuximab vedotin. Other notable targets are CD25, CCR4, inhibition of PI3kinase - m TOR and JAK/STAT pathways. The ALK inhibitors are promising for ALK expressing tumors. IMMUNOTHERAPIES Allogeneic stem cell transplant continues to be the curative therapy for most aggressive subtypes of PTCL. The use of checkpoint inhibitors in the treatment of PTCL is still controversial. The most promising results have been seen in cases of extranodal natural killer cell/T-cell (ENK/T) lymphomas and cutaneous T-cell lymphomas (CTCL). Bispecific antibody based treatments as well as CAR-T cell based therapies are in clinical trials.
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Affiliation(s)
- Jasmine M. Zain
- Department of Hematology/Hematopoietic Cell Transplantation City of Hope Medical Center Duarte California USA
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Kojima K, Chambers JK, Ii T, Nibe K, Mizuno T, Uchida K. Histopathological features and immunophenotyping of canine transmural gastrointestinal lymphoma using full-thickness biopsy samples. Vet Pathol 2021; 58:1033-1043. [PMID: 34282671 DOI: 10.1177/03009858211030523] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.3] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 01/12/2023]
Abstract
To elucidate the histopathological characteristics and immunophenotypes of canine transmural "mass-forming" gastrointestinal lymphomas and plasmacytomas, 83 surgically resected biopsy samples were examined. All lymphomas and plasmacytomas were located in the small or large intestine except for 1 plasmacytoma which was in the stomach. According to the World Health Organization (WHO) classification, B-cell neoplasms (17 cases) included lymphoplasmacytic lymphoma (6/17), plasmacytoma (5/17), follicular lymphoma (3/17), and diffuse large B-cell lymphoma (3/17). Based on nuclear sizes, T-cell neoplasms (66 cases) were broadly divided into large cell lymphoma (LCL; 48/66) and small cell lymphoma (SCL; 18/66). According to the WHO classification, T-cell neoplasms included anaplastic large T-cell lymphoma (ALCL; 10/66), angiotropic T-cell lymphoma (3/66), mixed inflammatory type peripheral T-cell lymphoma (mixed inflammatory type PTCL; 33/66), and PTCL-not otherwise specified (PTCL-NOS; 20/66). Mixed inflammatory type PTCLs were further divided into histiocyte- (27/33) and eosinophil- (6/33) dominant types. Immunohistochemically, lymphoplasmacytic lymphomas were positive for Pax5 (6/6) and IgM (5/6), while plasmacytomas were positive for IgG (5/6) and negative for Pax5. LCLs were immunopositive for granzyme B in 31/48 cases (65%) and CD8 in 9/48 cases (19%), while SCLs were immunopositive for granzyme B in 3/18 cases (17%) and CD8 in 3/18 cases (17%). Furthermore, 8/10 cases (80%) of ALCL and 19/27 cases (70%) of histiocyte-dominant PTCL were immunopositive for granzyme B, whereas 6/20 cases (30%) of PTCL-NOS, 1/6 cases (17%) of eosinophil-dominant PTCL, and no cases of angiotropic T-cell lymphomas were immunopositive for granzyme B. The present study describes the immunophenotypes in different histological types of transmural gastrointestinal lymphomas in the dog.
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Sanguedolce F, Zanelli M, Zizzo M, Luminari S, Martino G, Soriano A, Ricci L, Caprera C, Ascani S. Indolent T-Cell Lymphoproliferative Disorders of the Gastrointestinal Tract (iTLPD-GI): A Review. Cancers (Basel) 2021; 13:cancers13112790. [PMID: 34205136 PMCID: PMC8199971 DOI: 10.3390/cancers13112790] [Citation(s) in RCA: 18] [Impact Index Per Article: 6.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 04/30/2021] [Revised: 05/26/2021] [Accepted: 06/01/2021] [Indexed: 12/12/2022] Open
Abstract
Simple Summary This review aims to better define the clinical, pathological, and molecular features of the novel lymphoproliferative disease termed “indolent T-cell lymphoproliferative disorder of the gastro-intestinal tract (iTLPD-GI)”, to discuss potential pitfalls in differentiating this entity from other neoplastic and non-neoplastic disorders arising at the same site, and to point out a biomarker-based approach to the diagnosis. Abstract iTLPD-GI is a low-grade clonal T-cell lymphoproliferative disease arising in GI organs. It is an uncommon disease, and only recently has it been enlisted as a distinct provisional entity in the current WHO Classification. Data from the literature disclose high heterogeneity in terms of pathological and molecular features; on the other hand, establishing an accurate diagnosis of iTLPD-GI is of pivotal importance, since treatment options are different from that of other, more frequent lymphomas that arise in the gastrointestinal tract. In this review, we aimed to better define this novel entity, and to identify useful diagnostic biomarkers; moreover, we provide a biomarker-based approach to the diagnosis and describe the most common issues in differentiating iTLPD-GI from other neoplastic and non-neoplastic disorders.
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Affiliation(s)
- Francesca Sanguedolce
- Pathology Unit, Policlinico Riuniti, University of Foggia, 71121 Foggia, Italy
- Correspondence: ; Tel.: +39-881-736-315
| | - Magda Zanelli
- Pathology Unit, Azienda USL-IRCCS di Reggio Emilia, 42122 Reggio Emilia, Italy;
| | - Maurizio Zizzo
- Surgical Oncology Unit, Azienda USL-IRCCS di Reggio Emilia, 42122 Reggio Emilia, Italy;
- Clinical and Experimental Medicine PhD Program, University of Modena and Reggio Emilia, 41121 Modena, Italy
| | - Stefano Luminari
- Hematology Unit, Azienda USL-IRCCS di Reggio Emilia, 42122 Reggio Emilia, Italy;
| | - Giovanni Martino
- Hematology Unit, University of Perugia, CREO Perugia, 06124 Perugia, Italy;
| | - Alessandra Soriano
- Gastroenterology Unit, Azienda USL-IRCCS di Reggio Emilia, 42122 Reggio Emilia, Italy;
| | - Linda Ricci
- Pathology Unit, Azienda Ospedaliera S. Maria di Terni, University of Perugia, 05100 Terni, Italy; (L.R.); (C.C.); (S.A.)
| | - Cecilia Caprera
- Pathology Unit, Azienda Ospedaliera S. Maria di Terni, University of Perugia, 05100 Terni, Italy; (L.R.); (C.C.); (S.A.)
| | - Stefano Ascani
- Pathology Unit, Azienda Ospedaliera S. Maria di Terni, University of Perugia, 05100 Terni, Italy; (L.R.); (C.C.); (S.A.)
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Freiche V, Cordonnier N, Paulin MV, Huet H, Turba ME, Macintyre E, Malamut G, Cerf-Bensussan N, Molina TJ, Hermine O, Bruneau J, Couronné L. Feline low-grade intestinal T cell lymphoma: a unique natural model of human indolent T cell lymphoproliferative disorder of the gastrointestinal tract. J Transl Med 2021; 101:794-804. [PMID: 33692440 DOI: 10.1038/s41374-021-00581-x] [Citation(s) in RCA: 11] [Impact Index Per Article: 3.7] [Reference Citation Analysis] [Abstract] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 09/01/2020] [Revised: 02/06/2021] [Accepted: 02/07/2021] [Indexed: 12/20/2022] Open
Abstract
Indolent T cell lymphoproliferative disorder (LPD) of the gastrointestinal tract (GI-TLPD) is a rare human primary gastrointestinal T cell lymphoma that was recently included in the 2016 revision of the World Health Organization classification of lymphoid neoplasms. Low-grade intestinal T cell lymphoma (LGITL), an emerging disease in the domestic cat, shares a number of features with human GI-TLPD. In this prospective study, we determined whether feline LGITL might serve as a model of human GI-TLPD. We analyzed clinical, laboratory, and radiological data and performed histopathological and molecular studies on small intestinal biopsies from 22 domestic cats diagnosed with LGITL. This cancer mostly affects aging cats, is associated with nonspecific gastrointestinal tract signs, and is usually characterized by an indolent course. A histopathological analysis indicated that LGITL was mainly located in the jejunum. The small intestinal lamina propria was infiltrated by large numbers of small CD3+ T cell lymphocytes with various CD4 and CD8 expression profiles (CD4+ CD8- (4 out of 11, 36%), CD4- CD8+ (3 out of 11, 27%), and CD4- CD8- (4 out of 11, 36%)). Intraepithelial lymphocyte (IEL) counts were elevated in all cases. Ki67 was expressed in lamina propria lymphocytes and IELs at a low level (<30%). Most LGITLs were labelled by antibodies against phosphorylated STAT5, but were negative for CD56 and phosphorylated STAT3. T cell receptor gamma chain gene monoclonality was found in 86% of cases. These findings confirmed that feline LGITL shares clinical and histopathological features with human GI-TLPD. Feline LGITL may therefore constitute a relevant model of the human disease.
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Affiliation(s)
- Valérie Freiche
- Internal Medicine Department, Ecole Nationale Vétérinaire d'Alfort, Maisons-Alfort, France
- Laboratory of Cellular and Molecular Mechanisms of Hematological Disorders and Therapeutical Implications, INSERM U1163, Imagine Institute, Paris, France
| | - Nathalie Cordonnier
- Pathology Department, Ecole Nationale Vétérinaire d'Alfort, Maisons-Alfort, France
| | - Mathieu Victor Paulin
- Internal Medicine Department, Ecole Nationale Vétérinaire d'Alfort, Maisons-Alfort, France
| | - Hélène Huet
- Pathology Department, Ecole Nationale Vétérinaire d'Alfort, Maisons-Alfort, France
| | | | - Elizabeth Macintyre
- Laboratory of Onco-Hematology, Hôpital Necker - Enfants Malades, Assistance Publique - Hôpitaux de Paris (AP-HP), University of Paris, Paris, France
- INSERM U1151, Necker-Enfants Malades Institute, Paris, France
| | - Georgia Malamut
- Gastroenterology Department, Hôpital Cochin, Assistance Publique - Hôpitaux de Paris (APHP), University of Paris, Paris, France
- Laboratory of Intestinal Immunity, INSERM U1163, Imagine Institute, Paris, France
| | | | - Thierry Jo Molina
- Laboratory of Cellular and Molecular Mechanisms of Hematological Disorders and Therapeutical Implications, INSERM U1163, Imagine Institute, Paris, France
- Pathology Department, Hôpital Necker - Enfants Malades, Assistance Publique - Hôpitaux de Paris (APHP), University of Paris, Paris, France
| | - Olivier Hermine
- Laboratory of Cellular and Molecular Mechanisms of Hematological Disorders and Therapeutical Implications, INSERM U1163, Imagine Institute, Paris, France
- Hematology Department, Hôpital Necker - Enfants Malades, Assistance Publique - Hôpitaux de Paris (APHP), University of Paris, Paris, France
| | - Julie Bruneau
- Laboratory of Cellular and Molecular Mechanisms of Hematological Disorders and Therapeutical Implications, INSERM U1163, Imagine Institute, Paris, France
- Pathology Department, Hôpital Necker - Enfants Malades, Assistance Publique - Hôpitaux de Paris (APHP), University of Paris, Paris, France
| | - Lucile Couronné
- Laboratory of Cellular and Molecular Mechanisms of Hematological Disorders and Therapeutical Implications, INSERM U1163, Imagine Institute, Paris, France.
- Laboratory of Onco-Hematology, Hôpital Necker - Enfants Malades, Assistance Publique - Hôpitaux de Paris (AP-HP), University of Paris, Paris, France.
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Gonzalez RS, Raza A, Propst R, Adeyi O, Bateman J, Sopha SC, Shaw J, Auerbach A. Recent Advances in Digestive Tract Tumors: Updates From the 5th Edition of the World Health Organization "Blue Book". Arch Pathol Lab Med 2021; 145:607-626. [PMID: 32886739 DOI: 10.5858/arpa.2020-0047-ra] [Citation(s) in RCA: 18] [Impact Index Per Article: 6.0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Accepted: 05/12/2020] [Indexed: 11/06/2022]
Abstract
CONTEXT.— The World Health Organization Classification of Tumours: Digestive System Tumors, 5th edition, was published in 2019 and shows several impactful changes as compared with the 4th edition published in 2010. Changes include a revised nomenclature of serrated lesions and revamping the classification of neuroendocrine neoplasms. Appendiceal goblet cell adenocarcinoma is heavily revised, and intrahepatic cholangiocarcinoma is split into 2 subtypes. New subtypes of colorectal carcinoma and hepatocellular carcinoma are described. Precursor lesions are emphasized with their own entries, and both dysplastic and invasive lesions are generally recommended to be graded using a 2-tier system. Hematolymphoid tumors, mesenchymal tumors, and genetic tumor syndromes each have their own sections in the 5th edition. New hematolymphoid lesions include monomorphic epitheliotropic intestinal T-cell lymphoma; duodenal-type follicular lymphoma; intestinal T-cell lymphoma, not otherwise specified; and indolent T-cell lymphoproliferative disorder of the gastrointestinal tract. This paper will provide an in-depth look at the changes in the 5th edition as compared with the 4th edition. OBJECTIVE.— To provide a comprehensive, in-depth update on the World Health Organization classification of digestive tumors, including changes to nomenclature, updated diagnostic criteria, and newly described entities. DATA SOURCES.— The 5th edition of the World Health Organization Classification of Tumours: Digestive System Tumours, as well as the 4th edition. CONCLUSIONS.— The World Health Organization has made many key changes in its newest update on tumors of the digestive system. Pathologists should be aware of these changes and incorporate them into their practice as able or necessary.
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Affiliation(s)
- Raul S Gonzalez
- The Department of Pathology, Beth Israel Deaconess Medical Center, Boston, Massachusetts (Gonzalez)
| | - Anwar Raza
- The Department of Pathology and Human Anatomy, Loma Linda University, Loma Linda, California (Raza, Propst)
| | - Robert Propst
- The Department of Pathology and Human Anatomy, Loma Linda University, Loma Linda, California (Raza, Propst)
| | - Oyedele Adeyi
- The Department of Pathology, University of Minnesota, Minneapolis (Adeyi, Bateman)
| | - Justin Bateman
- The Department of Pathology, University of Minnesota, Minneapolis (Adeyi, Bateman)
| | - Sabrina C Sopha
- The Department of Pathology, University of Maryland Baltimore Washington Medical Center, Glen Burnie (Sopha)
| | - Janet Shaw
- The Joint Pathology Center, Silver Spring, Maryland (Shaw, Auerbach)
| | - Aaron Auerbach
- The Joint Pathology Center, Silver Spring, Maryland (Shaw, Auerbach)
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Alvarez-Lesmes J, Chapman JR, Cassidy D, Zhou Y, Garcia-Buitrago M, Montgomery EA, Lossos IS, Sussman D, Poveda J. Gastrointestinal Tract Lymphomas: A Review of the Most Commonly Encountered Lymphomas. Arch Pathol Lab Med 2021; 145:1585-1596. [PMID: 33836528 DOI: 10.5858/arpa.2020-0661-ra] [Citation(s) in RCA: 5] [Impact Index Per Article: 1.7] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Accepted: 01/04/2021] [Indexed: 11/06/2022]
Abstract
CONTEXT.— The gastrointestinal (GI) tract is the most common site of extranodal non-Hodgkin lymphoma, accounting for 20% to 40% of all extranodal lymphomas. The majority of these are systemic processes secondarily involving the GI tract. Primary GI lymphomas are less common, accounting for approximately 10% to 15% of all non-Hodgkin lymphoma. Most non-Hodgkin lymphoma involving the GI tract are of B-cell lineage, of which diffuse large B-cell lymphoma is the most common subtype, irrespective of location. OBJECTIVE.— To review the lymphoproliferative neoplasms of B-cell and T-cell lineage involving the luminal GI tract according to the most prevalent subtypes at each anatomic site. DATA SOURCE.— Systematic search of the PubMed database for updated literature on GI lymphomas epidemiology, subtypes, clinical, endoscopic, and genetic findings. Histologic images are derived from our collection of clinical cases. CONCLUSIONS.— The GI tract is the most common site of extranodal lymphoproliferative neoplasms. Recognition of the most frequently encountered GI lymphomas is imperative for patient management and treatment.
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Affiliation(s)
- Jessica Alvarez-Lesmes
- From the Department of Pathology, Division of Hematopathology, Division of Gastrointestinal Pathology, University of Miami Miller School of Medicine, Sylvester Comprehensive Cancer Center and Jackson Memorial Hospital, Miami, Florida (Alvarez-Lesmes, Chapman, Cassidy, Zhou, Garcia-Buitrago, Montgomery, Poveda)
| | - Jennifer R Chapman
- From the Department of Pathology, Division of Hematopathology, Division of Gastrointestinal Pathology, University of Miami Miller School of Medicine, Sylvester Comprehensive Cancer Center and Jackson Memorial Hospital, Miami, Florida (Alvarez-Lesmes, Chapman, Cassidy, Zhou, Garcia-Buitrago, Montgomery, Poveda)
| | - Daniel Cassidy
- From the Department of Pathology, Division of Hematopathology, Division of Gastrointestinal Pathology, University of Miami Miller School of Medicine, Sylvester Comprehensive Cancer Center and Jackson Memorial Hospital, Miami, Florida (Alvarez-Lesmes, Chapman, Cassidy, Zhou, Garcia-Buitrago, Montgomery, Poveda)
| | - Yi Zhou
- From the Department of Pathology, Division of Hematopathology, Division of Gastrointestinal Pathology, University of Miami Miller School of Medicine, Sylvester Comprehensive Cancer Center and Jackson Memorial Hospital, Miami, Florida (Alvarez-Lesmes, Chapman, Cassidy, Zhou, Garcia-Buitrago, Montgomery, Poveda)
| | - Monica Garcia-Buitrago
- From the Department of Pathology, Division of Hematopathology, Division of Gastrointestinal Pathology, University of Miami Miller School of Medicine, Sylvester Comprehensive Cancer Center and Jackson Memorial Hospital, Miami, Florida (Alvarez-Lesmes, Chapman, Cassidy, Zhou, Garcia-Buitrago, Montgomery, Poveda)
| | - Elizabeth A Montgomery
- From the Department of Pathology, Division of Hematopathology, Division of Gastrointestinal Pathology, University of Miami Miller School of Medicine, Sylvester Comprehensive Cancer Center and Jackson Memorial Hospital, Miami, Florida (Alvarez-Lesmes, Chapman, Cassidy, Zhou, Garcia-Buitrago, Montgomery, Poveda)
| | - Izidore S Lossos
- Division of Hematology, Department of Medicine, University of Miami Miller School of Medicine, Sylvester Comprehensive Cancer Center, Miami, Florida (Lossos).,Department of Molecular and Cellular Pharmacology (Lossos), University of Miami Miller School of Medicine, Miami, Florida
| | - Daniel Sussman
- Division of Digestive Health and Liver Diseases (Sussman), University of Miami Miller School of Medicine, Miami, Florida
| | - Julio Poveda
- From the Department of Pathology, Division of Hematopathology, Division of Gastrointestinal Pathology, University of Miami Miller School of Medicine, Sylvester Comprehensive Cancer Center and Jackson Memorial Hospital, Miami, Florida (Alvarez-Lesmes, Chapman, Cassidy, Zhou, Garcia-Buitrago, Montgomery, Poveda)
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Zhang Y, Liu W, Zhang X, Wu B. Case Report: Primary NK/T Cell Lymphoma Nasal Type of the Colon With Multiple Intestinal Perforations. Front Oncol 2021; 11:577939. [PMID: 33816224 PMCID: PMC8010170 DOI: 10.3389/fonc.2021.577939] [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: 06/30/2020] [Accepted: 02/22/2021] [Indexed: 02/05/2023] Open
Abstract
Background: Extranodal NK/T cell lymphoma is a rare non-Hodgkin lymphoma mainly involving the upper aerodigestive tract, even rarer is primary extranasal disease involving the intestine. We present a case of primary intestinal NK/T cell lymphoma with diagnostic challenge, which eventually developed into multiple intestinal perforations. Case Presentation: A 35-year-old man presented with diarrhea and recurrent fever. Abdominal CT revealed multi-segmental intestinal wall thickening. Colonoscopy showed multiple irregular ulcers in colon. During the hospitalization, the patient developed intestinal perforation and an emergency surgery was performed. The resected specimen showed multiple perforations of the colon. The surgical samples underwent pathological analysis, and a diagnosis of extranodal NK/T cell lymphoma nasal type was confirmed. After recovering from surgery, the patient started receiving chemotherapy and PD-1 monoclonal antibody. Fortunately, he was discharged after significant improvement in his general condition. Eleven months follow-up was uneventful. Conclusion: Early diagnosis of primary intestinal NK/T cell lymphoma is frequently difficult. Most patients were definitely diagnosed only after surgical resection following complications, resulting in a poor prognosis. Therefore, doctors should maintain high suspicion of this malignancy for early diagnosis at an early stage clinically.
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Affiliation(s)
- Yan Zhang
- Department of Radiology, West China Hospital, Sichuan University, Chengdu, China
| | - Weiping Liu
- Department of Pathology, West China Hospital, Sichuan University, Chengdu, China
| | - Xinyue Zhang
- Department of Nuclear Medicine, West China Hospital, Sichuan University, Chengdu, China
| | - Bing Wu
- Department of Radiology, West China Hospital, Sichuan University, Chengdu, China
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45
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Mucosal Epithelial Jak Kinases in Health and Diseases. Mediators Inflamm 2021; 2021:6618924. [PMID: 33814980 PMCID: PMC7990561 DOI: 10.1155/2021/6618924] [Citation(s) in RCA: 9] [Impact Index Per Article: 3.0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 10/28/2020] [Revised: 01/02/2021] [Accepted: 03/06/2021] [Indexed: 12/22/2022] Open
Abstract
Janus kinases (Jaks) are a family of nonreceptor tyrosine kinase that include four different members, viz., Jak1, Jak2, Jak3, and Tyk2. Jaks play critical roles in immune cells functions; however, recent studies suggest they also play essential roles in nonimmune cell physiology. This review highlights the significance of epithelial Jaks in understanding the molecular basis of some of the diseases through regulation of epithelial-mesenchymal transition, cell survival, cell growth, development, and differentiation. Growth factors and cytokines produced by the cells of hematopoietic origin use Jak kinases for signal transduction in both immune and nonimmune cells. Among Jaks, Jak3 is widely expressed in both immune cells and in intestinal epithelial cells (IECs) of both humans and mice. Mutations that abrogate Jak3 functions cause an autosomal severe combined immunodeficiency disease (SCID) while activating Jak3 mutations lead to the development of hematologic and epithelial cancers. A selective Jak3 inhibitor CP-690550 (Xeljanz) approved by the FDA for certain chronic inflammatory conditions demonstrates immunosuppressive activity in rheumatoid arthritis, psoriasis, and organ transplant rejection. Here, we also focus on the consequences of Jak3-directed drugs on adverse effects in light of recent discoveries in mucosal epithelial functions of Jak3 with some information on other Jaks. Lastly, we brief on structural implications of Jak3 domains beyond the immune cells. As information about the roles of Jak3 in gastrointestinal functions and associated diseases are only just emerging, in the review, we summarize its implications in gastrointestinal wound repair, inflammatory bowel disease, obesity-associated metabolic syndrome, and epithelial cancers. Lastly, we shed lights on identifying potential novel targets in developing therapeutic interventions of diseases associated with dysfunctional IEC.
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46
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Auerbach A, Aguilera NS. Overview of Gastrointestinal Lymphoproliferative disorders ✰. Semin Diagn Pathol 2021; 38:1-5. [PMID: 33714627 DOI: 10.1053/j.semdp.2021.02.004] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 01/28/2021] [Revised: 02/21/2021] [Accepted: 02/25/2021] [Indexed: 11/11/2022]
Abstract
Lymphoproliferative processes which occur in the gastrointestinal tract range from benign reactive processes such as follicular hyperplasia (rectal tonsil) to high grade malignant lymphomas and histiocytic sarcoma. The WHO Classification of Tumors: Digestive System Tumors, 5th Edition was published in 2019 and shows several impactful changes as compared to the 4th Edition published in 2010. WHO Classification of Tumors of Hematopoietic and Lymphoid Tissues 2017 also included detailed changes in hematopoietic neoplasms within the gastrointestinal tract. New entities or renamed hematolymphoid lesions include monomorphic epitheliotropic intestinal T-cell lymphoma, duodenal-type follicular lymphoma, intestinal T-cell lymphoma, NOS and indolent T-cell lymphoproliferative disorder of the gastrointestinal tract. A brief overview of WHO classification of digestive tumors and WHO classification of tumors of hematopoietic and lymphoid tissue is discussed focusing on the changes in the most recent WHO texts. In depth discussions will be presented in other papers in this series.
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Affiliation(s)
- Aaron Auerbach
- Joint Pathology Center, Silver Spring, MD, United States.
| | - Nadine S Aguilera
- University of Virginia Health System, Charlottesville, VA, United States
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47
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Foukas PG, Bisig B, de Leval L. Recent advances upper gastrointestinal lymphomas: molecular updates and diagnostic implications. Histopathology 2020; 78:187-214. [PMID: 33382495 DOI: 10.1111/his.14289] [Citation(s) in RCA: 5] [Impact Index Per Article: 1.3] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 09/06/2020] [Revised: 10/21/2020] [Accepted: 10/22/2020] [Indexed: 12/14/2022]
Abstract
Approximately one-third of extranodal non-Hodgkin lymphomas involve the gastrointestinal (GI) tract, with the vast majority being diagnosed in the stomach, duodenum, or proximal small intestine. A few entities, especially diffuse large B-cell lymphoma and extranodal marginal zone lymphoma of mucosa-associated lymphoid tissue, represent the majority of cases. In addition, there are diseases specific to or characteristic of the GI tract, and any type of systemic lymphoma can present in or disseminate to these organs. The recent advances in the genetic and molecular characterisation of lymphoid neoplasms have translated into notable changes in the classification of primary GI T-cell neoplasms and the recommended diagnostic approach to aggressive B-cell tumours. In many instances, diagnoses rely on morphology and immunophenotype, but there is an increasing need to incorporate molecular genetic markers. Moreover, it is also important to take into consideration the endoscopic and clinical presentations. This review gives an update on the most recent developments in the pathology and molecular pathology of upper GI lymphoproliferative diseases.
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Affiliation(s)
- Periklis G Foukas
- Second Department of Pathology, National and Kapodistrian University of Athens, Attikon University Hospital, Athens, Greece
| | - Bettina Bisig
- Department of Laboratory Medicine and Pathology, Institute of Pathology, Lausanne University Hospital and Lausanne University, Lausanne, Switzerland
| | - Laurence de Leval
- Second Department of Pathology, National and Kapodistrian University of Athens, Attikon University Hospital, Athens, Greece
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48
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Monomorphic Epitheliotropic Intestinal T-Cell Lymphoma With Secondary Cutaneous Involvement: A Diagnostic Challenge. Am J Dermatopathol 2020; 43:300-304. [PMID: 33264131 DOI: 10.1097/dad.0000000000001855] [Citation(s) in RCA: 3] [Impact Index Per Article: 0.8] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/17/2022]
Abstract
ABSTRACT A 45-year-old woman presented with a solitary breast nodule that histologically corresponded to a dense dermal/subcutaneous infiltration of atypical cytotoxic T-lymphocytes (CD3+, CD8+, CD56+, TIA-1+, CD5-, CD4-, CD30-, EBV-), resembling subcutaneous panniculitic T-cell lymphoma. The presence of TCRδ gene rearrangement and the absence of βF1 expression let to suspect the diagnosis of primary cutaneous γδT-cell lymphoma. As a consequence of jejunum perforation following chemotherapy treatment, a mucosal atypical lymphoid infiltration with marked epitheliotropism was observed in the resected intestinal sample, and the diagnosis of monomorphic epitheliotropic intestinal T-cell lymphoma (MEITL) was finally established. Disease progression appeared with multiple erythematous plaques showing a dense lichenoid atypical cytotoxic T-cell infiltrate with intense epidermotropism, mimicking primary cutaneous epidermotropic aggressive CD8+ T-cell lymphoma. MEITL is an uncommon and aggressive peripheral T-cell lymphoma that often presents in adults with gastrointestinal symptoms. Secondary cutaneous involvement is a rare phenomenon that may show clinicopathologic and immunohistochemical features that overlap with different subtypes of primary cutaneous cytotoxic T-cell lymphomas. In the absence of gastrointestinal symptoms, the diagnosis may be challenging, and only the evidence of underlying MEITL may allow to establish the definite diagnosis.
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49
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Ishibashi H, Nimura S, Hirai F, Harada N, Iwasaki H, Kawauchi S, Oshiro Y, Matsuyama A, Nakamura S, Takamatsu Y, Yonemasu H, Shimokama T, Takeshita M. Endoscopic and clinicopathological characteristics of colorectal T/NK cell lymphoma. Diagn Pathol 2020; 15:128. [PMID: 33087157 PMCID: PMC7576840 DOI: 10.1186/s13000-020-01044-5] [Citation(s) in RCA: 2] [Impact Index Per Article: 0.5] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 07/20/2020] [Accepted: 10/05/2020] [Indexed: 12/19/2022] Open
Abstract
BACKGROUND Colorectal T/natural killer (NK)-cell lymphomas (TNKCL) are very rare. Endoscopic and clinicopathological characteristics of colorectal TNKCL have not been clearly demonstrated. In this study, we demonstrated the clinical characteristics of colorectal TNKCL. METHODS Endoscopic and clinicopathological characteristics were investigated in 27 patients with colorectal monomorphic epitheliotropic intestinal T-cell lymphoma (MEITL), adult T-cell leukemia/lymphoma (ATLL), and other types of TNKCL. RESULTS Nine TNKCL patients (33%) were classified as MEITL, 11 (41%) as ATLL, and seven (26%) as other. Four patients with Epstein-Barr Virus-positive (EBV+) TNKCL, two indolent T-cell lymphoproliferative disorder and one anaplastic large cell lymphoma were included in the other group. Endoscopically, six MEITL (67%) and five ATLL (46%) showed diffuse-infiltrating type, in which the main endoscopic lesion was edematous mucosa in MEITL, while aphthoid erosion and edematous mucosa were typical in ATLL. Ulcerative type was identified in four other group patients (57%), including two EBV+ TNKCL. An increase in atypical T-intraepithelial lymphocytes (T-IELs) was noted in seven MEITL (88%) and six ATLL (60%) patients, but not in the other group (0%) patients. Five MEITL patients (56%) showed features of lymphocytic proctocolitis with increased CD8+ T-IELs. CONCLUSIONS MEITL and ATLL occasionally invaded the colorectum, and primary involving MEITL was observed. Diffuse infiltrating type was the characteristic endoscopic finding in colorectal MEITL and ATLL, while ulcerative type was observed in the other group. Features of lymphocytic proctocolitis may be prodromal findings of MEITL.
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Affiliation(s)
- Hideki Ishibashi
- grid.411497.e0000 0001 0672 2176Department of Gastroenterology and Medicine, Faculty of Medicine, Fukuoka University, 7-45-1 Nanakuma, Johnan-ku, Fukuoka, Fukuoka 814-0180 Japan
| | - Satoshi Nimura
- grid.411497.e0000 0001 0672 2176Department of Pathology, Fukuoka University, 7-45-1 Nanakuma, Johnan-ku, Fukuoka, Fukuoka 814-0180 Japan
| | - Fumihito Hirai
- grid.411497.e0000 0001 0672 2176Department of Gastroenterology and Medicine, Faculty of Medicine, Fukuoka University, 7-45-1 Nanakuma, Johnan-ku, Fukuoka, Fukuoka 814-0180 Japan
| | - Naohiko Harada
- grid.415613.4Department of Gastroenterology National Hospital Organization, Kyushu Medical Center, 1-8-1 Jigyohama, Chuo-ku, Fukuoka, Fukuoka 810-8563 Japan
| | - Hiromi Iwasaki
- grid.415613.4Department of Hematology National Hospital Organization, Kyushu Medical Center, 1-8-1 Jigyohama, Chuo-ku, Fukuoka, Fukuoka 810-8563 Japan
| | - Sigeto Kawauchi
- grid.415613.4Department of Pathology, National Hospital Organization, Kyushu Medical Center, 1-8-1 Jigyohama, Chuo-ku, Fukuoka, Fukuoka 810-8563 Japan
| | - Yumi Oshiro
- grid.416592.d0000 0004 1772 6975Division of Pathology, Matsuyama Red Cross Hospital, 1 Bunkyocho, Matsuyama, Ehime 790-8524 Japan
| | - Atsuji Matsuyama
- grid.271052.30000 0004 0374 5913Department of Pathology and Oncology, School of Medicine, University of Occupational and Environmental Health, 1-1 Yahatanishi-ku, Kitakyushu, Fukuoka, 807-8555 Japan
| | - Shotaro Nakamura
- grid.411790.a0000 0000 9613 6383Division of Gastroenterology, Iwate Medical University, 2-1-1 Shiwa-gun, Morioka, Iwate 020-8505 Japan
| | - Yasushi Takamatsu
- grid.411497.e0000 0001 0672 2176Division of Medical Oncology, Hematology and Infectious Diseases, Faculty of Medicine, Fukuoka University, 7-45-1 Nanakuma, Johnan-ku, Fukuoka, Fukuoka 814-0180 Japan
| | - Hirotoshi Yonemasu
- grid.416795.80000 0004 0642 5894Department of Pathology, Oita Red Cross Hospital, 3-2-37 Chiyomachi Oita, Oita, 870-0033 Japan
| | - Taturo Shimokama
- Department of Pathology, Steel Memorial Yahata Hospital, 1-1-1 Yahatahigashi-ku, Kitakyushu, Fukuoka, 805-8508 Japan
| | - Morishige Takeshita
- grid.411497.e0000 0001 0672 2176Department of Pathology, Fukuoka University, 7-45-1 Nanakuma, Johnan-ku, Fukuoka, Fukuoka 814-0180 Japan
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50
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Zanelli M, Zizzo M, Sanguedolce F, Martino G, Soriano A, Ricci S, Castro Ruiz C, Annessi V, Ascani S. Indolent T-cell lymphoproliferative disorder of the gastrointestinal tract: a tricky diagnosis of a gastric case. BMC Gastroenterol 2020; 20:336. [PMID: 33054767 PMCID: PMC7557083 DOI: 10.1186/s12876-020-01488-5] [Citation(s) in RCA: 7] [Impact Index Per Article: 1.8] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 04/17/2020] [Accepted: 10/07/2020] [Indexed: 02/06/2023] Open
Abstract
Background Indolent T-cell lymphoproliferative disorder of the gastrointestinal tract is a rare low-grade clonal lymphoid proliferation, included as a provisional entity in the current World Health Organization classification. The disease is generally localized to the gastrointestinal tract, mainly small bowel and colon. Involvement of other organs is infrequently reported. The majority of patients show a protracted clinical course with persistent disease. A prolonged survival, even without treatment, is common. Case presentation A 28-year-old woman had a 2-year history of dyspepsia and lactose intolerance. Autoimmune diseases and celiac disease were excluded. No gross lesions were identified by endoscopy. Multiple gastric biopsies showed a small-sized lymphoid infiltrate, expanding the lamina propria, with a non-destructive appearance. The lymphoid cells were positive for CD3, CD4, CD5, CD7 and negative for CD20, CD8, CD56, CD103, PD1, CD30, ALK1, CD10, BCL6, perforin, TIA-1, Granzyme B and Epstein-Barr virus-encoded RNA. KI-67 index was low (5%). Molecular analysis revealed a clonal T-cell receptor γ rearrangement. Bone marrow was microscopically free of disease, but molecular testing identified the same T-cell receptor γ rearrangement present in the gastric biopsies. After the diagnosis of indolent T-cell lymphoproliferative disorder of the gastrointestinal tract, the patient received steroid therapy, only for 2 months. She is alive, with a stable disease restricted to the stomach, at 12 months from diagnosis. Conclusions Indolent T-cell lymphoproliferative disorder is usually a disease of adulthood (median age: 51 yrs). The small bowel and colon are the sites most commonly involved. Our case occurred in a young woman and affected the stomach, sparing small intestine and colon. Clonality testing identified involvement of bone marrow, a site infrequently affected in this disease. Our aim is focusing on the main diagnostic issues. If appropriate immunostainings and molecular analysis are not performed, the subtle infiltrate may be easily overlooked. The risk of misdiagnosis as more aggressive lymphomas, causing patient overtreatment, needs also to be considered.
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Affiliation(s)
- Magda Zanelli
- Pathology Unit, Azienda Unità Sanitaria Locale-IRCCS di Reggio Emilia, Reggio Emilia, Italy
| | - Maurizio Zizzo
- Surgical Oncology Unit, Azienda Unità Sanitaria Locale-IRCCS di Reggio Emilia, Reggio Emilia, Italy. .,Clinical and Experimental Medicine PhD Program, University of Modena and Reggio Emilia, Modena, Italy.
| | - Francesca Sanguedolce
- Pathology Unit, Azienda Ospedaliera Universitaria "Ospedali Riuniti" di Foggia, Foggia, Italy
| | - Giovanni Martino
- Hematology Unit, CREO, Azienda Ospedaliera Di Perugia, University of Perugia, Perugia, Italy
| | - Alessandra Soriano
- Gastroenterology Unit, Azienda Unità Sanitaria Locale-IRCCS di Reggio Emilia, Reggio Emilia, Italy
| | - Stefano Ricci
- Pathology Unit, Azienda Unità Sanitaria Locale-IRCCS di Reggio Emilia, Reggio Emilia, Italy
| | - Carolina Castro Ruiz
- Surgical Oncology Unit, Azienda Unità Sanitaria Locale-IRCCS di Reggio Emilia, Reggio Emilia, Italy.,Clinical and Experimental Medicine PhD Program, University of Modena and Reggio Emilia, Modena, Italy
| | - Valerio Annessi
- Surgical Oncology Unit, Azienda Unità Sanitaria Locale-IRCCS di Reggio Emilia, Reggio Emilia, Italy
| | - Stefano Ascani
- Pathology Unit, Ospedale Di Terni, University of Perugia, Perugia, Italy
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