Clinicopathologic profile of intra-abdominal follicular dendritic cell sarcoma: A study of three cases with a literature review

Follicular dendritic cell sarcoma (FDCS) is a rare tumor, which mainly originates from follicular dendritic cells (FDCs) in the lymph nodes. Sometimes FDCS can arise from outside the lymph nodes. FDCS is an extremely rare malignant tumor in intraperitoneal or retroperitoneal tissue. We gathered the...

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Main Authors: Jianhong Yan, Qi Wu, Yuchang Hu, Ting Nai
Format: Article
Language:English
Published: Wolters Kluwer Medknow Publications 2023-01-01
Series:Indian Journal of Pathology and Microbiology
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Online Access:https://journals.lww.com/10.4103/ijpm.ijpm_1089_21
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author Jianhong Yan
Qi Wu
Yuchang Hu
Ting Nai
author_facet Jianhong Yan
Qi Wu
Yuchang Hu
Ting Nai
author_sort Jianhong Yan
collection DOAJ
description Follicular dendritic cell sarcoma (FDCS) is a rare tumor, which mainly originates from follicular dendritic cells (FDCs) in the lymph nodes. Sometimes FDCS can arise from outside the lymph nodes. FDCS is an extremely rare malignant tumor in intraperitoneal or retroperitoneal tissue. We gathered the detailed clinical data of three patients diagnosed with FDCS in the abdomen. The clinical observations and histopathologic and immunohistochemical features of FDCS were analyzed. The patients included two men and one woman aged 55 ~ 61 years old. The mesentery of the small intestine and colon was involved in case 1, spleen in case 2, and retroperitoneal tissues in case 3. Two patients presented with abdominal masses, and one presented with no obvious symptoms. Histology showed ovoid to spindle neoplastic cells arranged in fascicles and storiforms with inflammatory infiltrate as well as whorled patterns in some areas. Immunohistochemical staining was positive for CD21, CD23, CD35, and SSTR2. FDCS exhibits no characteristic clinical manifestations. Morphologically, FDCS can have overlapping features with many other entities, leading to misdiagnosis. The use of histopathology supplemented with FDC markers, such as CD21, CD23, and CD35, is useful for diagnosis and differential diagnosis.
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spelling doaj-art-454eae9521904e1184117fbecabbb6b42025-01-22T15:14:34ZengWolters Kluwer Medknow PublicationsIndian Journal of Pathology and Microbiology0377-49290974-51302023-01-0167119520010.4103/ijpm.ijpm_1089_21Clinicopathologic profile of intra-abdominal follicular dendritic cell sarcoma: A study of three cases with a literature reviewJianhong YanQi WuYuchang HuTing NaiFollicular dendritic cell sarcoma (FDCS) is a rare tumor, which mainly originates from follicular dendritic cells (FDCs) in the lymph nodes. Sometimes FDCS can arise from outside the lymph nodes. FDCS is an extremely rare malignant tumor in intraperitoneal or retroperitoneal tissue. We gathered the detailed clinical data of three patients diagnosed with FDCS in the abdomen. The clinical observations and histopathologic and immunohistochemical features of FDCS were analyzed. The patients included two men and one woman aged 55 ~ 61 years old. The mesentery of the small intestine and colon was involved in case 1, spleen in case 2, and retroperitoneal tissues in case 3. Two patients presented with abdominal masses, and one presented with no obvious symptoms. Histology showed ovoid to spindle neoplastic cells arranged in fascicles and storiforms with inflammatory infiltrate as well as whorled patterns in some areas. Immunohistochemical staining was positive for CD21, CD23, CD35, and SSTR2. FDCS exhibits no characteristic clinical manifestations. Morphologically, FDCS can have overlapping features with many other entities, leading to misdiagnosis. The use of histopathology supplemented with FDC markers, such as CD21, CD23, and CD35, is useful for diagnosis and differential diagnosis.https://journals.lww.com/10.4103/ijpm.ijpm_1089_21abdominal cavitydiagnosisextranodefollicular dendritic cell sarcomaimmunohistochemistry
spellingShingle Jianhong Yan
Qi Wu
Yuchang Hu
Ting Nai
Clinicopathologic profile of intra-abdominal follicular dendritic cell sarcoma: A study of three cases with a literature review
Indian Journal of Pathology and Microbiology
abdominal cavity
diagnosis
extranode
follicular dendritic cell sarcoma
immunohistochemistry
title Clinicopathologic profile of intra-abdominal follicular dendritic cell sarcoma: A study of three cases with a literature review
title_full Clinicopathologic profile of intra-abdominal follicular dendritic cell sarcoma: A study of three cases with a literature review
title_fullStr Clinicopathologic profile of intra-abdominal follicular dendritic cell sarcoma: A study of three cases with a literature review
title_full_unstemmed Clinicopathologic profile of intra-abdominal follicular dendritic cell sarcoma: A study of three cases with a literature review
title_short Clinicopathologic profile of intra-abdominal follicular dendritic cell sarcoma: A study of three cases with a literature review
title_sort clinicopathologic profile of intra abdominal follicular dendritic cell sarcoma a study of three cases with a literature review
topic abdominal cavity
diagnosis
extranode
follicular dendritic cell sarcoma
immunohistochemistry
url https://journals.lww.com/10.4103/ijpm.ijpm_1089_21
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