Epiphyseal Primary Diffuse Large B-Cell Lymphoma of Bone

Primary lymphoma of bone (PLB) confined to the epiphysis has only been described in four other patients. Due to the rarity of this entity, diagnosis has often been delayed, leading to mismanagement with adverse clinical consequences. We report a fifth case of primary epiphyseal lymphoma of bone loca...

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Main Authors: Shachar Kenan, Leonard Kahn, Morris Edelman, Arlene Redner, Samuel Kenan
Format: Article
Language:English
Published: Wiley 2018-01-01
Series:Case Reports in Pathology
Online Access:http://dx.doi.org/10.1155/2018/4160925
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author Shachar Kenan
Leonard Kahn
Morris Edelman
Arlene Redner
Samuel Kenan
author_facet Shachar Kenan
Leonard Kahn
Morris Edelman
Arlene Redner
Samuel Kenan
author_sort Shachar Kenan
collection DOAJ
description Primary lymphoma of bone (PLB) confined to the epiphysis has only been described in four other patients. Due to the rarity of this entity, diagnosis has often been delayed, leading to mismanagement with adverse clinical consequences. We report a fifth case of primary epiphyseal lymphoma of bone located in the left distal medial femoral epiphysis of a 13-year-old boy. Radiographic and histologic features of PLB are discussed, along with a review of the literature and pitfalls of misdiagnosis. The patient initially presented with six months of progressive left knee pain with an associated loss of passive range of motion. Imaging revealed a mixed radiolucent lesion within the left distal medial femoral epiphysis with cortical breakthrough. A core biopsy was performed revealing a blue round cell tumor. Thanks to modern immunohistochemistry techniques, a diagnosis of primary lymphoma of bone was quickly made. The patient thus avoided further surgical intervention and received the appropriate treatment of chemotherapy, with subsequent rapid resolution of the lesion. This case highlights the necessity of including primary lymphoma of bone in all epiphyseal lesion differential diagnoses, especially in the pediatric patient population when aggressive radiographic features are present.
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spelling doaj-art-4b91eaad88fc40bb8b3efbc94f3c8ca92025-02-03T01:11:20ZengWileyCase Reports in Pathology2090-67812090-679X2018-01-01201810.1155/2018/41609254160925Epiphyseal Primary Diffuse Large B-Cell Lymphoma of BoneShachar Kenan0Leonard Kahn1Morris Edelman2Arlene Redner3Samuel Kenan4Orthopaedic Oncology Fellow, Department of Orthopaedics, Memorial Sloan Kettering Cancer Center (MSKCC), New York, NY, USAMusculoskeletal Pathology, Department of Pathology, Zucker/Hofstra North Shore Long Island Jewish, Northwell Health Medical Center, New Hyde Park, NY, USAMusculoskeletal Pathology, Department of Pathology, Zucker/Hofstra North Shore Long Island Jewish, Northwell Health Medical Center, New Hyde Park, NY, USADepartment of Pediatric Hematology/Oncology, Zucker/Hofstra North Shore Long Island Jewish, Northwell Health Medical Center, New Hyde Park, NY, USAProfessor, Department of Orthopaedics, Zucker/Hofstra North Shore Long Island Jewish, Northwell Health Medical Center, New Hyde Park, NY, USAPrimary lymphoma of bone (PLB) confined to the epiphysis has only been described in four other patients. Due to the rarity of this entity, diagnosis has often been delayed, leading to mismanagement with adverse clinical consequences. We report a fifth case of primary epiphyseal lymphoma of bone located in the left distal medial femoral epiphysis of a 13-year-old boy. Radiographic and histologic features of PLB are discussed, along with a review of the literature and pitfalls of misdiagnosis. The patient initially presented with six months of progressive left knee pain with an associated loss of passive range of motion. Imaging revealed a mixed radiolucent lesion within the left distal medial femoral epiphysis with cortical breakthrough. A core biopsy was performed revealing a blue round cell tumor. Thanks to modern immunohistochemistry techniques, a diagnosis of primary lymphoma of bone was quickly made. The patient thus avoided further surgical intervention and received the appropriate treatment of chemotherapy, with subsequent rapid resolution of the lesion. This case highlights the necessity of including primary lymphoma of bone in all epiphyseal lesion differential diagnoses, especially in the pediatric patient population when aggressive radiographic features are present.http://dx.doi.org/10.1155/2018/4160925
spellingShingle Shachar Kenan
Leonard Kahn
Morris Edelman
Arlene Redner
Samuel Kenan
Epiphyseal Primary Diffuse Large B-Cell Lymphoma of Bone
Case Reports in Pathology
title Epiphyseal Primary Diffuse Large B-Cell Lymphoma of Bone
title_full Epiphyseal Primary Diffuse Large B-Cell Lymphoma of Bone
title_fullStr Epiphyseal Primary Diffuse Large B-Cell Lymphoma of Bone
title_full_unstemmed Epiphyseal Primary Diffuse Large B-Cell Lymphoma of Bone
title_short Epiphyseal Primary Diffuse Large B-Cell Lymphoma of Bone
title_sort epiphyseal primary diffuse large b cell lymphoma of bone
url http://dx.doi.org/10.1155/2018/4160925
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AT arleneredner epiphysealprimarydiffuselargebcelllymphomaofbone
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