Extramedullary Hematopoiesis: An Unusual Finding in Subdural Hematomas

We present a case of a 59-year-old man who was found to have clusters of hyperchromatic, small, round nucleated cells within a subdural hematoma removed after a skull fracture. Immunohistochemistry study confirmed that the cells were hematopoietic components predominantly composed of normoblasts. In...

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Main Authors: Rong Li, Vishnu V. B. Reddy, Cheryl Ann Palmer
Format: Article
Language:English
Published: Wiley 2011-01-01
Series:Case Reports in Pathology
Online Access:http://dx.doi.org/10.1155/2011/718585
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author Rong Li
Vishnu V. B. Reddy
Cheryl Ann Palmer
author_facet Rong Li
Vishnu V. B. Reddy
Cheryl Ann Palmer
author_sort Rong Li
collection DOAJ
description We present a case of a 59-year-old man who was found to have clusters of hyperchromatic, small, round nucleated cells within a subdural hematoma removed after a skull fracture. Immunohistochemistry study confirmed that the cells were hematopoietic components predominantly composed of normoblasts. In this paper, we describe the clinical and pathological findings. A brief review of published information on extramedullary hematopoiesis in subdural hematoma and the mechanisms of pathogenesis are also discussed. While extramedullary hematopoiesis is seen anecdotally by neuropathologists in chronic subdural hematomas, only a few cases are documented in the literature. Furthermore, extramedullary hematopoiesis in subdural hematoma can pose a diagnostic challenge for general pathologists who encounter subdural hematoma evacuations seldom in their surgical pathology practices.
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spelling doaj-art-08b02ccfcbc64fb4874842262d9c03c72025-02-03T06:07:20ZengWileyCase Reports in Pathology2090-67812090-679X2011-01-01201110.1155/2011/718585718585Extramedullary Hematopoiesis: An Unusual Finding in Subdural HematomasRong Li0Vishnu V. B. Reddy1Cheryl Ann Palmer2Department of Pathology, University of Alabama at Birmingham, Birmingham, AL 35294, USADepartment of Pathology, University of Alabama at Birmingham, Birmingham, AL 35294, USADepartment of Pathology, University of Alabama at Birmingham, Birmingham, AL 35294, USAWe present a case of a 59-year-old man who was found to have clusters of hyperchromatic, small, round nucleated cells within a subdural hematoma removed after a skull fracture. Immunohistochemistry study confirmed that the cells were hematopoietic components predominantly composed of normoblasts. In this paper, we describe the clinical and pathological findings. A brief review of published information on extramedullary hematopoiesis in subdural hematoma and the mechanisms of pathogenesis are also discussed. While extramedullary hematopoiesis is seen anecdotally by neuropathologists in chronic subdural hematomas, only a few cases are documented in the literature. Furthermore, extramedullary hematopoiesis in subdural hematoma can pose a diagnostic challenge for general pathologists who encounter subdural hematoma evacuations seldom in their surgical pathology practices.http://dx.doi.org/10.1155/2011/718585
spellingShingle Rong Li
Vishnu V. B. Reddy
Cheryl Ann Palmer
Extramedullary Hematopoiesis: An Unusual Finding in Subdural Hematomas
Case Reports in Pathology
title Extramedullary Hematopoiesis: An Unusual Finding in Subdural Hematomas
title_full Extramedullary Hematopoiesis: An Unusual Finding in Subdural Hematomas
title_fullStr Extramedullary Hematopoiesis: An Unusual Finding in Subdural Hematomas
title_full_unstemmed Extramedullary Hematopoiesis: An Unusual Finding in Subdural Hematomas
title_short Extramedullary Hematopoiesis: An Unusual Finding in Subdural Hematomas
title_sort extramedullary hematopoiesis an unusual finding in subdural hematomas
url http://dx.doi.org/10.1155/2011/718585
work_keys_str_mv AT rongli extramedullaryhematopoiesisanunusualfindinginsubduralhematomas
AT vishnuvbreddy extramedullaryhematopoiesisanunusualfindinginsubduralhematomas
AT cherylannpalmer extramedullaryhematopoiesisanunusualfindinginsubduralhematomas