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Published in: Skeletal Radiology 5/2015

01-05-2015 | Case Report

Regression of an enchondroma: a case report and proposed etiology

Authors: Anirban Sensarma, John E. Madewell, Jeanne M. Meis, Rajendra Kumar, Patrick P. Lin, Behrang Amini

Published in: Skeletal Radiology | Issue 5/2015

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Abstract

Enchondromas are common benign bone lesions that are found in the medullary cavity of tubular bones, usually at the metaphysis. Regression is highly unusual, and loss of matrix mineralization in an existing enchondroma should prompt investigation for malignant transformation. We present the case of a 50-year-old woman with an enchondroma of the proximal humeral metadiaphysis, which underwent loss of matrix mineralization that corresponded to replacement with marrow fat on MRI. This transformation of the cartilage tumor matrix into normal bone marrow may occur in a process similar to that seen with endochondral ossification.
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Metadata
Title
Regression of an enchondroma: a case report and proposed etiology
Authors
Anirban Sensarma
John E. Madewell
Jeanne M. Meis
Rajendra Kumar
Patrick P. Lin
Behrang Amini
Publication date
01-05-2015
Publisher
Springer Berlin Heidelberg
Published in
Skeletal Radiology / Issue 5/2015
Print ISSN: 0364-2348
Electronic ISSN: 1432-2161
DOI
https://doi.org/10.1007/s00256-014-2032-1

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