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KMID : 1161920140110010033
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Journal of Medicine and Life Science
2014 Volume.11 No. 1 p.33 ~ p.39
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Hemosiderotic Dermatofibroma: Histopathologic Differential Diagnosis from Other Variants of Dermatofibroma and a Variety of Fibrohistiocytic Tumors of Mesenchymal Origin
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Kim Min-Su
Cheon Min-seok
Kim Jae-Wang
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Abstract
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Dermatofibroma(benign fibrous histiocytoma) is a relatively common fibrohistiocytic tumor. It has a variety of histologic variants and the diagnosis may be difficult in atypical or rare cases. Hemosiderotic dermatofibroma is an uncommon pathologic subtype of dermatofibroma. Histopathologically, it is characterized by widespread deposition of intra- and extracellular hemosiderin, numerous small vessels and extravasated erythrocytes, in addition to the typical features of classic dermatofibroma. It has been recognized as a precursor lesion for the development of aneurysmal dermatofibroma. This tumor should be differentiated from other histologic variants of dermatofibroma and fibrohistiocytic tumors with variable grade of malignancy. Herein, we represent a case of hemosiderotic dermatofibroma occurring in a 32-year-old male.
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KEYWORD
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Hemosiderotic Dermatofibroma
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