Cutaneous epithelioid angiosarcoma: a potential diagnostic trap for cytopathologists |
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| Authors: | WK Ng RJ Collins D Law E Gwi |
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| Affiliation: | Department of Pathology, University of Hong Kong, Queen Mary Hospital, Hong Kong. |
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| Abstract: | We report on the cytologic features of a rare case of cutaneous epithelioid angiosarcoma of the scalp occurring in a 65-yr-old Chinese male. The prominent epithelioid features may cytologically mimic poorly-differentiated carcinoma, malignant melanoma, and even epithelioid sarcoma. Recognition of subtle cytologic features of vasoproliferation, immunohistochemical demonstration of endothelial markers, and ultrastructural examination are necessary before a final conclusion may be drawn. |
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