Epithelioid cell histiocytoma.
Keywords:
rare variant of dermatofibroma, polipoid lesion, epithelioid cellsAbstract
Epithelioid cell histiocytoma is considered a benign entity and a rare variant of dermatofibroma. It often presents as a polypoid red nodule, and for this reason it is usually confused with a pyogenic granuloma in its clinical picture. An epidermal collarette is occasionally present and tumor cells are round with abundant eosinophilic cytoplasm and a vesicular nucleus with small eosinophilic nucleoli. All are key features for a correct histologic diagnosis.
Author Biographies
Luis Fernando Cárdenas
Department of Pathology, Wake Forest University Baptist Medical Center, Winston-Salem, NC, USA
Amy Parsons
Department of Pathology, Wake Forest University Baptist Medical Center, Winston-Salem, NC, USA
Omar Sangüeza
Department of Pathology, Wake Forest University Baptist Medical Center, Winston-Salem, NC, USA
Department of Dermatology, Wake Forest University Baptist Medical Center, Winston-Salem, NC, USA
References
2. Weiss SW, Goldblum JR, editors. Enzinger and Weiss's Soft tissue tumors. Fourth edition. St Louis, Mo: Mosby Inc.; 2001. 455-459.
3. Elder DE, Elenitsas R, Johnson BL, Murphy GF. Lever´s Histopahology of skin. Philadelphia, PA: Lippincott Williams & Wilkins; 2005. 982.
4. Weedon D, editor. Skin pathology. Second edition. Philadelphia: Churchill Livingstone; 2002. 933.
5. Glusac EJ, Barr RJ, Everett MA, Pitha J, Santa Cruz DJ. Epitheliod cell histiocytoma. A report of 10 cases incluiding a new celular variant. Am J Surg Pathol. 1994;18:583-90.
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