Granular cell cutaneous epithelioid angiomatous nodule

Timothy C Sorrells, Aubrey Winn, Daryl J Sulit

Granular cell cutaneous epithelioid angiomatous nodule.

Authors:
Timothy Sorrells, MD
Timothy Sorrells, MD
Naval Medical Center San Diego
Dermatopathologist
San Diego, CA | United States

J Cutan Pathol 2019 Nov 8;46(11):864-866. Epub 2019 Jul 8.

Department of Dermatology, Naval Medical Center, San Diego, California.

Cutaneous epithelioid angiomatous nodule is an uncommon vascular lesion usually described as composed of epithelioid endothelial cells with vesicular nuclei and eosinophilic cytoplasm. A granular cell variant has not been previously described. Endothelial cells can present with granular cytoplasm as documented with reports of granular cell angiosarcoma. The granularity is thought to be due to increased intracytoplasmic lysosomes. We present a case of a benign superficial vascular lesion composed of a sheet-like proliferation of epithelioid endothelial cells with distinctly granular cytoplasm confirmed as of endothelial origin with positive staining for CD31 and ERG.

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http://dx.doi.org/10.1111/cup.13527DOI Listing
November 2019
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