Home > E. Pathology by systems > Skin > nodular hidradenoma
nodular hidradenoma
Friday 28 August 2020
hidradenoma, eccrine acrospiroma
| PO |
Synopsis
nests / lobules of cells resembling eccrine poroma with either clear cytoplasm or prominent squamous metaplasia
possible marked vascularity
small and large lumina are lined by cuboidal ductal cells or columnar secretory cells
cystic spaces may be due to degeneration of tumor cells
Images
https://twitter.com/SkinPathology/status/638584069907857409
https://twitter.com/TexPathol/status/1038034487647633408
Differential diagnosis
apocrine mixed tumor
glomus tumor (different staining pattern)
cutaneous metastasis / metastatic disease ( clear cell renal cell carcinoma )
primary skin tumors with follicular differentiation
tumors with sebaceous differentiation
tumors with sweat gland differentiation