Humpath.com - Human pathology

Home > E. Pathology by systems > Skin > hidradenomas

hidradenomas

Wednesday 20 June 2007

acrospiroma, from akral "peripheral" + spiroma "epithelial tumor of sweat gland"; hidradenoma; Cystadenoma, Hydrocystadenomas; eccrine acrospiroma

WP PO

Definition: Hidradenoma refers to a benign adnexal tumor of the apical sweat gland.

Images

- solid-cystic hidradenoma

These are 1-3 cm translucent blue cystic nodules.It usually presents as a single, small skin-colored lesion, and is considered distinct from the closely related poroma.

Hidradenomas are often sub-classified based on subtle histologic differences, for example:

- clear-cell hidradenoma or acrospiroma
- nodular hidradenoma or acrospiroma
- solid-cystic hidradenoma / Nodular and Cystic Hidradenoma

Localization

- mammary hidradenoma
- vulvar hidradenoma

Variants

- acral acrospiroma with mucinous differentiation

See also

- tumors
- mucinous differentiation
- adnexal sweat gland tumors