History:

 Acrospiroma    Acrospiroma Virtual Slide      Google Search Images         

Histological Features
Intradermal tumour, tubular strands and cysts in a fibrous stroma, two layers of cuboidal cells, small papillary projections on surface of these cells, sometimes apocrine secretion,

Clinical Scalp nodule or acral.    Case Report
Other names Solid Cystic Hidradenoma, Nodular clear cell hidradenoma

Dermnet on Sweat gland tumours