eccrine poroma
Histologic Features
- Alternating orthokeratosis with parakeratosis
- Basaloid lobules sharply demarcated from surrounding epithelium
- Small cuboidal basophilic neoplastic cells with strikingly uniformity
- Prominent intercellular bridges
- Scattered foci of pale cells
- Duct-like spaces lined by eosinophilic material
- Focal necrosis en masse
- A granulation tissue reaction with mucin deposition in the stroma
- A sparse lymphocytic infiltrate at the base of the lesion
Updated Wednesday, July 31, 2013 8:30:48 PM