eruptive vellus hair cyst
Histologic Features
- A relatively small cyst in the mid dermis characterized by
- A stratified squamous epithelium lining
- A cyst content consisting of laminated keratin
- Many vellus hairs emerging from invaginations of the cyst wall
- Partial breakdown of the wall resulting in a granulomatous reaction with many multinucleated giant cells
Updated Wednesday, July 31, 2013 8:30:48 PM