pilar sheath acanthoma
Histologic Features
- Widely dilated follicular infundibulum filled with a keratin plug
- Rounded, lobular proliferation of basaloid cells extending from the follicular epithelium
- Rudimentary hair follicle formation in the form of the bulbs of talogen hairs at the tip of the proliferation
Updated Wednesday, July 31, 2013 8:30:48 PM