lupus vulgaris
Histologic Features
- An atrophic epidermis
- A propensity of the granulomatous process to involve the upper dermis
- Many epithelioid tubercles surrounded by mononuclear cells
- Several multinucleated giant cells of Langhans type
- Absence of caseation necrosis
- Acid-fast bacilli rarely demonstrated by the Ziehl-Neelsen stain
- Slight fibroplasia and telangiectasia of the dermis
Updated Wednesday, July 31, 2013 8:30:48 PM