Of note are the derivation of the term lupus and the clinical descriptions of the cutaneous lesions of lupus vulgaris, lupus profundus, discoid lupus, and the photosensitive nature of the malar or ...

Lupus vulgaris, the most common type of cutaneous tuberculosis (a rare condition in low-incidence countries), is due to post-primary hematogenous seeding of the skin with mycobacteria. The skin ...