Lupus vulgaris: report of two cases

Lupus Vulgaris: A New Look at an Old Symptom – The Lupoma Observed with Dermoscopy

“…Dermatoscopy ؒ Lupus ؒ Tuberculosis Lupus vulgaris (LV) is the most frequent form of cutaneous tuberculosis in industrialized countries, which occurs in patients previously sensitized to Mycobacterium tuberculosis [1] . Cutaneous lesions result from a spread of tuberculosis bacteria from an endogenous reservoir to the skin or rarely from exogenous sources (biologic liquids) such as infectious droplets.…”

Tuberculosis Verrucosa Cutis

“…The most common adverse effects, usually as a result of impaired immunity are, infection spreading to lymph nodes, accelerated reaction after vaccination, and ulceration or abscess formation at the site of vaccination (10). The diagnostic value of positive tuberculin skin test is blurred if the subject has a history of BCG vaccination in early life or previous mycobacterial infections.…”

Lupus Vulgaris With Unusual Involvement

“…The differential diagnosis of LV includes sarcoidosis, deep fungal infections, lympcytoma cutis, tertiary syphilis, leprosy, lupoid leishmaniasis, discoid lupus erythematosus, and lichen simplex chronicus (2,3,6,7,9). In the upper dermis of skin lesions, tuberculoid structures, composed of epitheloid cells, Langhans giant cells and mononuclear cells are present histologically.…”

“…Other sites of predilection are the nose, ears, chin, neck, and, rarely, extremities, buttock and trunk. It is more common in females than in males, with all age groups equally affected (2).…”