A 45-year-old woman had a 2 year history of slowly progressive minimally pruritic confluent plaques involving the perioral and centro facial areas. The eruption was preceded by oral mucosal plaques. On examination, multiple, confluent, fibrotic, scaly, hypopigmented plaques with central atrophy, peripheral hyperpigmentation and crusts were noted in involved areas. Skin biopsy demonstrated granulomatous inflammation which of the following would be true about this patient?
High-Yield Explanation
Ans. A. Cultures would grow Mycobacterium tuberculosis.This clinical picture is typical of Lupus vulgaris and Cultures would grow Mycobacterium tuberculosis.Lupus vulgaris are painful cutaneous tuberculosis skin lesions with nodular appearance, most often on the face around nose, eyelids, lips, cheeks and ears. The lesions may ultimately develop into disfiguring skin ulcers if left untreated.