Tuberculides are seen in -: (A) Lupus vulgaris, (B) Scrofuloderma, (C) Lichen scrofulosorum, (D) Erythema nodosum
Answer is C. Tuberculoses are a group of eruptions usually symmetrically distributed as a result of internal focus of tuberculosis. Is is due to reactionary pattern to the hematogenous spread of bacilli in persons with high degree of immunity types of tuberculides: lichen scrofulosorum papulonecrotic tuberculides erythema nodosum erythema induratum diagnosis: clinical tuberculin reaction -positive histology: tuberculoid granulomas with multinucleated gaint cells Demonstration of acid fast bacilli in lesion culture - confirmatory treatment:att iadvl textbook of dermatology,page248