A young lady presented with bilateral nodular lesions on shins. She was also found to have bilateral hilar lymphadenopathy on chest X-ray. Mantoux test reveals indurations of 5 mms. Skin biopsy would reveal:
High-Yield Explanation
Ans. is 'a' Non caseating granulomas Skin lesions in this patient in Erythema nodosum.Erythema nodosum, bilateral hilar lymphadenopathy negative Mantoux test in strongly suggestive of sarcoidosis.Skin biopsy {or biopsy from hilar nodes, conjunctiva, lip, or spleen, intraabdominal nodes) would reveal non- caseating granulomas.