<prompt> Wich of the following tuberculids is characterized by involvement of sweat glands, and hair follides with noncaseating epitheloid granuloma -Lichen ScrofulosorumMiliary TuberculosisPaoulonecrotic typeLupus vulgaris  <response>: lichen scrofulosorum is characterised by perifollicular non caseaating tuberculoid granulomas. iadvl textbook of dermatology page 247 