Most common type of tuberculid?: (A) Lichen Scrofulosum, (B) Military TB, (C) Papulonecrotic type, (D) Lupus vulgaris
Answer is C. Papulonecrotic Tuberculids Most common tuberculid A chronic, recurrent, and symmetric eruption of necrotizing skin papules arising in crops, involving primarily the arms and the legs. A hallmark of this condition is that lesions heal with varioliform scarring. The eruption is believed to represent a hypersensitivity reaction to TB antigens released from a distant focus of infection. Most common type of skin TB = Lupus vulgaris. Most common type of Tuberculid = Papulonecrotic.