This is a real-world medical entrance exam question, please give the true answer based on the question and selection. Topic name: Bacterial Infection of Skin, Subject name: Skin
Which of the following tuberculoides is characterized by involvement of sweat glands & hair follicle with non caseating epithelioid granuloma? 
Select and explain. 
A. Lichen scrofulosorum, B. Miliary tuberculosis, C. Papulonecrotic tuberculide, D. Lupus vulgaris
A: Lichen scrofulosorum
Answer: A: Lichen scrofulosorum 
Explanation: Ans. A. lichen scrofulosorumHistopathology of Lichen scrofulosorum shows hair follicle infiltrated with mononuclear cells and occasional epithelioid cells, and upper dermal granuloma formed by mononuclear cells and epithelioid cells. Ziehl-Neelsen may demonstrate AFB.