The commonest focus of scrofuloderma is: (A) Lung, (B) Lymph nodes, (C) Larynx, (D) Skin
Answer is D. Scrofuloderma is a skin condition caused by tuberculosis involvement of the skin by direct extension, usually from underlying tuberculous lymphadenitis. Ref: Textbook of microbiology; Ananthanarayan and paniker's; 10th edition; Pg: 367