Erythema induratum can be a manifestation of:: (A) Lepra reaction, (B) Tuberculosis, (C) Dermatitis, (D) Psoriasis
Answer is B. Erythema induratum of Bazin/ Nodular tuberculid /Bazin disease - Erythematous nodules develop over posterior leg, usually ulcerates - Lobular panniculitis Erythema nodosum/ Facultative tuberculid -develop over anterior leg, which does not ulcerate ( differentiating point with Erythema induratum)