<prompt> Erythema induratum can be a manifestation of:Lepra reactionTuberculosisDermatitisPsoriasis  <response>: 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 