Erythema Induratum a Forgotten Tuberculid or an Evolving Entity: A Case Report

Erythema induratum, also known as Bazin’s disease, is a rare, chronic inflammatory disorder of the subcutaneous fat. It affects both sexes but occurs predominantly in middle-aged women. Erythema induratum of Bazin is classified under cutaneous tuberculosis. Present case is of a 49-year-old male with recurrent, multiple discharging nodules on both lower legs, with spontaneous resolution of some lesions. Histopathological examination revealed mixed panniculitis with evolving granulomas composed of epithelioid cells and lymphocytes. Both the Mantoux test and the Interferon Gamma Release Assay (IGRA) were positive. Based on the clinical presentation and histopathological findings, a diagnosis of tuberculosis-associated erythema induratum was made, and the patient was started on Antitubercular Therapy (ATT).