Use of QuantiFERON-TB Gold to determine the aetiology of idiopathic erythema induratum: A case report
Although rare, erythema induratum is the most common entity presenting as lobular panniculitis with vasculitis.It is usually caused by a hypersensitivity reaction to Mycobacterium tuberculosis , although other aetiologies have been reported.We present a case of a 73-year-old male with here multiple recurring tender erythematous nodules on the backs