Erythema induratum

    Also known as: nodular vasculitis, Bazin's disease

    Clinical Features:

    • Tender blue nodules, most often on the calves of obese women, sometimes related to cold exposure
    • Controversial association with Mycobacterium tuberculosis

    Histologic Features:

    • Granulomatous lobular panniculitis with admixed lymphocytes, histiocytes and plasma cells
    • There is often caseation necrosis, which may extend into the dermis and even epidermis, causing ulceration.
    • Vasculitis is frequently, but not always, seen.
    External Links:

     

    Cases associated with this book:

  • Erythema induratum
    Author: Artur Zembowicz M.D. Ph.D.

    Conference: DermatopathologyConsultations.com Teaching Collection