Erythema induratum Bazin
Last Updated: 2023-01-23
ICD11: EA5Y
Last Updated: 2023-01-23
Author(s): Anzengruber F., Navarini A.
ICD11: EA5Y
Bazin 1861.
Bazin syndrome, Bazin`s disease, nodular tuberculid, nodular vasculitis, nodular vasculitis, nodular vasculitis, hypodermitis nodularis subacuta saltans (O'Leary), phlebitis nodularis, lipodermatosclerosis, vasculitis nodularis.
Hyperergic-allergic reaction of the small vessels.
Tubercle bacilli are transported haematogenously to the acras, where a hyperergic-allergic reaction occurs. The reaction is assumed to be an Id reaction against the tuberculid. However, an association with tuberculosis cannot always be confirmed. In this case, the clinical finding is termed "nodular vasculitis“. „Erythema induratum Bazin“ is only used if an association with tuberculosis can be established.
Extremities (US > OS), gluteal, upper arms and pectoral.
Growth atrophy, perivascular inflammation, fibrosis, granulomatous vasculitis and lobular panniculitis.
Years of chronic recurrence. Course with eventual, scarred healing.
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