A Rare Case of Erythema Induratum of Bazin

Background: Erythema induratum of bazin (EIB) is a tuberculid type of skin tuberculosis that characterized with chronic reccurent nodular eruption and ulcerative lesions on lower legs, commonly in middle aged woman and well nourished women. This is a lobular paniculitis with vasculitis. Erythema induratum of bazin is a rare case. This is the first case reported in Dermatology and Venereology Department of Dr. M Djamil Padang hospital for the last 3 years from 2016 to 2019. Case: A women, 52 years old was consulted from surgery department with chief complaint bumps of reddish to blackness that feels pain in both lower limbs which is more increasing since about 3 weeks ago. Patient has complained reccurent ulcer and bumps in both lower limbs since 10 years ago and complaints keep reappear until now. Patient has no history of tuberculosis (TB) and works as a TB social worker. Patient is a well nourished women. From dermatology state, there were multiple erythematous nodules and plaques, ulcers that covered with blackish crusts, and atrophic scars. From laboratory finding, there were anemia, hypoalbuminemia and high erythrocyte sedimentation rate. The result of chest x-ray is within normal limit. Histopathological examination revealed lobular panniculitis, fat necrosis and vasculitis. Patient received regiment from pulmonology department antituberculosis drug category I in 6 month. Discussion: Erythema induratum of bazin are considered as a rare case and has a challenge in diagnose. The diagnosis is established history and clinical appearance, supported with histopathological examination.