Abstract

Erythema nodosum (EN) is the most common type of septal panniculitis. It is usually seen in 15-40 years old females. Etiologic factors include medications, infections, tumors and inflammatory diseases. However, EN generally seen idiopathic. The pathogenesis is poorly understood. Lesions are most often located in the leg. Other than that commonly maintained in the thigh and forearm. Body, neck and facial involvement is rare. Fever, fatigue, arthralgia, headache, cough, abdominal pain, nausea or diarrhea may be occur in the acute attack. EN can appear as early signs of Infections, inflammatory or connective tissue diseases. We wanted to provide the growing EN due to chemotherapy treatment who diagnosed breast cancer and received adjuvant cyclophosfamide-doxorubicin-fluorouracil (CAF) chemotherapy treatment.