Role of proper physical examination in diagnosis of cutaneous manifestation (Erythema Nodosum) of primary tuberculosis

Erythema nodosum (EN), which is a rare skin manifestation among children, is associated with a wide variety of disease processes. Here a 10 year old female patient with EN is presented. She was initially suspected to have coagulation abnormality by many physicians. She was diagnosed to have primary tuberculosis. This paper stresses the importance of proper physical examination in cutaneous lesions and of ruling out primary tuberculosis in endemic countries in children presenting with EN.