Erythema nodosum: (EN) is a common

Erythema nodosum (EN) is a common acute nodular septal panniculitis, characterized by the sudden onset of erythematous, firm, solid, deep nodules or plaques painful on palpation and mainly localized on extensor surfaces of the legs. These nodules are characterized by a typical histological appearance regardless of the etiology, marked by acute inflammation of the dermo-hypodermic junction and interlobular septa of the hypodermic fat, evolving without necrosis or sequelae.[1][2][3] Erythema nodosum is a condition that causes red to purple, painful bumps on your skin, usually on your shins. Learn about the possible causes, diagnosis and treatment options for this condition. Erythema nodosum migrans (subacute nodular migratory panniculitis, migratory panniculitis): asymmetrical, unilateral and distributed solely on the legs; marked female predominance; older age group Chronic erythema nodosum : nodules appear over months / years; otherwise indistinguishable from typical condition Erythema nodosum is the most common form of panniculitis and is characterized by tender erythematous nodules mainly in the lower limbs on the pretibial area. The exact cause of erythema nodosum is unknown, although it appears to be a ...