[Erythema nodosum association with malignant lymphoma]

Erythema nodosum is the most frequent clinicopathological variant of the panniculitides. The disorder is a cutaneous reaction consisting of inflammatory nodular lesions, usually located on the lower extremities. It may be associated with a wide variety of diseases, infections, sarcoidosis, rheumatologic diseases, inflammatory bowel diseases, medications and malignancies. Relationship between erythema nodosum and malignant lymphoma is described in the article. A review of the literature suggest that the diagnosis of Hodgkin's and non-Hodgkin's disease should be considered in patients with unexplained erythema nodosum.