Erythema nodosum represents the most common form of panniculitis, manifesting as tender, erythematous nodules predominantly on the pretibial regions. Often considered a hypersensitivity reaction, its ...

A 59-year-old woman has had recurrent painful nodules on both legs for more than three years. Results of previous punch biopsy were nonspecific, although there is a possibility of erythema nodosum (EN ...