Erythromelalgia with a linear pattern in a 12-year-old girl.

Erythromelalgia is a rare clinical syndrome characterized by erythema, increased temperature, and severe burning pain that can be aggravated by warmth or relieved by cold. Erythromelalgia occurs either as a primary, idiopathic form, or secondary to a number of diseases and conditions. Although fairly well studied in adults, the characteristics, pathogenesis, and natural history are poorly characterized in the pediatric age group. Different therapeutic options have been tried, but no optimal treatment has been suggested for erythromelalgia. We report a rare case of linear erythromelalgia in a 12-year-old girl involving her central body from the peripheral extremities, which seemed to be secondary due to vasculitis. Clinical progress waxed and waned on maintenance aspirin and propranolol.