[Misdiagnosed childhood sarcoidosis as non-Langerhans' cell histiocytosis treated with tumor necrosis factors-α antagonists].

Sarcoidosis is a chronic multisystemic granulomatous disease of unknown origin. Generalised eruptive histiocytosis is a rare, benign, self-healing, non-Langerhans' cell histiocytosis (non-LCH). We report the case of an 8-year-old girl with sarcoidosis who was misdiagnosed as non-LCH.