Generalized eruptive histiocytoma
（重定向自Generalized eruptive histiocytosis）
Generalized eruptive histiocytoma (also known as "Eruptive histiocytoma," and "Generalized eruptive histiocytosis") is a rare cutaneous condition characterized by widespread, erythematous, essentially symmetrical papules, particularly involving the trunk and proximal extremities.