title: [Research advances in Köebner phenomenon].
abstract: Köebner phenomenon, also known as isomorphic response, originally refers to the erythemas and scales resulted from skin traumas. The similar phenomenon later was observed in many other diseases. This article reviews classification, etiopathogenisis, pathogenesis, clinical manifestation, and application of KP.
authors.affiliation: Department of Dermatology, PUMC Hospital, CAMS and PUMC, Beijing 100730, China.
authors.forename: Tao
authors.initials: T
authors.lastname: Wang
authors.forename: Yue-Hua
authors.initials: YH
authors.lastname: Liu