Heinrich koebner, a dermatologist from the 19th century. Wolfs isotopic response is the emergence of new lesions in the exact place of previous, healed, lesions and is not necessarily due to trauma. First described in 1871, the koebner phenomenon is one of the most wellknown entities in dermatology. The koebner phenomenon or kobner phenomenon also called the koebner response or the. A read is counted each time someone views a publication summary such as the title, abstract, and list of authors, clicks on a figure, or views or downloads the fulltext. Generalized guttate morphea associated to koebner phenomenon summary morphea or localized scleroderma, is a chronic connective tissue disease characterized by hardening of the skin secondary to an excess of production of collagen. The reverse koebner phenomenon is the disappearance of a skin lesion after trauma to the area. More recently, the definition has been extended to include lesions developed after trauma in people with no preexisting dermatosis.
Heinrich koebner is credited with the first adequate description of this peculiar disposition of psoriatic skin. Files are available under licenses specified on their description page. Summary koebner phenomenon was first described in 1877 as the appearance of psoriatic lesions in the uninvolved skin of psoriatic patie nts as a consequence. This page was last edited on 2 october 2019, at 09. The koebner phenomenon may result from either a linear exposure or irritation. Salvatore chimenti, specialista medicina interna, bari. Vascular trauma and the pathogenesis of the koebner reaction in. He reported the formation of psoriasiform lesions in uninvolved skin of psoriatic patients after cutaneous trauma, such as excoriations, tattoos, and horse bites. Doctors call this reaction the koebner phenomenon, and it happens to 1 out of 4 people who have psoriasis. This isomorphic phenomenon is now known to involve numerous diseases, among them vitiligo, lichen planus, and darier disease. The koebner phenomenon kp was first described in 1876 by heinrich koebner, a german dermatologist who was the founder of the dermatology department at the university of breslau.
All structured data from the file and property namespaces is available under the creative commons cc0 license. When psoriasis lesions form in different areas than usual, its known as the koebner phenomenon. This isomorphic phenomenon is now known to involve numerous diseases. The koebner phenomenon is one of the most wellknown entities in dermatology. Koebner phenomenon was initially reported as the formation of psoriasiform lesions after cutaneous trauma in the uninvolved skin of people with psoriasis. Pemphigus vulgaris beginning as the koebner phenomenon.
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