Synonym(s)
Coebnerisation; Irritation effect isomorphic; Isomorphic irritant effect; isomorphic phenomenon; Köbnern; Koebner phenomenon; Koebner sign
HistoryThis section has been translated automatically.
Köbner, 1876
DefinitionThis section has been translated automatically.
New occurrence of lesions (isomorphism) belonging to the underlying disease in a previously mechanically, thermally or chemically irritated skin (e.g. scratch marks, burns, etc.).
Occurrence/EpidemiologyThis section has been translated automatically.
Occurrence in the following diseases, among others:
- Psoriasis vulgaris
- lichen planus
- Lichen nitidus
- eruptive xanthomas
- photoaggravated diseases (see below photoallergy)
- Erythema exsudativum multiforme
- Viral exanthema
- reactive perforating collagenosis
- Schönlein-Henoch purpura
- drug exanthema
- cytostatic-induced exanthema (e.g. bleomycin-induced: melanodermia factitia)
- Vitiligo
- relapsing sarcoidosis
LiteratureThis section has been translated automatically.
- Köbner H (1872) On the etiology of psoriasis. Zschr Dermatol 8: 559-561
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Incoming links (16)
CARD14 Gene; Chronic prurigo; Collagenosis reactive perforating; Guttate psoriasis; HLA-Cw6; Irritant effect, isomorphic; Keratoacanthomas multiple eruptive; Lichen nitidus; Lichen planus exanthematicus; Lichen planus mucosae; ... Show allOutgoing links (12)
Collagenosis reactive perforating; Drug reaction fixe; Erythema multiforme; Flagellant dermatitis; Henoch-Schoenlein purpura; Lichen nitidus; Lichen planus classic type; Photoallergy (overview); Psoriasis vulgaris; Sarcoidosis of the skin; ... Show allDisclaimer
Please ask your physician for a reliable diagnosis. This website is only meant as a reference.
Prof. Dr. med. Peter Altmeyer
