DefinitionThis section has been translated automatically.
Sudden, halo-shaped reddening and scaling of most or all of a patient's melanocytic nevi in the form of a reddened, slightly scaly, 0.1- 1.0-cm-wide "eczematous" fringe(Meyerson nevus). Occurrence mostly in summer.
Such (isomorphic irritation effects) are also observed in seborrheic keratoses, e.g. in relapsing psoriasis vulgaris (Meyerson phenomenon).