Woronoff's ring

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Woronoff's ring is a skin condition characterized by a blanched halo of approximately uniform width surrounding psoriatic lesions after phototherapy or topical treatments.[1]

See also[edit]


  1. ^ Rapini, Ronald P.; Bolognia, Jean L.; Jorizzo, Joseph L. (2007). Dermatology: 2-Volume Set. St. Louis: Mosby. ISBN 1-4160-2999-0.