Woronoff's ring explained

Specialty:	dermatology

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

• Psoriasis
• List of cutaneous conditions

Notes and References

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