title: Leukocytoclastic vasculitis sparing a tattoo with halo effect.
authors.affiliation: Harvard Medical School, Boston, Massachusetts.
authors.forename: Chen Amy
authors.initials: CA
authors.lastname: Chen
authors.affiliation: Department of Dermatology, Beth Israel Deaconess Medical Center, Boston, Massachusetts.
authors.forename: Anar
authors.initials: A
authors.lastname: Mikailov
authors.affiliation: Department of Pathology, Beth Israel Deaconess Medical Center, Boston, Massachusetts.
authors.forename: Beverly
authors.initials: B
authors.lastname: Faulkner-Jones
authors.affiliation: Department of Dermatology, Beth Israel Deaconess Medical Center, Boston, Massachusetts.
authors.forename: Peggy A
authors.initials: PA
authors.lastname: Wu
keywords: LCV, leukocytoclastic vasculitis; Wolf's isotopic nonresponse; leukocytoclastic vasculitis; palpable purpura; reverse Koebner phenomenon; sparing phenomenon