title: Pruritic eruption on the buttocks.
authors.affiliation: Division of Dermatology, David Geffen School of Medicine at the University of California, Los Angeles, CA 90095, USA. mchiu@mednet.ucla.edu
authors.forename: Melvin W
authors.initials: MW
authors.lastname: Chiu
authors.forename: Habibollah S
authors.initials: HS
authors.lastname: Alamdari
mesh_terms: D001706:Biopsy; D002081:Buttocks; D006801:Humans; D008297:Male; D008875:Middle Aged; D017499:Porokeratosis / Q000150:complications* / Q000473:pathology*; D011537:Pruritus / Q000209:etiology* / Q000473:pathology*