title: Five-year-old boy with a diffuse erythematous rash with black crusts. Diagnosis: Black spot poison ivy (Rhus dermatitis).
authors.affiliation: School of Medicine, College of Physicians and Surgeons, Columbia University, New York, New York 10032, USA.
authors.forename: Bonnie
authors.initials: B
authors.lastname: Koo
authors.forename: Jocelyn A
authors.initials: JA
authors.lastname: Lieb
authors.forename: Maria C
authors.initials: MC
authors.lastname: Garzon
authors.forename: Kimberly D
authors.initials: KD
authors.lastname: Morel
mesh_terms: D002675:Child, Preschool; D011040:Dermatitis, Toxicodendron / Q000175:diagnosis* / Q000473:pathology; D004890:Erythema / Q000175:diagnosis* / Q000473:pathology; D005076:Exanthema / Q000175:diagnosis* / Q000473:pathology; D006801:Humans; D008297:Male