title: Intractable nodulocystic acne in a patient with trisomy 13.
abstract: We report the case of a boy with trisomy 13 who developed severe nodulocystic acne with sinus tract formation that has been unresponsive to multiple courses of systemic antibiotics and isotretinoin.
authors: Perelman School of Medicine, University of Pennsylvania, Philadelphia, Pennsylvania.
authors: Jenna M
authors: JM
authors: Peart
authors: Perelman School of Medicine, University of Pennsylvania, Philadelphia, Pennsylvania.|Department of Neurology, Children's Hospital of Philadelphia, Philadelphia, Pennsylvania.|Department of Pediatrics, Children's Hospital of Philadelphia, Philadelphia, Pennsylvania.
authors: Daniel J
authors: DJ
authors: Licht
authors: Department of Neurology, Children's Hospital of Philadelphia, Philadelphia, Pennsylvania.|Department of Pediatrics, Children's Hospital of Philadelphia, Philadelphia, Pennsylvania.
authors: Erin O'Connor
authors: EO
authors: Prange
authors: Perelman School of Medicine, University of Pennsylvania, Philadelphia, Pennsylvania.|Section of Dermatology, Children's Hospital of Philadelphia, Philadelphia, Pennsylvania.
authors: James R
authors: JR
authors: Treat
mesh_terms: D000152:Acne Vulgaris / Q000473:pathology*; D000293:Adolescent; D001706:Biopsy; D002882:Chromosomes, Human, Pair 13; D006801:Humans; D008297:Male; D014314:Trisomy