title: Trisomy for chromosome 1q in a pontine astrocytoma.
abstract: Reports of single chromosome abnormalities in pediatric brain tumors are rare. We report a 6-year-old patient with a malignant astrocytoma who had trisomy for the long arm of chromosome 1 as the sole chromosome abnormality.
authors.affiliation: Department of Pathology, University of Arkansas for Medical Sciences, Little Rock.
authors.forename: J R
authors.initials: JR
authors.lastname: Sawyer
authors.forename: G J
authors.initials: GJ
authors.lastname: Roloson
authors.forename: E A
authors.initials: EA
authors.lastname: Hobson
authors.forename: L S
authors.initials: LS
authors.lastname: Goosen
authors.forename: W M
authors.initials: WM
authors.lastname: Chadduck
mesh_terms: D001254:Astrocytoma / Q000235:genetics* / Q000473:pathology; D001932:Brain Neoplasms / Q000235:genetics* / Q000473:pathology; D002648:Child; D002878:Chromosomes, Human, Pair 1; D005260:Female; D006801:Humans; D007621:Karyotyping; D008279:Magnetic Resonance Imaging; D011149:Pons / Q000473:pathology*; D014314:Trisomy