title: Partial 18q trisomy and 18p monosomy resulting from a maternal pericentric inversion, inv(18)(p11.2q21.3).
abstract: A 7-year-old boy with dysmorphic features was found to have a recombinant chromosome 18, rec(18), resulting from meiotic recombination of a maternal pericentric inversion, inv(18) (p11.2q21.3), as defined by high-resolution banding. He was trisomic for the long arm (q21.3-qter) and monosomic for the short arm (p11.2-pter) of chromosome 18. His clinical features were compared with those in other rec(18) cases, and also those in monosomy 18p, trisomy 18qter and full trisomy 18 syndromes. The risk of recombinant formation for inv(18) carriers was also discussed.
authors.affiliation: Department of Pediatrics, Nippon Medical School, Tokyo, Japan.
authors.forename: T
authors.initials: T
authors.lastname: Asano
authors.forename: T
authors.initials: T
authors.lastname: Ikeuchi
authors.forename: T
authors.initials: T
authors.lastname: Shinohara
authors.forename: H
authors.initials: H
authors.lastname: Enokido
authors.forename: K
authors.initials: K
authors.lastname: Hashimoto
mesh_terms: D000015:Abnormalities, Multiple / Q000235:genetics; D002648:Child; D002872:Chromosome Deletion; D007446:Chromosome Inversion; D002887:Chromosomes, Human, Pair 18; D006801:Humans; D008297:Male; D009035:Mothers; D011995:Recombination, Genetic; D014314:Trisomy