title: Tetrasomy 18p in a child with trisomy 18 phenotype.
abstract: We report on a patient with trisomy 18 syndrome and tetrasomy 18p. The case indicates that the presence of an isochromosome i(18p) can mimic complete trisomy 18 syndrome.
authors.affiliation: Department of Pediatrics, Hadassah University Hospital, Jerusalem.
authors.forename: T S
authors.initials: TS
authors.lastname: Singer
authors.forename: G
authors.initials: G
authors.lastname: Kohn
authors.forename: S
authors.initials: S
authors.lastname: Yatziv
mesh_terms: D002869:Chromosome Aberrations; D002887:Chromosomes, Human, Pair 18; D006801:Humans; D007223:Infant; D007621:Karyotyping; D008297:Male; D010641:Phenotype; D014314:Trisomy