title: A ring chromosome 9 in an infant with malformations.
abstract: A low-birth-weight infant with malformed upper extremities and congenital heart disease was observed. Cytogenetic analysis revealed a 46,XY,r(9)(p24q34) complement.
mesh_terms: D002869:Chromosome Aberrations / Q000000981:diagnostic imaging / Q000235:genetics*; D025063:Chromosome Disorders; D002906:Chromosomes, Human, 6-12 and X; D006330:Heart Defects, Congenital / Q000000981:diagnostic imaging / Q000235:genetics*; D006801:Humans; D007230:Infant, Low Birth Weight; D007231:Infant, Newborn; D007621:Karyotyping; D008297:Male; D011859:Radiography