Proximal interstitial deletion of 7q: a case report and review of the literature.
A male infant with multiple congenital anomalies was found to have a deletion of 7q [46,XY,del(7)(pter----q11.2::q22----qter)]. The father had a balanced rearrangement involving chromosomes 7 and 9, interpreted as 46,XY,dir ins(9;7), (9pter----9p12::7q22----7q11.2::9p12----++ +9qter;7pter---- 7q11.2::7q22----7qter). C-banding showed that the rearrangement occurred as a new event in the paternal grandfather's germ-line. Including the present patient, 16 cases of proximal 7q deletion (q11----q21/q22) have been described to date. This is a sufficient number of cases to permit comparison of manifestations to attempt delineation of karyotype-phenotype relationships in different proximal interstitial deletions of 7q.
Division of Human Genetics, University of Maryland School of Medicine, Baltimore 21201.
J L
JL
Zackowski
L J
LJ
Raffel
C A
CA
Blank
S
S
Schwartz
D000015:Abnormalities, Multiple / Q000235:genetics; D002871:Chromosome Banding; D002872:Chromosome Deletion; D002897:Chromosomes, Human, Pair 7; D006801:Humans; D007223:Infant; D007621:Karyotyping; D008297:Male