Reported tandem duplication/deletion of 9q is actually an inverted duplication.
Wyandt
H E
HE
D002869:Chromosome Aberrations; D002871:Chromosome Banding; D002872:Chromosome Deletion; D002899:Chromosomes, Human, Pair 9 / Q000235:genetics*; D005260:Female; D005333:Fetus; D020440:Gene Duplication; D006801:Humans; D017404:In Situ Hybridization, Fluorescence