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Title: Pericentric inversion with partial 7(q35-->qter) duplication and 7pter deletion: diagnosis by cytogenetic and fish analysis in a 29-year-old male patient
Authors: Lukusa-Tshilobo, Prosper ×
Van Buggenhout, Griet
Devriendt, Koenraad
Fryns, Jean-Pierre #
Issue Date: May-2002
Series Title: Genetic Counseling vol:13 issue:1 pages:1-10
Abstract: We report on a 29-year-old male patient with an inverted 7(q35-qter) duplication diagnosed by combining cytogenetic and FISH studies. Traditional G-banding detected an abnormally long chromosome 7 which was further demonstrated to be entirely of chromosome 7 origin by using fluorescent whole chromosome 7 painting. The presence within the additional segment of a signal for 7q36 region (Williams control probe) and the absence of signals for 7q33 (Y938G5 probe) and 7q34 (Y815G5 probe) regions indicated that the breakpoint for this rearrangement was distal to 7q34 and proximal to 7q36. A distal 7p22 deletion was confirmed by the absence of signal for the 7p subtelomeric probe. Apart from kyphosis, developmental/mental retardation and abnormal ears, the clinical features of the present patient, who is the oldest individual ever reported with this duplication/deletion, were not typical for partial 7q trisomy syndrome. A review of the cases reported with 7(q35-qter) duplication is made and shows important clinical variability but constantly normal pre- and postnatal growth, a feature which can therefore be confirmed as distinctive of distal 7q trisomy syndrome.
ISSN: 1015-8146
Publication status: published
KU Leuven publication type: IT
Appears in Collections:Clinical Genetics Section (-)
Department of Human Genetics - miscellaneous
Laboratory for Genetics of Human Development
× corresponding author
# (joint) last author

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