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Duplication of (12)(pter-q13.3) combined with deletion of (22)(pter-q11.2) in a patient with features of both chromosome aberrations


Tyshchenko, Nataliya A; Riegel, Mariluce; Evseenkova, Elena G; Zerova, Tatjana E; Gorovenko, Nataliya G; Schinzel, Albert (2006). Duplication of (12)(pter-q13.3) combined with deletion of (22)(pter-q11.2) in a patient with features of both chromosome aberrations. European Journal of Medical Genetics, 50(2):128-32.

Abstract

We report a patient with multiple dysmorphic signs and congenital malformations, representing a combination of clinical features of duplication (12p) and deletion (22)(q11.2) syndromes. The girl had overgrowth at birth, showed abnormal cranio-facial findings, cleft uvula, a complex conotruncal heart defect, a polycystic right kidney, and an umbilical hernia. She died at the age of 6 months of cardio-respiratory failure. Cytogenetic examination demonstrated a derivative chromosome 12 replacing one of the two chromosomes 22. The paternal karyotype was normal 46,XY while the mother's karyotype was 46,XX,rcp(12;22)(q13.2;q11.2). According to the published data, all patients with deletion 22q11.2 combined with other unbalanced chromosomal aberration have a more severe clinical expression than those with interstitial deletions.

Abstract

We report a patient with multiple dysmorphic signs and congenital malformations, representing a combination of clinical features of duplication (12p) and deletion (22)(q11.2) syndromes. The girl had overgrowth at birth, showed abnormal cranio-facial findings, cleft uvula, a complex conotruncal heart defect, a polycystic right kidney, and an umbilical hernia. She died at the age of 6 months of cardio-respiratory failure. Cytogenetic examination demonstrated a derivative chromosome 12 replacing one of the two chromosomes 22. The paternal karyotype was normal 46,XY while the mother's karyotype was 46,XX,rcp(12;22)(q13.2;q11.2). According to the published data, all patients with deletion 22q11.2 combined with other unbalanced chromosomal aberration have a more severe clinical expression than those with interstitial deletions.

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Additional indexing

Item Type:Journal Article, refereed, original work
Communities & Collections:04 Faculty of Medicine > Institute of Medical Genetics
Dewey Decimal Classification:570 Life sciences; biology
610 Medicine & health
Scopus Subject Areas:Life Sciences > Genetics
Health Sciences > Genetics (clinical)
Language:English
Date:10 November 2006
Deposited On:25 Jun 2021 09:29
Last Modified:26 May 2024 01:40
Publisher:Elsevier
ISSN:1769-7212
OA Status:Closed
Publisher DOI:https://doi.org/10.1016/j.ejmg.2006.10.008
PubMed ID:17174617