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Clinical and cytogenetic features of a patient with partial trisomy 8q and partial monosomy 13q delineated by array comparative genomic hybridization.

Sohn, YB; Yun, JN; Park, SJ; Park, MS; Kim, SH; Lee, JH
Annals of clinical and laboratory science, 43(3):332-336, 2013
Journal Title
Annals of clinical and laboratory science
Partial trisomy 8q is rare and has distinctive clinical features, including severe mental retardation, growth impairment, dysmorphic facial appearances, cleft palate, congenital heart disease, and urogenital anomalies. Partial monosomy 13q is a rare genetic disorder displaying a variety of phenotypic characteristics including mental retardation, dysmorphic facial features, and congenital anomalies. Here, we describe for the first time clinical observations and cytogenetic analysis of a patient with a concomitant occurrence of partial trisomy of 8q (8q21.3→qter) and partial monosomy 13q(13q34→qter). The patient was a female neonate with facial dysmorphia, agenesis of the corpus callosum, cleft palate, and congenital heart disease. G-band standard karyotype was 46,XX,add(13)(q34). To determine the origin of additional genomic gain in chromosome 13, array comparative genomic hybridization (CGH) was performed. Array CGH showed a 56.8 Mb sized gain on chromosome 8q and a 0.28 Mb sized loss on chromosome 13q. Therefore, the final karyotype of the patient was defined as 46,XX, der(13)t(8;13)(q21.3;q34). In conclusion, we described the clinical and cytogenetic analysis of the patient with concomitant occurrence of partial trisomy 8q and partial monosomy 13q delineated by array CGH. This report suggests that the array CGH would be a valuable diagnostic tool for identifying the origin of small additional genetic materials.
MeSH terms
*Abnormalities, Multiple*Chromosome AberrationsChromosome Banding*Chromosome DeletionChromosome Disorders/*genetics/pathologyChromosomes, Human, Pair 13/geneticsChromosomes, Human, Pair 8/genetics*Comparative Genomic HybridizationFemaleHumansInfant, NewbornKaryotypingTrisomy/genetics/*pathology
Appears in Collections:
Journal Papers > School of Medicine / Graduate School of Medicine > Medical Genetics
Journal Papers > School of Medicine / Graduate School of Medicine > Pediatrics & Adolescent Medicine
AJOU Authors
손, 영배박, 문성김, 성환이, 장훈
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