Leigh Anne Flore

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Ring chromosomes are thought to be the result of breakage in both arms of a chromosome, with fusion of the points of fracture and loss of the distal fragments. Another mechanism of ring formation is believed to be the simple fusion of chromosome ends with preservation of telomeric and subtelomeric sequences. Ring chromosome 13 was first described in 1968(More)
Global developmental delay (GDD) and intellectual disability (ID) occur in up to 3% of the general population and are even more commonly encountered in the setting of the pediatric neurology clinic. New advances in technology and in the understanding of genetic disorders have led to changes in the diagnostic approach to a child with unexplained GDD or ID.(More)
Fluorescence in situ hybridization (FISH) of chromosome-specific probes to interphase uncultured amniocytes was performed in cases in which follow-up amniocenteses were done for confirmation of previously detected mosaicism. FISH results were informative in all seven cases included in the study, and confirmed by subsequent cytogenetic analysis. FISH(More)
Smith-Magenis syndrome is associated with a microdeletion of the short arm of chromosome 17 with phenotypic abnormalities including dysmorphic facies, self-injurious behavior, mental and neurologic disturbances, and congenital cardiac defects. The majority of patients present in mid-childhood or adulthood. We describe a fetus in which the diagnosis of(More)
Capillary malformation-arteriovenous malformation (CM-AVM; MIM 60354) is an autosomal dominant disorder characterized by multifocal cutaneous capillary malformations, often in association with fast-flow vascular lesions, which may be cutaneous, subcutaneous, intramuscular, intraosseus, or cerebral arteriovenous malformations or arteriovenous fistulas.(More)
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