نتایج جستجو برای: linked mental retardation
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introduction: mental retardation, is one of the most common causes for referral to genetic counseling centers, and is one of the greatest challenges in health care services in the world. down syndrome is the most common chromosomal abnormalities in humans. methods: this study performed in medical genetic counseling center of welfare organization in south of iran with high consanguineous marriag...
Four males with X linked mental retardation are described. Manifestations similar to those seen in the FG syndrome include severe constipation, tall, broad foreheads, hypotonia, and cowlicks of the hair line, but no individual patient had all the features of the syndrome and none had macrocephaly. The facial appearance was distinctive but different from that seen in the FG syndrome. The cases a...
Anumber of apparently non-syndromic X linked mental retardation syndromes are associated with subtle but characteristic phenotypic manifestations. Such manifestations can be dysmorphic features but they potentially also extend to abnormal brain morphology. In this latter field, progress in neuroimaging has aided the approach to brain malformations associated with mental retardation hence allowi...
X linked mental retardation (XLMR) represents around 5% of all MR, with a prevalence of 1 in 600 males. 2 Fifteen to twenty percent of the total XLMR is the result of the fragile X syndrome. Non-fragile X mental retardation was subdivided into syndromal and non-syndromal conditions by Neri et al in 1991. The syndromal XLMR entities (MRXS) are those in which there is a specific pattern of physic...
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