نتایج جستجو برای: macrocephaly
تعداد نتایج: 695 فیلتر نتایج به سال:
Bannayan-Riley-Ruvalcaba syndrome (BRRS) is one of the phosphatase and tensin homolog hamartoma tumor syndrome with a PTEN gene mutation. It is a rare dominant autosomal disorder characterized by cutaneous lipomas, macrocephaly, intestinal polyps, and developmental delay. Diagnosing this syndrome is important, because it may represent the pediatric phenotype of Cowden syndrome, in which there i...
SUMMARY Bannayan-Riley-Ruvalcaba syndrome is a congenital disorder characterized by macrocephaly, intestinal polyposis, lipomas, and pigmented macules of the penis. There is limited published radiologic literature on the syndrome. The purpose of this study was to review the brain MR imaging findings in Bannayan-Riley-Ruvalcaba syndrome as well as to compare and contrast the findings with other ...
A family with X linked inheritance of mental retardation (XLMR) is presented. There are 10 mentally retarded males and two affected females in two generations. There are four obligatory carriers, one of whom is described as "slow". Most affected males show macrocephaly and macro-orchidism, which are typical signs of the fragile X syndrome, but have been tested cytogenetically and by analysis of...
BACKGROUND The condition known as macrocephaly-cutis marmorata telangiectatica congenita syndrome (M-CMTC) is a rare congenital syndrome of unknown etiology characterized by macrocephaly and vascular lesions that have been described as either cutis marmorata or cutis marmorata telangiectatica congenita (CMTC). Most patients also exhibit facial and limb asymmetry; somatic overgrowth; development...
The proper development of neuronal circuits during neuromorphogenesis and neuronal-network formation is critically dependent on a coordinated and intricate series of molecular and cellular cues and responses. Although the cortical actin cytoskeleton is known to play a key role in neuromorphogenesis, relatively little is known about the specific molecules important for this process. Using linkag...
Sotos syndrome is a multiple anomaly syndrome characterized by pre- and postnatal overgrowth with advanced bone age, macrocephaly, developmental delay, and distinctive facial phenotype. Autosomal dominant mutations and deletions of the nuclear receptor set domain gene (NSD1), which is located at chromosome 5q35, are responsible for most of the cases. We describe a six-year old boy who had tall ...
Megalencephaly and macrocephaly present with a head circumference measurement 2 standard deviations above the age-related mean. However, even if pathologic events resulting in both megalencephaly and macrocephaly may coexist, a distinction between these two entities is appropriate, as they represent clinical expression of different disorders with a different approach in clinical work-up, overal...
Costello syndrome is a rare genetic disorder characterised by growth and mental retardation, macrocephaly, short neck and macroglossia. Cardiac involvement can also occur in Costello syndrome and is presented in the form of hypertrophic cardiomyopathy, tachyarrythmias and valvular dysfunction. Nervous system involvement including ventriculomegaly, hydrocephaly and Chiari type 1 malformation are...
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