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Query: UMLS:C0025362 (mental retardation)
 15,878 document(s) hit in 31,850,051 MEDLINE articles (0.00 seconds)

The clinical picture of the Rubinstein-Taybi syndrome is characterized by mental retardation, broad thumb and large toe, beaky nose, antimongloid lid axis and numerous morphological signs. The patients resemble one another so that in many instances the diagnosis can be made on sight. Three cases are described. The exact differentiation from other abnormalities with mental retardation is important, especially in genetic counselling of the affected families.
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PMID:[The Rubinstein-Taybi syndrome (author's transl)]. 68 91

We report a new case of Rubinstein-Taybi syndrome with a hypoplastic right kidney, persistent pulmonary hypertension, and mitral valve regurgitation. Other pertinent features included broad thumbs, broad big toes, syndactyly of the third and fourth fingers bilaterally, beaked nose, broad columella of the nose, patent ductus arteriosus, and motor and mental retardation. The testes were descended. The 3 month old patient had delayed motor and mental development corresponding to a 1 month old infant.
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PMID:New dysmorphic features in Rubinstein-Taybi syndrome. 140

We describe a girl with typical Rubinstein-Taybi syndrome with apparently balanced reciprocal translocation between chromosome 2 and 16. The patient has a condition characterized by mental retardation, typical facial manifestations, broad thumbs and first toes. Cytogenetic studies of the patient showed a reciprocal translocation without visible deletion, karyotype: 46,XX, t(2;16)(p13.3;p13.3). Her parents had normal chromosomes. These results suggest that the locus of the gene for the Rubinstein-Taybi syndrome may be situated at 2p13.3 or 16p13.3.
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PMID:Rubinstein-Taybi syndrome with de novo reciprocal translocation t(2;16)(p13.3;p13.3). 206 11

The authors report on 4 cases of Rubinstein-Taybi syndrome. The specific features of this clinical entity of unknown aetiology, are emphasized: mental retardation, characteristic faecies, broad thumbs and large toes; short stature and cryptorchidism are often associated.
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PMID:[Rubinstein-Taybi syndrome in 4 cases]. 217 Sep 23

We reported a case of Rubinstein-Taybi syndrome suspected in association with goniodysgenetic glaucoma, and studied using light and electron microscopy the anterior chamber angle tissues obtained surgically by trabeculectomy. The patient was 31-year old male, who had a systemic appearance of Rubinstein-Taybi syndrome with dwarfism, mental retardation, antimongoloid slant, flat-broad based thumbs, low set ears, high arched plate except for whorl of dermatographism. In addition to these malformations, goniodysgenetic glaucoma was also present which is characterized by underdevelopment of the angle recess and invisible ciliary body band in gonioscopic examination. The histopathological studies of the specimens revealed the presence of a compact tissue filled with a large amount of collagen fibers with few cells in the juxta-canalicular tissue of Schlemm's canal. There were 3 to 4 layers of trabecular sheets of corneoscleral meshwork at the anterior chamber side of the compact tissue. We conclude that the presence of the compact tissue under Schlemm's canal represents goniodysgenesis, underdevelopment of the trabecular meshwork, which is the primary cause of the glaucoma in this case.
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PMID:[A case of Rubinstein-Taybi syndrome suspected with goniodysgenetic glaucoma]. 222 May 8

Rubinstein-Taybi is a rare malformative syndrome characterized by dysmorphic features and mental retardation. Early diagnosis in neonatal age can be facilitated by the presence of characteristic broadening of the distal phalanges of thumbs and great toes. Most of the cases are sporadic. Associated malformations such as bone anomalies, heart malformations, cell immunity deficits and metabolic alterations have been observed. This paper reports the first case of Rubinstein-Taybi syndrome associated with Dandy-Walker type cerebral malformation diagnosed in the neonatal period.
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PMID:Rubinstein-Taybi syndrome associated with Dandy-Walker cyst. Case report in a newborn. 262 58

A case of Rubinstein-Taybi syndrome (RTS) is presented. The syndrome is characterized by broad thumbs and great toes, peculiar facial features and mental retardation. The oral findings of the patient are reported, and the dental management is discussed.
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PMID:Rubinstein-Taybi syndrome. 267 94

The main features of Rubinstein-Taybi syndrome include special facial appearance, broad thumbs, great toes and mental retardation. This syndrome presents many organogenetic and systemic deformities and various congenital ocular abnormalities, such as epicanthus, antimogoloid palpebral fissures, highly arched eyebrows, long eyelashes, obstruction of nasolacrimal ducts, strabismus and iris coloboma. In this paper we report three children with Rubinstein-Taybi syndrome with the above systemic and ocular clinical findings, and think that the lacrimal abnormality should not be overlooked in this syndrome. We brief discuss the genetics of this syndrome and suggest that the search for minimal chromosomal defects by high resolution technique might be useful for etiologic and genetic research.
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PMID:[Rubinstein-Taybi syndrome--a report of three cases]. 270 81

The Rubinstein-Taybi syndrome is a condition characterized by mental retardation, typical facial changes and broad thumbs and big toes. The cause is unknown; almost all cases are sporadic. We describe a mother and son with Rubinstein-Taybi syndrome. Literature search documented at least 413 cases with 558 sibs. An affected offspring has occurred at least twice, possibly six times. In 45 yet undescribed Dutch cases no recurrence was found in 94 sibs. A submicroscopic chromosome deletion seems the most probable explanation, but other alternatives may be possible.
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PMID:Rubinstein-Taybi syndrome in a mother and son. 292 Jul 50

The first case of Rubinstein-Taybi syndrome in an African is reported. It is a syndrome of unknown etiology and prognosis, characterized by broad thumbs and great toes, mental retardation, high arched palate, distinctive facies, and undescended testes. Approximately 25 percent of patients have congenital cardiac defects, of which patent ductus arteriosus is the most common.
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PMID:Rubinstein-Taybi syndrome: report of a case in a Nigerian child. 369 98


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