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Journals and Conferences
A neurodegenerative disease is reported in 5 related families, belonging to a Dutch genetic isolate. Seven children (5 females, 2 males) had microcephaly, spastic pareses, severe extrapyramidal dyskinesia and failure to acquire any voluntary skills. Four died during childhood. Marked pontocerebellar hypoplasia and progressive cerebral atrophy were found by… (More)
We describe two patients with cerebrovascular complications of Ehlers-Danlos syndrome type IV. A 16-year-old girl with spontaneous internal carotid artery dissection and a 46-year-old woman with aneurysmal subarachnoid hemorrhage and multiple aortic dissections were both deficient in collagen type III, analyzed in cultured skin fibroblasts. To our… (More)
A 15-year-old girl with the Langer-Giedion-syndrome (tricho-rhino-phalangeal syndrome, type II) is presented. The features are multiple exostoses, sparse, fine hair and an abnormal face and hands. X-ray examination reveals exostoses and abnormal epiphyses. In this case intelligence is normal; there is severe sensorineural deafness (60–80 dB hearing loss).… (More)
This report describes a retarded girl with strabismus, high arched palate, antimongoloid slant, low set ears, hearing loss, micrognathia, short neck, and an anteriorly displaced anus. She was found to have a de novo partial trisomy of the proximal part of the long arm of chromosome 15.
This report describes a non-retarded human male, mosaic for a 47,XY,+8 and a 48,XXYY cell line. The 47,XY,+8 cell line is present in approximately 70% of both lymphocytes and skin fibroblasts; 30% of the cells in both tissues have a 48,XXYY karyotype. Clinical abnormalities correspond mostly with the mosaic trisomy 8 syndrome.
The Schinzel-Giedion syndrome is an infrequently described malformation syndrome, mainly characterized by a profound mental deficiency, a typical face including a midface hypoplasia, urogenital abnormalities, and minor radiographic features. Death prior to two year of age is the rule. A boy with typical features of the syndrome is described. He died at the… (More)
A boy of 6.5 years and his 36-year-old father were found to excrete elevated amounts of urinary 2-methyl-3-hydroxybutyric acid and tiglylglycine, as is found in patients with a presumed β-ketothiolase deficiency. Psychomotor development of both patients was normal. The clinical picture was mild, as only during periods with infections does metabolic acidosis… (More)
A 13-year-old girl with severe mental retardation, tapetoretinal degeneration, an extinguished electroretinogram and sensoneurinal hearing loss is described. In early life the diagnosis of Zellweger (cerebro-hepato-renal) syndrome was considered because of hypotonia, craniofacial dysmorphia, abnormal liver functions and pipecolic aciduria. Biochemical… (More)