Encontrados 4 documentos, a visualizar página 1 de 1
MRI amygdala volume in Williams syndrome
Capitão, Liliana; Sampaio, Adriana; Sampaio, Cassandra; Vasconcelos, Cristiana; Férnandez, Montse; Garayzábal Heinze, Elena; Shenton, Martha E.One of the most intriguing characteristics of Williams Syndrome individuals is their hypersociability. The amygdala has been consistently implicated in the etiology of this social profile, particularly given its role in emotional and social behavior. This study examined amygdala volume and symmetry in WS individuals and in age and sex matched controls. Magnetic resonance imaging scans were obtained on a GE 1.5-...
MRI assessment of superior temporal gyrus in Williams syndrome
Sampaio, Adriana; Sousa, Nuno; Férnandez, Montse; Vasconcelos, Cristiana; Shenton, Martha E.; Gonçalves, Óscar F.Prova tipográfica (In Press) ; Objective: To evaluate volumes and asymmetry of superior temporal gyrus (STG) and correlate these measures with a neurocognitive evaluation of verbal performance in Williams syndrome (WS) and in a typically developing age-matched and sex-matched group. Background: Despite initial claims of language strength in WS, recent studies suggest delayed language milestones. The STG is imp...
Aneurysmal malformation of the vein of Galen in adults.
Xavier, João; Alves, Viriato; Vasconcelos, Cristiana; Leite, António; Cruz, RomeuWe present an adult male harbouring a vascular malformation, manifested by haemorrhage, which localization, arterial feeders and venous drainage, match the pattern of choroidal type vein of Galen aneurysmal malformations seen in babies, excepting the absence of anterior choroidal arteries participation. A few cases of vein of Galen aneurysmal malformations were already reported in adults, but haemorrhage was ne...
Phenotypic evolution in adrenoleukodystrophy.
Mendes, Paula; Meneses, Isabel; Monteiro, Luis; Coelho, Teresa; Vasconcelos, Cristiana; Lemos, Manuela; Ferreira, Rita; Sá Miranda, Maria ClaraThe X-linked adrenoleukodystrophy (ALD) is a genetic disease, caused by a defect mapped to Xq28. It is characterised by progressive demyelination of the cerebral white matter and adrenal insufficiency. The most important change that occurs is the accumulation of very long chain fatty acids (VLCFAs). The authors describe a patient whom the initial phenotype was Addison disease only (AO). With 21 years old he dev...
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