نتایج جستجو برای: brain anomaly
تعداد نتایج: 510788 فیلتر نتایج به سال:
developmental venous anomaly (dva) is a common lesion formerly known as venous angioma. dvas drain normal brain parenchyma; however, parenchymal abnormalities surrounding dvas have been reported. unilateral putamen and caudate calcification in the drainage territory of dvas has so far been reported in 7 cases, all with deep venous drainage. we present two additional cases of dvas, one with supe...
To assess the clinical utility of assessing embryonic brain and cranium by ultrasound at 7–10 weeks gestation. 1000 consecutive cases clinically indicated scans 7-10 were evaluated prospectively to evaluating cranial morphology in with bleeding, pelvic pain, previous pregnancy losses, those requesting for reassurance or an early scan. All embryos assessed transabdominal scans, supplemented tran...
Background Ebstein’s anomaly of the tricuspid valve involves a congenitally displaced and dysplastic tricuspid valve (TV). The displacement of the TV towards the apex results in an enlarged right atrium (RA) with an atrialzied portion of the right ventricle (aRV) and an enlarged functional right ventricle (fRV). Brain natriuretic peptide (BNP) is a heart failure marker. Its role in Ebstein’s an...
Deep generative models have emerged as promising tools for detecting arbitrary anomalies in data, dispensing with the necessity manual labelling. Recently, autoregressive transformers achieved state-of-the-art performance anomaly detection medical imaging. Nonetheless, these still some intrinsic weaknesses, such requiring images to be modelled 1D sequences, accumulation of errors during samplin...
BACKGROUND Bilateral infarction in the anterior cerebral artery vascular territory is rare and usually results from rupture of an aneurysm of the anterior communicating artery. In the case of an anomaly of the anterior part of the circle of Willis, thrombosis also may lead to bilateral infarction. CASE DESCRIPTION A 73-year-old right-handed man presented with a complete loss of communicative ...
Vascular malformations comprise a broad and heterogeneous range of lesions that often represent a diagnostic and therapeutic challenge for the pediatrician. For a long time, the use of an inaccurate nomenclature has led to confusion. Since management depends on the specific vascular malformation, a proper classification and identification is critical. The objective of this article is to provide...
Purpose: The circle of willis is responsible for blood supply of brain, which may suffer from anatomical variations. These disturbances can lead to aneurysm or even arterial rupture. The purpose of this study was to evaluate the anatomical structure of the cerebral arteries forming the circle of willis in adult cadavers. Also, cerebral versus non- cerebral versus non-cerebral arterial walls wer...
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