نتایج جستجو برای: brain anomaly
تعداد نتایج: 510788 فیلتر نتایج به سال:
Anomaly detection methods can be very useful in identifying unusual or interesting patterns in data. A recently proposed conditional anomaly detection framework extends anomaly detection to the problem of identifying anomalous patterns on a subset of attributes in the data. The anomaly always depends (is conditioned) on the value of remaining attributes. The work presented in this paper focuses...
Congenital muscular dystrophies (CMDs) are autosomal recessive, heterogeneous disorders. The most frequent form in the Caucasian population is classic (occidental) CMD, characterized by exclusive muscle involvement, although abnormal brain white matter signals are occasionally observed on MRI. Recently, deficiency of merosin, the laminin isoform in skeletal muscle, has been identified in classi...
Left-sided inferior vena cava (IVC) is the second most common anatomical anomaly of the IVC after duplication. Herein, we present two cases of left-sided IVC, diagnosed during organ retrieval procedure. In a young brain-dead man, a single left-sided IVC was observed; it originated from iliac confluence in the left side of the aorta and extended throughout the abdomen. There was no retrohepatic ...
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...
Whether preceded by preeclampsia, or occuring without antecedent warning symptoms, eclamptic seizures usually occur in the antepartum period between 20 and 40 weeks of gestation or within a few hours to 2 days postpartum. We report the case of a patient with pre-eclampsia who developed seizures after more than 2 days of delivery. In view of late onset postpartum seizures and non-responsiveness ...
BACKGROUND Recurrence risks for familial congenital anomalies in successive pregnancies are known, but this information for major structural anomalies is lacking. We estimated the absolute and relative risks of recurrent congenital anomaly in the second pregnancy for women with a history of a congenital anomaly in the first pregnancy, for all major anomaly groups and subtypes. METHODS Populat...
Pulmonary arteriovenous malformation (PAVM) is an uncommon congenital anomaly. As PAVM is a direct communication between branches of the pulmonary artery and vein, major disturbances in gas exchange can result. We present a patient with an unsuspected PAVM who came to our institution for drainage of a brain abscess. Arterial blood gas analysis during and after surgery demonstrated a large alveo...
Malformations of the forebrain are characterized by abnormalities in size, shape, and arrangement of the cerebral hemispheres and ventricles. We present the morphological picture of a brain with failure of the forebrain complementary to holoprosencephaly coexisting with absence of the anterodorsal part of the prosencephalic ventricles. The anomaly can be graded within the holoprosencephalic spe...
A 49 year-old man with trigeminal neuralgia caused by megadolichobasilar anomaly was described. The patient having neuralgic attacks in the second branch of the right trigeminal nerve for two and a half years showed the angiographic evidence of a tortuous and elongated vertebrobasilar artery and MRI of the brain clearly visualized the root entry zone of the nerve having been compressed by the m...
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