نتایج جستجو برای: lateral ventricle
تعداد نتایج: 157738 فیلتر نتایج به سال:
BACKGROUND The functional pathways of efferent sympathetic and vagal innervation to the right ventricle (RV) might be important in a variety of disease states that involve the RV wall. The purpose of this study was to investigate those pathways. METHODS AND RESULTS We determined the effects of phenol and endocardial radiofrequency ablation applied to the RV anterolateral wall and outflow trac...
We have previously observed that intracerebroventricular allopregnanolone (ALLO) injection produced an anxiolytic effect and inhibited sexual receptivity when the test was performed in a separate manner. Also, ALLO reverts learning deficit in female rats in the hippocampi. To study the behavioral effects of an acute treatment with ALLO in the right lateral ventricle we used two approaches: aA b...
The purpose of this study was to elucidate which white matter (WM)-tracts are visualized on heavily T2-weighted three-dimensional fluid-attenuated inversion-recovery (hT2w-3D-FLAIR) images. Records of seven patients who underwent hT2w-3D-FLAIR and diffusion tensor imaging (DTI) of the head at 3 Tesla were analyzed. Two neuroradiologists determined WM-tracts visualized on hT2w-3D-FLAIR and ident...
In dogs anesthetized with intravenous chloralose, vasopressin was injected either intravenously or into the cerebral ventricles, and the cardiovascular effects were studied before and after stabilizing the arterial blood pressure, bilateral vagotomy, and transection of the cervical cord at the level of C2. Intravenous vasopressin caused a rise in arterial blood pressure and pronounced bradycard...
Depression is one of the most common psychiatric disorders and is associated with considerable morbidity. In recent years structural-imaging technology has provided an opportunity to examine the brain anatomy in patients with the psychiatric illness. 10 patients of various ages and, as the control group, 16 healthy subjects were examined using the MRI method of neuroimaging. The volumes of the ...
Our aim was to compare the predictive accuracy of 4 different medial temporal lobe measurements for Alzheimer's disease (AD) in subjects with mild cognitive impairment (MCI). Manual hippocampal measurement, automated atlas-based hippocampal measurement, a visual rating scale (MTA-score), and lateral ventricle measurement were compared. Predictive accuracy for AD 2 years after baseline was asses...
Subependymoma is a rare benign tumor of the ventricular system. It was described as a distinct entity by Scheinker in 1945. The fourth ventricle is the most common location. Many cases are asymptomatic and discovered at autopsy. Symptomatic cases often present with hydrocephalus.We present two cases of subependymoma located in lateral ventricles. Case 1 was a 69-year-old male with non-Hodgkin's...
Hydrocephalus is a common neurological disease in humans, but a uniform and particularly effective hydrocephalic animal model amenable to proper appraisal and deep study has not yet been established. In this study, we attempted to construct a high-efficiency model of hydrocephalus via intraventricular kaolin injection. Adult male Sprague-Dawley rats were randomly divided into 2 groups: the cont...
We report a case of cerebral abscess, which ruptured into the lateral ventricle. The radiological features on conventional MRI, appearance on both diffusion weighted images (DWI) and apparent diffusion coefficient (ADC) maps are described.
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