نتایج جستجو برای: bilateral lesion model
تعداد نتایج: 2265054 فیلتر نتایج به سال:
Mediastinal cavernous lymphangioma is a rare mediastinal lesion and its association with lupus erythematosus has not yet been reported in the literature. We present a 25 year-old female with lupus erythematosus who had bilateral massive refractory and recurrent pleural effusion as well as ascites for a long period of time. During surgery, a huge multicystic lesion with a thick wall, covering th...
Design We report the case of an incidental pituitary mass discovered in the context of bilateral cavernous sinus thrombosis due to a bacterial pansinusitis. Conclusions Magnetic resonance imaging features of the pituitary lesion, together with transient central hypogonadism and total regression of the mass after anticoagulation and antimicrobial therapy, suggest that this lesion is a pituitary ...
After coronary by-pass surgery, a 47 year old, right-handed man developed Gerstmann's syndrome, a visual-spatial perceptual deficit, and a gross impairment of movememt under visual guidance ("optic ataxia"). Visual fields and extraocular movements were intact; he had a left hemiparesis. The EMIscan showed three lesions: a left parietal-occipital lesion; a posterior callosal lesion, and a right ...
We herein report a 55-year-old woman who presented with erythema and bilateral hilar lymphadenopathy 4 months prior to the detection of pancreatic lesions on an ultrasound. A skin biopsy showed evidence of sarcoidosis. The largest lesion in the tail of the pancreas was hypoechoic on endoscopic ultrasonography (EUS). The lesion was initially iso-enhanced on contrast enhanced-EUS (CE-EUS) but sub...
The pigmented Long-Evans rat has proven to be an excellent subject for studying visually guided behavior including quantitative visual psychophysics. This observation, together with its experimental accessibility and its close homology to the mouse, has made it an attractive model system in which to dissect the thalamic and cortical circuits underlying visual perception. Given that visually gui...
Four groups of rats, sustaining a striatal quinolinic acid (QA) lesion, a pallidal QA lesion, a combined striatal + pallidal lesion, or sham operation, were tested in spontaneous and amphetamine-induced activity, spatial navigation in a water maze, position discrimination and reversal in a wet T maze, and food manipulation. The striatal lesion markedly impaired rats' performance on the motor an...
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