Document Detail

The troubles I've seen.
MedLine Citation:
PMID:  20818208     Owner:  NLM     Status:  MEDLINE    
This Hoyt lecture is composed of 2 topics. First, a series of patients with idiopathic intracranial hypertension (IIH) is presented, emphasizing the importance of magnetic resonance venography (MRV). Study of the cerebral venous sinuses in IIH may demonstrate focal stenosis or venous gaps and represent a manifestation of elevated intracranial pressure. Conversely, the clinical picture of IIH may occur following cerebral venous sinus thrombosis, and MRV may be essential in establishing this diagnosis. In the future, evaluation of flow in the cerebral venous sinuses may play an important role in determining the potential for visual failure. Second, I will review patients with visual cognitive changes, which often go unrecognized. These patients suffer from visuoperceptual disturbances, recognizing parts of visual scenes but not the entire picture and are unable to comprehend their visual environment. These findings are often part of the syndrome of posterior cortical atrophy characterized by parieto-occipital atrophy, enlargement of the atrial portion of the ventricular system, and diminished metabolic activity in the posterior portion of the brain demonstrated with positron emission tomography.
Norman J Schatz
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Publication Detail:
Type:  Journal Article    
Journal Detail:
Title:  Journal of neuro-ophthalmology : the official journal of the North American Neuro-Ophthalmology Society     Volume:  30     ISSN:  1536-5166     ISO Abbreviation:  J Neuroophthalmol     Publication Date:  2010 Sep 
Date Detail:
Created Date:  2010-09-06     Completed Date:  2010-12-21     Revised Date:  -    
Medline Journal Info:
Nlm Unique ID:  9431308     Medline TA:  J Neuroophthalmol     Country:  United States    
Other Details:
Languages:  eng     Pagination:  288-94     Citation Subset:  IM    
Bascom Palmer Eye Institute, University of Miami, Miami, Florida, USA.
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MeSH Terms
Cranial Sinuses / radiography,  radionuclide imaging
Intracranial Hypertension / complications*,  diagnosis*
Perceptual Disorders / etiology*,  radionuclide imaging
Positron-Emission Tomography / methods
Visual Perception / physiology

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