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Vertebral Artery Dissection with a Normal-Appearing Lumen at Multisection CT Angiography: The Importance of Identifying Wall Hematoma
AJNR 30:787-792, Lum,C.,et al, 2009
See this aricle in Pubmed

Article Abstract
Cross-sectional vascular imaging is often performed with multisection helical CTA for a variety of concerns, some without neurologic symptoms. Our study confirms that in cases of the �suboccipital rind� sign, the lumen appears normal in caliber, with wall thickening as the only imaging sign of VAD. In our center, this clinically occult VAD would influence management, with patients usually treated with antiplatelet agents. We caution against using only luminal-opacifying techniques such as contrast-enhanced MRA or conventional angiography to exclude VAD because they are limited in the evaluation of mural hematoma.
 
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angiography,cerebral,false negative
arterial dissection
arterial dissection,vertebral
arterial dissection,wall thickness
arterial wall hematoma
carotid artery intima-media thickness
carotid artery plaque,hemorrhage in
CAT scan,angiography
CAT scan,angiography,false negative
false negative
misdiagnosis
MRI,abnormal
MRI,angiography,contrast enhanced
MRI,angiography,false negative
vertebral artery wall thickness

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