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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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(click to filter results - removes previous filter) 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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