Image quality analysis to reduce dental artifacts in head and neck imaging with DSCT
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MPRs are not capable of reducing dental artifacts sufficiently. In patients with dental artifacts overlying the anatomical structures of the oropharynx, an additional short angulated spiral parallel to the floor of the mouth is recommended and should be applied for daily routine. Read more
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Case: Trauma – AOD
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Case history: 20 year old female involved in a MVC had CT scan in the acute setting. Diagnosis: The CT scan revealed marked atlanto occipital dissociation (ie seperation of the skull from the neck), with the presence of a traumatic arterio venous fistula at the base of the neck. Read more
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Case: Brain vessels
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Case history: Stroke; Diagnosis: The cranial arteries and veins are patent. Read more
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Assessing thyroid perfusion
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The following question has been sent by Han Dan, China: Because the thyroid gland is very sensitive to X-yay, we want to know if we could check the thyroid gland by CT perfusion or if we use lower dose in scanning when we check the thyroid gland … Read more
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Protocol Dual Energy Head and Neck CTA
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Please, click on the title to see the protocol. Read more
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Dual Source CT Dual Energy Head and Neck CTA
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Case history A 72-year-old female patient arrives to CMIV at the University Hospital in Linköping, Sweden. She has been having two episodes of amarosis fugax two times last month and a severe holocephal headache for the last six hours. A CTA of the head and neck were performed at CMIV. Diagnosis/ Differential … Read more
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Calcification of the carotid artery
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Case history A 63-year-old hypertensive patient is presenting with transient amaurosis fugax and aphasia for 8 hours. MRI angiography was not possible because a cardiac pacemaker is present. Questions Abnormal anatomy of the carotid vessels? Severe carotid artery stenosis? Plaques of the carotid arteries? Diagnosis / Differential diagnosis Arteriosclerosis of the internal carotid artery Occlusion of carotid artery … Read more
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