multidetector-row CT
Carotid Artery Wall Thickness and Leukoaraiosis: Preliminary Results Using Multidetector Row CT Angiography
... All patients underwent MDCTA of the supra-aortic vessels by using a 16-detector multidetector-row CT system (Brilliance; Philips Health- care, Best, the Netherlands). A basal scan was obtained and ...
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CT and Ultrasound in the Study of Ulcerated Carotid Plaque Compared with Surgical Results: Potentialities and Advantages of Multidetector Row CT Angiography
... On multidetector row CT, because of the high velocity of ac- quisition, these artifacts occur with a lesser frequency com- pared with conventional CT ...
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Lens Exposure during Brain Scans Using Multidetector Row CT Scanners: Methods for Estimation of Lens Dose
... of multidetector row CT scanners, we obtained whole- brain CT scans for the head part of a Rando phantom (Phantom Laboratories, Salem, New York), which represented a 163-cm-tall and 54-kg ...
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Multidetector Row CT Angiography of Cerebral Vasospasm after Aneurysmal Subarachnoid Hemorrhage: Comparison of Volume Rendered Images and Digital Subtraction Angiography
... of multidetector row CT angiography compared with DSA in the detection of hemodynamically significant vasospasm (51%–100% of luminal narrowing) according to the anatomic district in 17 patients (251 ...
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Assessment of Intracranial Arterial Stenosis with Multidetector Row CT Angiography: A Postprocessing Techniques Comparison
... MATERIAL AND METHODS: Eighty-five patients who were studied by using a multidetector row CT scanner were retrospectively analyzed. A total of 2040 segments were examined in the 85 subjects. ...
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Staging of Laryngeal Cancer Using 64 Channel Multidetector Row CT: Comparison of Standard Neck CT with Dedicated Breath Maneuver Laryngeal CT
... Challenges of dedicated larynx protocol are inherent in scanning during specific maneuvers requiring patient com- pliance. When both true vocal cords showed no adduction in the images acquired during breath-holding, it ...
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Multidetector Row CT Angiography in Spontaneous Lobar Intracerebral Hemorrhage: A Prospective Comparison with Conventional Angiography
... Between September 2004 and February 2008, 105 consecutive pa- tients with spontaneous lobar ICH were referred to our institution. The patients were scheduled to undergo conventional DSA and were prospectively enrolled to ...
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Surgical anatomy of the right hepatic artery in Rouviere’s sulcus evaluated by preoperative multidetector-row CT images
... MDCT is the gold standard for imaging the anatomy of the hilar vessels and assessment of the cancer pro- gression. The 64-row MDCT (Toshiba) was per- formed in all patients except for those allergic to iodine ...
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Using Multidetector Row CT for the Diagnosis of Afferent Loop Syndrome Following Gastroenterostomy Reconstruction
... Fig. 3. Afferent loop obstruction in a 35-year-old woman after Billroth-II gastrojejunostomy. (A) Axial plane of MDCT shows bowel wall thickening (arrow) instead of appreciable lobulated mass-like lesion at the ...
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Experimental Study and Optimization of Scan Parameters That Influence Radiation Dose in Temporal Bone High Resolution Multidetector Row CT
... Helical Scanning with Different Detector Collimations In addition to overbeaming, overscanning results from helical or axial acquisitions where the x-ray exposure at the start and end of each scan exceeds the planned ...
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A pictorial review of acute aortic syndrome: discriminating and overlapping features as revealed by ECG-gated multidetector-row CT angiography
... As the crater-like ulcerations of PAU are often ac- companied by haemorrhagic content within the medial layer of the aortic wall [16], non-contrast enhanced CT demonstrates high-density haematoma in the aortic ...
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Bone Mineral Density Values Derived from Routine Lumbar Spine Multidetector Row CT Predict Osteoporotic Vertebral Fractures and Screw Loosening
... with a diameter of half the vertebral height in the ventral halves of the trabecular compartment of the vertebrae (Fig 1). In the 38 patients included in the calculation of the conversion equations, the same vertebral ...
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Dose Exposure of Patients Undergoing Comprehensive Stroke Imaging by Multidetector Row CT: Comparison of 320 Detector Row and 64 Detector Row CT Scanners
... 64-detector row CT), 14.9 mGy (CTA, 64-detector row CT), ...detector row CT), and ...320-detector row CT scan- ner of 140 mGy without and 65 mGy with lens ...
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Detection and Characterization of Intracranial Aneurysms with 16 Channel Multidetector Row CT Angiography: A Prospective Comparison of Volume Rendered Images and Digital Subtraction Angiography
... In this study, accurate measurement of aneurysm dimen- sion was not possible at DSA because the magnification factor was not calculated. On the other hand, MDCTA enabled dig- ital measurements of aneurysm dimensions in ...
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Carotid Plaque Enhancement and Symptom Correlations: An Evaluation by Using Multidetector Row CT Angiography
... tient with a TIA or stroke. TIA was regarded as a brief ( ⬍ 24 hours) episode of neurologic dysfunction, such as hemiparesis, hemipares- thesia, dysarthria, dysphasia, or monocular blindness. If the episode of neurologic ...
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Subsequent Fracture after Percutaneous Vertebroplasty Can Be Predicted on Preoperative Multidetector Row CT
... of CT value of vertebrae. Quantification of BMD on CT should be favorable; however, a clinical study showed usefulness of CT attenuation measurement as an in- dicator for bone mineral ...
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Diagnostic Value of Multidetector Row CT Angiography in the Evaluation of Thrombosis of the Cerebral Venous Sinuses
... unenhanced CT scan might help to improve the detection rate of parenchymal changes, though parenchymal changes are seen more readily on MR imaging than on ...
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Role of Multidetector CT in Evaluation of Polytrauma Patients
... whole-body CT was a significant independent predictor for survival. New CT scanners can also decrease the radiation dose [13] but there is conflicting concern of the induced cancer rate and hence the ...
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Role of Multidetector CT in Staging of Gastric Carcinoma
... on CT scan can’t be detected as there was only 1 case pathologically proved T1 and overstaged as T2 by MSCT, however, accuracy and specificity are quite high, they were 95% and 100% respectively For T2 stage ...
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Fluctuant tonus of the coronary arteries possibly documented by repeated multidetector row computed tomography
... Methods: The study population consisted of 39 consecutive patients who underwent MDCT twice in our institution with 64-row dual-source MDCT. Measurements were performed with stretched multiplanar reconstruction ...
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