Disease relevance of Tomography, Spiral Computed

• These findings suggest that helical CT is superior in delineating early HCC, whereas Lipiodol CT is specific to the detection of intrahepatic metastases [1].
• Hepatocellular carcinoma: role of unenhanced and delayed phase multi-detector row helical CT in patients with cirrhosis [2].
• MATERIALS AND METHODS: Helical CT of the liver was performed in 45 patients with newly diagnosed HCC or peripheral cholangiocarcinoma [3].
• Gadolinium-based contrast media for multi-detector row spiral CT pulmonary angiography in patients with renal insufficiency [4].
• Focal lesions with typical features of hemangioma were evaluated with confirmatory findings of contrast material-enhanced dynamic or spiral computed tomography (CT) and/or single photon emission CT with technetium 99m-labeled red blood cells and, in the absence of confirmatory imaging findings, US-guided fine-needle biopsy [5].

High impact information on Tomography, Spiral Computed

• In conclusion, MRA has a high diagnostic accuracy for HCC > or =10 mm and is more sensitive than triphasic helical CT in nodules sized 10 to 20 mm [6].
• All patients underwent a spiral computed tomography (CT) scan, 99mTc-HYNIC annexin V tomography, and subsequent surgical resection of the suspected primary or recurrent tumor [7].
• AIM: To compare the performance of spiral CT and operative assessment against formal (TNM) pathological staging [8].
• We investigated the relationship between airway wall thickness as assessed by helical computed tomography and two components of airway responsiveness, airway sensitivity and reactivity, in patients with stable asthma with (n = 23) and without (n = 22) inhaled steroid treatment [9].
• Follow-up ranged from 3 to 78 months (mean, 24 months +/- 21) and included measurement of alpha-fetoprotein level, ultrasonography at 3-month intervals, and spiral computed tomography at 6-month intervals [10].

Chemical compound and disease context of Tomography, Spiral Computed

• PURPOSE: To compare image quality on transverse source images and coronal and sagittal reformations to determine the feasibility of using single-breath-hold three-dimensional liver computed tomography (CT) with multi-detector row helical CT in patients suspected of having hepatic metastases [11].
• We prospectively evaluated the role of 3-D volume rendering CT in 60 patients undergoing nephron sparing surgery for renal cell carcinoma at the Cleveland Clinic Foundation. MATERIALS AND METHODS: Triphasic spiral CT was performed preoperatively in 60 consecutive patients undergoing nephron sparing surgery for renal neoplasms [12].
• We studied a cohort of FH patients to compare four diagnostic models of CHD: traditional risk factors of CHD (age, sex, cholesterol, hypertension, smoking and body mass index), cholesterol year score, and aortic as well as coronary calcium measured by spiral computed tomography (CT) [13].
• We investigated the usefulness of spiral computed tomography (CT) and magnetic resonance angiography as postoperative control examinations after cerebral aneurysms were clipped with titanium clips [14].
• Transesophageal echocardiography and contrast-enhanced spiral CT of the chest helped to avoid a pulmonary angiography in an elderly patient with saddle pulmonary thromboembolism and allowed for direct evaluation of its resolution during treatment with subcutaneous low molecular weight heparin [15].

Biological context of Tomography, Spiral Computed

• Salivary pharmacokinetics of oral antipyrine (1200 mg) and 24 h creatinine clearance were determined following the determination of LBM by dual energy X-ray absorptiometry and the determination of liver and kidney volumes by helical CT scanning [16].
• The patients received standard polyethylene glycol bowel preparation and were scanned in the prone and supine positions using a helical CT scanner and commercially available software for image analysis [17].
• These changes in intranodular blood supply create different enhancement patterns in the two phases of liver circulation after an intravenous contrast injection on multi-phase helical CT or dynamic gadolinium-enhanced MRI [18].
• Discovery by spiral computed tomography advances, teleconsultation emerges and shot-gun therapy with potassium-magnesium citrate succeeds [19].
• Clinical evaluation of the course of blood pressure, serum creatinine, Doppler ultrasound evaluation and multi-slice spiral-CT angiography were performed at follow-up [20].

Anatomical context of Tomography, Spiral Computed

• Among 50 patients referred for helical computed tomography (CT) of the pancreas, 24 randomly selected patients received 40 mg of hyoscyamine butylbromide to evaluate whether its administration improved image quality and diagnostic findings [21].
• RESULTS: Renal transplantation was successful, and helical computed tomography demonstrated patent graft bypass and good nephrographic effects of the renal artery [22].
• RESULTS: Helical CT cholangiography revealed good opacification of the biliary tree in 13 of 14 patients with serum bilirubin levels less than 2 mg/dL (34 mumol/L) and poor opacification in three of four patients with levels greater than 2 mg/dL [23].
• Changes in contrast enhancement of hepatocellular carcinoma and liver: effect of temporary occlusion of a hepatic vein evaluated with spiral CT [24].
• Conclusions: Our study demonstrated a strong association of CC and calcification of the thoracic aorta on spiral CT [25].

Associations of Tomography, Spiral Computed with chemical compounds

• Petrosal bone: coronal reconstructions from axial spiral CT data obtained with 0.5-mm collimation can replace direct coronal sequential CT scans [26].
• All patients underwent monoor multi-slice spiral CT and MRA with gadolinium injection (both within 24 hours of entry to the study) [27].
• PURPOSE: To evaluate whether mangafodipir trisodium (Mn-DPDP)-enhanced magnetic resonance (MR) imaging surpasses dual-phase spiral computed tomography (CT) in differentiating focal liver lesions [28].
• MATERIALS AND METHODS: One hundred two patients (64 men, 38 women) with neoplastic (n = 85) and nonneoplastic focal lesions (n = 17) were prospectively assigned to biphasic injection group A or B and received 180 mL of iopromide containing 370 or 300 mg of iodine per milliliter, respectively, during spiral CT [29].
• MATERIALS AND METHODS: Hepatic helical CT was performed in 250 consecutive patients with computer-assisted bolus-tracking technology after either mechanical injection at 3 mL/sec (n = 177) or manual injection (n = 73) of 150 mL of iopamidol [30].

Gene context of Tomography, Spiral Computed

• We describe a case of pancreatic cancer in which the spread pattern of injectate during neurolytic celiac plexus block was evaluated by three-dimensional helical computed tomography [31].
• OBJECTIVE: To evaluate the role of multiphasic helical computed tomography (CT) in planning surgical treatment for pelvi-ureteric junction obstruction (PUJO) [32].
• CONCLUSIONS: Low- and standard-dose spiral CT provides similar lung density data in COPD [33].
• Correlation of VEGF with contrast enhancement on dual-phase dynamic helical CT in liver tumors: preliminary study [34].
• BACKGROUND: The aim of this retrospective study is to assess the accuracy of single slice helical CT scan with intravenous, and rectal contrast (CTRC) in the diagnosis of acute appendicitis (AA) in patients with suspected AA, with particular analysis of the diagnostic signs [35].

Analytical, diagnostic and therapeutic context of Tomography, Spiral Computed

• CONCLUSIONS: Perfusional sonography shows good diagnostic agreement with spiral CT in hypervascular HCC and may be proposed for the immediate vascular characterization of nodules detected at US and used as second imaging technique to confirm hypervascularity in cirrhotic nodules [36].
• PURPOSE: To evaluate pulmonary dynamic densitometry (PDD) by means of spiral computed tomography (CT) for detection of ventilation abnormalities in obstructive airways disorders compared with dynamic xenon-133 single photon emission CT [37].
• Staging of digestive endocrine tumours using helical computed tomography and somatostatin receptor scintigraphy [38].
• Since rough cystine stones have been reported to be susceptible to shock wave lithotripsy, the identification of this morphology of cystine stones in the patient using attenuation values and appearance on helical CT could be valuable for planning treatment [39].
• METHODS: Measurements of the jugular foramina were obtained from reformatted helical CT scans obtained in 12 children with complex or syndromic craniosynostosis and raised ICP (group 1) and in two control groups of children with normal ICP [40].

References