Contrast-enhanced spiral CT of the liver: effect of injection time on time to peak hepatic enhancement.

abstract：:The case of a 75-year-old man with a history of lymphoma, recent upper respiratory tract infection, and a protracted course of encephalopathy is presented. Radiologically, findings were consistent with posterior reversible encephalopathy syndrome. A brain biopsy revealed evidence of endothelial activation, T-cell traf...

journal_title：Journal of computer assisted tomography

authors： Kofler J,Bartynski WS,Reynolds TQ,Lieberman FS,Murdoch GH,Hamilton RL

更新日期：2011-01-01 00:00:00

abstract：:In children it is often necessary to ligate the splenic artery and the main collateral supply to the spleen during liver transplantation. The complication of splenic infarction has been observed on postoperative CT in such patients. The purpose of our study was to determine the incidence and CT appearance of splenic i...

journal_title：Journal of computer assisted tomography

authors： Lehar SC,Zajko AB,Koneru B,Stevenson W,Sumkin J

更新日期：1990-05-01 00:00:00

abstract：:Renal imaging remains a critical tool to differentiate and manage benign from malignant renal disorders. Conventional multidetector computed tomography (CT) and magnetic resonance (MR) provide great anatomical details, although lack functional information and specificity. The lack of resolution undermines the function...

journal_title：Journal of computer assisted tomography

authors： Ganeshan D,Notohamiprodjo M,Nikolaidis P,Sanyal R,Bhosale P

更新日期：2013-11-01 00:00:00

abstract：:Collagen vascular disease (CVD) can cause a variety of lung abnormalities, including usual interstitial pneumonia, nonspecific interstitial pneumonia, organizing pneumonia, diffuse alveolar damage, lymphoid interstitial pneumonia, bronchiectasis, constrictive bronchiolitis, follicular bronchiolitis, alveolar hemorrhag...

journal_title：Journal of computer assisted tomography

authors： Tanaka N,Newell JD,Brown KK,Cool CD,Lynch DA

更新日期：2004-05-01 00:00:00

abstract：:This is the third of a series of 4 white papers that represent Expert Consensus Documents developed by the Society of Computed Body Tomography and Magnetic Resonance through its Task Force on dual-energy computed tomography. This paper, part 3, describes computed tomography angiography and thoracic, cardiac, vascular,...

journal_title：Journal of computer assisted tomography

authors： De Cecco CN,Schoepf UJ,Steinbach L,Boll DT,Foley WD,Kaza RK,Bolus DN,Morgan DE,Sahani DV,Shuman WP,Siegel MJ,Vrtiska TJ,Yeh BM,Berland LL

更新日期：2017-01-01 00:00:00

abstract：PURPOSE:The graphical approach is widely used for the pixelwise determination of local metabolic rate of glucose from dynamic positron emission tomography (PET) data. In its conventional implementation, measured integrals over time frames are used to approximate instantaneous tracer concentrations at midframe times ("m...

journal_title：Journal of computer assisted tomography

authors： Buchert R,van den Hoff J,Mester J

更新日期：2003-07-01 00:00:00

abstract：PURPOSE:Our goal was to examine the effects of collimation width (CW), pitch, viewing plane, and windowing on the display of in-plane vessels in maximum intensity projection (MIP). METHOD:A theoretical concept based on partial volume averaging of vessels was developed to describe the contents of voxels (densities) in ...

journal_title：Journal of computer assisted tomography

authors： Diederichs CG,Keating DP,Glatting G,Oestmann JW

更新日期：1996-11-01 00:00:00

abstract：OBJECTIVE:The objective of this study was to compare the accuracy of 320-row computed tomography angiography (CTA) with conventional coronary angiography. METHODS:Two hundred seventy-four patients with coronary artery disease who received both invasive coronary angiography and 320-row CTA were included. Stenosis of 50...

journal_title：Journal of computer assisted tomography

authors： Yang QH,Chen YJ,Liu QQ,Dong M,Wen L,Song X,Lv YJ,Gong YZ,Li XQ

更新日期：2012-11-01 00:00:00

abstract：:Clinical evaluation of neuromuscular disorders typically consists of obtaining a detailed clinical history, physical examination, and electrophysiologic examinations. Electrodiagnostic examinations significantly aid in distinguishing between myopathy, neuropathy, and neuromuscular disorders. Electrodiagnostic examinat...

journal_title：Journal of computer assisted tomography

authors： Elsayes KM,Shariff A,Staveteig PT,Mukundan G,Khosla A,Rubin DA

更新日期：2005-05-01 00:00:00

abstract：OBJECTIVE:To describe the thin-section computed tomography (CT) findings of Sjogren syndrome accompanying pulmonary amyloidosis and lymphoproliferative disease and to compare these with histopathologic findings. SUBJECTS AND METHODS:The thin-section CT findings of 5 women (age range: 42-59 years, mean age=50 years) wi...

journal_title：Journal of computer assisted tomography

authors： Jeong YJ,Lee KS,Chung MP,Han J,Chung MJ,Kim KI,Seo JB,Franquet T

更新日期：2004-11-01 00:00:00

abstract：OBJECTIVE:This study was aimed to evaluate the accuracy of "True Fast Imaging with Steady-State Precession" (TrueFISP) MR angiography (MRA) for diagnosis of renal arterial stenosis (RAS) in hypertensive patients. METHODS:Twenty-two patients underwent both TrueFISP MRA and contrast-enhanced MRA (CE-MRA) on a 1.5-T MR i...

journal_title：Journal of computer assisted tomography

authors： Zhang W,Lin J,Wang S,Lv P,Wang L,Liu H,Chen C,Zeng M

更新日期：2014-09-01 00:00:00

abstract：:The CT appearance of hemiazygos continuation of a left-sided inferior vena cava is presented along with discussion of associated anomalies. ...

journal_title：Journal of computer assisted tomography

authors： Munechika H,Cohan RH,Baker ME,Cooper CJ,Dunnick NR

更新日期：1988-03-01 00:00:00

abstract：PURPOSE:An approach for quantifying the shapes of the cerebral sulci is presented, utilizing a probabilistic geometric model, and it is applied to the central sulcus. METHOD:The geometric structure of the central sulcus is determined from a set of outlines on cross-sectional images and is used by a procedure that auto...

journal_title：Journal of computer assisted tomography

authors： Manceaux-Demiau A,Bryan RN,Davatzikos C

更新日期：1998-11-01 00:00:00

abstract：:Kinetic analysis of 18F-labeled 2-fluoro-2-deoxy-D-glucose (2FDG) has been carried out in 28 studies on 25 subjects. The object of the analysis was to determine the practical problems of quantitation of glucose metabolic rate (GMR) using the Sokoloff model with 2FDG. We found that arterial and venous plasma concentrat...

journal_title：Journal of computer assisted tomography

authors： Brownell GL,Kearfott KJ,Kairento AL,Elmaleh DR,Alpert NM,Correia JA,Wechsler L,Ackerman RH

更新日期：1983-10-01 00:00:00

abstract：:The CT findings of multiple lipid-containing dermal cysts in a patient with steatocystoma multiplex are presented. The characteristic locations, shapes, and densities of the cysts in this rare skin disorder are discussed. ...

journal_title：Journal of computer assisted tomography

authors： Sonnenblick EB,Buchness MR,Austin JH

更新日期：1986-03-01 00:00:00

abstract：OBJECTIVES:To retrospectively determine, by using multislice computed tomography (MSCT), whether additional interpretation of sliding-thin-slab maximum-intensity projection (MIP) reformation images improve diagnostic accuracy when compared with the diagnostic interpretation of conventional sliding-thin-slab multiplanar...

journal_title：Journal of computer assisted tomography

authors： Bin Z,Jingzhen H,Daocai W,Kai L,Cheng L

更新日期：2008-11-01 00:00:00

abstract：OBJECTIVE:Our goal was to evaluate the role of Gd-enhanced MR in the diagnosis and surgical planning of intraventricular cysticercosis cysts. MATERIALS AND METHODS:Thirty-three patients with intraventricular cysticercosis were evaluated with Gd-enhanced MRI including follow-up studies ranging over time periods from 6 ...

journal_title：Journal of computer assisted tomography

authors： Zee CS,Segall HD,Destian S,Ahmadi J,Apuzzo ML

更新日期：1993-11-01 00:00:00

abstract：OBJECTIVES:This article describes magnetic resonance imaging (MRI) findings in 3 cases of atypical polypoid adenomyoma (APAM). METHODS:Clinical and MRI manifestations of 3 patients with APAM were evaluated. High b value diffusion-weighted and dynamic contrast-enhanced images were performed. The size, shape, site of or...

journal_title：Journal of computer assisted tomography

authors： Nakai G,Kitano R,Yamamoto K,Higashiyama A,Juri H,Tsuboyama T,Yamamoto K,Yamada T,Hirose Y,Ohmichi M,Narumi Y

更新日期：2015-01-01 00:00:00

abstract：:The authors describe a technique for automated analysis of lesions demonstrated by computed tomography. A seed circle may be superimposed on a lesion by an operator controlled program. By selecting density limits, the program will then automatically outline a particular area of abnormal density and calculate the stati...

journal_title：Journal of computer assisted tomography

authors： Hand WM,Wilk J,Huckman MS

更新日期：1977-07-01 00:00:00

abstract：:Computed tomography scans of the larynx were obtained during quiet breathing and during phonation in 10 volunteers having no neck or larynx abnormalities. The subglottic and glottic laryngeal cavity and soft tissues showed symmetry from side to side. At the supraglottic level, the pliable aryepiglottic folds and pyrif...

journal_title：Journal of computer assisted tomography

authors： Gamsu G,Mark AS,Webb WR

更新日期：1981-06-01 00:00:00

abstract：:Most renal metastases are asymptomatic, occur with widespread metastatic disease, and are too small to be detected with computed tomography (CT). Rarely they form large masses. These are typically angiographically hypovascular and show only minimal CT contrast enhancement. Renal carcinoma as a second primary malignanc...

journal_title：Journal of computer assisted tomography

authors： Pagani JJ

更新日期：1983-06-01 00:00:00

abstract：OBJECTIVE:There is an ongoing debate about how to handle incidental findings (IF) detected in healthy individuals who participate in research-driven magnetic resonance imaging (MRI) studies. There are currently no established guidelines regarding their management. METHODS:We prospectively assessed the frequency of IF ...

journal_title：Journal of computer assisted tomography

authors： Hartwigsen G,Siebner HR,Deuschl G,Jansen O,Ulmer S

更新日期：2010-07-01 00:00:00

abstract：OBJECTIVE:We describe a manual segmentation and image fusion method to assess the relationship between liver tumors and the radiofrequency ablation zone depicted on cross-sectional imaging. CONCLUSIONS:Manual fusion of segmented images of hepatic tumors from a preprocedural scan with the ablation zone depicted on the ...

journal_title：Journal of computer assisted tomography

authors： Iyer RS,Timm BA,Mitsumori LM,Kolokythas O

更新日期：2010-03-01 00:00:00

abstract：:A case of simultaneous renal vein thrombosis and bilateral adrenal hemorrhage is presented, demonstrating the ability of magnetic resonance (MR) imaging to identify these abnormalities without the use of intravenous contrast agents or radiopharmaceuticals. Adrenal hemorrhage appeared as markedly enlarged adrenal gland...

journal_title：Journal of computer assisted tomography

authors： Koch KJ,Cory DA

更新日期：1986-07-01 00:00:00

abstract：BACKGROUND:The state-of-art motion correction algorithm is inadequate for correcting motion artifacts in coronary arteries in cardiovascular computed tomography angiography (CCTA) for children with high heart rates, and even less effective for heart structures beyond coronary arteries. PURPOSE:This study aimed to eval...

journal_title：Journal of computer assisted tomography

authors： Sun J,Okerlund D,Cao Y,Li H,Zhu Y,Li J,Peng Y

更新日期：2020-09-01 00:00:00

abstract：OBJECTIVES:To characterize diffusion tensor imaging (DTI) tensor eigenvalues (λ1, λ2, λ3), fractional anisotropy, mean diffusivity, and radial diffusivity in healthy lumbar musculature. METHODS:Seventeen healthy subjects (10 men, 7 women; mean age, 28 ± 7 years) were scanned using a 3.0-T magnetic resonance imaging. A...

journal_title：Journal of computer assisted tomography

authors： Jones GE,Kumbhare DA,Harish S,Noseworthy MD

更新日期：2013-01-01 00:00:00

abstract：:A case of isolated spinal cord hemangioblastoma with associated extensive syringohydromyelia, which was evaluated by myelography, postmyelographic CT, magnetic resonance (MR), and angiography is presented. The specific preoperative and postoperative advantages of MR are given as well as a brief review of the literatur...

journal_title：Journal of computer assisted tomography

authors： Kaffenberger DA,Shah CP,Murtagh FR,Wilson C,Silbiger ML

更新日期：1988-05-01 00:00:00

abstract：PURPOSE:To evaluate the usefulness of CT in the differentiation of ruptured endometrial cysts and corpus luteal cysts. METHODS:Sixteen patients (mean age, 26 years) with a surgically proven ruptured endometrial cyst and 19 patients (mean age, 28 years) with a surgically proven corpus luteal cyst were included in this ...

journal_title：Journal of computer assisted tomography

authors： Choi NJ,Rha SE,Jung SE,Choi BG,Oh SN,Byun JY,Kim MR

更新日期：2011-07-01 00:00:00

abstract：:A hepatic specific contrast agent was used in an attempt to detect a biopsy-proven hepatoma. This lesion had been missed by routine computed tomography and was poorly detected with the hepatic specific contrast agent EOE 13. It was also poorly detected by technetium-sulfur colloid hepatic scintigraphy. The true extent...

journal_title：Journal of computer assisted tomography

authors： Witrak BJ,Bernardino ME

更新日期：1983-10-01 00:00:00

abstract：PURPOSE:The purpose of this study was to compare quantitative and qualitative measures of aortic, cardiac, and respiratory motion artifact between high-pitch dual-source (DS) and single-source (SS) computed tomography pulmonary angiography (CTPA) protocols. METHODS:This institutional review board-approved, Health Insu...

journal_title：Journal of computer assisted tomography

authors： Bunch PM,Fulwadhva UP,Wortman JR,Primak AN,Madan R,Steigner ML,Sodickson AD

更新日期：2018-07-01 00:00:00