Anomaly of the portal vein with total ramification of the intrahepatic portal branches from the right umbilical portion: CT features.

abstract：:The authors present findings from a scientific study in a 36-year-old male patient who was transferred for the evaluation of a restenosis in aortic coarctation that was initially treated by surgical repair. Contrast-enhanced magnetic resonance angiography and comprehensive flow-sensitive 4-dimensional magnetic resonan...

journal_title：Journal of computer assisted tomography

authors： Markl M,Arnold R,Hirtler D,von Zur Muhlen C,Harloff A,Langer M,Hennig J,Frydrychowicz A

更新日期：2009-09-01 00:00:00

abstract：:Renal cell carcinoma has a propensity to extend as tumor thrombus into the renal vein and inferior vena cava (IVC). The preoperative assessment for the presence and extent of renal vein and IVC tumor thrombus is important for planning appropriate surgical resection. Imaging procedures [CT, ultrasound (US), MR, venacav...

journal_title：Journal of computer assisted tomography

authors： Kallman DA,King BF,Hattery RR,Charboneau JW,Ehman RL,Guthman DA,Blute ML

更新日期：1992-03-01 00:00:00

abstract：OBJECTIVE:Differentiation of invasive thymoma from thymic carcinoma is important because of their different clinical behaviors. Retrospectively, we evaluated the CT findings of invasive thymomas and thymic carcinomas to determine the differential points between them. MATERIALS AND METHODS:We reviewed the CT scans of 1...

journal_title：Journal of computer assisted tomography

authors： Do YS,Im JG,Lee BH,Kim KH,Oh YW,Chin SY,Zo JI,Jang JJ

更新日期：1995-03-01 00:00:00

abstract：OBJECTIVE:This study aimed to assess the prevalence and etiologies of focal liver opacification (FLO) in the setting of superior vena cava (SVC) obstruction. METHODS:An archival search using key words to identify patients with SVC obstruction or severe narrowing and who had computed tomographic scans with intravenous ...

journal_title：Journal of computer assisted tomography

authors： Siegel Y,Schallert E

更新日期：2013-09-01 00:00:00

abstract：:A new 6 mm collimator for the EMI CT5000/5005 scanner is described. It consists of a narrower tube side and detector side collimator that can be set up in less than 5 min. The applications are primarily for the orbit and parasellar area. Future applications with the aid of new software include coronal reconstruction. ...

journal_title：Journal of computer assisted tomography

authors： Baldwin GN,Sorenson JA,Wolfley D,Canestrini R,Pritchard MJ

更新日期：1978-07-01 00:00:00

abstract：:Pulmonary vein stenosis is one of the frequent complications after radiofrequency ablation for atrial fibrillation. MRI plays an important role in depicting the pathoanatomic structure of the pulmonary veins, and measuring the blood flow velocity in the pulmonary veins before and after therapy, and is superior to tran...

journal_title：Journal of computer assisted tomography

authors： Yang M,Akbari H,Reddy GP,Higgins CB

更新日期：2001-01-01 00:00:00

abstract：PURPOSE:A new nonrigid registration method, designed to reduce the effect of movement artifact in subtraction images from breast MR, is compared with existing rigid and affine registration methods. METHOD:Nonrigid registration was compared with rigid and affine registration methods and unregistered images using 54 gad...

journal_title：Journal of computer assisted tomography

authors： Denton ER,Sonoda LI,Rueckert D,Rankin SC,Hayes C,Leach MO,Hill DL,Hawkes DJ

更新日期：1999-09-01 00:00:00

abstract：PURPOSE:Our goal was to evaluate the visibility and incidence of traumatic abnormalities of the sinus tarsi in patients with acute ankle sprain injuries and compare these findings with the extent of lateral ankle ligament injuries on MRI. METHOD:Sixty athletically active patients (aged 18-45 years) with recent inversi...

journal_title：Journal of computer assisted tomography

authors： Breitenseher MJ,Haller J,Kukla C,Gaebler C,Kaider A,Fleischmann D,Helbich T,Trattnig S

更新日期：1997-03-01 00:00:00

abstract：:We present two cases demonstrating, on CT examination, heavily calcified mass lesions associated with malignant pleural mesothelioma in workers occupationally exposed to asbestos. These masses proved to be osteogenic sarcomatous degeneration within mesotheliomas. The observation of dense calcification within a pleural...

journal_title：Journal of computer assisted tomography

authors： Raizon A,Schwartz A,Hix W,Rockoff SD

更新日期：1996-01-01 00:00:00

abstract：:Two cases of necrotizing herpes simplex encephalitis (HSE) were investigated with 99mTc-hexamethylpropyleneamineoxime (HMPAO) SPECT and MR. The clinical course was compared with the neuroimaging results. In the acute stage, the increased HMPAO uptake matched the MR hyperintense signal in the limbic temporal lobe and i...

journal_title：Journal of computer assisted tomography

authors： Schmidbauer M,Podreka I,Wimberger D,Oder W,Koch G,Wenger S,Goldenberg G,Asenbaum S,Deecke L

更新日期：1991-09-01 00:00:00

abstract：PURPOSE:The purpose of this work was to assess whether easily obtained clinical parameters can predict optimal scan delay for contrast-enhanced spiral CT of pulmonary arteries and to compare image quality between individualized contrast timing versus a fixed scan delay. METHOD:We used an individualized delay in 85 pat...

journal_title：Journal of computer assisted tomography

authors： Hartmann IJ,Lo RT,Bakker J,de Monyé W,van Waes PF,Pattynama PM

更新日期：2002-01-01 00:00:00

abstract：OBJECTIVE:Our objective was to determine and report the CT findings in patients with diffuse pulmonary lymphangiomatosis (DPL). MATERIALS AND METHODS:We retrospectively reviewed the CT findings in eight patients with pathologically proven DPL. The patients ranged in age from 3 to 35 years (mean 15 years) and included ...

journal_title：Journal of computer assisted tomography

authors： Swensen SJ,Hartman TE,Mayo JR,Colby TV,Tazelaar HD,Müller NL

更新日期：1995-05-01 00:00:00

abstract：:Hepatocellular carcinoma and cholangiocarcinoma are the most common primary liver malignancies in adults (comprising >85%); however, liver is also host to some unusual primary malignant tumors. Some of these tumors show distinct demographic, clinicopathologic, and imaging features. Imaging features of these uncommon p...

journal_title：Journal of computer assisted tomography

authors： Sunnapwar A,Katre R,Policarpio-Nicolas M,Katabathina V,Erian M

更新日期：2016-05-01 00:00:00

abstract：OBJECTIVE:This study is motivated by the possibility of using computed tomography (CT) to detect early coronary atherosclerosis by the increased CT values within the arterial wall resulting from vasa vasorum proliferation. METHODS:Coronary arteries (n = 5) with early atherosclerotic changes were injected with Microfil...

journal_title：Journal of computer assisted tomography

authors： Moritz R,Eaker DR,Langheinrich AC,Jorgensen SM,Bohle RM,Ritman EL

更新日期：2010-03-01 00:00:00

abstract：:Computed tomography (CT) findings in hydatid disease (echinococciasis) of the liver are described. Disease was caused by Echinococcus granulosus (n = 8) or E. alveolaris (n = 5), respectively. The CT appearance of these two types of echinococciasis is quite different; in disease caused by E. granulosus the CT appearan...

journal_title：Journal of computer assisted tomography

authors： Scherer U,Weinzierl M,Sturm R,Schildberg FW,Zrenner M,Lissner J

更新日期：1978-11-01 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：OBJECTIVE:To investigate the diagnostic efficacy of sequentially acquired gadobenete dimeglumine-enhanced 3-dimensional dynamic magnetic resonance imaging (MRI) and Resovist-enhanced MRI for detecting hepatocellular carcinoma (HCC) by comparing with combined computed tomography (CT) hepatic arteriography (CTHA) and CT ...

journal_title：Journal of computer assisted tomography

authors： Kim YK,Kwak HS,Han YM,Kim CS

更新日期：2007-09-01 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：OBJECTIVE:The objective of this study was to study the role of multidetector computed tomography (MDCT) in the analysis of foreign objects found within or on the royal Egyptian mummies. METHODS:We studied MDCT images of 15 royal Egyptian mummies (1493-1156 BC) for the presence of foreign objects. We studied each found...

journal_title：Journal of computer assisted tomography

authors： Saleem SN,Hawass Z

更新日期：2014-03-01 00:00:00

abstract：:Effects of inaccurate attenuation correction on quantitation in positron emission computed tomography were investigated by both computer simulation and theoretical analysis, followed by experimental verification with phantom measurements. It was found that, due to the finite width of detector responses, compensation o...

journal_title：Journal of computer assisted tomography

authors： Huang SC,Hoffman EJ,Phelps ME,Kuhl DE

更新日期：1979-12-01 00:00:00

abstract：:Congenital alimentary duplications occur most commonly in relation to the ileum and are rare in the region of the stomach. A case of gastric duplication presenting in an adult and visualized on computed tomography is reported. ...

journal_title：Journal of computer assisted tomography

authors： Lo J,Sage MR,Paterson HS,Hamilton DW

更新日期：1983-04-01 00:00:00

abstract：PURPOSE:Typically, the final step in volume registration is the reslicing of the volume of interest. The purpose of this work is to examine the effects of this reslicing on functional MRI (fMRI) data using different interpolation methods. METHOD:Functional whole-brain echo planar imaging (EPI) volumes were resliced us...

journal_title：Journal of computer assisted tomography

authors： Ostuni JL,Santha AK,Mattay VS,Weinberger DR,Levin RL,Frank JA

更新日期：1997-09-01 00:00:00

abstract：:A magnetic resonance imaging technique is discussed which, by cyclic inversion of the longitudinal magnetization, produces boli of moving material with alternating sign of the magnetization. At periodic spacings along the flow direction, the signal strength from magnetization of positive sign is equal to that of negat...

journal_title：Journal of computer assisted tomography

authors： Saloner D,Hinson WH,Moran PR,Tsui BM

更新日期：1988-01-01 00:00:00

abstract：PURPOSE:The aim of this study was to evaluate the exclusive performance of quality-assured high-resolution breast magnetic resonance imaging (MRI) for early detection of breast cancer in a population of asymptomatic women. MATERIALS AND METHODS:A total of 1189 MRI examinations performed in 789 asymptomatic women (mean...

journal_title：Journal of computer assisted tomography

authors： Fischer U,Luftner-Nagel S,Baum F,Marten-Engelke K,Wienbeck S

更新日期：2018-01-01 00:00:00

abstract：:The value of the angio-computed tomography technique for evaluating communication between cardiac cavities of the two hearts in conjoined twins is reported. After injecting contrast medium into the peripheral vein of one of the twins, the increase in density values of the heart in the other twin suggested shunting bet...

journal_title：Journal of computer assisted tomography

authors： Rossi P,Cozzi F,Iannaccone G

更新日期：1981-08-01 00:00:00

abstract：:We present a hemorrhagic adrenal adenoma surrounding and encompassing adjacent retroperitoneal fat to simulate the appearance of a myelolipoma by CT. A well-defined fibrous capsule, punctate calcification, and several macroscopic foci of fat within the mass led to an erroneous preoperative diagnosis. Lesions displayin...

journal_title：Journal of computer assisted tomography

authors： Rhodes RE,Gaede JT,Meyer GA

更新日期：1992-03-01 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:To evaluate the agreement and correlation between attenuation values and vascular calcification volume for intra-abdominal structures from true noncontrast (TNC) images and those from virtual noncontrast (VNC) images obtained by dual-source dual-energy computed tomography (CT) using a quadriphasic dynamic proto...

journal_title：Journal of computer assisted tomography

authors： Kim S,Kang BS,Kwon WJ,Bang M,Lim S,Park GM,Lee TY

更新日期：2020-07-01 00:00:00

abstract：:To evaluate the ability of gradient echo MR to define the vacuum phenomena, 14 cadaveric lumbar spines were imaged by spin echo and gradient echo MR, CT, and plain radiography following injection of varying amounts of air into the intervertebral disks. Gradient echo MR was more sensitive than spin echo MR or plain rad...

journal_title：Journal of computer assisted tomography

authors： Berns DH,Ross JS,Kormos D,Modic MT

更新日期：1991-03-01 00:00:00

abstract：OBJECTIVE:To compare the diagnostic performance of adaptive statistical iterative reconstruction applied low-dose computed tomography (CT) (LDCT) with that of the standard-dose CT (SDCT) for local recurrence in patients with stomach cancer. METHODS:Seventy-nine consecutive patients who had undergone surgical resection...

journal_title：Journal of computer assisted tomography

authors： Shim HS,Kim SH,Yoon JH,Lim YJ,Kim OH,Ryu JH,Eun CK

更新日期：2014-05-01 00:00:00