Liver computed tomography with low tube voltage and model-based iterative reconstruction algorithm for hepatic vessel evaluation in living liver donor candidates.

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 effect of hemodialysis on the CT absorption value of the liver was examined in 14 hemodialysis patients. In the high ultrafiltration group [10 patients with a weight loss of -1.7 to -3.5 (2.9 +/- 0.6) kg], the hepatic CT absorption value increased from 49.6 +/- 7.0 to 58.7 +/- 8.7 Hounsfield units (p less than 0.0...

journal_title：Journal of computer assisted tomography

authors： Ishikawa I,Tateishi K,Shinoda A,Onouchi Z,Saito Y,Asato T

更新日期：1984-08-01 00:00:00

abstract：PURPOSE:The purpose of this study was to investigate the noninvasive quantification of coronary artery stenosis using cardiac software packages and vessel phantoms with known stenosis severity. MATERIALS AND METHODS:Four different sizes of vessel phantoms were filled with contrast agent and scanned on a 64-slice multi...

journal_title：Journal of computer assisted tomography

authors： Dikkers R,Willems TP,de Jonge GJ,Marquering HA,Greuter MJ,van Ooijen PM,van der Weide MC,Oudkerk M

更新日期：2009-07-01 00:00:00

abstract：:An unusual computed tomography finding, the "target sign," is demonstrated in a patient with a corpus callosum tumor mass extending to the right lateral ventricle. The central low attenuation of the "target" is produced by the isolated part of the dilated lateral ventricle surrounded by tumor tissue, the dense area of...

journal_title：Journal of computer assisted tomography

authors： El Gammal T,McDaniel FE

更新日期：1979-08-01 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：: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 evaluate the effect of gadolinium ethoxybenzyl diethylenetriaminepentaacetic acid (Gd-EOB-DTPA) on T2-weighted magnetic resonance imaging of liver parenchyma. METHODS:Forty-six patients with suspected hepatic tumors (group 1) underwent breath-hold T2-weighted fast spin echo imaging before and after 4 minu...

journal_title：Journal of computer assisted tomography

authors： Tamada T,Ito K,Yoshida K,Sone T,Murakami K,Kanki A,Watanabe S,Higashi H,Yamashita T

更新日期：2010-03-01 00:00:00

abstract：:In a consecutive group of 1,067 noncholecystectomized patients referred for computed tomography including the upper abdomen, gallstones were seen in 13%. In 4% of the patients with gallstones, gas-containing calculi were found. On reviewing the conventional plain films such stones were revealed in less than one-half o...

journal_title：Journal of computer assisted tomography

authors： Fork FT,Nyman U,Sigurjonsson S

更新日期：1983-10-01 00:00:00

abstract：:The typical CT findings of Lhermitte-Duclos disease (dysplastic gangliocytoma of the cerebellum) are a hypodense nonenhancing unilateral posterior fossa mass, with or without adjacent occipital thinning, hydrocephalus, and calcification. Magnetic resonance (MR) has been found to be very helpful, and superior to CT, in...

journal_title：Journal of computer assisted tomography

authors： Ashley DG,Zee CS,Chandrasoma PT,Segall HD

更新日期：1990-11-01 00:00:00

abstract：:Contrast enhancement has been studied with computed tomography in 18 patients with brain infarction. Four patients were examined on more than one occasion. A mode of contrast medium administration has been used that results in constant blood iodine concentration during the investigation. The enhancement pattern was an...

journal_title：Journal of computer assisted tomography

authors： Bergström M,Ericson K

更新日期：1979-04-01 00:00:00

abstract：OBJECTIVE:To determine the incremental detection rate of clinically significant prostate cancer (csPCa) provided by sequential cores during in-bore magnetic resonance imaging (MRI)-guided prostate biopsies. METHODS:Single-center, retrospective interpretation of prospectively acquired data in men without previous diagn...

journal_title：Journal of computer assisted tomography

authors： Subramanian N,Recchimuzzi DZ,Xi Y,Diaz de Leon A,Chen H,Xie D,Goldberg K,Rofsky NM,Pedrosa I,Costa DN

更新日期：2020-12-02 00:00:00

abstract：:Seven patients with polypoid mucoceles of the ethmoid sinuses were examined by computed tomography (CT). The findings in all cases were remarkably similar. This unique CT appearance has not been seen with malignancies and should be considered characteristic of this benign entity. ...

journal_title：Journal of computer assisted tomography

authors： Jacobs M,Som PM

更新日期：1982-08-01 00:00:00

abstract：:Ten consecutive patients with surgically proven beta-islet cell tumors, strongly suspected clinically because of positive laboratory findings, were studied by MRI at 0.5 T. Results were correlated with CT and angiography. MRI detected all 10 insulinomas, with the location confirmed at surgery. Lesion size was < 1 cm i...

journal_title：Journal of computer assisted tomography

authors： Pavone P,Mitchell DG,Leonetti F,Di Girolamo M,Cardone G,Catalano C,Tamburrano G,Passariello R

更新日期：1993-05-01 00:00:00

abstract：:A technique is described that permits the 19F nuclear magnetic resonance (NMR) imaging of the vascular system in animals that have been infused with certain perfluorocarbon blood substitutes. The essence of the technique is the selection for imaging of a narrow group of spectral lines from the fluorocarbon using a com...

journal_title：Journal of computer assisted tomography

authors： Joseph PM,Fishman JE,Mukherji B,Sloviter HA

更新日期：1985-11-01 00:00:00

abstract：:Sternal hyperostosis is characterized by prominent new bone formation and fibrosis with less pronounced areas of granulation tissue and round cell infiltration. In previously reported cases the process involved not only the sternum but adjacent bony areas as well. Depending upon the extent of disease, acquiring biopsy...

journal_title：Journal of computer assisted tomography

authors： Bechtold RE,Karstaedt N,Wolfman NT

更新日期：1990-01-01 00:00:00

abstract：:The CT and magnetic resonance (MR) findings in 13 patients with advanced Zollinger-Ellison syndrome are described. In eight patients (62%) one or more primary tumors were found with both methods. All patients with proven liver metastases (n = 7) were identified by MR. Computed tomography was positive in six of these p...

journal_title：Journal of computer assisted tomography

authors： Tjon A Tham RT,Falke TH,Jansen JB,Lamers CB

更新日期：1989-09-01 00:00:00

abstract：:The presence of superior mesenteric artery aneurysms may be suspected on the basis of clinical and ultrasound findings. These lesions have a suggestive appearance on computed tomography, but for a preoperative assessment angiography is always indicated. Two cases are presented. ...

journal_title：Journal of computer assisted tomography

authors： Passariello R,Simonetti G,Rovighi L,Ciolina A

更新日期：1980-10-01 00:00:00

abstract：:The incidence of melanoma has risen dramatically over the past several decades. Oncologists rely on the ability of radiologists to identify subtle radiographic changes representing metastatic and recurrent melanoma in uncommon locations on multidetector computed tomography (MDCT) as the front-line imaging surveillance...

journal_title：Journal of computer assisted tomography

authors： Jones BC,Lipson EJ,Childers B,Fishman EK,Johnson PT

更新日期：2018-05-01 00:00:00

abstract：:Neutrons and X-rays are mathematically equivalent as probes in computed tomography. However, structure in the energy dependence of neutron total cross sections and the feasibility of using time-of-flight techniques for energy sensitivity in neutron detection suggest that spatial distributions of specific substances ca...

journal_title：Journal of computer assisted tomography

authors： Overley JC

更新日期：1983-02-01 00:00:00

abstract：:An assessment of the role of marrow fat as a source of error in single energy quantitative CT (SEQCT) measurements of the spine is presented. Fat-induced shifts and spreads in SEQCT findings are discriminated and quantified. Studies using chemical analysis have reported an average vertebral bone mineral (MIN) loss of ...

journal_title：Journal of computer assisted tomography

authors： Glüer CC,Genant HK

更新日期：1989-11-01 00:00:00

abstract：OBJECTIVE:The objective of this study was to determine the accuracy of contrast-enhanced multidetector row computed tomography (MDCT) in classifying the morphological subtype and revealing the longitudinal extent of extrahepatic cholangiocarcinomas (EHCs). METHODS:Our institutional review board approved this retrospec...

journal_title：Journal of computer assisted tomography

authors： Seo H,Lee JM,Kim IH,Han JK,Kim SH,Jang JY,Kim SW,Choi BI

更新日期：2009-05-01 00:00:00

abstract：:Spiral CT (SCT) differs from conventional CT in that the entire heart can be rapidly imaged in the axial plane following the peripheral infusion of small quantities of contrast material. As contrast material travels through coronary artery bypass graft segments, good image detail is achieved, allowing visualization of...

journal_title：Journal of computer assisted tomography

authors： Tello R,Costello P,Ecker C,Hartnell G

更新日期：1993-03-01 00:00:00

abstract：:Fifteen of 605 examinations of patients aged 60 to 85 years showed symmetrical white matter hypodensity on computed tomography (CT). Six of these showed severe white matter hypodensity, low grade atrophy, and dilated ventricles. A diagnosis of encephalopathia subcorticalis chronica progressiva, or Binswanger disease, ...

journal_title：Journal of computer assisted tomography

authors： Zeumer H,Schonsky B,Sturm KW

更新日期：1980-02-01 00:00:00

abstract：:The CT findings in hepatic involvement by Echinococcus granulosus are described. Pathognomonic signs of the hydatid nature of a cystic lesion are visualization of the cystic wall on plain CT, calcification of the cyst wall, daughter cysts, and membrane detachment. ...

journal_title：Journal of computer assisted tomography

authors： Pandolfo I,Blandino G,Scribano E,Longo M,Certo A,Chirico G

更新日期：1984-10-01 00:00:00

abstract：:Magnetic susceptibility variations due to the presence of iron in neural tissue can result in a shift of local resonance frequency, decreased T2 resulting from water diffusion through local field gradients, and line broadening due to field inhomogeneity within a voxel. In this study, modified spin echo phase contrast ...

journal_title：Journal of computer assisted tomography

authors： Wismer GL,Buxton RB,Rosen BR,Fisel CR,Oot RF,Brady TJ,Davis KR

更新日期：1988-03-01 00:00:00

abstract：:The orbital lesions in six patients with Wegener's granulomatosis were studied by computer assisted tomography (CAT). Four patients had active orbital disease and proptosis, and each was found to have orbital masses accompanied by varying degrees of bone and sinus destruction. Two additional patients with histories of...

journal_title：Journal of computer assisted tomography

authors： Vermess M,Haynes BF,Fauci AS,Wolff SM

更新日期：1978-01-01 00:00:00

abstract：:Magnetic resonance imaging was performed in four patients with biopsy proven idiopathic portal hypertension (IPH). The MR images show proximity of medium-sized intrahepatic vessels to each other and to the liver surface in all patients. Small vessels running parallel to the second order branches of the intrahepatic po...

journal_title：Journal of computer assisted tomography

authors： Arai K,Matsui O,Kadoya M,Yoshikawa J,Gabata T,Takashima T,Kobayashi K,Unoura M

更新日期：1991-05-01 00:00:00

abstract：:The use of magnetic resonance (MR) to preoperatively evaluate patients with primary hyperparathyroidism was assessed using a 1.5 T system and surface coil reception. Twenty-five patients with primary hyperparathyroidism were studied before surgical exploration. Axial images, 5 mm thick, were obtained from the thyroid ...

journal_title：Journal of computer assisted tomography

authors： Kier R,Blinder RA,Herfkens RJ,Leight GS,Spritzer CE,Carroll BA

更新日期：1987-09-01 00:00:00

abstract：:The central dot sign on CT in Caroli disease has been described previously. We describe a patient with the central dot sign who had periductal cysts but did not have Caroli disease. ...

journal_title：Journal of computer assisted tomography

authors： Herman TE,Siegel MJ

更新日期：1990-11-01 00:00:00

abstract：:In vivo attenuation values of 19 fluid collections in 17 patients were compared with in vitro values obtained on examination of the aspirated fluids within the calibration phantom of an EMI CT5005 body scanner. While the in vitro values showed a 5.2 Hounsfield unit (HU:1,000 scale). difference between cysts and absces...

journal_title：Journal of computer assisted tomography

authors： Bydder GM,Kreel L

更新日期：1980-04-01 00:00:00