Low-dose chest computed tomography with sinogram-affirmed iterative reconstruction, iterative reconstruction in image space, and filtered back projection: studies on image quality.

abstract：:Gas formation as a result of transcatheter tumor embolization has recently been observed by conventional radiography. We report the computed tomography identification of similar benign gas formation following transcatheter embolization of a large adrenal carcinoma. Computed tomography should be the most sensitive meth...

journal_title：Journal of computer assisted tomography

authors： Long JA Jr,Dunnick NR,Doppman JL

更新日期：1979-12-01 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：:A 72-year-old woman with previously symptomatic internal carotid artery occlusion subsequently presented with an acute hemispheric deficit. The patient was initially diagnosed as having an ischemic infarction but eventually was shown to have a subacute subdural hematoma with delay in surgical evacuation and a major pe...

journal_title：Journal of computer assisted tomography

authors： Pascuzzi RM,Boyko OB,Voelker JL

更新日期：1989-09-01 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:To describe computed tomography (CT) findings of invasive carcinoma derived from intraductal papillary mucinous neoplasms (IPMNs) of the pancreas during long-term follow-up. METHODS:Follow-up CT findings of 5 patients with IPMNs progressing to invasive carcinomas were respectively reviewed for 12 to 63 month...

journal_title：Journal of computer assisted tomography

authors： Yamada Y,Mori H,Matsumoto S,Kamei N,Hongo N

更新日期：2006-11-01 00:00:00

abstract：OBJECTIVE:Our goal was to elucidate the computed tomographic (CT) and clinicopathological features of inflammatory pseudotumor of the spleen. METHODS:Computed tomographic findings and clinic materials of 4 patients with inflammatory pseudotumor of the spleen were reviewed and compared with pathologic findings. RESULT...

journal_title：Journal of computer assisted tomography

authors： Lu T,Yang C

更新日期：2015-05-01 00:00:00

abstract：:This article will familiarize the reader with useful tools and trouble-shooting tips for web-based conferencing. Radiology-based scenarios for web conferencing are also provided. ...

journal_title：Journal of computer assisted tomography

authors： Catanzano TM,Nandwana SB,Folio LR

更新日期：2020-07-01 00:00:00

abstract：:A 45-year-old patient with focal intrahepatic extramedullary hematopoiesis is presented in which the liver was imaged by CT, ultrasound, and MR. The appearance of the lesions on MR consisted of slightly increased signal on T2-weighted images with heterogeneous enhancement of some of the lesions during bolus infusion o...

journal_title：Journal of computer assisted tomography

authors： Warshauer DM,Schiebler ML

更新日期：1991-07-01 00:00:00

abstract：:The magnetic resonance appearance of three lesions of focal nodular hyperplasia observed in two patients is reviewed. All three lesions demonstrated isointensity with the liver on the short repetition time (TR) and echo time (TE) spin echo images. One lesion also showed a central area of low signal intensity that path...

journal_title：Journal of computer assisted tomography

authors： Schiebler ML,Kressel HY,Saul SH,Yeager BA,Axel L,Gefter WB

更新日期：1987-07-01 00:00:00

abstract：OBJECTIVE:The aim of this study was to describe the characteristics of lung cancers in patients with tuberculous fibrothorax or empyema. METHODS:We retrospectively evaluated 138 consecutive patients with a diagnosis of lung cancer combined with fibrothorax (n = 127) or empyema (n = 11) from January 2005 to May 2015. A...

journal_title：Journal of computer assisted tomography

authors： Xu H,Koo HJ,Lee HN,Lim S,Lee JW,Choi CM,Kim MY

更新日期：2017-09-01 00:00:00

abstract：:From a sequence of computed tomograms of two-dimensional transverse slices of a body one can build up a three-dimensional array of numbers containing spatial rather than cross-sectional information. We have developed computer methods to display a slice at arbitrary orientation through the three-dimensional object. The...

journal_title：Journal of computer assisted tomography

authors： Herman GT,Liu HK

更新日期：1977-01-01 00:00:00

abstract：OBJECTIVE:To identify the computed tomography (CT) findings to predict recurrent bleeding in patients with massive hemoptysis. METHODS:Fifty-eight patients with massive hemoptysis underwent both CT and conventional bronchial angiography for bronchial artery embolization. Retrospective analysis was done to analyze the ...

journal_title：Journal of computer assisted tomography

authors： Jeong YJ,Kim CW,Kim KI,Shin SM,Seo IJ,Lee IS,Lee MK

更新日期：2006-07-01 00:00:00

abstract：:We present clinical and chest computed tomography (CT) features of 5 cases of pediatric patients with 2019 novel coronavirus. Two patients had fever and dry cough, whereas the rest of 3 patients were asymptomatic. Three patients had unilateral ground glass opacities with or without consolidation in the subpleural regi...

journal_title：Journal of computer assisted tomography

authors： Liu M,Song Z,Xiao K

更新日期：2020-05-01 00:00:00

abstract：PURPOSE:The purpose of this work was to determine the range of normal measurements for the thyroid gland on chest CT scans and relate it to the dimensions of the trachea. METHOD:Chest CT scans in 118 patients were examined prospectively for visibility of the thyroid gland and its relationship to the trachea. The great...

journal_title：Journal of computer assisted tomography

authors： Prince JS,Stark P

更新日期：2002-05-01 00:00:00

abstract：:A whole-body single-photon emission computed tomography system has been evaluated in terms of its physical performance. It consists of a standard GE 400 T maxi camera rotating on a ring stand, coupled to an Informatek Simis 3 computer system. In its standard mode of operation, 64 or 128 successive views of 64 X 64 or ...

journal_title：Journal of computer assisted tomography

authors： Soussaline FP,Todd-Popkropek AE,Zurowski S,Huffer E,Raynaud CE,Kellershohn CL

更新日期：1981-08-01 00:00:00

abstract：:Computed tomographic and magnetic resonance (MR) findings in a case of pseudomyxoma peritonei arising from a mucoid cystadenoma of the ovary are presented. The possible diagnostic aid of MR is discussed. ...

journal_title：Journal of computer assisted tomography

authors： Weigert F,Lindner P,Rohde U

更新日期：1985-11-01 00:00:00

abstract：OBJECTIVE:This study was conducted to describe the computed tomography (CT) features of nonalcoholic steatohepatitis (NASH) and to evaluate if the CT features could be used to diagnose and stage NASH. METHODS:From 1994 until 2004, pathology records revealed 68 patients with NASH. Of these, 12 patients underwent CT sca...

journal_title：Journal of computer assisted tomography

authors： Oliva MR,Mortele KJ,Segatto E,Glickman JN,Erturk SM,Ros PR,Silverman SG

更新日期：2006-01-01 00:00:00

abstract：:Our retrospective study of 230 computed tomographic (CT) studies of hepatic masses yielded 28 cases (12.2%) which contained calcification. Calcific deposits were noted in 9 of 59 patients (15.3%) with hepatocellular carcinoma (HCC), 15 of 82 patients (18.3%) with liver metastases from colorectal carcinoma (MCRC), 2 of...

journal_title：Journal of computer assisted tomography

authors： Scatarige JC,Fishman EK,Saksouk FA,Siegelman SS

更新日期：1983-02-01 00:00:00

abstract：:Thirty-three patients with rheumatoid arthritis had computed tomographic examination of the craniocervical junction. This demonstrated soft tissue features which have not previously been described in published reports. A low attenuation lesion between the odontoid and the transverse ligament shown in 11 patients was c...

journal_title：Journal of computer assisted tomography

authors： Castor WR,Miller JD,Russell AS,Chiu PL,Grace M,Hanson J

更新日期：1983-02-01 00:00:00

abstract：:Magnetic resonance imaging depicts the morphological details of the female pelvis and is useful for evaluating both benign and malignant cervical masses. Clinical assessment of the extent of cervical cancer is crucial in determining the optimal treatment strategy, but clinical staging by itself has limitations. Clinic...

journal_title：Journal of computer assisted tomography

authors： Bhosale P,Peungjesada S,Devine C,Balachandran A,Iyer R

更新日期：2010-11-01 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：:Abnormal hyperdensity consistent with skeletal muscle calcification was shown by CT in four of eight (50%) patients with rhabdomyolysis. This finding correlated significantly with antecedent hypocalcemia (p = 0.01) and renal insufficiency (p = 0.03). In patients with rhabdomyolysis, CT can show abnormal skeletal muscl...

journal_title：Journal of computer assisted tomography

authors： Russ PD,Dillingham M

更新日期：1991-05-01 00:00:00

abstract：:Vasculitis of the testis, although common pathologically, has been difficult to diagnose clinically and to detect noninvasively. This report describes the added benefit of MR imaging in directing clinical management in a patient where the first manifestation of vasculitis was scrotal pain and swelling. This subject wa...

journal_title：Journal of computer assisted tomography

authors： Hayward I,Trambert MA,Mattrey RF,Saltzstein SL,Demby AM

更新日期：1991-05-01 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：PURPOSE:The purpose of this work was to evaluate the radiologic findings of gastrointestinal (GI) tract involvement in hepatocellular carcinoma (HCC) and to discuss mechanisms of spread. METHOD:Eighteen patients with histologically proven GI tract metastasis in HCC for 4.5 years underwent CT and five also underwent up...

journal_title：Journal of computer assisted tomography

authors： Park MS,Kim KW,Yu JS,Kim MJ,Yoon SW,Chung KW,Lee JT,Yoo HS

更新日期：2002-01-01 00:00:00

abstract：:The computed tomographic (CT) characteristics of intraabdominal tuberculosis are not specific. A recent article from South Africa proposed a set of criteria that included high density ascites and mesenteric involvement, consisting of thickening and adenopathy, as possible criteria for the diagnosis of tuberculous peri...

journal_title：Journal of computer assisted tomography

authors： Dahlene DH Jr,Stanley RJ,Koehler RE,Shin MS,Tishler JM

更新日期：1984-06-01 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：:In a prospective clinical study, 26 patients (22 with malignant lymphoma and 4 with myelofibrosis) and 9 healthy volunteers were examined by conventional magnetic resonance and proton chemical shift imaging (CSI; modified Dixon method). On the basis of the CSI data, a quantitative evaluation of the relative fat and wa...

journal_title：Journal of computer assisted tomography

authors： Gückel F,Brix G,Semmler W,Zuna I,Knauf W,Ho AD,van Kaick G

更新日期：1990-07-01 00:00:00

abstract：OBJECTIVE:The aims of this study were to evaluate the dependence of diffusion parameters on the b values adopted for intravoxel incoherent motion diffusion-weighted magnetic resonance imaging and to investigate the application value of multiple diffusion parameters obtained from monoexponential and biexponential models...

journal_title：Journal of computer assisted tomography

authors： Wu Q,Wang Y,Shi L,Dong L,Liu M,Dou S,Zhu S,Wang M,Shi D

更新日期：2017-07-01 00:00:00

abstract：PURPOSE:To describe and determine the additional value of delayed-phase imaging of hepatic venous congestion after living-donor liver transplantation. MATERIALS AND METHODS:Twenty-eight patients who had surgical ligation of the middle hepatic vein (HV) in living-donor liver transplantation underwent 3-phase computed t...

journal_title：Journal of computer assisted tomography

authors： Park EA,Lee JM,Kim SH,Lee MW,Han JK,Choi BI,Lee JY,Lee W,Chung JW,Park JH

更新日期：2007-03-01 00:00:00