Transverse section imaging with carbon-11 labeled carbon monoxide.

abstract：PURPOSE:The purpose of this study was to assess helical and electron beam CT scanning in the evaluation of renal vein involvement in patients with renal cell carcinoma (RCC). METHOD:Seventy-three patients with 76 pathologically proven RCC who underwent surgical resection or autopsy were evaluated for the accuracy of h...

journal_title：Journal of computer assisted tomography

authors： Welch TJ,LeRoy AJ

更新日期：1997-05-01 00:00:00

abstract：:Xanthogranulomatosis is a multicentric or systemic proliferative disorder of histiocytes. Two cases of xanthogranulomas are reported, each involving the kidneys. One patient also had concomitant orbital and CNS involvement. Primary renal involvement without associated retroperitoneal masses is an uncommon manifestatio...

journal_title：Journal of computer assisted tomography

authors： Merine D,Fishman EK,Siegelman SS

更新日期：1987-09-01 00:00:00

abstract：OBJECTIVE:To assess the prognostic value of computed tomography (CT) in hyperacute middle cerebral artery (MCA) infarcts. METHODS:The CT features, total CT score, and National Institutes of Health Stroke Scale (NIHSS) score were correlated with the 30-day mortality in 16 patients with a hyperacute MCA infarct. RESULT...

journal_title：Journal of computer assisted tomography

authors： Lam WW,Leung TW,Chu WC,Yeung DT,Wong LK

更新日期：2004-09-01 00:00:00

abstract：:Hepatic actinomycosis is an uncommon entity that forms communicating abscesses and fistulae. A case is presented in which findings on ultrasound, CT, and percutaneous injection of the abscess all reflected the pathologic process. Biopsy by thin-needle aspiration under CT guidance afforded prompt, accurate diagnosis an...

journal_title：Journal of computer assisted tomography

authors： Roesler PJ Jr,Wills JS

更新日期：1986-03-01 00:00:00

abstract：OBJECTIVE:Paroxysmal nocturnal hemoglobinuria (PNH) is an acquired hemolytic disorder, characterized by hemosiderin deposition in the proximal renal tubules. MATERIALS AND METHODS:We examined six cases of PNH with MRI including gradient echo imaging. RESULTS:On T2- and T2*-weighted imaging a characteristic hypointens...

journal_title：Journal of computer assisted tomography

authors： Tanaka YO,Anno I,Itai Y,Abe T

更新日期：1993-09-01 00:00:00

abstract：:The diagnosis of abdominal actinomycosis is difficult because of its relative infrequency and imitation of other diseases. We present four cases in which these difficulties in diagnosis were experienced and show the utility of CT in suggesting this disease. Aspiration, biopsy, and proper culture technique, in conjunct...

journal_title：Journal of computer assisted tomography

authors： Shah HR,Williamson MR,Boyd CM,Balachandran S,Angtuaco TL,McConnell JR

更新日期：1987-05-01 00:00:00

abstract：PURPOSE:The purpose of the study was to explore the feasibility and repeatability of diffusion tensor imaging and diffusion tractography on the anterior cruciate ligament graft after reconstruction and determine the fractional anisotropy and mean apparent diffusion coefficient values. MATERIALS AND METHODS:Twenty-two ...

journal_title：Journal of computer assisted tomography

authors： Yang X,Chen D,Li M,Shi D,Zhu B,Jiang Q

更新日期：2015-03-01 00:00:00

abstract：PURPOSE:We have devised, implemented, and tested a technique for creating a comprehensive probabilistic atlas of the human cerebral cortex, based on high-dimensional fluid transformations. The goal of the atlas is to detect and quantify subtle and distributed patterns of deviation from normal cortical anatomy, in a 3D ...

journal_title：Journal of computer assisted tomography

authors： Thompson PM,MacDonald D,Mega MS,Holmes CJ,Evans AC,Toga AW

更新日期：1997-07-01 00:00:00

abstract：OBJECTIVE:Magnetic resonance imaging has proven to be a useful diagnostic tool for the evaluation of various types of vascular rings and congenital heart disease. We report two cases showing the accuracy of MRI in detecting post-surgical complications in patients with these conditions. MATERIALS AND METHODS:The two ca...

journal_title：Journal of computer assisted tomography

authors： al-Ali F,Higgins CB,Gooding CA

更新日期：1994-01-01 00:00:00

abstract：OBJECTIVE:To test the hypothesis that a calibration phantom would improve interpatient and interscan variability in coronary artery calcium (CAC) studies. METHODS:We scanned 144 patients twice with or without the calibration phantom and then scanned 93 patients with a single calcific lesion twice and, finally, scanned...

journal_title：Journal of computer assisted tomography

authors： Budoff MJ,Mao S,Lu B,Takasu J,Child J,Carson S,Fisher H

更新日期：2002-11-01 00:00:00

abstract：:The computed tomographic (CT) appearance of global infarction of the kidney has not been previously reported. We report a clinically proven case as well as two other cases with clinical and radiographic findings consistent with renal infarction. The CT appearance of global renal infarction corresponds with its convent...

journal_title：Journal of computer assisted tomography

authors： Glazer GM,London SS

更新日期：1981-12-01 00:00:00

abstract：OBJECTIVE:The objective of this study was to develop and validate a novel noise insertion method that can accurately simulate lower-dose images from existing standard-dose computed tomography (CT) data. METHODS:The noise insertion method incorporates the effects of the bowtie filter, automatic exposure control, and el...

journal_title：Journal of computer assisted tomography

authors： Yu L,Shiung M,Jondal D,McCollough CH

更新日期：2012-07-01 00:00:00

abstract：:We present the case of a young man with compression of both renal arteries by the crura of the diaphragm. Correct diagnosis of renal artery entrapment is difficult but crucial. The investigations rely on an high index of suspicion and include Doppler ultrasound and spiral computed tomography angiography, which permits...

journal_title：Journal of computer assisted tomography

authors： Déglise S,Corpataux JM,Haller C,Binaghi S,Meuwly JY,Qanadli SD

更新日期：2007-05-01 00:00:00

abstract：:Small aortas were documented by CT in six patients, 16-34 years old. The diameter of these aortas measured at the level of 1 cm below the orifice of the superior mesenteric artery ranged from 10 to 12 mm, much smaller than the mean of 17 mm obtained from 20 subjects, 16-20 years old. Such small aortas are usually prod...

journal_title：Journal of computer assisted tomography

authors： Shin MS,Berland LL,Ho KJ

更新日期：1990-01-01 00:00:00

abstract：OBJECTIVE:To present a novel magnetic resonance (MR) method of analysis of cerebrospinal fluid (CSF) flow dynamics. METHODS:Fifty-one subjects were explored with phase-contrast cine MR imaging. There were 36 volunteers, 9 patients with normal pressure hydrocephalus (NPH), and 6 patients with asymptomatic ventricular d...

journal_title：Journal of computer assisted tomography

authors： de Marco G,Idy-Peretti I,Didon-Poncelet A,Baledent O,Onen F,Feugeas MC

更新日期：2004-03-01 00:00:00

abstract：:Distinguishing juxtadiaphragmatic pleural and peritoneal fluid by computed tomography (CT) is sometimes difficult. We evaluated the distribution of fluid in 50 consecutive patients with pleural effusion or ascites or both. Juxtadiaphragmatic pleural fluid was nearly always found posteromedially, whereas peritoneal flu...

journal_title：Journal of computer assisted tomography

authors： Griffin DJ,Gross BH,McCracken S,Glazer GM

更新日期：1984-02-01 00:00:00

abstract：:A case of calcific tendinitis of the gluteus maximus tendon with cortical erosion is presented. Roentgenography demonstrated calcification on the posterior surface of the proximal femur. Computed tomography showed flame-like appearance of calcific tendinitis and bone erosion. Magnetic resonance imaging showed minimal ...

journal_title：Journal of computer assisted tomography

authors： Mizutani H,Ohba S,Mizutani M,Otake S,Otsuka T,Nakamura T

更新日期：1994-03-01 00:00:00

abstract：:Two cases of thyroid-related papillary adenocarcinoma are presented. Both patients had clinically benign neck masses that were clearly separated from the thyroid gland. In both cases the thyroid gland was normal to clinical evaluation, CT, and 99mTc scanning. One patient had an occult thyroid carcinoma with a solitary...

journal_title：Journal of computer assisted tomography

authors： Som PM,Sacher M,Lanzieri CF,Shugar JM,Biller HF

更新日期：1985-01-01 00:00:00

abstract：:Chest CT and magnetic resonance (MR) examinations of 28 patients with newly diagnosed or recurrent lymphoma involving the mediastinum were retrospectively evaluated for evidence of chest wall involvement. Computed tomography demonstrated seven sites of chest wall involvement in four patients; whereas MR demonstrated 1...

journal_title：Journal of computer assisted tomography

authors： Bergin CJ,Healy MV,Zincone GE,Castellino RA

更新日期：1990-11-01 00:00:00

abstract：PURPOSE:Our goal was to determine the predictive value of coronary artery calcification (CAC) on preoperative CT of the thorax for cardiac complications of noncardiac thoracic surgery. METHOD:Of 117 patients undergoing noncardiac thoracic surgical procedures between January 1, 1993, and June 1, 1995, at our institutio...

journal_title：Journal of computer assisted tomography

authors： Roth BJ,Meyer CA

更新日期：1997-07-01 00:00:00

abstract：OBJECTIVE:The water component dominates in in vivo proton (1H) spectroscopy. This consists of a prominent central peak with large "wings," and consequently metabolites that lie on the "wings" become difficult to quantitate. A method has been developed to deconvolve the water component in in vivo 1H spectroscopy, hence ...

journal_title：Journal of computer assisted tomography

authors： Saeed N

更新日期：1995-09-01 00:00:00

abstract：OBJECTIVE:The aim of this study was to explore the response to neoadjuvant chemotherapy (NAC) in nonconcentric shrinkage pattern of breast cancer (BC) patients using H-magnetic resonance spectroscopy. METHODS:Twenty-five BC patients were the study cohort. All patients received AT-based regimen as first-line treatment....

journal_title：Journal of computer assisted tomography

authors： Zhou J,Qiao PG,Zhang HT,Li GJ,Jiang ZF

更新日期：2018-01-01 00:00:00

abstract：:The magnetic resonance (MR) cine display of flexion and extension (F/E) manoeuvres in the cervical spine has proved useful in the evaluation of cord compression due to bone and joint instability, spondylosis, and multiple tumours. It has advantages over X-ray F/E and CT myelography in that it is noninvasive and produc...

journal_title：Journal of computer assisted tomography

authors： Condon BR,Hadley DM

更新日期：1988-11-01 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：PURPOSE:Our goal was to investigate the role of Gd-DTPA-enhanced dynamic MRI in the evaluation of renal ischemic lesions. METHOD:With a turbo FLASH sequence before and after injection of Gd-DTPA, nine foxhound dogs after 60-120 min of renal ischemia underwent MR examination. In addition, five patients with a tumor in ...

journal_title：Journal of computer assisted tomography

authors： Vosshenrich R,Kallerhoff M,Gröne HJ,Fischer U,Funke M,Kopka L,Siebert G,Ringert RH,Grabbe E

更新日期：1996-03-01 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：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：: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：BACKGROUND AND PURPOSE:Influenza A infection can precipitate encephalopathy, encephalitis, or Reye syndrome with the development of cerebral edema in children and is associated with an increased incidence of stroke in adults. The mechanism of these events is poorly understood. Posterior reversible encephalopathy syndro...

journal_title：Journal of computer assisted tomography

authors： Bartynski WS,Upadhyaya AR,Boardman JF

更新日期：2009-11-01 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