Nasal orientation device to control head movement during CT and MR studies.

abstract：:This is the fourth 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 article, part 4, discusses DECT for abdominal and pelvic applications and, at the end of...

journal_title：Journal of computer assisted tomography

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

更新日期：2017-01-01 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：: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：RATIONALE AND OBJECTIVES:We delivered the saline chaser via a spiral flow-generating tube or a conventional connecting tube and compared arterial enhancement at computed tomography angiography (CTA) of the lower extremities. MATERIALS AND METHODS:We randomly assigned 100 patients whose ankle bronchial pressure index o...

journal_title：Journal of computer assisted tomography

authors： Masuda T,Funama Y,Nakaura T,Imada N,Sato T,Yamashita Y,Awai K

更新日期：2015-11-01 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：:The clinical and MR features of an alcoholic woman with Wernicke encephalopathy are reported. During the acute stage Gd-diethylenetriamine pentaacetic acid enhanced MR revealed damage of the blood-brain barrier bilaterally and symmetrically adjacent to the third ventricle, cerebral aqueduct, and fourth ventricle. The ...

journal_title：Journal of computer assisted tomography

authors： Schroth G,Wichmann W,Valavanis A

更新日期：1991-11-01 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：OBJECTIVE:The objectives of this study were to develop a software program that calculates bone cross-sectional area (CSA) and moments of inertia from digital images, test the computations for accuracy, and implement the software in a study of longitudinal changes in bone properties in a large group of postmenopausal wo...

journal_title：Journal of computer assisted tomography

authors： Corcoran TA,Sandler RB,Myers ER,Lebowitz HH,Hayes WC

更新日期：1994-07-01 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：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：:Two cases of papillary carcinoma of the bladder are presented in which the ureter could not be demonstrated by standard radiographic techniques. Computed tomography (CT) allowed identification of the tumor filled ureter. Intraureteral papillary tumor has a radiographic density (CT number) above that of water but less ...

journal_title：Journal of computer assisted tomography

authors： Ryan KG,Hoch WH,Craven RM

更新日期：1979-08-01 00:00:00

abstract：:An increase in the effective atomic number of blood is among the factors allowing or influencing the visualization of the major cerebral vessels on noncontrast CT. Bromine (atomic number, 50) attenuates 70 keV X-rays significantly and was responsible for a striking enhancement of the major cerebral vessels on the nonc...

journal_title：Journal of computer assisted tomography

authors： Osborne DR,Bohan T,Hodson A

更新日期：1984-10-01 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：:A 65-year-old man with lung carcinoma is presented. Chest radiography showed unilateral Kerley B lines in the right midlung and base, suggestive of lymphangitic carcinomatosis. High resolution CT demonstrated that this finding was due to residual normal interlobular septa, suspended between areas of paraseptal emphyse...

journal_title：Journal of computer assisted tomography

authors： Zompatori M,Rimondi MR,Gavelli G,Canini R

更新日期：1993-09-01 00:00:00

abstract：:A case of hepatic oil embolism following lymphangiography is presented. The computed tomographic appearance is striking and probably distinctive of embolism to the hepatic vascular system. The postulated mechanism for the embolization is discussed. ...

journal_title：Journal of computer assisted tomography

authors： Glazer GM,Nicol RF,Moss AA

更新日期：1981-06-01 00:00:00

abstract：:Cancers of the female genital system, particularly endometrial and ovarian cancers, can be associated with hereditary cancer syndromes such as hereditary breast and ovarian cancer and Lynch syndrome. Cancers that are found in the setting of a hereditary cancer syndrome are often unique in presentation, clinical featur...

journal_title：Journal of computer assisted tomography

authors： Rothan SM,Menias CO,ElGuindy YM,Jensen CT,Shaaban AM,Bhosale P,Lee MV,Katabathina VS,Elsayes KM

更新日期：2017-05-01 00:00:00

abstract：:Repeat examinations in a de novo patient with Wilson disease revealed an expansion of decreased signal intensities in the basal ganglia on T2-weighted imaging after initiation of copper trapping therapy. Since marked clinical improvement was associated with continued urinary copper excretion, iron depositioning in exc...

journal_title：Journal of computer assisted tomography

authors： Engelbrecht V,Schlaug G,Hefter H,Kahn T,Mödder U

更新日期：1995-07-01 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：:A case of a huge intracranial frontoparietal osteochondroma in a 20-year-old man is reported. The presenting symptoms were headache, vomiting, and blurred vision. Apart from papilledema, no other abnormal neurological signs were present. A specific preoperative diagnosis could not be reached from the information provi...

journal_title：Journal of computer assisted tomography

authors： Matz S,Israeli Y,Shalit MN,Cohen ML

更新日期：1981-02-01 00:00:00

abstract：OBJECTIVE:To analyze and to describe the shape and contraction of the normal right ventricle (RV) as visualized by magnetic resonance imaging (MRI). METHODS:Thirty normal volunteers were imaged using cine MRI in axial, short-axis, and long-axis planes. The shape and contraction of the RV were qualitatively evaluated. ...

journal_title：Journal of computer assisted tomography

authors： Fritz J,Solaiyappan M,Tandri H,Bomma C,Genc A,Claussen CD,Lima JA,Bluemke DA

更新日期：2005-11-01 00:00:00

abstract：OBJECTIVE:A postprocessing method of rank filtering inhomogeneity correction using nonlinear rank filtering of magnetic resonance imaging (MRI) scans is described. The method addresses some of the problems of homomorphic unsharp masking (HUM) using mean or median filtering. METHODS:Maximum rank filtering was used to e...

journal_title：Journal of computer assisted tomography

authors： Chen J,Reutens DC

更新日期：2005-09-01 00:00:00

abstract：:Computed tomography potentially provides an accurate means of determining organ volume, by summation of serial section areas. Variation in level of held respiration for each serial scan, however, severely limits accuracy in the thorax and upper abdomen. A simple strain gauge has been used to provide the patient with v...

journal_title：Journal of computer assisted tomography

authors： Jones KR,Robinson PJ

更新日期：1986-01-01 00:00:00

abstract：PURPOSE:X-Ray CT has the potential to provide precise and accurate data from which the mechanical properties of bone can be calculated. Such data would be useful in understanding the response of bone tissue to implants. Various artifacts can, however, degrade accuracy of the data. The aim of this study was to measure t...

journal_title：Journal of computer assisted tomography

authors： Sutherland CJ,Gayou DE

更新日期：1996-05-01 00:00:00

abstract：:A case of Ebstein anomaly in a 2-day-old newborn is presented. The complementary roles of two-dimensional Doppler echocardiography and magnetic resonance imaging in managing this cardiac malformation are emphasized. ...

journal_title：Journal of computer assisted tomography

authors： Kastler B,Livolsi A,Zhu H,Roy E,Zollner G,Dietemann JL

更新日期：1990-09-01 00:00:00

abstract：OBJECTIVE:To describe the magnetic resonance imaging characteristics of supratentorial ependymomas. METHODS:The magnetic resonance imaging and computed tomography imaging characteristics of 49 cases of supratentorial ependymomas were analyzed retrospectively. The location, size, degree of perilesional edema, gross app...

journal_title：Journal of computer assisted tomography

authors： Jabeen S,Konar SK,Prasad C,Mahadevan A,Beniwal M,Sadashiva N,Santosh V,Saini J

更新日期：2020-09-01 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：PURPOSE:To assess whether cardiac computed tomographic angiography (CCTA) can quantify the severity of chronic mitral regurgitation (MR) compared to qualitative and quantitative echocardiographic parameters. MATERIALS AND METHODS:Cardiac computed tomographic angiography was performed in 23 patients (mean ± SD age, 63 ...

journal_title：Journal of computer assisted tomography

authors： Arnous S,Killeen RP,Martos R,Quinn M,McDonald K,Dodd JD

更新日期：2011-09-01 00:00:00

abstract：:The objective of this study was to evaluate the potential utility of a nutritional support formula to serve as a practical means of enhancing the gastrointestinal tract on abdominal MR images. Nutritional support formula (Ensure Plus) was administered to 29 patients prior to abdominal MRI. Standard T1-weighted and T2-...

journal_title：Journal of computer assisted tomography

authors： Mirowitz SA,Susman N

更新日期：1992-11-01 00:00:00

abstract：:Tiazofurin is an experimental chemotherapeutic agent currently undergoing clinical evaluation. We report our results with magnetic resonance (MR) in demonstrating reversible cerebral abnormalities concurrent with the use of this drug. The abnormalities on MR were correlated with findings on CT as well as with cerebral...

journal_title：Journal of computer assisted tomography

authors： Rippe DJ,Edwards MK,Schrodt JF,Bognanno JR,D'Amour PG,Boyko OB

更新日期：1988-11-01 00:00:00

abstract：OBJECTIVES:Our aim was to evaluate the diagnostic accuracy of 256-slice, high-pitch mode multidetector computed tomography (MDCT) for coronary artery bypass graft (CABG) patency. METHODS:Eighty-eight patients underwent 256-slice MDCT angiography to evaluate their graft patency after CABG surgery using a prospectively ...

journal_title：Journal of computer assisted tomography

authors： Yuceler Z,Kantarci M,Yuce I,Kizrak Y,Bayraktutan U,Ogul H,Kiris A,Celik O,Pirimoglu B,Genc B,Gundogdu F

更新日期：2014-01-01 00:00:00