Calcification as a sign of sarcomatous degeneration of malignant pleural mesotheliomas: a new CT finding.

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：:We describe a patient in whom a secondary aortocaval fistula was diagnosed on dynamic CT by noting transient enhancement of the inferior vena cava simultaneously with maximum enhancement of the aorta. This pattern of caval enhancement is contrasted with the gradual increase and subsequent plateauing of caval opacifica...

journal_title：Journal of computer assisted tomography

authors： Middleton WD,Smith DF,Foley WD

更新日期：1987-03-01 00:00:00

abstract：:Present popular computed tomography (CT) algorithms reconstruct an object from the ray measurements lying on a set of parallel planes. This paper presents an algorithm that can also utilize "cross-plane" rays (i.e., rays that cross through many planes) to reconstruct the object. In this reconstruction algorithm, the r...

journal_title：Journal of computer assisted tomography

authors： Pelc NJ,Chesler DA

更新日期：1979-06-01 00:00:00

abstract：OBJECTIVE:This study aimed to identify the computed tomographic colonography (CTC) findings of incomplete colonoscopy compared with those of complete colonoscopy. METHODS:The clinical data and CTC imaging data from January 2004 to December 2012 were retrospectively obtained at 2 different institutions and reviewed by ...

journal_title：Journal of computer assisted tomography

authors： Lee ES,Kim BC,Hur BY,Kim MJ,Park HJ,Park SB,Lee JB,Sohn DK,Han KS,Hong CW

更新日期：2018-09-01 00:00:00

abstract：:Abdominal CT, which routinely includes the lower thorax, is an important adjunct to supine chest radiography in detecting chest injury in patients with blunt abdominal trauma. In 1,086 consecutive patients with blunt abdominal trauma, 223 of whom had both supine chest radiography and abdominal CT, 49 patients examined...

journal_title：Journal of computer assisted tomography

authors： Wolfman NT,Gilpin JW,Bechtold RE,Meredith JW,Ditesheim JA

更新日期：1993-01-01 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

abstract：OBJECTIVE:To investigate the magnetic resonance imaging (MRI) features of well-differentiated hepatocellular carcinoma (HCC). METHODS:We reviewed the MRI of 32 patients with 33 pathologically confirmed well-differentiated HCC. The MRI protocol included T2-weighted imaging with and without fat saturation, dual-phase T1...

journal_title：Journal of computer assisted tomography

authors： Li CS,Chen RC,Lii JM,Chen WT,Shih LS,Zhang TA,Tu HY

更新日期：2006-07-01 00:00:00

abstract：OBJECTIVE:To describe the computed tomography (CT) and magnetic resonance imaging (MRI) findings of solid organizing hepatic abscesses and correlate them with the pathologic findings. METHODS:Ten patients with 10 pathologically proven solid organizing hepatic abscesses who underwent 3-phase CT (n = 10) or MRI (n = 7) ...

journal_title：Journal of computer assisted tomography

authors： Kim YK,Kim CS,Lee JM,Ko SW,Moon WS,Yu HC

更新日期：2006-03-01 00:00:00

abstract：:We describe a case of disruption of the blood-brain barrier (BBB) by nonionic, low osmolality contrast medium after abdominal angiography. One plausible explanation of this event is that acute hypertension during angiography may have increased the BBB permeability, allowing the contrast medium to leak across it. ...

journal_title：Journal of computer assisted tomography

authors： Okazaki H,Tanaka K,Shishido T,Nagase H,Hoshino M,Takebayashi S,Endoh O,Takamura Y

更新日期：1989-09-01 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：:Catheter-directed digital subtraction angiography (DSA) is considered the standard for evaluation of superficial temporal to middle cerebral artery (STA-MCA) bypass patency. Few clinical investigations have been performed that evaluate the efficacy of computed tomographic angiography (CTA) in the assessment of extracr...

journal_title：Journal of computer assisted tomography

authors： Besachio DA,Ziegler JI,Duncan TD,Wanebo JS

更新日期：2010-05-01 00:00:00

abstract：:With computer reformatting techniques, it is possible to project any lesion into its proper position with respect to the reformatted midsagittal computed tomography (CT) plane, the reformatted biparietal CT plane, or any other useful reference plane. The calvarial contour depicted on the reformatted midsagittal CT ima...

journal_title：Journal of computer assisted tomography

authors： Naidich TP,Yu RH,King DG,Wholahan JD

更新日期：1980-10-01 00:00:00

abstract：OBJECTIVE:This study aimed to determine optimal strength of sinogram-affirmed iterative reconstruction (SAFIRE) and to evaluate image quality (IQ) of low-dose chest computed tomography (LDCT) using SAFIRE compared with iterative reconstruction in image space (IRIS) and filtered back projection (FBP). METHODS:Thirty pa...

journal_title：Journal of computer assisted tomography

authors： Hwang HJ,Seo JB,Lee HJ,Lee SM,Kim EY,Oh SY,Kim JE

更新日期：2013-07-01 00:00:00

abstract：:Numerous cerebral asymmetries are shown on cerebral computed tomography (CT). Those seen most commonly are: (a) the left occipital pole is frequently wider and protrudes further posteriorly than the right; (b) the right frontal area often measures wider than the left, and the right frontal pole usually protrudes eithe...

journal_title：Journal of computer assisted tomography

authors： Le May M,Kido DK

更新日期：1978-09-01 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：:We present three cases of glioblastoma with CSF dissemination that contrast-enhanced fluid-attenuated inversion recovery MRI was sensitive enough to detect compared with contrast-enhanced T1-weighted MRI. An autopsy was performed on one patient, and its histologic findings proved the existence of CSF dissemination. ...

journal_title：Journal of computer assisted tomography

authors： Misaki K,Nakada M,Hayashi Y,Tachibana O,Yamashita J,Ueda F,Suzuki M

更新日期：2001-11-01 00:00:00

abstract：:The direct spread of intraabdominal disease via peritoneal folds is clearly demonstrated with computed tomography (CT). This extensive network of peritoneal folds can be conceptualized as the subperitoneal space. These subperitoneal communications within the abdomen are described and demonstrated by CT scans and a sch...

journal_title：Journal of computer assisted tomography

authors： Oliphant M,Berne AS

更新日期：1982-12-01 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：:A noninvasive technique for measuring blood flow by xenon-enhanced X-ray transmission CT has been developed and reported quite extensively in recent years. In this method nonradioactive xenon gas is inhaled, and the temporal changes in radiographic enhancement produced by the inhalation are measured by sequential CT. ...

journal_title：Journal of computer assisted tomography

authors： Gur D,Yonas H,Wolfson SK Jr,Wozney P,Colsher JG,Good WF,Good BC,Herbert DL,Cook EE

更新日期：1984-12-01 00:00:00

abstract：OBJECTIVE:MRI offers many opportunities for noninvasive in vivo measurement of structure-function relationships in the human brain. Although automated methods are now available for whole-brain measurements, an efficient and valid automatic method for volume estimation of subregions such as the frontal or temporal lobes...

journal_title：Journal of computer assisted tomography

authors： Andreasen NC,Rajarethinam R,Cizadlo T,Arndt S,Swayze VW 2nd,Flashman LA,O'Leary DS,Ehrhardt JC,Yuh WT

更新日期：1996-01-01 00:00:00

abstract：PURPOSE:The purpose of this work was to determine the optimal delay times in two-phase helical CT for nodular hepatocellular carcinoma (HCC). METHOD:Twenty-four patients with nodular HCC (size 2.1-6.7 cm, mean 4.2 cm) were divided into three groups to undergo single-level dynamic CT with 150 ml of contrast material (i...

journal_title：Journal of computer assisted tomography

authors： Lee KH,Choi BI,Han JK,Jang HJ,Kim TK,Han MC

更新日期：2000-03-01 00:00:00

abstract：INTRODUCTION:Stereotactic ablative radiotherapy (SABR) offers a curative treatment for lung cancer in patients who are marginal surgical candidates. However, unlike traditional surgery the lung cancer remains in place after treatment. Thus, imaging follow-up for evaluation of recurrence is of paramount importance. MAT...

journal_title：Journal of computer assisted tomography

authors： Moore W,Chaya Y,Chaudhry A,Depasquale B,Glass S,Lee S,Shin J,Mikhail G,Bhattacharji P,Kim B,Bilfinger T

更新日期：2015-09-01 00:00:00

abstract：:We present a case of Fitz-Hugh-Curtis syndrome (Chlamydia trachomatis perihepatitis). Contrast-enhanced CT demonstrated enhancement along the surface of the liver, but it was remarkable on the anterior surface. No other abnormalities suspicious for peritonitis were found. Contrast enhancement of the anterior surface o...

journal_title：Journal of computer assisted tomography

authors： Tsubuku M,Hayashi S,Terahara A,Furukawa T,Ohmura G

更新日期：2002-05-01 00:00:00

abstract：:Cooperative patients can often keep still during a long examination of the brain provided that they are given cues about their position in space. In a U-shaped head support, the only movements likely are rotation in the sagittal or transverse planes. These can be detected by a nasal orientation device (NOD), simply a ...

journal_title：Journal of computer assisted tomography

authors： Tofts PS,Kermode AG,MacManus DG,Robinson WH

更新日期：1990-01-01 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：: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：:A case of tuberculosis of the breast is presented. The mammographic, ultrasound, and CT appearances are described. ...

journal_title：Journal of computer assisted tomography

authors： Schnarkowski P,Schmidt D,Kessler M,Reiser MF

更新日期：1994-11-01 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：:To achieve prolonged breath-holding, oxygen was administered just before dynamic CT and high resolution lung CT. Oxygen administration has proved to be a supportive means to improve the quality of CT studies. ...

journal_title：Journal of computer assisted tomography

authors： Sadatoh N,Hatabu H,Takahashi M,Imanaka K,Sano A

更新日期：1987-07-01 00:00:00

abstract：:Perineural spread along the nasociliary branch of the ophthalmic nerve has not been previously described, to our knowledge. One case of cutaneous squamous carcinoma at the medial canthus and another of melanoma of the nasal ala, with nasociliary nerve perineural spread, are illustrated here. Whereas magnetic resonance...

journal_title：Journal of computer assisted tomography

authors： Shah K,Esmaeli B,Ginsberg LE

更新日期：2013-03-01 00:00:00