Influence of liver cirrhosis on pseudolesions in liver at CT during arterial portography.

abstract：OBJECTIVE:To describe the thin-section computed tomography (CT) findings of Sjogren syndrome accompanying pulmonary amyloidosis and lymphoproliferative disease and to compare these with histopathologic findings. SUBJECTS AND METHODS:The thin-section CT findings of 5 women (age range: 42-59 years, mean age=50 years) wi...

journal_title：Journal of computer assisted tomography

authors： Jeong YJ,Lee KS,Chung MP,Han J,Chung MJ,Kim KI,Seo JB,Franquet T

更新日期：2004-11-01 00:00:00

abstract：OBJECTIVE:The aim of the study was to investigate the feasibility of low-tube-voltage computed tomography (CT) in combination with 3-dimensional adaptive iterative dose reduction (AIDR-3D) algorithm in lower extremity CT angiography. METHODS:The CT data of the 120-kV group (n = 30) were reconstructed with filtered bac...

journal_title：Journal of computer assisted tomography

authors： Pan YN,Li AJ,Chen ZQ,Ren DW,Zhang J,Jiang MQ,Huang QL

更新日期：2016-03-01 00:00:00

abstract：PURPOSE:Recently, a new specific organ dose adaption and reduction protocol, or SODAR tool (X-CARE, Siemens Healthcare), which reduces dose to the anterior aspect of the body of patients, was installed on our computed tomographic scanner. The purpose of this pilot project was to evaluate image quality and dose distribu...

journal_title：Journal of computer assisted tomography

authors： Reimann AJ,Davison C,Bjarnason T,Thakur Y,Kryzmyk K,Mayo J,Nicolaou S

更新日期：2012-05-01 00:00:00

abstract：OBJECTIVE:Our goal was to examine regional preservation of energy metabolism in Alzheimer disease (AD) and to evaluate effects of PET data normalization to reference regions. MATERIALS AND METHODS:Regional metabolic rates in the pons, thalamus, putamen, sensorimotor cortex, visual cortex, and cerebellum (reference reg...

journal_title：Journal of computer assisted tomography

authors： Minoshima S,Frey KA,Foster NL,Kuhl DE

更新日期：1995-07-01 00:00:00

abstract：PURPOSE:The purpose of this work was to assess the activation of the supplementary motor area (SMA) during simple motor, complex motor, hot sensory, and touch sensory tasks. METHOD:Functional MRI (fMRI) was performed in eight right-handed healthy volunteers. There were four tasks: simple motor, complex motor, hot sens...

journal_title：Journal of computer assisted tomography

authors： Chung GH,Han YM,Kim CS

更新日期：2000-07-01 00:00:00

abstract：:A psoas mass in a patient with a history of penetrating trauma to the area was demonstrated by computed tomography (CT) to represent a lumbar artery pseudoaneurysm surrounded by hematoma. This report emphasizes the importance of recognizing the anatomic position of the lumbar arteries on CT images and considering the ...

journal_title：Journal of computer assisted tomography

authors： Hulnick DH,Naidich DP,Balthazar EJ,Megibow AJ,Bosniak MA

更新日期：1984-06-01 00:00:00

abstract：:The case of a 75-year-old man with a history of lymphoma, recent upper respiratory tract infection, and a protracted course of encephalopathy is presented. Radiologically, findings were consistent with posterior reversible encephalopathy syndrome. A brain biopsy revealed evidence of endothelial activation, T-cell traf...

journal_title：Journal of computer assisted tomography

authors： Kofler J,Bartynski WS,Reynolds TQ,Lieberman FS,Murdoch GH,Hamilton RL

更新日期：2011-01-01 00:00:00

abstract：:The value of routinely used MR sequences in the detection of focal changes of femorotibial articular cartilage was studied. T1-weighted, proton density, and T2-weighted SE as well as gradient echo images were acquired in 20 cadaveric knees (56-88 years old, mean 73.8 years). Three hundred five coronal and sagittal (3 ...

journal_title：Journal of computer assisted tomography

authors： Hodler J,Berthiaume MJ,Schweitzer ME,Resnick D

更新日期：1992-07-01 00:00:00

abstract：:A low density barium sulfate mixture has been specially formulated and routinely used in over 800 abdominal computer assisted tomography scans over the past 3 years. ...

journal_title：Journal of computer assisted tomography

authors： Hatfield KD,Segal SD,Tait K

更新日期：1980-08-01 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：PURPOSE:Our goal was to assess the performance of high resolution CT on breast biopsy specimens before considering the reevaluation of refined CT techniques in patients with breast abnormalities. METHOD:High resolution CT was done in 44 surgical biopsy specimens following conventional X-ray specimen mammography. The s...

journal_title：Journal of computer assisted tomography

authors： Raptopoulos V,Baum JK,Hochman M,Karellas A,Houlihan MJ,D'Orsi CJ

更新日期：1996-03-01 00:00:00

abstract：OBJECTIVES:The relationship between temporomandibular joint (TMJ) effusion and TMJ disorders is controversial. The frequency of TMJ effusion has varied as shown in previous studies. Furthermore, though some authors have suggested a correlation between TMJ effusion and pain, others question the relationship. In order to...

journal_title：Journal of computer assisted tomography

authors： Yamamoto M,Sano T,Okano T

更新日期：2003-09-01 00:00:00

abstract：PURPOSE:The purpose of this study was to compare the preoperative detectability of hepatocellular carcinomas (HCCs) using combined T2-weighted and dynamic gadolinium-enhanced MRI and combined CT during arterial portography (CTAP) and CT hepatic arteriography (CTHA). METHOD:Thirty-three patients with 43 HCCs underwent ...

journal_title：Journal of computer assisted tomography

authors： Choi D,Kim SH,Lim JH,Cho JM,Lee WJ,Lee SJ,Lim HK

更新日期：2001-09-01 00:00:00

abstract：:We previously reported generalized cerebral glucose hypometabolism in amyotrophic lateral sclerosis (ALS) patients with upper motor neuron disease, using positron emission tomography (PET) with [18F]2-fluoro-2-deoxy-D-glucose. The present article presents a more detailed regional analysis of the hypometabolism, includ...

journal_title：Journal of computer assisted tomography

authors： Hatazawa J,Brooks RA,Dalakas MC,Mansi L,Di Chiro G

更新日期：1988-07-01 00:00:00

abstract：OBJECTIVE:The purpose of this article is to report computed tomography demonstration of medial bowing of the lamina papyracea in 5 patients after internal ethmoidectomy. METHODS:We identified 5 patients who had apparent medial bowing of the lamina papyracea after functional endoscopic sinus surgery (FESS) and who had ...

journal_title：Journal of computer assisted tomography

authors： Cunnane ME,Platt M,Caruso PA,Metson R,Curtin HD

更新日期：2009-01-01 00:00:00

abstract：:Fifteen prostates were obtained from patients autopsied at The Johns Hopkins Hospital and imaged fresh in vitro by high resolution magnetic resonance (MR) imaging with a surface coil. Following scanning, the specimens were fixed and sectioned in the same plane as the MR images. The prostate sections, corresponding to ...

journal_title：Journal of computer assisted tomography

authors： Hruban RH,Zerhouni EA,Dagher AP,Pessar ML,Hutchins GM

更新日期：1987-11-01 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：PURPOSE:Our goal was to find a causal relation between disk degeneration in nonfused lumbar segments, back pain, and the angle of scoliotic curves 21-30 years after dorsal spondylodesis. METHOD:Thirty-two patients with scoliosis had been treated by dorsal spondylodesis 21-30 years prior to this study (mean 25.2 +/- 2....

journal_title：Journal of computer assisted tomography

authors： Breitenseher MJ,Eyb RP,Matzner MP,Trattnig S,Kainberger FM,Imhof H

更新日期：1996-07-01 00:00:00

abstract：:Image quality in cranial computed tomography (CT) was evaluated with phantom and patient studies on both a first (single beam) and a second (multiple beam) generation scanner. When comparable radiation doses were used, there were only minor differences in resolution, low contrast detectability, and noise level. The pa...

journal_title：Journal of computer assisted tomography

authors： Zatz LM

更新日期：1978-07-01 00:00:00

abstract：:We describe a patient with CT-proven ischemic infarction of the left middle cerebral artery (MCA) territory. The emergency CT, on admission, was suggestive of intracranial internal carotid artery dissection by demonstrating gaseous gap defects in the arterial wall and a subsequent thromboembolic process in the MCA. To...

journal_title：Journal of computer assisted tomography

authors： Farrokh D

更新日期：2002-11-01 00:00:00

abstract：:We describe a case with a focally spared area in fatty liver caused by arterioportal shunt. Furthermore, we discuss the cause of the focally spared area related to a localized dilution or reduction in portal blood flow. ...

journal_title：Journal of computer assisted tomography

authors： Arita T,Matsunaga N,Honma Y,Nishikawa E,Nagaoka S

更新日期：1996-05-01 00:00:00

abstract：OBJECTIVE:The purpose of this study was to investigate the early manifestation of hypervascular hepatocellular carcinomas by means of evaluating the "nodule-in-nodule" hepatic lesions depicted on dynamic computed tomography. METHODS:For 26 lesions with hypervascular foci in nonhypervascular nodules in 23 patients with...

journal_title：Journal of computer assisted tomography

authors： Yu JS,Chung JJ,Kim JH,Kim KW

更新日期：2009-01-01 00:00:00

abstract：OBJECTIVE:This study aimed to determine if carotid arterial tortuosity represents a marker of disease severity in Loeys-Dietz syndrome (LDS). METHODS:Fifty-four 54 LDS patients (mean age, 17.0 years) who underwent computed tomogram angiography from January 2004 to December 2013 were retrospectively identified. Carotid...

journal_title：Journal of computer assisted tomography

authors： Chu LC,Haroun RR,Beaulieu RJ,Black JH 3rd,Dietz HC,Fishman EK

更新日期：2018-09-01 00:00:00

abstract：:We report a rare case of prolactinoma with deposition of amyloid and calcifications. Magnetic resonance imaging and/or computed tomography findings have been described in only a few cases. Possible mechanisms of amyloid deposition and calcification were discussed, and literatures were reviewed. In pituitary adenomas, ...

journal_title：Journal of computer assisted tomography

authors： Kitamura K,Nakayama T,Ohata K,Wakasa K,Miki Y

更新日期：2011-03-01 00:00:00

abstract：PURPOSE:The purpose of this study was to assess the accuracy of magnetic resonance imaging (MRI), particularly, dynamic MRI, in distinguishing ovarian fibromas from subserous uterine leiomyomas. MATERIAL AND METHODS:Fifteen ovarian fibromas and 15 subserous uterine leiomyomas were retrospectively reviewed. All MR exam...

journal_title：Journal of computer assisted tomography

authors： Thomassin-Naggara I,Daraï E,Nassar-Slaba J,Cortez A,Marsault C,Bazot M

更新日期：2007-03-01 00:00:00

abstract：:The inhalation of small quantities of carbon-11 labeled carbon monoxide results in a useful red cell label to identify vascular structures in the body and quantitate red cell concentration in tissues. Transverse section images are obtained using PC-II, the Massachusetts General Hospital (MGH) Positron Camera. Attenuat...

journal_title：Journal of computer assisted tomography

authors： Brownell GL,Cochavi S

更新日期：1978-11-01 00:00:00

abstract：OBJECTIVE:This cross-sectional study assessed the prognostic implications of computed tomography (CT) coronary artery calcification (CAC), independent of emphysema, in patients with chronic obstructive pulmonary disease (COPD). MATERIALS AND METHODS:Coronary artery calcification and emphysema were assessed on noncontr...

journal_title：Journal of computer assisted tomography

authors： OʼHare PE,Ayres JF,OʼRourke RL,Slaughter RE,Marshall HM,Bowman RV,Fong KM,Yang IA

更新日期：2014-09-01 00:00:00

abstract：:The extent of pathologic processes involving the mesentery is frequently difficult to assess by clinical examination and standard radiography. Contrast studies of the gastrointestinal tract only identify the effect of these processes on adjacent opacified bowel loops and frequently underestimate the extent of mesenter...

journal_title：Journal of computer assisted tomography

authors： Silverman PM,Baker ME,Cooper C,Kelvin FM

更新日期：1986-01-01 00:00:00

abstract：OBJECTIVE:To study the potential application of magnetic resonance imaging (MRI) for classification of retained placental tissue (RPT) in the uterus postnatally. METHODS:Twenty-two patients with clinically or pathologically proven RPT were studied. RESULTS:The thickness ratio (D1/D2) of invaded (D1) to normal (D2) my...

journal_title：Journal of computer assisted tomography

authors： Zhang SH,Zhang JY,Zhang J,Chen WL,Zhou Q

更新日期：2019-01-01 00:00:00

abstract：:Hepatocellular carcinoma and cholangiocarcinoma are the most common primary liver malignancies in adults (comprising >85%); however, liver is also host to some unusual primary malignant tumors. Some of these tumors show distinct demographic, clinicopathologic, and imaging features. Imaging features of these uncommon p...

journal_title：Journal of computer assisted tomography

authors： Sunnapwar A,Katre R,Policarpio-Nicolas M,Katabathina V,Erian M

更新日期：2016-05-01 00:00:00