Susceptibility induced MR line broadening: applications to brain iron mapping.

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：OBJECTIVE:To evaluate the distal extent and attenuation of bowel opacification achieved after administration of a single low volume dose of oral contrast 2 hours before computed tomographic colonography (CTC) after incomplete optical colonoscopy. METHODS:This retrospective study included 144 patients undergoing CTC af...

journal_title：Journal of computer assisted tomography

authors： Chang KJ,Rekhi SS Jr,Anderson SW,Soto JA

更新日期：2011-01-01 00:00:00

abstract：:Serial computed tomography (CT) demonstrated complete resolution of severe periventricular hypodensity occurring in a child after receiving prophylaxis for acute lymphocytic leukemia. The resolution of this encephalopathy suggests that early changes of subacute necrotizing leukoencephalopathy are reversible and CT is ...

journal_title：Journal of computer assisted tomography

authors： Wendling LR,Bleyer WA,Di Chiro G,McIlvanie SK

更新日期：1978-09-01 00:00:00

abstract：:This is the fourth in a series of articles on the spine. The first reviewed the anatomy of the neck; the second reviewed the upper thoracic spine and chest (T1-T4); and the third reviewed the middle thoracic spine and chest (T5-T8). The procedures performed in the lower thoracic spine include percutaneous biopsies of ...

journal_title：Journal of computer assisted tomography

authors： Miller JS,Chiou-Tan F,Zhang H,Taber KH

更新日期：2007-01-01 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：:The aim in positron emission tomography is to provide quantitative information about the uptake, localization, and turnover of labeled molecules in the human body. Instruments designed for this purpose are based on the coincidence detection of the emitted annihilation photons. In this paper, we examine those instrumen...

journal_title：Journal of computer assisted tomography

authors： Kouris K,Garnett ES,Herman GT

更新日期：1981-10-01 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：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：:Intracranial opportunistic infections have been widely reported in patients with acquired immune deficiency syndrome (AIDS). We report an unusual presentation of Toxoplasma gondii infection in a patient with AIDS. ...

journal_title：Journal of computer assisted tomography

authors： Cohen W,Koslow M

更新日期：1985-03-01 00:00:00

abstract：OBJECTIVE:A method for identification and quantitative evaluation of task-specific changes of the regional cerebral blood flow (rCBF) measured with PET in activation studies of individual subjects is presented. The method is based on the statistical distributions of the quantitative and spatial information of regions o...

journal_title：Journal of computer assisted tomography

authors： Knorr U,Weder B,Kleinschmidt A,Wirrwar A,Huang Y,Herzog H,Seitz RJ

更新日期：1993-07-01 00:00:00

abstract：:Two cases of non-Hodgkin lymphoma (NHL), one AIDS related, with hepatic involvement manifesting as infiltrating mass-like periportal intrahepatic low attenuation on CT are described. One case demonstrated mass effect with compression of adjacent bile ducts causing jaundice. NHL should be included in the differential d...

journal_title：Journal of computer assisted tomography

authors： Coakley FV,O'Reilly EM,Schwartz LH,Panicek DM,Castellino RA

更新日期：1997-09-01 00:00:00

abstract：:Four patients with blunt abdominal trauma underwent computed tomography (CT) as part of their diagnostic evaluation. In each case CT accurately demonstrated the pathology and the extent of injury. The results suggest that routine use of CT scanning may be an effective screening modality in the traumatized patient. It ...

journal_title：Journal of computer assisted tomography

authors： Druy EM,Rubin BE

更新日期：1979-02-01 00:00:00

abstract：:The magnetic resonance characteristics of 16 intracranial arachnoid cysts were evaluated and several features identified that allowed the differentiation from other cystic lesions. Uncomplicated arachnoid cyst contents respond like CSF to both T1 and T2 weighted sequences. Signal from the contiguous brain is of normal...

journal_title：Journal of computer assisted tomography

authors： Wiener SN,Pearlstein AE,Eiber A

更新日期：1987-03-01 00:00:00

abstract：:Abdominal and thoracic computed tomography examinations were abnormal in 23 of 57 patients (40.5%) with seminomatous and nonseminomatous testicular tumors. Lymph node metastases measuring less than 30 Hounsfield units (HU) occurred in 10 of these 23 patients (43.5%), five with seminoma, four with mixed germ cell tumor...

journal_title：Journal of computer assisted tomography

authors： Scatarige JC,Fishman EK,Kuhajda FP,Taylor GA,Siegelman SS

更新日期：1983-08-01 00:00:00

abstract：:The utility of gadolinium-enhanced ultrafast MR imaging in the diagnosis of focal nodular hyperplasia (FNH) of the liver was assessed in one patient. Contrast-enhanced serial snapshot-FLASH with a frequency of 30 images/min demonstrated the typical hemodynamic appearance of FNH known from CT studies. ...

journal_title：Journal of computer assisted tomography

authors： Urhahn R,Klose KC,Drobnitzky M

更新日期：1991-09-01 00:00:00

abstract：:Coronary artery disease is currently the largest killer in the western world, and is estimated to become the leading cause of death worldwide by the year 2020. The question therefore is whether magnetic resonance imaging currently has a place in the already extremely well equipped armamentarium of cardiac testing. Alt...

journal_title：Journal of computer assisted tomography

authors： Soman P,Bokor D,Lahiri A

更新日期：1999-11-01 00:00:00

abstract：OBJECTIVE:To determine the differences in enhancement of hepatocellular carcinoma during the first 5 minutes of postcontrast phases with gadoxetic acid (Gd-EOB-DTPA) vs gadobenate dimeglumine. METHODS:Ninety-five cirrhotic patients with hepatocellular carcinoma were examined on a 1.5-T scanner: 74 patients with Gd-BOP...

journal_title：Journal of computer assisted tomography

authors： Tirkes T,Mehta P,Aisen AM,Lall C,Akisik F

更新日期：2015-07-01 00:00:00

abstract：:Prior to the development of CT, cardiac and pericardiac masses were evaluated by chest roentgenography, angiocardiography, and echocardiography. In most cases preoperative diagnosis of a specific entity was impossible. Preoperative CT diagnosis of an intrapericardial developmental mass becomes possible because of the ...

journal_title：Journal of computer assisted tomography

authors： Moncada R,Baliga K,Moguillansky SJ,Subramanian R,Demos TC,Lozada C,Bianchi G,Ow EP

更新日期：1985-01-01 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：:We describe the case of a 50-year-old man with history of remote splenectomy who underwent routine lung cancer screening chest computed tomography and was incidentally found to have a liver lesion. Dedicated liver protocol computed tomography demonstrated "archiform" enhancement pattern in the arterial phase and homog...

journal_title：Journal of computer assisted tomography

authors： Varghese J,Bergson J,Yaipen O

更新日期：2018-09-01 00:00:00

abstract：OBJECTIVE:This study aimed to assess the prevalence and etiologies of focal liver opacification (FLO) in the setting of superior vena cava (SVC) obstruction. METHODS:An archival search using key words to identify patients with SVC obstruction or severe narrowing and who had computed tomographic scans with intravenous ...

journal_title：Journal of computer assisted tomography

authors： Siegel Y,Schallert E

更新日期：2013-09-01 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：BACKGROUND:The state-of-art motion correction algorithm is inadequate for correcting motion artifacts in coronary arteries in cardiovascular computed tomography angiography (CCTA) for children with high heart rates, and even less effective for heart structures beyond coronary arteries. PURPOSE:This study aimed to eval...

journal_title：Journal of computer assisted tomography

authors： Sun J,Okerlund D,Cao Y,Li H,Zhu Y,Li J,Peng Y

更新日期：2020-09-01 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：:The aim of this review was to review the basic background, technique, and clinical applications of arterial spin labeling in brain tumors. Arterial spin labeling is used for differentiation of brain tumors from nonneoplastic lesions such as infarction and infection. It has a role in the grading of gliomas and in the d...

journal_title：Journal of computer assisted tomography

authors： Abdel Razek AAK,Talaat M,El-Serougy L,Gaballa G,Abdelsalam M

更新日期：2019-07-01 00:00:00

abstract：PURPOSE:We assessed the accuracy of coronary computed tomography angiography (CTA) in patients with an Agatston calcium score (ACS) of greater than 400 by comparing it with invasive coronary angiography (ICA), and we evaluated the predictive value of CTA for obstructive coronary heart disease (CHD) compared with tradit...

journal_title：Journal of computer assisted tomography

authors： Ahn SJ,Kang DK,Sun JS,Yoon MH

更新日期：2013-05-01 00:00:00

abstract：:A 77-year-old man with loss of consciousness, circulatory collapse, and apnea caused by myocardial infarction underwent cardiopulmonary resuscitation with intratracheal intubation and manual bag ventilation. Computed tomography of the head demonstrated massive air embolism in the entire cerebral circulation. The patie...

journal_title：Journal of computer assisted tomography

authors： Yamaki T,Ando S,Ohta K,Kubota T,Kawasaki K,Hirama M

更新日期：1989-03-01 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:To acquire ultra high resolution MRI images of the human brain at 8 Tesla within a clinically acceptable time frame. METHOD:Gradient echo images were acquired from the human head of normal subjects using a transverse electromagnetic resonator operating in quadrature and tuned to 340 MHz. In each study, a group...

journal_title：Journal of computer assisted tomography

authors： Robitaille PM,Abduljalil AM,Kangarlu A

更新日期：2000-01-01 00:00:00

abstract：:A patient with a pancreatic body and tail mass caused by Castleman disease and visible on computed tomography is described. This entity simulated pancreatic carcinoma in this clinical setting. Theories of etiology of Castleman disease and differential diagnosis of pancreatic masses are discussed. Proper examination te...

journal_title：Journal of computer assisted tomography

authors： Lepke RA,Pagani JJ

更新日期：1982-12-01 00:00:00