MR imaging of Pelizaeus-Merzbacher disease.

abstract：INTRODUCTION:Patients with type II navicular ossicles have traditionally been considered to be symptomatic, whereas patients with type I and III bones are considered asymptomatic without additional relevant imaging findings. The main objective of this study is to investigate the association of type I os naviculare with...

journal_title：Journal of computer assisted tomography

authors： Gonzalez FM,Singer AD,Robertson DD,Chamieh J,Umpierrez M,Labib SA

更新日期：2020-11-01 00:00:00

abstract：:The objective of this study was to assess the efficacy of MR mammography (MRM) in evaluating breast cancer extent in women with fatty or dense breasts, and its contribution to the therapeutic approach. The authors reviewed 97 carcinomas detected in 93 women (both symptomatic and from screening) that were classified in...

journal_title：Journal of computer assisted tomography

authors： Echevarria JJ,Martín M,Saiz A,Imaz I,Férnandez-Ruanova B,Martín D,López-Ruiz JA

更新日期：2006-01-01 00:00:00

abstract：:A percutaneous adrenal biopsy under CT guidance is described. The biopsy was performed after injection of physiologic saline solution into the paravertebral space, creating a wider pathway for needle insertion. This technique has been previously reported for biopsy of thoracic lesions, but in our case it was used for ...

journal_title：Journal of computer assisted tomography

authors： Karampekios S,Hatjidakis AA,Drositis J,Gourtsoyiannis N

更新日期：1998-03-01 00:00:00

abstract：:Collagen vascular disease (CVD) can cause a variety of lung abnormalities, including usual interstitial pneumonia, nonspecific interstitial pneumonia, organizing pneumonia, diffuse alveolar damage, lymphoid interstitial pneumonia, bronchiectasis, constrictive bronchiolitis, follicular bronchiolitis, alveolar hemorrhag...

journal_title：Journal of computer assisted tomography

authors： Tanaka N,Newell JD,Brown KK,Cool CD,Lynch DA

更新日期：2004-05-01 00:00:00

abstract：:A 3% barium paste was used in the CT evaluation of 100 normal and 60 abnormal esophagi. Successful esophageal opacification occurred in 87% of both groups. In cases of extrinsic disease involving the esophagus the contrast medium administration assisted in separating the esophagus from adjacent mass lesions, as well a...

journal_title：Journal of computer assisted tomography

authors： Conces DJ Jr,Tarver RD,Lappas JC

更新日期：1988-03-01 00:00:00

abstract：OBJECTIVE:Formation mechanisms and treatment of the urinary stones are different, depending on their chemical structure. Therefore, determining the stone type plays a key role in planning treatment and preventive measures. Computed tomography (CT), with the use of dual-energy technology in recent years, has made it pos...

journal_title：Journal of computer assisted tomography

authors： Erdogan H,Temizoz O,Koplay M,Ozturk B

更新日期：2019-03-01 00:00:00

abstract：PURPOSE:The objectives of the study were to analyze the tumor shrinkage pattern on magnetic resonance imaging (MRI) after neoadjuvant chemotherapy and to evaluate whether there is any difference in shrinkage pattern between pathological responder and nonresponder groups. In addition, we wanted to compare tumor diameter...

journal_title：Journal of computer assisted tomography

authors： Kim TH,Kang DK,Yim H,Jung YS,Kim KS,Kang SY

更新日期：2012-03-01 00:00:00

abstract：PURPOSE:Pseudolesions are sometimes seen around the falciform ligament, around the gallbladder, or at the posterior edge of the medical segment on CT during arterial portography. The purpose of this study was to investigate the influence of liver cirrhosis on these pseudolesions. METHOD:The basis of this study was 33 ...

journal_title：Journal of computer assisted tomography

authors： Irie T,Tsushima Y,Terahata S,Hatsuse K,Kusano S

更新日期：1996-11-01 00:00:00

abstract：PURPOSE:The purpose of our study was to test dynamic helical CT (hCT) in the evaluation of breast tumors. METHOD:Thirty-six patients with 39 suspected lesions underwent breast hCT before and 1, 3, and 8 min after intravenous contrast medium administration. A marked enhancement (> or = 100%) at 1 or 3 min without incre...

journal_title：Journal of computer assisted tomography

authors： Sardanelli F,Calabrese M,Zandrino F,Melani E,Parodi R,Imperiale A,Massa T,Parodi G,Canavese G

更新日期：1998-05-01 00:00:00

abstract：PURPOSE:The objective of this study was to characterize cervical computed tomography (CT) findings in Kawasaki disease (KD) patients that may facilitate early diagnosis. METHODS:We retrospectively reviewed cervical CT images of 78 children with cervical lymphadenopathy to analyze the distribution and morphology of lym...

journal_title：Journal of computer assisted tomography

authors： Katsumata N,Aoki J,Tashiro M,Taketomi-Takahashi A,Tsushima Y

更新日期：2013-09-01 00:00:00

abstract：OBJECTIVES:This article describes magnetic resonance imaging (MRI) findings in 3 cases of atypical polypoid adenomyoma (APAM). METHODS:Clinical and MRI manifestations of 3 patients with APAM were evaluated. High b value diffusion-weighted and dynamic contrast-enhanced images were performed. The size, shape, site of or...

journal_title：Journal of computer assisted tomography

authors： Nakai G,Kitano R,Yamamoto K,Higashiyama A,Juri H,Tsuboyama T,Yamamoto K,Yamada T,Hirose Y,Ohmichi M,Narumi Y

更新日期：2015-01-01 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

abstract：PURPOSE:Our goal was to review the CT findings and to help define the role of CT in the evaluation of appendicitis in children. METHOD:Of 730 children with surgically proven appendicitis, 22 underwent preoperative CT evaluation. Their CT scans and operative and pathology records were retrospectively reviewed. The CT s...

journal_title：Journal of computer assisted tomography

authors： Jabra AA,Shalaby-Rana EI,Fishman EK

更新日期：1997-07-01 00:00:00

abstract：PURPOSE:The goal of our study was to examine the prevalence of multiple hypodense splenic nodules and their associated diagnoses and to correlate CT appearance with clinical presentation and diagnosis. METHOD:Records of all patients undergoing contrast-enhanced CT from July 1994 through September 1997 were reviewed. C...

journal_title：Journal of computer assisted tomography

authors： Warshauer DM,Molina PL,Worawattanakul S

更新日期：1998-09-01 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：OBJECTIVE:Among the various organs that may be affected by hereditary hemorrhagic telangiectasia (HHT), the liver can show various degrees of vascular and parenchymal involvement. The purpose of this prospective study comprising a large series of patients was to reassess the computed tomography (CT) features of hepatic...

journal_title：Journal of computer assisted tomography

authors： Ravard G,Soyer P,Boudiaf M,Terem C,Abitbol M,Yeh JF,Brouard R,Hamzi L,Rymer R

更新日期：2004-07-01 00:00:00

abstract：PURPOSE:The purpose of this work is to describe the CT and MR appearance of primary malignant fibrous histiocytoma (MFH) of the chest wall. METHOD:Eleven men and eight women (45-76 years old) with primary MFH of the chest wall who underwent both CT and MRI were enrolled, and the imaging interpretation was retrospectiv...

journal_title：Journal of computer assisted tomography

authors： Tateishi U,Kusumoto M,Hasegawa T,Yokoyama R,Moriyama N

更新日期：2002-07-01 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：PURPOSE:A new nonrigid registration method, designed to reduce the effect of movement artifact in subtraction images from breast MR, is compared with existing rigid and affine registration methods. METHOD:Nonrigid registration was compared with rigid and affine registration methods and unregistered images using 54 gad...

journal_title：Journal of computer assisted tomography

authors： Denton ER,Sonoda LI,Rueckert D,Rankin SC,Hayes C,Leach MO,Hill DL,Hawkes DJ

更新日期：1999-09-01 00:00:00

abstract：:Two cases demonstrating the computed tomographic appearance of azygos continuation of the inferior vena cava (IVC) are presented. One is associated with a retroaortic left renal vein and the other with a duplicated IVC. An enlarged azygos vein should not be confused with retrocrural lymphadenopathy or a mediastinal ma...

journal_title：Journal of computer assisted tomography

authors： Breckenridge JW,Kinlaw WB

更新日期：1980-06-01 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：:The effect of cardiac gating (CG) on the diagnostic quality of magnetic resonance images of the hilum and mediastinum was evaluated by comparing gated with nongated scans in 20 patients. The advantages of CG varied depending on the regions and structures under study and the presence and extent of disease. In general, ...

journal_title：Journal of computer assisted tomography

authors： Westcott JL,Henschke CI,Berkmen Y

更新日期：1985-11-01 00:00:00

abstract：:Dialysate leakage into subcutaneous tissues occurs not uncommonly in patients on continuous ambulatory peritoneal dialysis. When the leakage site cannot be localized clinically, CT with intraperitoneal contrast medium administration may localize the site. We report our experience with three cases in which this techniq...

journal_title：Journal of computer assisted tomography

authors： Brown DL,Johnson JB Jr,Kraus AP Jr,Duke RA,Barrett MR

更新日期：1987-03-01 00:00:00

abstract：OBJECTIVES:This study aimed to assess if dual-energy computed tomography (DECT) quantitative analysis and radiomics can differentiate normal liver, hepatic steatosis, and cirrhosis. MATERIALS AND METHODS:Our retrospective study included 75 adult patients (mean age, 54 ± 16 years) who underwent contrast-enhanced, dual-...

journal_title：Journal of computer assisted tomography

authors： Doda Khera R,Homayounieh F,Lades F,Schmidt B,Sedlmair M,Primak A,Saini S,Kalra MK

更新日期：2020-03-01 00:00:00

abstract：:We report a patient with gas in the pancreatic duct due to a gastropancreatic fistula resulting from gastric ulcer. No mass or pseudocyst was demonstrated. This entity should be considered when patients with gas in the pancreas are encountered. ...

journal_title：Journal of computer assisted tomography

authors： Hughes JJ,Blunck CE

更新日期：1987-07-01 00:00:00

abstract：:Nephrogenic systemic fibrosis (NSF) is a rare, idiopathic systemic fibrosing disorder that is predominantly characterized by a clinicopathologically distinct symmetric dermopathy and debilitating joint contractures. The condition affects patients with renal insufficiency and appears to show improvement with prompt res...

journal_title：Journal of computer assisted tomography

authors： Prasad SR,Jagirdar J

更新日期：2008-01-01 00:00:00

abstract：:Prenatal diagnosis of monoamnionicity is necessary for optimal care of a twin gestation. When the fetuses are discordant for a lethal anomaly, unequivocal confirmation is imperative. Ultrasound evaluation of our patient revealed a twin gestation discordant for anencephaly and with possible monoamnionicity. When sonogr...

journal_title：Journal of computer assisted tomography

authors： Wax JR,Smith JF,Floyd RC

更新日期：1994-01-01 00:00:00

abstract：:A case of isolated spinal cord hemangioblastoma with associated extensive syringohydromyelia, which was evaluated by myelography, postmyelographic CT, magnetic resonance (MR), and angiography is presented. The specific preoperative and postoperative advantages of MR are given as well as a brief review of the literatur...

journal_title：Journal of computer assisted tomography

authors： Kaffenberger DA,Shah CP,Murtagh FR,Wilson C,Silbiger ML

更新日期：1988-05-01 00:00:00

abstract：OBJECTIVE:To compare the 2-dimensional time of flight, the 3-dimensional time-resolved contrast-enhanced magnetic resonance (MR) angiography, and the 3-dimensional 3-station bolus chase contrast-enhanced MR angiography in assessing distal station atherosclerosis. METHODS:Two-dimensional time of flight, 3-dimensional t...

journal_title：Journal of computer assisted tomography

authors： Hahn WY,Hecht EM,Friedman B,Babb JS,Jacobowitz GR,Lee VS

更新日期：2007-01-01 00:00:00

abstract：:We report imaging findings in five patients who had sudden cardiac arrest during contrast-enhanced computed tomography (CT). We observed strikingly dense abdominal veins, variable degrees of arterial enhancement, and poor abdominal visceral enhancement. Comparison with a control group of 30 patients revealed a statist...

journal_title：Journal of computer assisted tomography

authors： Ko SF,Ng SH,Chen MC,Lee TY,Huang CC,Wan YL

更新日期：2003-01-01 00:00:00