Small aorta: CT detection and clinical significance.

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: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：:Radiological findings in three cases of sigmoid colon carcinoma invading the urinary bladder are reported. An irregular spiculated margin or nodular indentations in region of bladder dome were seen on intravenous urography. A soft tissue mass contiguous with an irregularly thickened urinary bladder wall and a circumfe...

journal_title：Journal of computer assisted tomography

authors： Kim SH,Na DG,Choi BI,Han JK,Han MC

更新日期：1992-09-01 00:00:00

abstract：OBJECTIVE:To capture 3D shape variation of the levator ani during straining with open access MR imaging. METHODS:Optimal scan-planning based on statistical shape modeling is developed for recovering the entire 3D structure of the levator ani from a limited number of 2D imaging planes. Statistical shape modeling ensure...

journal_title：Journal of computer assisted tomography

authors： Lee SL,Horkaew P,Caspersz W,Darzi A,Yang GZ

更新日期：2005-03-01 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：:Takayasu arteritis is a chronic inflammatory disease of unknown origin. The disease is characterized by transmural inflammation and fibrosis; the arterial lesions affect mainly the aorta and great vessels and sometimes involve the pulmonary arteries and visceral vessels. Despite efforts to create criteria for clinical...

journal_title：Journal of computer assisted tomography

authors： Sewall LE,Saxon RR

更新日期：1995-11-01 00:00:00

abstract：:The magnetic resonance imaging (MRI) findings in 2 cases of ovarian cancer arising in an endometrioma are presented. In both cases, the cancer was evident as an enhancing mass within a blood-filled adnexal cyst. The MRI findings of an enhancing mass within a blood-filled adnexal cyst should prompt consideration of ova...

journal_title：Journal of computer assisted tomography

authors： Wu TT,Coakley FV,Qayyum A,Yeh BM,Joe BN,Chen LM

更新日期：2004-11-01 00:00:00

abstract：:Fast MR techniques and the application of water-soluble contrast agents allow the simultaneous examination of renal morphology and the functional aspects of glomerular filtration using bolus injections of Gd-DTPA. Spatial resolution is sufficient to resolve individual renal pyramids, but the quantitative examination o...

journal_title：Journal of computer assisted tomography

authors： von Schulthess GK,Kuoni W,Gerig G,Wüthrich R,Duewell S,Krestin G

更新日期：1991-09-01 00:00:00

abstract：:To explore the potential role of MRI in detecting cardiac allograft rejection in transplant recipients using gadolinium tetraazacyclododecane tetraacetic acid (Gd-DOTA) for contrast enhancement, we examined 7 normal healthy volunteers and 39 patients separated into three groups according to histological findings. Quan...

journal_title：Journal of computer assisted tomography

authors： Mousseaux E,Farge D,Guillemain R,Bruneval P,Vulser C,Couétil JP,Carpentier A,Gaux JC

更新日期：1993-03-01 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：OBJECTIVES:Pelvic organ prolapse is a common debilitating condition affecting women. Cross-sectional imaging with magnetic resonance imaging (MRI) depicts pelvic floor anatomy as well as organ prolapse and can complement or replace fluoroscopy. Occasionally, patients cannot tolerate MRI, but multiplanar visualization o...

journal_title：Journal of computer assisted tomography

authors： Pannu HK,Genadry R,Kaufman HS,Fishman EK

更新日期：2003-09-01 00:00:00

abstract：PURPOSE:First-pass perfusion magnetic resonance imaging (MRI) is a promising technique for detecting ischemic heart disease. However, the diagnostic value of the method is limited by the low spatial coverage, resolution, signal-to-noise ratio (SNR), and cardiac motion-related image artifacts. A combination of sliding w...

journal_title：Journal of computer assisted tomography

authors： Ge L,Kino A,Lee D,Dharmakumar R,Carr JC,Li D

更新日期：2010-09-01 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：:Neuroradiological findings in two cases of histologically confirmed intracranial sarcoidosis are presented, one with periaqueductal granulomata causing aqueduct obstruction. The granulomatous aggregation was of slightly greater attenuation than normal brain parenchyma and did enhance homogeneously following contrast m...

journal_title：Journal of computer assisted tomography

authors： Kumpe DA,Rao CV,Garcia JH,Heck AF

更新日期：1979-06-01 00:00:00

abstract：OBJECTIVE:To compare examination volume and diagnostic yield of computed tomography (CT) pulmonary angiography (CTPA) and ventilation-perfusion (V/Q) scintigraphy for detection of suspected pulmonary embolism (PE) in emergency department patients. METHODS:Every CTPA and V/Q scan result for emergency department patient...

journal_title：Journal of computer assisted tomography

authors： Donohoo JH,Mayo-Smith WW,Pezzullo JA,Egglin TK

更新日期：2008-05-01 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：:Mucinous cystadenocarcinoma (MCA) is a rare tumor that is considered to be a cystic variant of mucin-producing lung adenocarcinoma. MCA expands grossly by storing mucus and contains few neoplastic cells. We present the CT images of three patients with MCA and correlate them with pathologic specimens. The CT findings o...

journal_title：Journal of computer assisted tomography

authors： Gaeta M,Blandino A,Scribano E,Ascenti G,Minutoli F,Pandolfo I

更新日期：1999-07-01 00:00:00

abstract：:We present a hemorrhagic adrenal adenoma surrounding and encompassing adjacent retroperitoneal fat to simulate the appearance of a myelolipoma by CT. A well-defined fibrous capsule, punctate calcification, and several macroscopic foci of fat within the mass led to an erroneous preoperative diagnosis. Lesions displayin...

journal_title：Journal of computer assisted tomography

authors： Rhodes RE,Gaede JT,Meyer GA

更新日期：1992-03-01 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：PURPOSE:The goal of our study was to assess the prevalence of pseudolesion in segment IV of the liver on MRI in patients with and without liver cirrhosis. METHOD:Patients were divided into three groups: 10 patients with angiographically confirmed aberrant gastric venous drainage and liver cirrhosis (Group 1), 250 cons...

journal_title：Journal of computer assisted tomography

authors： Ueda K,Matsui O,Kadoya M,Yoshikawa J,Gabata T,Takahashi S,Kawamori Y,Takashima T

更新日期：1999-01-01 00:00:00

abstract：PURPOSE:To investigate the apparent diffusion coefficients (ADCs) of the normal uterine zonal structures (myometrium, endometrium, and junctional zone) during different phases of the menstrual cycle among premenopausal women with different age groups. MATERIALS AND METHODS:Magnetic resonance (MR) images of 67 healthy ...

journal_title：Journal of computer assisted tomography

authors： Kuang F,Ren J,Huan Y,Chen Z,Zhong Q

更新日期：2012-01-01 00:00:00

abstract：PURPOSE:Phase-contrast cine magnetic resonance imaging (PC-MRI) is a widely used technique for determination of possible communication of arachnoid cysts (ACs). Three-dimensional (3D) sampling perfection with application-optimized contrasts using different flip-angle evolutions (3D-SPACE) technique is a relatively new ...

journal_title：Journal of computer assisted tomography

authors： Algin O

更新日期：2018-09-01 00:00:00

abstract：PURPOSE:Information regarding prostate blood flow as determined by positron emission tomography (PET) with H 0 may provide useful information about tumor diagnosis; however, PET requires a cyclotron for the production of an extremely short half-life (2 minutes) tracer. Therefore, the aim of this study was to propose a ...

journal_title：Journal of computer assisted tomography

authors： Muramoto S,Uematsu H,Sadato N,Tsuchida T,Matsuda T,Hatabu H,Yonekura Y,Itoh H

更新日期：2002-07-01 00:00:00

abstract：:We conducted a prospective evaluation of the normal vermiform appendix in 203 patients. Conventional CT techniques were utilized with an 8 mm slice thickness and 10 mm slice interval. The normal appendix was definitely identified in 51% of the patients studied. Computed tomographic appearance of the normal appendix is...

journal_title：Journal of computer assisted tomography

authors： Grosskreutz S,Goff WB 2nd,Balsara Z,Burkhard TK

更新日期：1991-07-01 00:00:00

abstract：OBJECTIVE:The objective of this study was to compare image quality for abdominal computed tomographic (CT) images acquired at 200 and 50 mA s and reconstructed with image-based iterative reconstruction. MATERIALS AND METHODS:In this institutional review board-approved prospective study, 22 patients (mean [SD] age, 64....

journal_title：Journal of computer assisted tomography

authors： Pourjabbar S,Singh S,Singh AK,Johnston RP,Shenoy-Bhangle AS,Do S,Padole A,Blake MA,Persson A,Kalra MK

更新日期：2014-01-01 00:00:00

abstract：OBJECTIVE:The dimensions of the optic nerves, chiasm, and tracts were determined in normal patients and in patients with clinical evidence of optic atrophy to establish whether there was a significant difference between the two groups. MATERIALS AND METHODS:The authors analyzed thin section coronal MRI of 110 patients...

journal_title：Journal of computer assisted tomography

authors： Parravano JG,Toledo A,Kucharczyk W

更新日期：1993-09-01 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：OBJECTIVE:We aim to determine the relationship between leukoaraiosis and carotid artery stenosis. METHODS:Carotid-cerebral multislice computed tomography angiographies of 194 patients (mean age, 63.5 years) were retrospectively evaluated. Presence and severity of leukoaraiosis and carotid artery stenosis were compared...

journal_title：Journal of computer assisted tomography

authors： Demirtaş H,Özkaynak C,Durmaz MS

更新日期：2013-05-01 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：OBJECTIVE:Our retrospective study was performed to reassess the common dynamic CT manifestations of cystic tumors of the pancreas and to determine whether they might allow the differentiation between benign and malignant tumors. MATERIALS AND METHODS:Dynamic CT examinations of 19 patients with 20 cystic tumors of the ...

journal_title：Journal of computer assisted tomography

authors： Soyer P,Rabenandrasana A,Van Beers B,Barge J,Sibert A,Laissy JP,Achour E,Levesque M

更新日期：1994-05-01 00:00:00