Intracranial fluid dynamics in normal and hydrocephalic states: systems analysis with phase-contrast magnetic resonance imaging.

abstract：OBJECTIVE:Fibrothecomas of the ovary are mesenchymal tumors representing 4-5% of all ovarian neoplasms. The purpose of this study is to describe a large series of CT findings in this type of tumor. MATERIALS AND METHODS:We reviewed retrospectively the CT examinations in 25 unilateral cases confirmed by surgery and pat...

journal_title：Journal of computer assisted tomography

authors： Bazot M,Ghossain MA,Buy JN,Deligne L,Hugol D,Truc JB,Poitout P,Vadrot D

更新日期：1993-09-01 00:00:00

abstract：OBJECTIVE:The purpose of this study was to define the range of abnormalities and to assess the contribution of high-resolution CT (HRCT) in the evaluation of miliary tuberculosis involving the lung parenchyma. MATERIALS AND METHODS:The authors retrospectively reviewed HRCT scans of 11 patients with microbiologically o...

journal_title：Journal of computer assisted tomography

authors： Oh YW,Kim YH,Lee NJ,Kim JH,Chung KB,Suh WH,Yoo SW

更新日期：1994-11-01 00:00:00

abstract：OBJECTIVE:This study aimed to evaluate the interobserver variability of right-to-left ventricular (RV/LV) diameter ratios on computed tomographic pulmonary angiographies at reduced tube potential. METHODS:Consecutive computed tomographic pulmonary angiographies performed at 80 kVp for subjects weighing less than 80 kg...

journal_title：Journal of computer assisted tomography

authors： George E,Hunsaker AR,Rybicki FJ,Kumamaru KK

更新日期：2013-09-01 00:00:00

abstract：:Primary adrenal lymphoma is extremely rare. We describe 2 patients who presented with adrenal insufficiency or fever 'of unknown origin. Conventional imaging studies demonstrated bilateral bulky adrenal masses, and whole-body FDG positron emission tomography- computed tomography showed that the masses were the unique ...

journal_title：Journal of computer assisted tomography

authors： Li Y,Sun H,Gao S,Bai R

更新日期：2006-09-01 00:00:00

abstract：:Renal cell carcinoma has a propensity to extend as tumor thrombus into the renal vein and inferior vena cava (IVC). The preoperative assessment for the presence and extent of renal vein and IVC tumor thrombus is important for planning appropriate surgical resection. Imaging procedures [CT, ultrasound (US), MR, venacav...

journal_title：Journal of computer assisted tomography

authors： Kallman DA,King BF,Hattery RR,Charboneau JW,Ehman RL,Guthman DA,Blute ML

更新日期：1992-03-01 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：:Computed tomography assessment of 634 surgically proven solitary pulmonary nodules included 12 pulmonary carcinoid tumors. Five were central (involving or directly abutting the bronchial tree), and seven were peripheral (surrounded by parenchyma). Three central and one peripheral lesion had CT numbers indicative of fo...

journal_title：Journal of computer assisted tomography

authors： Magid D,Siegelman SS,Eggleston JC,Fishman EK,Zerhouni EA

更新日期：1989-03-01 00:00:00

abstract：:We report a case of agenesis of dorsal pancreas diagnosed by CT. This anomaly can easily be confused with pancreas divisum on endoscopic retrograde cholangiopancreatography alone. ...

journal_title：Journal of computer assisted tomography

authors： Shah KK,DeRidder PH,Schwab RE,Alexander TJ

更新日期：1987-01-01 00:00:00

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：OBJECTIVE:Our goal was to assess the accuracy of estimating the time course of the arterial plasma concentration of meglumine iothalamate from cranial CT images of different vascular structures in the brain. MATERIALS AND METHODS:Dynamic CT studies of transcapillary transport in various brain lesions were analyzed. Va...

journal_title：Journal of computer assisted tomography

authors： Lapin GD,Allen CV,Groothuis DR

更新日期：1994-05-01 00:00:00

abstract：OBJECTIVE:This study is motivated by the possibility of using computed tomography (CT) to detect early coronary atherosclerosis by the increased CT values within the arterial wall resulting from vasa vasorum proliferation. METHODS:Coronary arteries (n = 5) with early atherosclerotic changes were injected with Microfil...

journal_title：Journal of computer assisted tomography

authors： Moritz R,Eaker DR,Langheinrich AC,Jorgensen SM,Bohle RM,Ritman EL

更新日期：2010-03-01 00:00:00

abstract：PURPOSE:X-Ray CT has the potential to provide precise and accurate data from which the mechanical properties of bone can be calculated. Such data would be useful in understanding the response of bone tissue to implants. Various artifacts can, however, degrade accuracy of the data. The aim of this study was to measure t...

journal_title：Journal of computer assisted tomography

authors： Sutherland CJ,Gayou DE

更新日期：1996-05-01 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：:Pick's disease is a rare cause of dementia. It often shows a characteristic pattern of atrophy affecting primarily the anterior portions of the frontal and temporal lobes. This pattern, as shown by computed tomography, may suggest the diagnosis. ...

journal_title：Journal of computer assisted tomography

authors： McGeachie RE,Fleming JO,Sharer LR,Hyman RA

更新日期：1979-02-01 00:00:00

abstract：OBJECTIVE:Prior work has described the relationship between pulmonary vascular pruning on computed tomography (CT) scans and metrics of right-sided heart dysfunction in smokers. In this analysis, we sought to look at pruning on a lobar level, as well as examine the effect of the arterial and venous circulation on this ...

journal_title：Journal of computer assisted tomography

authors： Rahaghi FN,Wells JM,Come CE,De La Bruere IA,Bhatt SP,Ross JC,Vegas-Sánchez-Ferrero G,Diaz AA,Minhas J,Dransfield MT,San José Estépar R,Washko GR,and the COPDGene Investigators.

更新日期：2016-11-01 00:00:00

abstract：:Eighteen patients with moyamoya disease were examined by computed tomography (CT). At the first examination, CT findings were normal in one patient and abnormal in 17 patients. Significant abnormalities on precontrast CT were characterized by low density lesions in 14, ventricular dilatation in 9, and cerebral atrophy...

journal_title：Journal of computer assisted tomography

authors： Takeuchi S,Kobayashi K,Tsuchida T,Imamura H,Tanaka R,Ito J

更新日期：1982-02-01 00:00:00

abstract：PURPOSE:To retrospectively investigate the effect of the section thickness used for quantifying dual-energy perfusion computed tomography (DEpCT) during 2- and 3-dimensional evaluation. METHODS:Sixty-six patients (22 males and 44 females; mean age, 59.3 years) suspected of having an acute pulmonary embolism underwent ...

journal_title：Journal of computer assisted tomography

authors： Nomura T,Okada M,Nakashima Y,Yonezawa T,Kudomi S,Kido S,Matsunaga N

更新日期：2014-11-01 00:00:00

abstract：PURPOSE:The graphical approach is widely used for the pixelwise determination of local metabolic rate of glucose from dynamic positron emission tomography (PET) data. In its conventional implementation, measured integrals over time frames are used to approximate instantaneous tracer concentrations at midframe times ("m...

journal_title：Journal of computer assisted tomography

authors： Buchert R,van den Hoff J,Mester J

更新日期：2003-07-01 00:00:00

abstract：:Two cases of von Recklinghausen neurofibromatosis (VRN) with thoracic and abdominal involvement are described. Computed tomography demonstrated the typical lesions of this disease: meningoceles, neurofibromas, and skeletal alterations. In both cases lesion morphology and location were similar and characteristic, in pa...

journal_title：Journal of computer assisted tomography

authors： Biondetti PR,Vigo M,Fiore D,De Faveri D,Ravasini R,Benedetti L

更新日期：1983-10-01 00:00:00

abstract：OBJECTIVE:This study aimed to assess the utility of dural thickening of the internal auditory canal (IAC) in patients with spontaneous intracranial hypotension (SIH) syndrome and determined the sensitivity and specificity of this image finding. METHODS:Magnetic resonance images were evaluated for 22 cases of definite ...

journal_title：Journal of computer assisted tomography

authors： Hori S,Taoka T,Miyasaka T,Ochi T,Sakamoto M,Wada T,Myochin K,Takayama K,Kichikawa K

更新日期：2016-03-01 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：: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：: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 (MR) cine display of flexion and extension (F/E) manoeuvres in the cervical spine has proved useful in the evaluation of cord compression due to bone and joint instability, spondylosis, and multiple tumours. It has advantages over X-ray F/E and CT myelography in that it is noninvasive and produc...

journal_title：Journal of computer assisted tomography

authors： Condon BR,Hadley DM

更新日期：1988-11-01 00:00:00

abstract：:Distinguishing juxtadiaphragmatic pleural and peritoneal fluid by computed tomography (CT) is sometimes difficult. We evaluated the distribution of fluid in 50 consecutive patients with pleural effusion or ascites or both. Juxtadiaphragmatic pleural fluid was nearly always found posteromedially, whereas peritoneal flu...

journal_title：Journal of computer assisted tomography

authors： Griffin DJ,Gross BH,McCracken S,Glazer GM

更新日期：1984-02-01 00:00:00

abstract：:Cervical spinal epidural hematoma is a rare cause of acute neurologic syndromes including paralysis of various types. Although devastating, it can be successfully treated surgically if recognized early. We report two cases of spontaneous cervical epidural hematoma diagnosed by computed tomography, the first with a pla...

journal_title：Journal of computer assisted tomography

authors： Haykal HA,Wang AM,Zamani AA,Rumbaugh CL

更新日期：1984-04-01 00:00:00

abstract：:We report a rare case of a bronchogenic cyst presenting as a pleural nodule. CT and MRI demonstrated a well circumscribed, homogeneous lesion located on the pleural surface apart from the mediastinum. It was proven to be a bronchogenic cyst localized between the parietal and visceral pleurae and connected with the med...

journal_title：Journal of computer assisted tomography

authors： Yoshioka N,Minami M,Inoue Y,Kawauchi N,Nakajima J,Oka T,Yoshikawa K,Ohtomo K

更新日期：2000-07-01 00:00:00

abstract：OBJECTIVE:To assess the accuracy of 64 multidetector-row computed tomography (MDCT) in the diagnosis and staging of gastric cancer. METHODS:This study was approved by the institutional review board, and the patients involved gave informed consent. Forty-four patients (34 men and 10 women; mean age, 57 years) with gast...

journal_title：Journal of computer assisted tomography

authors： Yang DM,Kim HC,Jin W,Ryu CW,Kang JH,Park CH,Kim HS,Jung DH

更新日期：2007-01-01 00:00:00

abstract：:Four patients with intracranial glioependymal cysts were evaluated in our institution in the last 7 years. All underwent surgical drainage and biopsy of the cyst wall. Cranial CT revealed a uniformly hypodense lesion with no contrast enhancement in all cases. Magnetic resonance imaging studies revealed a well defined ...

journal_title：Journal of computer assisted tomography

authors： Ismail A,Tampieri D,Melanson D,Pokrupa R,Villemure JG,Bertrand G

更新日期：1992-11-01 00:00:00

abstract：BACKGROUND:Neonatal hypoxic-ischemic encephalopathy (HIE) is associated with dysfunctional cerebral autoregulation. Resistive index (RI) measured in the anterior cerebral artery on transfontanellar head ultrasound is a noninvasive measure of blood flow and may indicate autoregulation dysfunction. We tested whether RI w...

journal_title：Journal of computer assisted tomography

authors： Snyder EJ,Perin J,Chavez-Valdez R,Northington FJ,Lee JK,Tekes A

更新日期：2020-09-01 00:00:00