The target sign: a CT finding in tumors of the corpus callosum.

abstract：OBJECTIVE:To evaluate regional, remote, and global effects of percutaneous transluminal septal myocardial ablation (PTSMA) in hypertrophic obstructive cardiomyopathy (HOCM) using magnetic resonance (MR) imaging. METHODS:Twenty-one patients with HOCM underwent cine and delayed contrast-enhanced MR imaging. The regional...

journal_title：Journal of computer assisted tomography

authors： Amano Y,Takayama M,Kumita S,Kumazaki T

更新日期：2007-07-01 00:00:00

abstract：OBJECTIVE:The aims of this study were to describe the computed tomographic features of organizing pneumonia (OP) in an oncologic patient population and to also identify features associated with lung cancer and patients undergoing hematopoietic stem cell transplant (HSCT). METHODS:In retrospective computed tomographies...

journal_title：Journal of computer assisted tomography

authors： Long NM,Plodkowski AJ,Schor-Bardach R,Geyer AI,Zheng J,Moskowitz CS,Ginsberg MS

更新日期：2017-05-01 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：:Magnetic susceptibility variations due to the presence of iron in neural tissue can result in a shift of local resonance frequency, decreased T2 resulting from water diffusion through local field gradients, and line broadening due to field inhomogeneity within a voxel. In this study, modified spin echo phase contrast ...

journal_title：Journal of computer assisted tomography

authors： Wismer GL,Buxton RB,Rosen BR,Fisel CR,Oot RF,Brady TJ,Davis KR

更新日期：1988-03-01 00:00:00

abstract：:Bullous lung disease is known to be a risk factor for developing a bronchogenic carcinoma. In this article, computed tomography appearances of 20 patients with histologically proven bronchogenic carcinoma were reviewed retrospectively. On the basis of the previous literatures and our findings, the computed tomography ...

journal_title：Journal of computer assisted tomography

authors： Maki D,Takahashi M,Murata K,Sawai S,Fujino S,Inoue S

更新日期：2006-05-01 00:00:00

abstract：:Implementation of an accurate, reliable index of cost effectiveness would help to advance technology assessment and reimbursement of MR imaging procedures, including gadolinium enhancement. To this end, an objective, consensual measure that satisfies the need for "gold-standard" confirmation of diagnostic impressions ...

journal_title：Journal of computer assisted tomography

authors： Wolf GL

更新日期：1993-01-01 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：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：:A method for the production of thin axial transverse sections, coronal views, and sagittal views from overlapped thick computed tomography (CT) scans has been developed. Thin slices are produced by spatially filtering the overlapped CT data using a filter that is a combination of square waves in the spatial domain. Re...

journal_title：Journal of computer assisted tomography

authors： Correia JA,Davis KR,Kharasch M,Chesler DA,Taveras JM

更新日期：1980-02-01 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：OBJECTIVE:Homosexual men are at risk for a variety of infectious and neoplastic diseases of the anus and rectum, many of which have been reported in the radiologic literature. The purpose of this study was to describe the CT findings in homosexual men with squamous cell carcinoma of the anus and rectum, a topic that ha...

journal_title：Journal of computer assisted tomography

authors： Radin DR

更新日期：1994-11-01 00:00:00

abstract：OBJECTIVE:The purpose of this study is to evaluate predictive factors for discriminating benign from malignant intraductal mucin-producing neoplasm (IPMN) of the pancreas on multidetector row computed tomography (MDCT). MATERIALS AND METHODS:Fifty-three patients with IPMN underwent MDCT, and the imaging and pathologic...

journal_title：Journal of computer assisted tomography

authors： Takeshita K,Kutomi K,Takada K,Haruyama T,Fukushima J,Aida R,Takada T,Furui S

更新日期：2008-03-01 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:To determine the feasibility of diffusion-weighted magnetic resonance (MR) imaging (DWI) of uterine cervical cancer and to investigate whether the apparent diffusion coefficient (ADC) values of cervical cancer differ from those of normal cervix and whether they could indicate the histologic type and the patholo...

journal_title：Journal of computer assisted tomography

authors： Liu Y,Bai R,Sun H,Liu H,Wang D

更新日期：2009-11-01 00:00:00

abstract：PURPOSE:Quantitative measurement of change in brain size and shape (e.g., to estimate atrophy) is an important current area of research. New methods of change analysis attempt to improve robustness, accuracy, and extent of automation. A fully automated method has been developed that achieves high estimation accuracy. ...

journal_title：Journal of computer assisted tomography

authors： Smith SM,De Stefano N,Jenkinson M,Matthews PM

更新日期：2001-05-01 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：:This article reviews the value of magnetic resonance imaging (MRI) for the diagnosis of ovarian tumors especially when ultrasonography is indeterminate. Although ultrasonography is the first imaging technique used to investigate suspected pelvic masses, it has a limited capacity for tissue characterization. In additio...

journal_title：Journal of computer assisted tomography

authors： Bazot M,Daraï E,Nassar-Slaba J,Lafont C,Thomassin-Naggara I

更新日期：2008-09-01 00:00:00

abstract：OBJECTIVE:The prevalence and features of the thyroid pyramidal lobe (TPL) on computed tomography (CT) have been reported, but no ultrasound (US) study has been found. The purposes of the current study were to assess the sonographic prevalence and features of TPLs and to compare the US and CT parameters of TPLs. METHOD...

journal_title：Journal of computer assisted tomography

authors： Kim KS,Kim DW,Sung JY

更新日期：2014-05-01 00:00:00

abstract：:Osteoid osteoma is a benign osteoblastic tumor usually diagnosed by conventional radiography. Computed tomography can be used preoperatively to localize the nidus and avoid unnecessary or misdirected resection. In this report CT appearance of the nidus in osteoid osteoma versus sequestration in osteomyelitis is presen...

journal_title：Journal of computer assisted tomography

authors： Mahboubi S

更新日期：1986-05-01 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：:Idiopathic retroperitoneal fibrosis (IRF) is a rare condition of unknown etiology. An unusual case of IRF exclusively located at the peripancreatic area without extension below the lower renal poles is reported. ...

journal_title：Journal of computer assisted tomography

authors： Inaraja L,Franquet T,Caballero P,Encabo B,Humbert P

更新日期：1986-11-01 00:00:00

abstract：PURPOSE:To compare the efficacy and patient tolerance of iohexol and meglumine sodium diatrizoate as oral contrast agents for computed tomography (CT). SUBJECTS AND METHODS:One hundred patients were randomly assigned to drink 1000 mL of either meglumine sodium diatrizoate or iohexol 350 before their abdominopelvic CT ...

journal_title：Journal of computer assisted tomography

authors： Peterson CM,Lin M,Pilgram T,Heiken JP

更新日期：2011-03-01 00:00:00

abstract：OBJECTIVE:To assess the incidence and cause of discrepancies between coronary computed tomography angiography (CTA) and catheterization in a high-risk, diverse, predominantly overweight inner-city population. METHODS:Ninety-two patients who underwent coronary CTA and catheterization on March 2007 to December 2012 were...

journal_title：Journal of computer assisted tomography

authors： Steinberger S,Plodkowski AJ,Latson L,Levsky JM,Zalta B,Godelman A,Cohen HW,Haramati LB

更新日期：2017-01-01 00:00:00

abstract：PURPOSE:The clinical and imaging findings of children with Swyer-James-MacLeod syndrome (SJMS) were reviewed to determine the incidence and type of bronchiectasis and analyze whether the clinical course of patients with bronchiectasis differed from that of patients without bronchiectasis. METHOD:Our study population c...

journal_title：Journal of computer assisted tomography

authors： Lucaya J,Gartner S,García-Peña P,Cobos N,Roca I,Liñan S

更新日期：1998-07-01 00:00:00

abstract：:The authors describe a technique for automated analysis of lesions demonstrated by computed tomography. A seed circle may be superimposed on a lesion by an operator controlled program. By selecting density limits, the program will then automatically outline a particular area of abnormal density and calculate the stati...

journal_title：Journal of computer assisted tomography

authors： Hand WM,Wilk J,Huckman MS

更新日期：1977-07-01 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：:The CT appearance of hemiazygos continuation of a left-sided inferior vena cava is presented along with discussion of associated anomalies. ...

journal_title：Journal of computer assisted tomography

authors： Munechika H,Cohan RH,Baker ME,Cooper CJ,Dunnick NR

更新日期：1988-03-01 00:00:00

abstract：OBJECTIVE:The purpose of this study was to evaluate the Macklin effect in patients with spontaneous pneumomediastinum by multidetector-row computed tomography (MDCT). METHODS:Chest computed tomography (CT) reports between July 2000 and January 2003 at our institution were retrospectively reviewed. Nine patients with s...

journal_title：Journal of computer assisted tomography

authors： Sakai M,Murayama S,Gibo M,Akamine T,Nagata O

更新日期：2006-01-01 00:00:00

abstract：OBJECTIVE:To investigate potential risk factors for hemodynamic depression (HD) in elective carotid angioplasty with stenting (CAS) by using multidetector computed tomography (MDCT) angiographic findings and clinical data. METHODS:A retrospective study was conducted for 32 patients that underwent MDCT angiography befo...

journal_title：Journal of computer assisted tomography

authors： Hwang KW,Suh SI,Seo WK,Seol HY,Kim JH,Koh SB,Lee YH,Lee NJ,Kim JH

更新日期：2008-01-01 00:00:00

abstract：:Hepatic actinomycosis is an uncommon entity that forms communicating abscesses and fistulae. A case is presented in which findings on ultrasound, CT, and percutaneous injection of the abscess all reflected the pathologic process. Biopsy by thin-needle aspiration under CT guidance afforded prompt, accurate diagnosis an...

journal_title：Journal of computer assisted tomography

authors： Roesler PJ Jr,Wills JS

更新日期：1986-03-01 00:00:00