Pulmonary nodules at chest CT: effect of computer-aided diagnosis on radiologists' detection performance.

abstract：:Purpose To investigate the feasibility of deformable, motion-coherent modeling based on electrocardiography-gated multidetector computed tomographic (CT) angiography of the thoracic aorta and to evaluate whether quantifiable information on aortic wall stress as a function of patient-specific cardiovascular parameters ...

journal_title：Radiology

authors： Mileto A,Heye TJ,Makar RA,Hurwitz LM,Marin D,Boll DT

更新日期：2016-07-01 00:00:00

abstract：PURPOSE:To measure both volume and signal intensity of the fetal lung at magnetic resonance (MR) imaging and to evaluate the clinical use of this method to predict fetal pulmonary hypoplasia. MATERIALS AND METHODS:A total of 87 fetuses evaluated with MR imaging at 24-39 weeks of gestation were classified into a contro...

journal_title：Radiology

authors： Osada H,Kaku K,Masuda K,Iitsuka Y,Seki K,Sekiya S

更新日期：2004-06-01 00:00:00

abstract：:CT scans of 87 patients with subdural hematoma were compared to those of 393 patients with midline shift caused by other intracranial lesions with regard to attenuation changes in the lesion and the character of the ventricular deformity. Isoattenuating was exhibited by 25% of the subdural hematomas and 5% of the othe...

journal_title：Radiology

authors： Möller A,Ericson K

更新日期：1979-01-01 00:00:00

abstract：:Purpose To study the feasibility and impact of respiratory gating in positron emission tomographic (PET) imaging in a clinical trial comparing conventional hardware-based gating with a data-driven approach and to describe the distribution of determined parameters. Materials and Methods This prospective study was appro...

journal_title：Radiology

authors： Büther F,Vehren T,Schäfers KP,Schäfers M

更新日期：2016-10-01 00:00:00

abstract：:Magnetic resonance line scan diffusion imaging of the brain, with diffusion weighting between 5 and 5,000 sec/mm(2), was performed in healthy subjects and patients with a 1.5-T machine. For each voxel, biexponential signal decay fits produced two apparent diffusion constants and respective signal amplitudes. Images ba...

journal_title：Radiology

authors： Maier SE,Bogner P,Bajzik G,Mamata H,Mamata Y,Repa I,Jolesz FA,Mulkern RV

更新日期：2001-06-01 00:00:00

abstract：PURPOSE:To quantify the effects of spiral computed tomographic (CT) acquisition parameters on the magnitude of three-dimensional (3D) rippling artifacts and polyp depiction. MATERIALS AND METHODS:An in vitro colon phantom was constructed with air-filled acrylic cylinders that contained synthetic polyps of 3-13 mm. The...

journal_title：Radiology

authors： Whiting BR,McFarland EG,Brink JA

更新日期：2000-10-01 00:00:00

abstract：PURPOSE:To assess interobserver agreement in the interpretation of digital subtraction angiographic (DSA) images and conventional angiograms in patients with nondiagnostic lung scans. MATERIALS AND METHODS:One hundred thirty of 397 consecutive patients (65 men, 65 women; mean age, 57 years; age range, 18-92 years) in ...

journal_title：Radiology

authors： van Beek EJ,Bakker AJ,Reekers JA

更新日期：1996-03-01 00:00:00

abstract：PURPOSE:To evaluate the effect of the increase in total cross-sectional area of arteries as they branch beyond the main trunks on the resistive index (RI) and early systolic acceleration (ESA). MATERIALS AND METHODS:An essentially noncompliant in vitro model that used a pulsatile pump, blood-mimicking fluid, and a bra...

journal_title：Radiology

authors： Bude RO,Rubin JM

更新日期：1999-09-01 00:00:00

abstract：PURPOSE:To investigate the effect of injection rate of contrast medium on aortic and hepatic peak enhancement at computed tomography. MATERIALS AND METHODS:Early pharmacokinetics of contrast enhancement was analyzed theoretically and simulated with a compartment model. Contrast enhancement curves were generated from t...

journal_title：Radiology

authors： Bae KT,Heiken JP,Brink JA

更新日期：1998-02-01 00:00:00

abstract：:The transjugular intrahepatic portosystemic shunt procedure is an effective intervention for patients with bleeding esophageal varices. Potential complications are numerous but rarely serious. A case of hemopericardium, cardiac tamponade, and death caused by perforation of the right atrium and aorta by a stent after e...

journal_title：Radiology

authors： Prahlow JA,O'Bryant TJ,Barnard JJ

更新日期：1997-10-01 00:00:00

abstract：:Purpose To compare lobar ventilation and apparent diffusion coefficient (ADC) values obtained with hyperpolarized xenon 129 (129Xe) magnetic resonance (MR) imaging to quantitative computed tomography (CT) metrics on a lobar basis and pulmonary function test (PFT) results on a whole-lung basis in patients with chronic ...

journal_title：Radiology

authors： Matin TN,Rahman N,Nickol AH,Chen M,Xu X,Stewart NJ,Doel T,Grau V,Wild JM,Gleeson FV

更新日期：2017-03-01 00:00:00

abstract：:Radiologists are frequently called upon to perform percutaneous biopsy. Selection of the proper needle is becoming more complex as the number of types increases and reports of better results with certain needles proliferate. The authors evaluated a wide variety of needles of different caliber, cutting tip, and bevel. ...

journal_title：Radiology

authors： Andriole JG,Haaga JR,Adams RB,Nunez C

更新日期：1983-09-01 00:00:00

abstract：PURPOSE:To establish whether early use of magnetic resonance (MR) imaging or computed tomography (CT) influences treatment and outcome of patients with low back pain (LBP) and whether it is cost-effective. MATERIALS AND METHODS:In a multicenter randomized study, two imaging policies for LBP were compared in 782 partic...

journal_title：Radiology

authors： Gilbert FJ,Grant AM,Gillan MG,Vale LD,Campbell MK,Scott NW,Knight DJ,Wardlaw D,Scottish Back Trial Group.

更新日期：2004-05-01 00:00:00

abstract：PURPOSE:To evaluate clinically suspected Morton neuroma with contrast material-enhanced magnetic resonance (MR) images. MATERIALS AND METHODS:Fifteen patients with clinically suspected Morton neuroma underwent examination with conventional T1- and T2-weighted MR imaging and a combination of fat suppression and adminis...

journal_title：Radiology

authors： Terk MR,Kwong PK,Suthar M,Horvath BC,Colletti PM

更新日期：1993-10-01 00:00:00

abstract：:Recent reports have indicated that non-contrast material-enhanced scans are of less value than urographic contrast material-enhanced studies in the computed tomographic (CT) evaluation of hepatic metastases. The authors retrospectively reviewed the CT scans of 28 patients with hypervascular liver metastases to determi...

journal_title：Radiology

authors： Bressler EL,Alpern MB,Glazer GM,Francis IR,Ensminger WD

更新日期：1987-01-01 00:00:00

abstract：PURPOSE:To investigate the challenges and benefits of magnetic resonance (MR) imaging during brain tumor resection. MATERIALS AND METHODS:A short-bore 1.5-T MR system equipped with echo-planar-capable gradients was used in resection of brain tumors in 30 patients. MR sequences and need for contrast material enhancemen...

journal_title：Radiology

authors： Martin AJ,Hall WA,Liu H,Pozza CH,Michel E,Casey SO,Maxwell RE,Truwit CL

更新日期：2000-04-01 00:00:00

abstract：PURPOSE:To assess magnetic resonance (MR) imaging of the right atrium by measuring volumes of right atrial casts and determining right atrial volume cycles in healthy subjects. MATERIALS AND METHODS:Fourteen human cadaveric atrial casts were imaged and right atrial volumes of eight subjects were measured with cardiac-...

journal_title：Radiology

authors： Järvinen VM,Kupari MM,Hekali PE,Poutanen VP

更新日期：1994-04-01 00:00:00

abstract：PURPOSE:To determine whether systematically evaluated criteria for probably benign lesions were actually applied to lesions placed into that category. MATERIALS AND METHODS:A search of the mammography database yielded 295 cases that were initially followed up with short-term interval mammography but eventually receive...

journal_title：Radiology

authors： Rosen EL,Baker JA,Soo MS

更新日期：2002-04-01 00:00:00

abstract：:A method to decrease the intensity of fat by reversal of the section-select gradient is demonstrated. This technique takes advantage of the chemical shift in section location. ...

journal_title：Radiology

authors： Gomori JM,Holland GA,Grossman RI,Gefter WB,Lenkinski RE

更新日期：1988-08-01 00:00:00

abstract：PURPOSE:To determine the efficacy and tolerance of ultrasonography (US)-guided percutaneous radiofrequency (RF) ablation with endocrine therapy in elderly patients with breast cancer who decline or are not candidates for surgery. MATERIALS AND METHODS:Internal ethics committee approval was obtained, and patients gave ...

journal_title：Radiology

authors： Palussière J,Henriques C,Mauriac L,Asad-Syed M,Valentin F,Brouste V,Mathoulin-Pélissier S,Tunon de Lara C,Debled M

更新日期：2012-08-01 00:00:00

abstract：:Of 293 patients who underwent computed tomography (CT), surgery, and pathologic examination for chronic sinusitis, 25 had a diagnosis of fungal sinusitis at pathologic examination. Of these, 22 had foci of increased attenuation at CT (in four patients the mean representative CT number [Hounsfied unit] was 122.2 HU [SD...

journal_title：Radiology

authors： Zinreich SJ,Kennedy DW,Malat J,Curtin HD,Epstein JI,Huff LC,Kumar AJ,Johns ME,Rosenbaum AE

更新日期：1988-11-01 00:00:00

abstract：:Preoperative B-mode ultrasonography was performed on 7 infants who subsequently were surgically proved to have multicystic kidney disease. Five of the 7 showed a characteristic pattern consisting of a predominantly cystic mass containing septa which divided it into cysts of varying sizes. It is concluded that ultrasou...

journal_title：Radiology

authors： Bearman SB,Hine PL,Sanders RC

更新日期：1976-03-01 00:00:00

abstract：PURPOSE:To retrospectively determine the frequency and severity of various abnormal laboratory test values following percutaneous cryoablation of liver tumors and to estimate the correlation between laboratory test values and tumor and ablation volumes. MATERIALS AND METHODS:This HIPAA-compliant study had institutiona...

journal_title：Radiology

authors： Nair RT,Silverman SG,Tuncali K,Obuchowski NA,vanSonnenberg E,Shankar S

更新日期：2008-07-01 00:00:00

abstract：:Purpose To evaluate whether dual-selectin-targeted US molecular imaging allows longitudinal monitoring of anti-inflammatory treatment effects in an acute terminal ileitis model in swine. Materials and Methods The Institutional Animal Care and Use Committee approved all animal studies. Fourteen swine with chemically in...

journal_title：Radiology

authors： Wang H,Hyvelin JM,Felt SA,Guracar I,Vilches-Moure JG,Cherkaoui S,Bettinger T,Tian L,Lutz AM,Willmann JK

更新日期：2018-10-01 00:00:00

abstract：:An unusual case of unintentional release of a spring coil into the superior mesenteric artery is reported. The coil migrated distally into the ileocolic artery, and the situation was successfully resolved by retrieval of the coil with grasping forceps. ...

journal_title：Radiology

authors： Vujic I,Moore L,McWey RE

更新日期：1986-08-01 00:00:00

abstract：:Balloon dilation is a well-described, nonoperative, alternative treatment for postoperative strictures of the colon and rectum. This procedure may not be technically feasible when an occluded lumen prevents passage of a guide wire across the obstruction. The authors describe the use of transrectal ultrasound guidance ...

journal_title：Radiology

authors： Eschelman DJ,Alexander AA,Goldstein SD,Shapiro MJ

更新日期：1993-11-01 00:00:00

abstract：:Large, multiloculated abscesses can be difficult to drain percutaneously. The authors describe a technique for disrupting septations within an abscess cavity to provide more complete and effective drainage. It has been successfully performed in four patients. ...

journal_title：Radiology

authors： Lieberman RP,Hahn FJ,Imray TJ,Phalen JT

更新日期：1986-12-01 00:00:00

abstract：PURPOSE:To evaluate the dimensions of specific white matter tracts in the brainstems (region of brain thought to be least affected) of children with holoprosencephaly by using diffusion tensor magnetic resonance (MR) imaging and to correlate these abnormalities with forebrain malformation severity and neurologic defici...

journal_title：Radiology

authors： Albayram S,Melhem ER,Mori S,Zinreich SJ,Barkovich AJ,Kinsman SL

更新日期：2002-06-01 00:00:00

abstract：:In 2 adults who had received thorotrast intravenously at ages 2 and 3 years, respectively, radiopaque outlines of their infantile vertebrae were seen in the adult vertebrae. Similar "ghosts" of the hemipelves were present in the pelvis of 1 patient. Autopsy findings and autoradiographs in 1 patient strongly suggest th...

journal_title：Radiology

authors： Teplick JG,Head GL,Kricun ME,Haskin ME

更新日期：1978-12-01 00:00:00

abstract：PURPOSE:To collect up-to-date data in healthy children to create a digital hand atlas (DHA) that can be used to evaluate, on the basis of the Greulich and Pyle atlas method, racial differences in skeletal growth patterns of Asian, African American, white, and Hispanic children in the United States. MATERIALS AND METHO...

journal_title：Radiology

authors： Zhang A,Sayre JW,Vachon L,Liu BJ,Huang HK

更新日期：2009-01-01 00:00:00