Coronary artery stent patency assessed with in-stent contrast enhancement measured at multi-detector row CT angiography: initial experience.

abstract：:Purpose To evaluate the diagnostic accuracy of the quantitative parameter standardized uptake value (SUV) at single photon emission computed tomography (SPECT)/computed tomography (CT) for the evaluation of temporomandibular joint (TMJ) disorder (TMD). Materials and Methods This study was approved by the institutional...

journal_title：Radiology

authors： Suh MS,Lee WW,Kim YK,Yun PY,Kim SE

更新日期：2016-09-01 00:00:00

abstract：:Purpose To evaluate the frequency, patterns, and prognostic importance of metastatic hepatic involvement in serous ovarian cancer. Materials and Methods This institutional review board-approved retrospective study, with waived informed consent, included 244 patients with pathologically proven serous ovarian cancer (me...

journal_title：Radiology

authors： O'Neill AC,Somarouthu B,Tirumani SH,Braschi-Amirfarzan M,Van den Abbeele AD,Ramaiya NH,Shinagare AB

更新日期：2017-01-01 00:00:00

abstract：PURPOSE:To assess combined static-dynamic magnetic resonance (MR) urography in the evaluation of congenital urinary tract dilatation in infants and children. MATERIALS AND METHODS:Sixty-two patients with urinary tract dilatation underwent prospective examination with combined static-dynamic MR urography. A combination...

journal_title：Radiology

authors： Rohrschneider WK,Haufe S,Wiesel M,Tönshoff B,Wunsch R,Darge K,Clorius JH,Tröger J

更新日期：2002-09-01 00:00:00

abstract：PURPOSE:To determine the radiologic appearance of ganglioneuromas of the adrenal gland and extra-adrenal retroperitoneum. MATERIALS AND METHODS:A retrospective review was performed of imaging findings in nine patients with ganglioneuroma, two with ganglioneuroma-pheochromocytoma, and two with malignant peripheral nerv...

journal_title：Radiology

authors： Radin R,David CL,Goldfarb H,Francis IR

更新日期：1997-03-01 00:00:00

abstract：:Pressures were measured in the graft and the central vein during 104 consecutive angiographic examinations of failing hemodialysis grafts. Stenosis severity greater than 40% led to a statistically significant rise in graft pressure. In grafts in which all stenoses were of 40% or less severity, the systolic pressures i...

journal_title：Radiology

authors： Sullivan KL,Besarab A,Bonn J,Shapiro MJ,Gardiner GA Jr,Moritz MJ

更新日期：1993-03-01 00:00:00

abstract：PURPOSE:To assess the effect of commonly used computed tomographic (CT) section thicknesses on metastatic tumor measurements calculated with unidimensional, bidimensional, area, and volumetric methods. MATERIALS AND METHODS:Analysis and data collection were approved by the Institutional Review Board, with waived infor...

journal_title：Radiology

authors： Zhao B,Schwartz LH,Moskowitz CS,Wang L,Ginsberg MS,Cooper CA,Jiang L,Kalaigian JP

更新日期：2005-03-01 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：PURPOSE:To assess the diagnostic value of spinal ultrasonography (US) in pediatric patients. MATERIALS AND METHODS:The findings on 38 spinal US scans in 30 patients (mean age, 5.5 months) were compared with those of corresponding magnetic resonance (MR) images. RESULTS:MR imaging showed a normal spinal canal in 14 of...

journal_title：Radiology

authors： Rohrschneider WK,Forsting M,Darge K,Tröger J

更新日期：1996-08-01 00:00:00

abstract：PURPOSE:To prospectively determine the accuracy of combination positron emission tomography-computed tomography (PET/CT) in lymph node staging in patients with early-stage cervical cancer, with histopathologic results as the reference standard. MATERIALS AND METHODS:The study was institutional review board approved, a...

journal_title：Radiology

authors： Sironi S,Buda A,Picchio M,Perego P,Moreni R,Pellegrino A,Colombo M,Mangioni C,Messa C,Fazio F

更新日期：2006-01-01 00:00:00

abstract：:A method by which the tissue parameters - T1, T2, and proton density - can be measured simultaneously was used in 160 patients with brain tumors to test the complete potential of magnetic resonance (MR) imaging for quantitative tissue characterization. MR tissue parameters of a wide variety of tumors, edema, white mat...

journal_title：Radiology

authors： Just M,Thelen M

更新日期：1988-12-01 00:00:00

abstract：PURPOSE:To perform a meta-analysis of renal arterial stent placement in comparison with renal percutaneous transluminal angioplasty (PTA) in patients with renal arterial stenosis. MATERIALS AND METHODS:Studies dealing with renal arterial stent placement (14 articles; 678 patients) and renal PTA (10 articles; 644 patie...

journal_title：Radiology

authors： Leertouwer TC,Gussenhoven EJ,Bosch JL,van Jaarsveld BC,van Dijk LC,Deinum J,Man In 't Veld AJ

更新日期：2000-07-01 00:00:00

abstract：PURPOSE:To compare negative appendectomy and perforation rates in children who underwent ultrasonography (US), computed tomography (CT), or no imaging before urgent appendectomy. MATERIALS AND METHODS:All children who underwent urgent appendectomy during a 4(1/2)-year period were identified in a surgical billing datab...

journal_title：Radiology

authors： Applegate KE,Sivit CJ,Salvator AE,Borisa VJ,Dudgeon DL,Stallion AE,Grisoni ER

更新日期：2001-07-01 00:00:00

abstract：PURPOSE:To assess the outcome of interventional radiologic placement of tunneled hemodialysis catheters via the right internal jugular vein. MATERIALS AND METHODS:In 194 patients, the catheter was placed via the right internal jugular vein unless thrombosis was present. Real-time ultrasound-guided puncture and fluoros...

journal_title：Radiology

authors： Trerotola SO,Johnson MS,Harris VJ,Shah H,Ambrosius WT,McKusky MA,Kraus MA

更新日期：1997-05-01 00:00:00

abstract：PURPOSE:To establish the relationships between quantitative perfusion computed tomography (CT) parameters-specifically, primary tumor blood flow, blood volume, transit time, and permeability surface-area product-and immunohistologic markers of angiogenesis in colorectal cancer. MATERIALS AND METHODS:After institutiona...

journal_title：Radiology

authors： Goh V,Halligan S,Daley F,Wellsted DM,Guenther T,Bartram CI

更新日期：2008-11-01 00:00:00

abstract：:Positron emission tomography (PET) provides metabolic information that has been documented to be useful in patient care. The properties of positron decay permit accurate imaging of the distribution of positron-emitting radiopharmaceuticals. The wide array of positron-emitting radiopharmaceuticals has been used to char...

journal_title：Radiology

authors： Rohren EM,Turkington TG,Coleman RE

更新日期：2004-05-01 00:00:00

abstract：:A case is reported of a man with a solitary pulmonary nodule that had an average CT number of 366 HU. Biopsy of the lesion demonstrated a primary adenocarcinoma of the lung with diffuse calcification. It is concluded that high CT numbers of solitary nodules do not ensure a benign lesion. ...

journal_title：Radiology

authors： Goldstein MS,Rush M,Johnson P,Sprung CL

更新日期：1984-03-01 00:00:00

abstract：PURPOSE:Fast-neutron irradiation and boron-neutron capture therapy (BNCT) have been independently investigated as treatments for malignant disease. This study tested the feasibility of enhancing fast-neutron irradiation with concomitant BNCT. MATERIALS AND METHODS:Seventeen male Fisher rats, each weighing 180-200 g an...

journal_title：Radiology

authors： Buchholz TA,Rasey JS,Laramore GE,Livesey JC,Chin L,Risler R,Hamlin DK,Spence AM,Griffin TW

更新日期：1994-06-01 00:00:00

abstract：PURPOSE:To determine the feasibility of a statistical classification strategy (SCS) and the identity of metabolites of bacterial and host origins that potentially contributed to the most discriminatory regions of magnetic resonance (MR) spectra from Staphylococcus aureus abscesses of biopsy material from controls, glio...

journal_title：Radiology

authors： Himmelreich U,Accurso R,Malik R,Dolenko B,Somorjai RL,Gupta RK,Gomes L,Mountford CE,Sorrell TC

更新日期：2005-07-01 00:00:00

abstract：:Renal dynamic computed tomographic (CT) data for 16 patients with unilateral renal artery stenosis were compared with those for 12 control subjects. Three patterns of perfusion were distinguished in stenotic kidneys: pattern A, symmetric time-attenuation curves; pattern B, asymmetric time-attenuation curve with simila...

journal_title：Radiology

authors： Paul JF,Ugolini P,Sapoval M,Mousseaux E,Gaux JC

更新日期：2001-10-01 00:00:00

abstract：:The authors report their experience with magnetic resonance imaging (MR) in 20 patients with CT-proved lymphadenopathy of the abdomen and pelvis. Signal intensity from abnormal nodes was intermediate between fat and muscle (T1 longer than fat and muscle; T2 equal to or slightly shorter than fat but longer than muscle)...

journal_title：Radiology

authors： Lee JK,Heiken JP,Ling D,Glazer HS,Balfe DM,Levitt RG,Dixon WT,Murphy WA Jr

更新日期：1984-10-01 00:00:00

abstract：PURPOSE:To evaluate the diagnostic performance of contrast material-enhanced magnetic resonance (MR) angiography for preoperative detection and localization of accessory pudendal arteries (APAs) in patients with prostate cancer. MATERIALS AND METHODS:This prospective study was approved by the institutional review boar...

journal_title：Radiology

authors： Whang SY,Sung DJ,Lee SA,Park BJ,Kim MJ,Cho SB,Kim YH,Cheon J

更新日期：2012-03-01 00:00:00

abstract：:The ultrasonographic features of gastric wall lesions were studied in 40 patients and correlated with the CT findings in 14. Features diagnostic of tumor included (a) an infiltrative lesion causing thickening of the gastric wall, which can be localized or diffuse and smooth or irregular; (b) a globular mass, nodular o...

journal_title：Radiology

authors： Yeh HC,Rabinowitz JG

更新日期：1981-10-01 00:00:00

abstract：:Normal menisci may show transient distortion during knee arthrography. This usually results from intermittent visualization of the meniscus out of direct profile to the x-ray beam. Similar transient distortion may result from actual buckling of an anatomically normal meniscus during stressful maneuvers in young indivi...

journal_title：Radiology

authors： Hall FM

更新日期：1978-01-01 00:00:00

abstract：:The chronically dislocated hip of a 15-month-old girl was studied postmortem. The cartilaginous components of the pelvis (both true and false acetabula) and proximal femur were demonstrated roentgenographically and correlated with gross anatomical observations. These findings should be useful in the interpretation of ...

journal_title：Radiology

authors： Ogden JA,Jensen PS

更新日期：1976-04-01 00:00:00

abstract：:Pulmonary arteriography is an invasive but relatively safe diagnostic procedure. It is generally believed that the presence of pulmonary hypertension is one risk factor that increases the likelihood of a major complication. To assess the magnitude of risk, the reports on 1,434 patients who underwent pulmonary arteriog...

journal_title：Radiology

authors： Perlmutt LM,Braun SD,Newman GE,Oke EJ,Dunnick NR

更新日期：1987-01-01 00:00:00

abstract：PURPOSE:To prospectively investigate whether there is support for the hypothesis that clinically unrecognized myocardial infarctions (UMIs) detected at magnetic resonance (MR) imaging have an atherosclerotic pathogenesis similar to that of recognized myocardial infarctions (RMIs). MATERIALS AND METHODS:After ethics co...

journal_title：Radiology

authors： Ebeling Barbier C,Bjerner T,Hansen T,Andersson J,Lind L,Hulthe J,Johansson L,Ahlström H

更新日期：2007-10-01 00:00:00

abstract：:A prospective study was performed with 25 patients with ectopic pregnancies (EPs) who underwent treatment with transvaginal administration of methotrexate. Nineteen patients (76%) had positive responses to this treatment, and six (24%) had to undergo surgery: five because of increasing abdominal pain and one because o...

journal_title：Radiology

authors： Atri M,Bret PM,Tulandi T,Senterman MK

更新日期：1992-12-01 00:00:00

abstract：:The radiologic studies of 107 patients with pulsatile tinnitus or a vascular retrotympanic mass were retrospectively reviewed. Of the 100 patients with pulsatile tinnitus, 25 had objective tinnitus. A vascular tympanic membrane was present in 37 cases (35%). Normal vascular variants were present in 23 patients (21%). ...

journal_title：Radiology

authors： Remley KB,Coit WE,Harnsberger HR,Smoker WR,Jacobs JM,McIff EB

更新日期：1990-02-01 00:00:00

abstract：:Microwave radiometry is a passive and noninvasive technique that allows quick detection of subcutaneous temperature changes. The feasibility of this technique for differentiating normal intravenous infusions of radiographic contrast medium from extravasations of contrast medium was tested in anesthetized dogs. Room-te...

journal_title：Radiology

authors： Shaeffer J,Sigfred SV,Sevcik MA,Grabowy RS,Gemmell LA,Hirschman AD

更新日期：1992-07-01 00:00:00

abstract：:Computed tomography (CT) is the modality of choice for evaluation of pancreatic disease. In this prospective study, images obtained with spiral CT, which enables examination of a region of the body in a single breath-hold, were compared with those obtained by means of dynamic CT with automatic table incrementation in ...

journal_title：Radiology

authors： Dupuy DE,Costello P,Ecker CP

更新日期：1992-06-01 00:00:00