PET/MR images acquired with a compact MR-compatible PET detector in a 7-T magnet.

abstract：PURPOSE:To compare the long-term therapeutic outcomes of radiofrequency (RF) ablation for small perivascular hepatocellular carcinoma (HCC) and nonperivascular HCC. MATERIALS AND METHODS:This retrospective study was approved by the institutional review board. Between December 2004 and April 2008, 241 patients (175 men...

journal_title：Radiology

authors： Kang TW,Lim HK,Lee MW,Kim YS,Choi D,Rhim H

更新日期：2014-03-01 00:00:00

abstract：:High-resolution computed tomography (CT) was correlated with pulmonary function tests in the evaluation of regional emphysema in 59 smokers. The lung was divided into upper (above the carina tracheae) and lower (below the carina tracheae) zones, and the degree of emphysema was graded with a subjective and an objective...

journal_title：Radiology

authors： Gurney JW,Jones KK,Robbins RA,Gossman GL,Nelson KJ,Daughton D,Spurzem JR,Rennard SI

更新日期：1992-05-01 00:00:00

abstract：:Purpose To report the impact of changing from screen-film mammography to digital mammography (DM) in a large organized national screening program. Materials and Methods A retrospective analysis of prospectively collected annual screening data from 2009-2010 to 2015-2016 for the 80 facilities of the English National He...

journal_title：Radiology

authors： Blanks RG,Wallis MG,Alison R,Kearins O,Jenkins J,Patnick J,Given-Wilson RM

更新日期：2019-03-01 00:00:00

abstract：:Twenty-one bone marrow transplantation (BMT) patients were studied prospectively to determine the prevalence of sonographic hepatobiliary abnormalities and to determine if these abnormalities were associated with hepatic venocclusive disease (VOD). Baseline US was performed in all patients prior to chemoradiation ther...

journal_title：Radiology

authors： Hommeyer SC,Teefey SA,Jacobson AF,Higano CS,Bianco JA,Colacurcio CJ,McDonald GB

更新日期：1992-09-01 00:00:00

abstract：PURPOSE:To optimize detection and diagnosis of breast lesions with contrast-enhanced magnetic resonance (MR) imaging. MATERIALS AND METHODS:A three-dimensional fast low-angle shot pulse sequence was used for a group comparison consisting of 76 high-dose (0.16 mmol gadopentetate dimeglumine per kilogram of body weight)...

journal_title：Radiology

authors： Heywang-Köbrunner SH,Haustein J,Pohl C,Beck R,Lommatzsch B,Untch M,Nathrath WB

更新日期：1994-06-01 00:00:00

abstract：:In 16 consecutive patients, thrombosis, anastomotic and intragraft stenoses, and residual venous communications (arteriovenous fistulas [AVFs]), after in situ saphenous vein bypass of femoropopliteal and infrapopliteal arteries, were treated with interventional angiographic techniques. Streptokinase infusion for graft...

journal_title：Radiology

authors： Sniderman KW,Kalman PG,Shewchun J,Goldberg RE

更新日期：1989-03-01 00:00:00

abstract：:The authors conducted a multivariate analysis of the prognostic factors in 96 patients with early glottic cancer treated by radiation therapy. Of these, 73 had T1 and 23 had T2 tumor. The primary tumor was controlled in 82% of T1 and 74% of T2 lesions. Actuarial five-year survival rates were 87% for T1 and 74% for T2....

journal_title：Radiology

authors： Mantravadi RV,Liebner EJ,Haas RE,Skolnik EM,Applebaum EL

更新日期：1983-10-01 00:00:00

abstract：:The normal anatomy of the larynx and base of the tongue as seen on nuclear magnetic resonance (NMR) images was studied. Scans of normal volunteers were obtained using a 3.5 kilogauss (0.35 T) superconductive magnet and a 3.0 kilogauss (0.3 T) permanent magnet. The NMR images were compared with images obtained by CT an...

journal_title：Radiology

authors： Lufkin RB,Larsson SG,Hanafee WN

更新日期：1983-07-01 00:00:00

abstract：:Acentric chromosome fragments produced in cells by irradiation or other agents give rise to micronuclei in daughter cells. The micronuclei can be counted readily in large numbers of cells which provides a sensitive measure of chromosome aberrations. Previous studies have shown that the presence of contrast material en...

journal_title：Radiology

authors： Cochran ST,Khodadoust A,Norman A

更新日期：1980-07-01 00:00:00

abstract：:Twenty-three patients with hyperparathyroidism were evaluated preoperatively with magnetic resonance (MR) imaging. Twenty patients also underwent thallium-201/technetium-99m scintigraphy. Of 22 patients with primary hyperparathyroidism, 12 had persistent or recurrent disease. One had secondary hyperparathyroidism due ...

journal_title：Radiology

authors： Peck WW,Higgins CB,Fisher MR,Ling M,Okerlund MD,Clark OH

更新日期：1987-05-01 00:00:00

abstract：PURPOSE:To prospectively develop and evaluate the accuracy of a duplex Doppler ultrasonographic (US) index for predicting the presence or absence of esophageal varices in patients with compensated cirrhosis (Child-Pugh class A) by using endoscopy as the reference standard. MATERIALS AND METHODS:The study had instituti...

journal_title：Radiology

authors： Liu CH,Hsu SJ,Liang CC,Tsai FC,Lin JW,Liu CJ,Yang PM,Lai MY,Chen PJ,Chen JH,Kao JH,Chen DS

更新日期：2008-07-01 00:00:00

abstract：PURPOSE:To determine whether a 10-minute magnetic resonance (MR) imaging examination of the upper abdomen provides sufficiently comprehensive information to replace a longer MR protocol. MATERIALS AND METHODS:Images obtained with selected breathing-independent and breath hold MR sequences, with 2 minutes of total acqu...

journal_title：Radiology

authors： Semelka RC,Balci NC,Op de Beeck B,Reinhold C

更新日期：1999-04-01 00:00:00

abstract：PURPOSE:To assess the usefulness of sonography performed by radiologists after a review of the sonographer's findings. MATERIALS AND METHODS:A total of 398 sonograms were obtained in 392 patients. Sonographers presented preliminary images and impressions to radiologists, who performed additional imaging and recorded t...

journal_title：Radiology

authors： Tessler FN,Tublin ME,Peters JC,Jie T,Peters TL

更新日期：1996-05-01 00:00:00

abstract：PURPOSE:To evaluate the ability of magnetization transfer (MT) contrast-prepared magnetic resonance (MR) imaging to help distinguish healthy from cirrhotic liver by using a spectrum of MT pulse frequency offsets. MATERIALS AND METHODS:This HIPAA-compliant prospective study was approved by the institutional review boar...

journal_title：Radiology

authors： Rosenkrantz AB,Storey P,Gilet AG,Niver BE,Babb JS,Hajdu CH,Lee VS

更新日期：2012-01-01 00:00:00

abstract：PURPOSE:To prospectively assess quantitatively the inherent contrast of electromagnetic (EM) properties that can be imaged by using available technology in women with abnormal findings at conventional breast imaging who underwent subsequent biopsy. MATERIALS AND METHODS:The protocol was HIPAA compliant and approved by...

journal_title：Radiology

authors： Poplack SP,Tosteson TD,Wells WA,Pogue BW,Meaney PM,Hartov A,Kogel CA,Soho SK,Gibson JJ,Paulsen KD

更新日期：2007-05-01 00:00:00

abstract：PURPOSE:To develop and validate magnetic resonance (MR) imaging protocols for quantitative assessment of the structural and functional properties of the gastroesophageal junction (GEJ) and to compare MR imaging detection of reflux events against concurrent manometry as a reference method. MATERIALS AND METHODS:The loc...

journal_title：Radiology

authors： Curcic J,Fox M,Kaufman E,Forras-Kaufman Z,Hebbard GS,Roy S,Pal A,Schwizer W,Fried M,Treier R,Boesiger P

更新日期：2010-10-01 00:00:00

abstract：:The CT scans of 18 patients with documented pulmonary septic emboli were reviewed. CT features of septic emboli included multiple peripheral nodules ranging in size from 0.5 to 3.5 cm (15 of 18 patients [83%]), a feeding vessel sign (n = 12; [67%]), cavitation (n = 9; [50%]), wedge-shaped peripheral lesions abutting t...

journal_title：Radiology

authors： Kuhlman JE,Fishman EK,Teigen C

更新日期：1990-01-01 00:00:00

abstract：:The accumulation of technetium-99m diethylenetriamine pentaacetic acid (Tc-99m DTPA) in benign soft-tissue neurofibromatosis tumors is reported. In a series of 16 patients with clinical stigmata of neurofibromatosis, 28 sites of abnormal soft-tissue localization of the isotope observed scintigraphically were documente...

journal_title：Radiology

authors： Mandell GA,Herrick WC,Harcke HT,Sharkey C,Brooks KM,MacEwen GD

更新日期：1985-12-01 00:00:00

abstract：PURPOSE:To assess the diagnostic performance of various Doppler ultrasonographic (US) vascularity measures in conjunction with grayscale (GS) criteria in differentiating benign from malignant breast masses, by using histologic findings as the reference standard. MATERIALS AND METHODS:Institutional Review Board and HIP...

journal_title：Radiology

authors： LeCarpentier GL,Roubidoux MA,Fowlkes JB,Krücker JF,Hunt KA,Paramagul C,Johnson TD,Thorson NJ,Engle KD,Carson PL

更新日期：2008-11-01 00:00:00

abstract：PURPOSE:To evaluate the diagnostic performance of coronary computed tomographic (CT) angiography for the diagnosis of mitral valve prolapse (MVP). MATERIALS AND METHODS:The retrospective case-controlled multicenter study protocol was approved by the institutional review boards. The U.S. part of the study was HIPAA com...

journal_title：Radiology

authors： Feuchtner GM,Alkadhi H,Karlo C,Sarwar A,Meier A,Dichtl W,Leschka S,Blankstein R,Gruenenfelder J,Stolzmann P,Cury RC

更新日期：2010-02-01 00:00:00

abstract：PURPOSE:To assess the feasibility of percutaneous magnetic resonance (MR)-guided intramyocardial injection of gadodiamide by using real-time imaging and to quantify T1 values and the size of the enhanced region for different concentrations of contrast agent for 30 minutes after injection. MATERIALS AND METHODS:Animal ...

journal_title：Radiology

authors： Krombach GA,Pfeffer JG,Kinzel S,Katoh M,Günther RW,Buecker A

更新日期：2005-05-01 00:00:00

abstract：:Extracorporeal shock wave lithotripsy (ESWL), either alone or in combination with percutaneous or retrograde techniques, has rapidly become the procedure of choice for the treatment of intrarenal and upper ureteral calculi. Complications have been few so far and usually have been urinary obstructions or hemorrhages. M...

journal_title：Radiology

authors： Papanicolaou N,Stafford SA,Pfister RC,Althausen AF,Dretler SP

更新日期：1987-06-01 00:00:00

abstract：:Percutaneous transaxillary selective coronary arteriography using preshaped catheters is useful in patients who have had aorto-iliac surgery or have clinical evidence of occlusive arterial disease of the lower extremities. For safety and ease of performance it compares favorably with the percutaneous transfemoral meth...

journal_title：Radiology

authors： Brown OL

更新日期：1975-03-01 00:00:00

abstract：:A number of surgical clips and other metallic materials embedded within patients have ferromagnetic properties that present a potential hazard when in the strong fields associated with magnetic resonance imaging. Several types of magnetometers and metal detectors were investigated as possible pre-imaging screening dev...

journal_title：Radiology

authors： Finn EJ,Di Chiro G,Brooks RA,Sato S

更新日期：1985-07-01 00:00:00

abstract：:Patients who carry the BRCA1 and BRCA2 gene mutations have an underlying genetic predisposition for breast and ovarian cancers. These deleterious genetic mutations are the most common genes implicated in hereditary breast and ovarian cancers. This monograph summarizes the evidence behind current screening recommendati...

journal_title：Radiology

authors： Elezaby M,Lees B,Maturen KE,Barroilhet L,Wisinski KB,Schrager S,Wilke LG,Sadowski E

更新日期：2019-06-01 00:00:00

abstract：:Digital subtraction angiography (DSA) was used to study the cardiovascular system in more than 400 patients and was specifically compared with conventional angiography of the aorta and renal arteries in 30 patients. For the renal arteries, the overall accuracy of DSA was 71% (50/70). Excluding 11 cases of inadequate v...

journal_title：Radiology

authors： Buonocore E,Meaney TF,Borkowski GP,Pavlicek W,Gallagher J

更新日期：1981-05-01 00:00:00

abstract：PURPOSE:To evaluate efficacy and safety of a hydrodynamic rheolytic thrombectomy device for rapid percutaneous treatment of acute thromboembolic occlusions of native lower-extremity arteries and bypass grafts. MATERIALS AND METHODS:In 50 patients, thrombectomy was performed with the rheolytic catheter at four centers....

journal_title：Radiology

authors： Wagner HJ,Müller-Hülsbeck S,Pitton MB,Weiss W,Wess M

更新日期：1997-12-01 00:00:00

abstract：PURPOSE:To assess the usefulness of intraarterial computed tomographic (CT) angiography in conjunction with digital subtraction angiography (DSA) by using a combined CT and angiographic unit in the preoperative evaluation of intracranial aneurysms. MATERIALS AND METHODS:Prospectively, 22 patients with or without subar...

journal_title：Radiology

authors： Hirai T,Korogi Y,Ono K,Murata Y,Suginohara K,Omori T,Uemura S,Takahashi M

更新日期：2001-08-01 00:00:00

abstract：:During a 16-year period, 42,888 clinical and radiographic breast studies were performed on 8,000 women. Of this number, 1,161 malignant and 5,270 benign lesions were histologically confirmed. Biopsy of 468 of the 721 breasts that had clustered calcifications not associated with a mass and that were subject to a five- ...

journal_title：Radiology

authors： Egan RL,McSweeney MB,Sewell CW

更新日期：1980-10-01 00:00:00

abstract：PURPOSE:To compare the diagnostic accuracy of two-dimensional (2D) full-field digital mammography with that of two-view (mediolateral and craniocaudal) and single-view (mediolateral oblique) tomosynthesis in an observer study involving two institutions. MATERIALS AND METHODS:Ethical committee approval was obtained. Al...

journal_title：Radiology

authors： Wallis MG,Moa E,Zanca F,Leifland K,Danielsson M

更新日期：2012-03-01 00:00:00