Hybrid PET/MR imaging of the heart: feasibility and initial results.

abstract：PURPOSE:To determine whether any initial reductions in cardiovascular reserve (CVR) normalize after carotid revascularization and-because reduced CVR represents a risk factor for ischemic events-whether patients who develop periinterventional infarction have more severely reduced pretreatment CVR than those who do not....

journal_title：Radiology

authors： Haller S,Bonati LH,Rick J,Klarhöfer M,Speck O,Lyrer PA,Bilecen D,Engelter ST,Wetzel SG

更新日期：2008-10-01 00:00:00

abstract：:Twenty cases of methadone-induced pulmonary edema confirmed by clinical, laboratory and roentgenographic findings were extensively reviewed and the roentgenographic manifestations defined in terms of patterns, distribution, and duration of the process. Drug tolerance is a major factor in determining the severity of to...

journal_title：Radiology

authors： Wilen SB,Ulreich S,Rabinowitz JG

更新日期：1975-01-01 00:00:00

abstract：PURPOSE:To determine if patients with multiple fluid collections need every collection aspirated and if cross-contamination is a risk if separate sterile procedures are not followed for each aspiration. MATERIALS AND METHODS:Records from 1,076 imaging-guided percutaneous aspirations and drainages over 39 months were r...

journal_title：Radiology

authors： Heneghan JP,Everts RJ,Nelson RC

更新日期：1999-09-01 00:00:00

abstract：:Magnetic resonance (MR) gated cardiac imaging was performed in ten subjects using a prototype 0.15-T resistive magnet imaging system. Volume and planar imaging techniques utilizing saturation recovery, proton Tl-weighted relaxation time pulse sequences produced images of the heart and great vessels with exquisite anat...

journal_title：Radiology

authors： Go RT,MacIntyre WJ,Yeung HN,Kramer DM,Geisinger M,Chilcote W,George C,O'Donnell JK,Moodie DS,Meaney TF

更新日期：1984-01-01 00:00:00

abstract：:The development and aging of four brain midline structures--the pituitary gland, pons, cerebellar vermis, and corpus callosum--were studied. The dimensions and area of these structures were measured by means of midsagittal magnetic resonance imaging. The study group consisted of 94 patients newborn to 15 years old and...

journal_title：Radiology

authors： Hayakawa K,Konishi Y,Matsuda T,Kuriyama M,Konishi K,Yamashita K,Okumura R,Hamanaka D

更新日期：1989-07-01 00:00:00

abstract：PURPOSE:To evaluate intra- and interobserver variability, as well as agreement for nodule size measurements on chest tomosynthesis and computed tomographic (CT) images. MATERIALS AND METHODS:The Regional Ethical Review Board approved this study, and all participants gave written informed consent. Thirty-six segmented ...

journal_title：Radiology

authors： Johnsson ÅA,Fagman E,Vikgren J,Fisichella VA,Boijsen M,Flinck A,Kheddache S,Svalkvist A,Båth M

更新日期：2012-10-01 00:00:00

abstract：:A prospective study was undertaken to establish the normal spectrum and timing of gadolinium-enhanced magnetic resonance (MR) imaging findings in 15 patients who had resolution of symptoms after successful lumbar disk surgery. Enhancement of the facet joints (in 88% of disk levels) and paraspinal muscles (100%) decrea...

journal_title：Radiology

authors： Boden SD,Davis DO,Dina TS,Parker CP,O'Malley S,Sunner JL,Wiesel SW

更新日期：1992-01-01 00:00:00

abstract：PURPOSE:To retrospectively evaluate the prevalence of neonatal intracranial hemorrhage (ICH) and its relationship to obstetric and neonatal risk factors. MATERIALS AND METHODS:Pregnant women were recruited for a prospective study of neonatal brain development; the study was approved by the institutional review board a...

journal_title：Radiology

authors： Looney CB,Smith JK,Merck LH,Wolfe HM,Chescheir NC,Hamer RM,Gilmore JH

更新日期：2007-02-01 00:00:00

abstract：:The authors evaluated the relative importance of the following scanning parameters at computed tomographic bronchoscopy in an anesthetized adult sheep's thorax: section thickness (2, 4, 8 mm), pitch (1.0, 1.5, 2.0), milliampere setting (100, 175, 250 mA), and overlap of reconstructed sections (0%, 25%, 50%, 75%). Five...

journal_title：Radiology

authors： Hopper KD,Iyriboz TA,Mahraj RP,Wise SW,Kasales CJ,TenHave TR,Wilson RP,Weaver JS

更新日期：1998-12-01 00:00:00

abstract：:Stitch granuloma is rarely a consideration in the differential diagnosis of stomach lesions. This report documents the occurrence of a granulomatous mass of gastric origin simulating an intramural tumor. ...

journal_title：Radiology

authors： Belleza NA,Lowman RM

更新日期：1978-04-01 00:00:00

abstract：:Twenty-six patients with an eqivocal portal defect on conventional nuclear images were evaluated with a multiplane tomographic nuclear scanner and gray scale ultrasound. In most cases the correct determination (normal or abnormal) for an area of decreased uptake could be made from the multiplane tomographic scans. Whe...

journal_title：Radiology

authors： Sample WF,Gray RK,Poe ND,Graham LS,Bennett LR

更新日期：1977-03-01 00:00:00

abstract：:Normal kidney length was measured on the excretory urogram in 262 children 0 to 14.5 years of age (422 kidneys). While mean values were similar to those in the literature, the standard deviation (0.785 cm) was much lower than that reported previously. ...

journal_title：Radiology

authors： Currarino G,Williams B,Dana K

更新日期：1984-03-01 00:00:00

abstract：:Fifty-one pediatric patients who were suspected of having central nervous system (CNS) tumors underwent magnetic resonance (MR) imaging using a 0.35 T Diasonics MT/S system. Pulse intervals (TR) ranged from 0.5 to 2.0 seconds with echo delays (TE) of 28 and 56 msec. The ability of MR and contrast-enhanced CT to detect...

journal_title：Radiology

authors： Kucharczyk W,Brant-Zawadzki M,Sobel D,Edwards MB,Kelly WM,Norman D,Newton TH

更新日期：1985-04-01 00:00:00

abstract：:Background Several changes have been made to the revised 2017 international consensus guidelines for management of pancreatic intraductal papillary mucinous neoplasms (IPMNs). However, the diagnostic performance is yet to be verified. Purpose To evaluate the revised guidelines for predicting malignant potential of pan...

journal_title：Radiology

authors： Lee JE,Choi SY,Min JH,Yi BH,Lee MH,Kim SS,Hwang JA,Kim JH

更新日期：2019-10-01 00:00:00

abstract：:Indium-111 (In-111) leukocyte scintigraphy was performed in two patients with postsurgical pseudoaneurysms as part of preoperative evaluation for evidence of graft infection. Despite positive In-111 uptake by the pseudoaneurysms, surgical and pathologic examinations failed to reveal any evidence of infection. The most...

journal_title：Radiology

authors： Gilbert BR,Cerqueira MD,Vea HW,Nelp WB

更新日期：1986-03-01 00:00:00

abstract：:A patent umbilical vein is a sonographic sign of portal hypertension. The specificity of the sign is not known. In a review of 12 patients with sonographically demonstrated patency of the umbilical vein, we found two patients in whom no clinical evidence existed to suggest the presence of portal hypertension. In six o...

journal_title：Radiology

authors： Saddekni S,Hutchinson DE,Cooperberg PL

更新日期：1982-11-01 00:00:00

abstract：PURPOSE:To clarify the magnetic resonance (MR) imaging characteristics of focal cortical dysplasia (FCD). MATERIALS AND METHODS:The authors reviewed the MR images of 14 patients with FCD, which was confirmed with histologic examination. RESULTS:MR images exhibited FCD in 13 of the 14 patients. All lesions were locali...

journal_title：Radiology

authors： Yagishita A,Arai N,Maehara T,Shimizu H,Tokumaru AM,Oda M

更新日期：1997-05-01 00:00:00

abstract：:Purpose To characterize intratumoral spatial heterogeneity at perfusion magnetic resonance (MR) imaging and investigate intratumoral heterogeneity as a predictor of recurrence-free survival (RFS) in breast cancer. Materials and Methods In this retrospective study, a discovery cohort (n = 60) and a multicenter validati...

journal_title：Radiology

authors： Wu J,Cao G,Sun X,Lee J,Rubin DL,Napel S,Kurian AW,Daniel BL,Li R

更新日期：2018-07-01 00:00:00

abstract：:In magnetic resonance (MR) imaging the distinction between vascular signal from flowing blood and thrombus of any nature is often difficult. Even though there are qualitative criteria to identify intravascular signal as coming from flowing blood, these can fail, and no definitive statement can be made on the nature of...

journal_title：Radiology

authors： von Schulthess GK,Augustiny N

更新日期：1987-08-01 00:00:00

abstract：:Thirty-five patients who were to undergo radiotherapy and 13 normal subjects were evaluated with taste questionnaires, taste acuity tests, and plasma zinc analyses. The studies were repeated on the patients in the fifth week of radiotherapy. The mean taste thresholds for NaCl (salt), sucrose (sweet), HCl (sour), and u...

journal_title：Radiology

authors： Bolze MS,Fosmire GJ,Stryker JA,Chung CK,Flipse BG

更新日期：1982-07-01 00:00:00

abstract：:A case of blind pouch formation presenting as gastrointestinal bleeding 23 years following side-to-side small bowel anastomosis to relieve obstruction is reported. Although rare, blind pouches may occasionally be encountered. Familiarity with the clinical and radiographic features can aid in a prompt and precise preop...

journal_title：Radiology

authors： Maglinte DD

更新日期：1979-08-01 00:00:00

abstract：:Twenty consecutive patients with known liver malignancies underwent ultrasonography (US) in conventional B mode and in pulse-inversion mode in the late hepatic-specific parenchymal phase after intravenous administration of SH U 508A, a microbubble US contrast agent. Two experienced readers assessed subjective and obje...

journal_title：Radiology

authors： Harvey CJ,Blomley MJ,Eckersley RJ,Cosgrove DO,Patel N,Heckemann RA,Butler-Barnes J

更新日期：2000-09-01 00:00:00

abstract：:Osteoid osteoma is a benign, self-limited tumor of bone that usually requires surgical excision for relief of pain and to prevent long-term consequences. Radio-frequency electrodes have been successfully and safely used to ablate small areas of the central nervous system and to perform ablation elsewhere in the body. ...

journal_title：Radiology

authors： Rosenthal DI,Alexander A,Rosenberg AE,Springfield D

更新日期：1992-04-01 00:00:00

abstract：:Arthrography is considered extremely safe since reactions to intraarticular contrast media are rare. We have only seen one severe complication in the performance of more than 2,000 arthrographic procedures. To determine the incidence of complications, a questionnaire was sent to 84 radiologists experienced in arthrogr...

journal_title：Radiology

authors： Newberg AH,Munn CS,Robbins AH

更新日期：1985-06-01 00:00:00

abstract：PURPOSE:To evaluate oxygen-enhanced T1-mapping magnetic resonance (MR) imaging as a noninvasive method for visualization and quantification of regional inflammation after segmental allergen challenge in asthmatic patients compared with control subjects. MATERIALS AND METHODS:After institutional review board approval, ...

journal_title：Radiology

authors： Renne J,Hinrichs J,Schönfeld C,Gutberlet M,Winkler C,Faulenbach C,Jakob P,Schaumann F,Krug N,Wacker F,Hohlfeld JM,Vogel-Claussen J

更新日期：2015-01-01 00:00:00

abstract：:The authors identified the origin of a high-density artifact with mammography film. An acrylic ramp phantom (thickness, 0-7 cm) was used to create a continuously variable radiation exposure. A perturbation in the curve of optical density versus position along the ramp was observed. Development of the film with the emu...

journal_title：Radiology

authors： Hedrick WR,Poulton TB,Starchman DE,Tobias TE

更新日期：1998-03-01 00:00:00

abstract：:Ventricular fibrillation thresholds were measured in anesthetized, closed-chest dogs during the injection of Renografin 76 or Conray 400 into the left coronary artery. Both agents significantly lowered fibrillation threshold--Renografin to 58 +/- 7%; Conray to 20 +/- 5% of control, respectively. The experimental metho...

journal_title：Radiology

authors： Wolf GL,Kraft L,Kilzer K

更新日期：1978-10-01 00:00:00

abstract：:Purpose To determine the correlation of the results of conventional B-mode ultrasonography (US) and compression sonoelastography with histologic results in common flexor tendons of the elbow in human cadavers. Materials and Methods Twenty-five common flexor tendons were evaluated in 16 fresh, unembalmed cadavers of 11...

journal_title：Radiology

authors： Klauser AS,Pamminger MJ,Halpern EJ,Abd Ellah MMH,Moriggl B,Taljanovic MS,Deml C,Sztankay J,Klima G,Gruber L,Jaschke WR

更新日期：2017-05-01 00:00:00

abstract：:Benign clear-cell tumor of the lung is a rare, distinctive, primary neoplasm with unique histologic and electron microscopic features which may resemble metastatic renal-cell carcinoma. This tumor typically presents as an asymptomatic, peripheral, sharply rounded mass in the lung. Clinical recognition can prevent an u...

journal_title：Radiology

authors： Harbin WP,Mark GJ,Greene RE

更新日期：1978-12-01 00:00:00

abstract：:The Kimray-Greenfield filter is a wire cage which is inserted into the inferior vena cava (IVC) to prevent thrombi originating in pelvic and leg veins from embolizing to the lungs. Duplex real-time/pulsed Doppler ultrasound was used to evaluate placement and function in 38 patients (46 examinations). Real-time examina...

journal_title：Radiology

authors： Pasto ME,Kurtz AB,Jarrell BE,Dubbins PA,Rifkin MD,Cole-Beuglet C,Baltarowich O,Goldberg BB

更新日期：1983-07-01 00:00:00