A comparison of the effects of 50 MeVd leads to be neutron and cobalt-60 irradiation of the kidneys of rhesus monkeys.

abstract：:Primary and secondary lung malignancies are often treated with surgery. Many patients are poor surgical candidates owing to advanced age or medical comorbidities. Alternatives to surgery for localized disease include radiation therapy and the newer treatments known as image-guided thermal ablation. Image-guided therma...

journal_title：Radiology

authors： Dupuy DE

更新日期：2011-09-01 00:00:00

abstract：PURPOSE:To investigate the histopathologic anatomy of calcium pyrophosphate dihydrate (CPPD) crystal deposition in and around the atlantoaxial joint and the association between CPPD crystal deposition and subchondral cysts, erosions, and fracture involving the odontoid process of the axis. MATERIALS AND METHODS:One ad...

journal_title：Radiology

authors： Kakitsubata Y,Boutin RD,Theodorou DJ,Kerr RM,Steinbach LS,Chan KK,Pathria MN,Haghighi P,Resnick D

更新日期：2000-07-01 00:00:00

abstract：:Parathyroid scintigraphy using a double-tracer (T1-201, Tc-99m) subtraction technique depicted 17 of 23 (74%) parathyroid adenomas in patients with and without previous neck operations. High-resolution (10-MHz) ultrasound (US) depicted 18 (78%) of these adenomas. Average tumor size depicted by US was 17 X 10 X 8 mm (e...

journal_title：Radiology

authors： Gooding GA,Okerlund MD,Stark DD,Clark OH

更新日期：1986-10-01 00:00:00

abstract：:Twenty patients with multiple or recurrent superficial head and facial cancer were treated with low-megavoltage electron-beam therapy, using a readily adaptable polystyrene shield assembly with interchangeable collimators. Patient set-up times were reduced, treatment was simplified, and flexibility of therapy was achi...

journal_title：Radiology

authors： Johnson TS,Garciga CE,Feldman ME,Holcomb MH

更新日期：1975-06-01 00:00:00

abstract：:Thirty-five patients with suspected internal derangements of the knee were examined with conventional two-dimensional (2D) spin-echo magnetic resonance (MR) imaging techniques and a new rapid three-dimensional (3D) method called 3D FASTER (field echo acquisition with a short repetition time and echo reduction). A 9-mi...

journal_title：Radiology

authors： Harms SE,Flamig DP,Fisher CF,Fulmer JM

更新日期：1989-12-01 00:00:00

abstract：PURPOSE:To identify computed tomographic (CT) findings that are associated with the effectiveness of nonsurgical treatment in patients with adhesive small-bowel obstruction ( SBO small-bowel obstruction ) that was initially treated medically. MATERIALS AND METHODS:The local institutional review board approved this ret...

journal_title：Radiology

authors： Millet I,Ruyer A,Alili C,Curros Doyon F,Molinari N,Pages E,Zins M,Taourel P

更新日期：2014-11-01 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：:Ten ureteral strictures that developed in nine patients after renal transplantation were managed with balloon catheter dilation and placement of a ureteral stent. Four strictures were successfully dilated (40%), with a follow-up of 15-42 months (mean, 29 months). Comparison of these cases with the six cases of unsucce...

journal_title：Radiology

authors： Kim JC,Banner MP,Ramchandani P,Grossman RA,Pollack HM

更新日期：1993-03-01 00:00:00

abstract：PURPOSE:To assess changes in the magnetic resonance (MR) appearance of the spine in patients with multiple myeloma who responded to chemotherapy. MATERIALS AND METHODS:Twenty patients with multiple myeloma underwent MR imaging of the spine before and after chemotherapy. Sagittal T1-weighted images were obtained before...

journal_title：Radiology

authors： Moulopoulos LA,Dimopoulos MA,Alexanian R,Leeds NE,Libshitz HI

更新日期：1994-11-01 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：: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 evaluate the accuracy of transvaginal ultrasound (US) and gadolinium-enhanced magnetic resonance (MR) imaging in the assessment of the intratumoral structure of an adnexal mass. MATERIALS AND METHODS:The population comprised 82 patients with an adnexal mass who underwent both transvaginal US and gadolinium-...

journal_title：Radiology

authors： Komatsu T,Konishi I,Mandai M,Togashi K,Kawakami S,Konishi J,Mori T

更新日期：1996-01-01 00:00:00

abstract：PURPOSE:To evaluate the potential of quantitative susceptibility (QS) and R2* mapping as surrogate biomarkers of clinically relevant, age-adjusted demyelination and iron deposition in multiple sclerosis (MS). MATERIALS AND METHODS:All study participants gave written informed consent, and the study was approved by the ...

journal_title：Radiology

authors： Rudko DA,Solovey I,Gati JS,Kremenchutzky M,Menon RS

更新日期：2014-09-01 00:00:00

abstract：:The authors reviewed 100 randomized controlled trials (RCTs) conducted in humans to compare safety or efficacy of new low-osmolality contrast media (LOM) with that of high-osmolality contrast media (HOM). Findings of the 43 RCTs judged to be of the highest quality suggest that the efficacy of LOM in imaging is equal o...

journal_title：Radiology

authors： Kinnison ML,Powe NR,Steinberg EP

更新日期：1989-02-01 00:00:00

abstract：PURPOSE:To determine the value of magnetic resonance (MR) imaging in predicting resectability of head and neck neoplasms around the carotid arteries. MATERIALS AND METHODS:Forty-nine patients (28 male patients and 21 female patients aged 17-79 years; mean, 57.3 years) with head and neck masses and clinical evidence of...

journal_title：Radiology

authors： Yousem DM,Hatabu H,Hurst RW,Seigerman HM,Montone KT,Weinstein GS,Hayden RE,Goldberg AN,Bigelow DC,Kotapka MJ

更新日期：1995-06-01 00:00:00

abstract：:Purpose To determine the feasibility of using intraesophageal radiofrequency (RF) hyperthermia to enhance local chemotherapy in a rat model with orthotopic esophageal squamous cancers. Materials and Methods The animal protocol was approved by the institutional animal care and use committee and the institutional review...

journal_title：Radiology

authors： Shi Y,Zhang F,Bai Z,Wang J,Qiu L,Li Y,Meng Y,Valji K,Yang X

更新日期：2017-01-01 00:00:00

abstract：:The authors describe their experience with methyl tertiary butyl ether (MTBE) in a larger series of patients than previously reported in order to acquaint physicians with both its effectiveness for dissolution of common bile duct calculi and the limitations of its use. Ten patients with 13 biliary calculi underwent pe...

journal_title：Radiology

authors： Brandon JC,Teplick SK,Haskin PH,Sammon JK,Muhr WF,Hofmann AF,Gambescia RA,Zitomer N

更新日期：1988-03-01 00:00:00

abstract：:Magnetic resonance (MR) imaging was performed in 58 children aged 1 day to 17 years. In 43 patients with suspected renal abnormalities, the results of MR were compared with those obtained by ultrasonography, computed tomography, or excretory urography. The remaining 15 children with no known renal disease were initial...

journal_title：Radiology

authors： Dietrich RB,Kangarloo H

更新日期：1986-04-01 00:00:00

abstract：:Preliminary work has shown that normal lungs have predictable CT patterns and density ranges. In emphysema, there are irregular zones of extremely low density as well as an overall low mean density. CT appears to have considerable potential for early detection of pulmonary emphysema and characterization of the degree ...

journal_title：Radiology

authors： Rosenblum LJ,Mauceri RA,Wellenstein DE,Bassano DA,Cohen WN,Heitzman ER

更新日期：1978-11-01 00:00:00

abstract：:With a standard, image-intensifier-based, digital radiographic system, high-spatial-resolution images of the hand were acquired for analysis of phalangeal bone mineral density with dual x-ray absorptiometry (DXA). Results with phalangeal DXA had precision of plus or minus 0.67% and accuracy of 4.1% and correlated well...

journal_title：Radiology

authors： Gulam M,Thornton MM,Hodsman AB,Holdsworth DW

更新日期：2000-08-01 00:00:00

abstract：PURPOSE:To comprehensively assess thoracic anatomy and pulmonary microcirculation in pulmonary embolism by using computed tomographic (CT) angiography of the pulmonary arteries combined with functional CT imaging of blood flow. MATERIALS AND METHODS:Twenty-two patients suspected of having acute pulmonary embolism unde...

journal_title：Radiology

authors： Schoepf UJ,Bruening R,Konschitzky H,Becker CR,Knez A,Weber J,Muehling O,Herzog P,Huber A,Haberl R,Reiser MF

更新日期：2000-12-01 00:00:00

abstract：PURPOSE:To prospectively evaluate the feasibility of magnetic resonance (MR) coronary artery imaging and to define myocardial damage with late-enhancement myocardial MR imaging in children who underwent arterial switch surgery for transposition of the great arteries. MATERIALS AND METHODS:The local research ethics com...

journal_title：Radiology

authors： Taylor AM,Dymarkowski S,Hamaekers P,Razavi R,Gewillig M,Mertens L,Bogaert J

更新日期：2005-02-01 00:00:00

abstract：:A case of tuberculosis mimicking carcinoma in the distal colon is reported. The difficulty in diagnosing a solitary tuberculous colonic lesion, a review of the literature, and a differential diagnosis are presented. ...

journal_title：Radiology

authors： McDonald JB,Middleton PJ

更新日期：1976-02-01 00:00:00

abstract：PURPOSE:To describe the placement of a nasolacrimal polyurethane stent with a new introducer set and hook. MATERIALS AND METHODS:The authors designed a soft polyurethane stent, an introducer that does not require balloon dilation, and a hook that can remove a ball-tipped guide wire from the inferior nasal meatus under...

journal_title：Radiology

authors： Song HY,Jin YH,Kim JH,Huh SJ,Kim YH,Kim TH,Sung KB

更新日期：1995-01-01 00:00:00

abstract：PURPOSE:To measure the radiologic characteristics of subtle lung nodules and develop nodule phantoms that simulate these characteristics. MATERIALS AND METHODS:From a database of chest radiographs, 16 radiographs that showed confirmed subtle lung nodules were selected. The optical density values surrounding each nodul...

journal_title：Radiology

authors： Samei E,Flynn MJ,Eyler WR

更新日期：1997-01-01 00:00:00

abstract：PURPOSE:To investigate the correlation between magnetic resonance (MR) imaging findings and pathologic subtype classification of hepatocellular adenoma (HCA). MATERIALS AND METHODS:This retrospective study was approved by the institutional review board, and the requirement for informed consent was waived. MR imaging s...

journal_title：Radiology

authors： van Aalten SM,Thomeer MG,Terkivatan T,Dwarkasing RS,Verheij J,de Man RA,Ijzermans JN

更新日期：2011-10-01 00:00:00

abstract：PURPOSE:To retrospectively evaluate interobserver variability between breast radiologists by using terminology of the fourth edition of the Breast Imaging Reporting and Data System (BI-RADS) to categorize lesions on mammograms and sonograms and to retrospectively determine the positive predictive value (PPV) of BI-RADS...

journal_title：Radiology

authors： Lazarus E,Mainiero MB,Schepps B,Koelliker SL,Livingston LS

更新日期：2006-05-01 00:00:00

abstract：:Sports-related muscle pain is frequent in both trained and untrained persons; however, its severity and significance may be difficult to assess clinically. The authors used magnetic resonance (MR) imaging to evaluate acute strains and delayed-onset muscle soreness in sedentary subjects and postmarathon myalgia in trai...

journal_title：Radiology

authors： Fleckenstein JL,Weatherall PT,Parkey RW,Payne JA,Peshock RM

更新日期：1989-09-01 00:00:00

abstract：:To investigate spatial resolution requirements for digitized portal images in radiation therapy, observer performance tests were performed. One hundred twenty portal images were digitized with sampling frequencies of 0.700, 0.350, and 0.175 mm for observation. Receiver operating characteristic analysis was used to det...

journal_title：Radiology

authors： Okajima K,Nagata Y,Mitsumori M,Ishigaki T,Kimura I,Nakano Y,Minato K,Komori M,Sato K,Takahashi T

更新日期：1992-05-01 00:00:00

abstract：:An 8-F guiding catheter has been developed for use with coaxial angioplasty balloon catheters in angioplasty of the femoral artery from the contralateral approach when antegrade puncture of the ipsilateral femoral artery is not possible. The catheter may be used for angioplasty of the femoral artery bifurcation and th...

journal_title：Radiology

authors： Kaufman SL

更新日期：1990-11-01 00:00:00