Magnetic resonance imaging of the lymph nodes: comparison with CT.

abstract：PURPOSE:To determine whether the addition of color Doppler ultrasonography (US) to gray-scale US can help diagnose appendicitis in children. MATERIALS AND METHODS:One hundred children with suspected appendicitis were evaluated with gray-scale and color Doppler US scanning. Color Doppler US scans were considered positi...

journal_title：Radiology

authors： Quillin SP,Siegel MJ

更新日期：1994-05-01 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：:Epidemiologic data were obtained to evaluate potential risks from exposure to the static and time-varying magnetic fields used in magnetic resonance (MR) imaging. A questionnaire sent to women workers in more than 90% of clinical MR facilities in the United States addressed menstrual-reproductive experiences, work act...

journal_title：Radiology

authors： Kanal E,Gillen J,Evans JA,Savitz DA,Shellock FG

更新日期：1993-05-01 00:00:00

abstract：:Background Isocitrate dehydrogenase (IDH) mutation has become one of the most important prognostic biomarkers in glioma management. Measurement of 2-hydroxyglutarate (2HG) with MR spectroscopy has shown high pooled sensitivity, although false-positive results with MR spectroscopy have been reported. Purpose To investi...

journal_title：Radiology

authors： Suh CH,Kim HS,Paik W,Choi C,Ryu KH,Kim D,Woo DC,Park JE,Jung SC,Choi CG,Kim SJ

更新日期：2019-06-01 00:00:00

abstract：PURPOSE:To determine if the intradecidual sign at sonography is effective in the diagnosis of early intrauterine pregnancy. MATERIALS AND METHODS:In 102 pregnant patients, transvaginal sonography revealed an intrauterine fluid collection without a yolk sac or embryo. Four observers (experienced sonologist, body imagin...

journal_title：Radiology

authors： Laing FC,Brown DL,Price JF,Teeger S,Wong ML

更新日期：1997-09-01 00:00:00

abstract：:Fifteen cases of smooth muscle tumor of the alimentary tract were collected for analysis from several institutions. The findings showed that angiography is the best method available for diagnosis and evaluation of such tumors but is unable to differentiate benign from malignant lesions unless arterial invasion is dete...

journal_title：Radiology

authors： Uflacker R,Amaral NM,Lima S,Wholey M,Pereira EC,Nobrega Filho M,Tavares T

更新日期：1981-05-01 00:00:00

abstract：PURPOSE:To determine whether an expression vector that encodes for human tyrosinase, the key enzyme in the melanin production pathway, can be used to image gene expression with magnetic resonance (MR) imaging and scintigraphy. MATERIALS AND METHODS:Mouse fibroblasts and human embryonal kidney cells were transfected wi...

journal_title：Radiology

authors： Weissleder R,Simonova M,Bogdanova A,Bredow S,Enochs WS,Bogdanov A Jr

更新日期：1997-08-01 00:00:00

abstract：PURPOSE:To prospectively determine the magnetic resonance (MR) signal intensity characteristics of structures of the ampullary region and to assess the potential use of MR imaging in evaluation of the extent of periampullary tumors in resected specimens. MATERIALS AND METHODS:Twenty-five specimens from the ampullary r...

journal_title：Radiology

authors： Sugita R,Furuta A,Ito K,Fujita N,Ichinohasama R,Takahashi S

更新日期：2004-06-01 00:00:00

abstract：PURPOSE:To evaluate fluid-attenuated inversion-recovery (FLAIR) magnetic resonance (MR) imaging in a blinded reader study for the detection of proved subarachnoid space (SAS) disease. MATERIALS AND METHODS:FLAIR MR imaging was performed in 62 patients (21 with proved SAS or meningeal disease) and 41 control patients. ...

journal_title：Radiology

authors： Singer MB,Atlas SW,Drayer BP

更新日期：1998-08-01 00:00:00

abstract：PURPOSE:To retrospectively assess the apparent diffusion coefficient (ADC) for prediction of malignancy and prognosis of malignant astrocytic tumors. MATERIALS AND METHODS:The institutional review board approved this study and did not require patient informed consent. Findings from 37 consecutive patients (21 men, 16 ...

journal_title：Radiology

authors： Higano S,Yun X,Kumabe T,Watanabe M,Mugikura S,Umetsu A,Sato A,Yamada T,Takahashi S

更新日期：2006-12-01 00:00:00

abstract：:The Wiener spectra of five screen-film systems were studied as a function of monoenergetic x-ray energy. These spectra, in their low-frequency limits, were seen to depend linearly on x-ray energy. The Wiener spectra also decreased in magnitude as the incident x-ray energy exceeded that of the screen phosphor K absorpt...

journal_title：Radiology

authors： Vyborny CJ,Loo LN,Doi K

更新日期：1982-08-01 00:00:00

abstract：:Radiologically guided balloon catheters were used to dilate 94 gastrointestinal strictures in 92 patients over a 6-year period. Fifty strictures were esophageal and 44 nonesophageal (22 gastroenterostomies, 11 antral-pyloric strictures, four colorectal strictures, four enteroenterostomies, and three miscellaneous stri...

journal_title：Radiology

authors： McLean GK,Cooper GS,Hartz WH,Burke DR,Meranze SG

更新日期：1987-10-01 00:00:00

abstract：PURPOSE:To test an optimized functional magnetic resonance (MR) imaging procedure to depict the motor hand representation area (HRA) in patients with epilepsy lesions near the central sulcus. MATERIALS AND METHODS:Fast low-angle shot MR imaging was performed with an oblique single-section imaging technique in eight co...

journal_title：Radiology

authors： Achten E,Jackson GD,Cameron JA,Abbott DF,Stella DL,Fabinyi GC

更新日期：1999-02-01 00:00:00

abstract：PURPOSE:To analyze the clinical outcomes of chemoembolization for solitary caudate lobe hepatocellular carcinoma (HCC) found at initial presentation. MATERIALS AND METHODS:This retrospective study was approved by the institutional review board; the requirement for informed patient consent was waived. From July 1998 to...

journal_title：Radiology

authors： Kim HC,Chung JW,Jae HJ,Yoon JH,Lee JH,Kim YJ,Lee HS,Yoon CJ,Park JH

更新日期：2010-10-01 00:00:00

abstract：:Injection of fluid through catheters positioned selectively in arteries results in substantial increases in flow and pressure in those arteries for the duration of the injection. This produces certain artifacts which may lead to misinterpretation of the arteriograms. Apparent direction of flow in major vessels, extent...

journal_title：Radiology

authors： Levin DC

更新日期：1978-04-01 00:00:00

abstract：:Purpose To inform the management of fractured inferior vena cava filters on the basis of results from a tertiary referral center specializing in complex filter retrieval. Materials and Methods This study had institutional review board approval and was HIPAA compliant. Retrospective analysis of all patients with fractu...

journal_title：Radiology

authors： Trerotola SO,Stavropoulos SW

更新日期：2017-09-01 00:00:00

abstract：:Three cases of esophagitis caused by oral medication are reported: 2 were the result of prolonged use of quinidine tablets (producing focal subacute inflammation mimicking carcinoma in one and stricture in the other) and one occurred soon after ingestion of liquid KCl. Previous reports have implicated KCl tablets ("sl...

journal_title：Radiology

authors： Teplick JG,Teplick SK,Ominsky SH,Haskin ME

更新日期：1980-01-01 00:00:00

abstract：PURPOSE:To determine the value of parenchymal findings at contrast material-enhanced spiral computed tomography (CT) in patients suspected to have pulmonary embolism (PE). MATERIALS AND METHODS:Eighty-eight patients suspected to have PE underwent contrast-enhanced spiral CT and ventilation-perfusion scintigraphy. Conc...

journal_title：Radiology

authors： Coche EE,Müller NL,Kim KI,Wiggs BR,Mayo JR

更新日期：1998-06-01 00:00:00

abstract：PURPOSE:To determine whether liver tumor detection is increased by acquiring multiple dynamic arterial phase and portal venous phase magnetic resonance (MR) images. MATERIALS AND METHODS:Dynamic MR imaging was performed in 205 patients at 1.5 T with use of a fast spoiled gradient-echo technique (repetition time, 9-12 ...

journal_title：Radiology

authors： Peterson MS,Baron RL,Murakami T

更新日期：1996-11-01 00:00:00

abstract：PURPOSE:To test the hypothesis that whole-body metabolic tumor burden (MTBWB) on postsurgical fluorodeoxyglucose (FDG) positron emission tomographic (PET)/computed tomographic (CT) images in patients with non-small cell lung cancer (NSCLC) is associated with their overall survival (OS). MATERIALS AND METHODS:The insti...

journal_title：Radiology

authors： Zhang C,Liao C,Penney BC,Appelbaum DE,Simon CA,Pu Y

更新日期：2015-06-01 00:00:00

abstract：PURPOSE:To assess retrospectively the incidence, clinical features, and treatment of colonic perforation at computed tomographic (CT) colonography in a large multicenter cohort. MATERIALS AND METHODS:The study was performed in accordance with the institutional ethics committees' requirements of a retrospective review ...

journal_title：Radiology

authors： Sosna J,Blachar A,Amitai M,Barmeir E,Peled N,Goldberg SN,Bar-Ziv J

更新日期：2006-05-01 00:00:00

abstract：:Twenty rhesus monkeys had one kidney irradiated (after undergoing unilateral nephrectomies) with one of four doses: 960 or 1080 rads of 50 MeVd leads to Be neutrons, or 2350 or 2700 rads of 60Co. Whereas animals treated with the lower dose of neutrons or 60Co are alive with relatively normal renal function, those trea...

journal_title：Radiology

authors： Raulston GL,Gray KN,Gleiser CA,Jardine JH,Flow BL,Huchton JI,Bennett KR,Hussey DH

更新日期：1978-07-01 00:00:00

abstract：:Squamous cell carcinoma is aggressive, destroying surrounding bony margins. The radiographic finding of an expansile mass is rarely if ever caused solely by squamous cell carcinoma, and it should prompt the radiologist to question either the pathological diagnosis or the coexistence of a mucocele. Surgery prior to rad...

journal_title：Radiology

authors： Som PM,Shugar JM

更新日期：1980-07-01 00:00:00

abstract：:Background The Alberta Stroke Program Early CT Score (ASPECTS) evaluation is a qualitative method to evaluate focal hypoattenuation at brain CT in early acute stroke. However, interobserver agreement is only moderate. Purpose To compare ASPECTS calculated by using an automatic software tool to neuroradiologist evaluat...

journal_title：Radiology

authors： Maegerlein C,Fischer J,Mönch S,Berndt M,Wunderlich S,Seifert CL,Lehm M,Boeckh-Behrens T,Zimmer C,Friedrich B

更新日期：2019-04-01 00:00:00

abstract：PURPOSE:To show that benign asymmetric breast tissue detected mammographically may increase over time. MATERIALS AND METHODS:Serial mammograms obtained in 21 women with negative physical examination results and mammographically detected developing asymmetric breast tissue were reviewed, and findings were correlated wi...

journal_title：Radiology

authors： Piccoli CW,Feig SA,Palazzo JP

更新日期：1999-04-01 00:00:00

abstract：:Haglund syndrome is a common cause of posterior heel pain, characterized clinically by a painful soft-tissue swelling at the level of the achilles tendon insertion. On the lateral heel radiograph the syndrome is characterized by a prominent calcaneal bursal projection, retrocalcaneal bursitis, thickening of the Achill...

journal_title：Radiology

authors： Pavlov H,Heneghan MA,Hersh A,Goldman AB,Vigorita V

更新日期：1982-07-01 00:00:00

abstract：:Single and multiple dose-time fractionation schemes were investigated in patients with mycosis fungoides and lymphoma cutis. The single dose response shows that the disease-free interval is dose dependent. Remission rates are similar when the same total dose is given in either single treatments or multiple daily fract...

journal_title：Radiology

authors： Kim JH,Nisce LZ,D'Anglo GJ

更新日期：1976-05-01 00:00:00

abstract：:Abdominal computed tomography (CT) scans of 55 patients who had ingested Gastrografin (meglumine diatrizoate and diatrizoate sodium) diluted to 2% with tap water and flavored with a commercial fruit juice base were reviewed. Twenty patients (36%) demonstrated intraluminal precipitation of Gastrografin shown by focal a...

journal_title：Radiology

authors： Ball DS,Radecki PD,Friedman AC,Caroline DF,Mayer DP

更新日期：1986-01-01 00:00:00

abstract：PURPOSE:To retrospectively compare fusion fluorine 18 fluorodeoxyglucose (FDG) positron emission tomographic (PET)/computed tomographic (CT) imaging with CT imaging alone in the evaluation of yttrium 90 ((90)Y)-ibritumomab tiuxetan radioimmunotherapy treatment of B-cell non-Hodgkin lymphoma. MATERIALS AND METHODS:This...

journal_title：Radiology

authors： Ulaner GA,Colletti PM,Conti PS

更新日期：2008-03-01 00:00:00

abstract：:The year 2000 computer problem arises from a long-standing and often-duplicated computer programming error. Affected programs use only two digits to represent years, which may lead to a variety of computer malfunctions and data errors related to crossing from 1999 (99) to 2000 (00), at which point computers may interp...

journal_title：Radiology

authors： Berland LL

更新日期：1999-01-01 00:00:00