Musculoskeletal tumors: T1 and T2 relaxation times.

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：:Substantial technologic advances in radiation treatment planning and delivery have made possible exquisite tailoring of three-dimensional radiation dose distributions that conform to the tumor treatment volume while avoiding adjacent normal tissues. Although such highly precise treatment can increase the therapeutic r...

journal_title：Radiology

authors： Terezakis SA,Heron DE,Lavigne RF,Diehn M,Loo BW Jr

更新日期：2011-10-01 00:00:00

abstract：:In 15 osteosarcomas and six Ewing sarcomas, response to preoperative chemotherapy was assessed with magnetic resonance (MR) imaging without and with gadolinium diethylenetriaminepentaacetic acid (DTPA) enhancement and with dynamic Gd-DTPA studies, and the results were compared with the scintigraphic findings. All stud...

journal_title：Radiology

authors： Erlemann R,Sciuk J,Bosse A,Ritter J,Kusnierz-Glaz CR,Peters PE,Wuisman P

更新日期：1990-06-01 00:00:00

abstract：:Background Intimate partner violence (IPV) is a global social and public health problem, but published literature regarding the exacerbation of physical IPV during the coronavirus disease 2019 (COVID-19) pandemic is lacking. Purpose To assess the incidence, patterns, and severity of injuries in IPV victims during the ...

journal_title：Radiology

authors： Gosangi B,Park H,Thomas R,Gujrathi R,Bay CP,Raja AS,Seltzer SE,Balcom MC,McDonald ML,Orgill DP,Harris MB,Boland GW,Rexrode K,Khurana B

更新日期：2021-01-01 00:00:00

abstract：:The concept of diffusion magnetic resonance (MR) imaging emerged in the mid-1980s, together with the first images of water diffusion in the human brain, as a way to probe tissue structure at a microscopic scale, although the images were acquired at a millimetric scale. Since then, diffusion MR imaging has become a pil...

journal_title：Radiology

authors： Iima M,Le Bihan D

更新日期：2016-01-01 00:00:00

abstract：PURPOSE:To evaluate the accuracy of scintimammography as an adjunct to physical examination and mammography in the detection of breast cancer in women with dense and fatty breasts. MATERIALS AND METHODS:A total of 558 women were prospectively enrolled from 42 centers in North America. Images were interpreted by reader...

journal_title：Radiology

authors： Khalkhali I,Baum JK,Villanueva-Meyer J,Edell SL,Hanelin LG,Lugo CE,Taillefer R,Freeman LM,Neal CE,Scheff AM,Connolly JL,Schnitt SJ,Houlihan MJ,Sampalis JS,Haber SB

更新日期：2002-01-01 00:00:00

abstract：:A 2-year-old girl with cyanotic congenital heart disease needed to undergo gastrostomy. To avoid the use of general anesthesia, a percutaneous gastrostomy was performed as an interventional radiologic procedure with the patient under sedation and with the use of local anesthesia. The placement of a nasogastrocutaneous...

journal_title：Radiology

authors： Keller MS,Lai S,Wagner DK

更新日期：1986-07-01 00:00:00

abstract：:Capabilities of computed tomography (CT) and magnetic resonance (MR) imaging in the diagnosis of cerebellopontine angle-petromastoid (CPA-PM) lesions were compared in 75 patients. CT and MR demonstrated 95.8% and 98.7% of the lesions, respectively. MR was often more helpful for characterization of neuromas, epidermoid...

journal_title：Radiology

authors： Gentry LR,Jacoby CG,Turski PA,Houston LW,Strother CM,Sackett JF

更新日期：1987-02-01 00:00:00

abstract：:Purpose The Radiological Society of North America (RSNA) Pediatric Bone Age Machine Learning Challenge was created to show an application of machine learning (ML) and artificial intelligence (AI) in medical imaging, promote collaboration to catalyze AI model creation, and identify innovators in medical imaging. Materi...

journal_title：Radiology

authors： Halabi SS,Prevedello LM,Kalpathy-Cramer J,Mamonov AB,Bilbily A,Cicero M,Pan I,Pereira LA,Sousa RT,Abdala N,Kitamura FC,Thodberg HH,Chen L,Shih G,Andriole K,Kohli MD,Erickson BJ,Flanders AE

更新日期：2019-02-01 00:00:00

abstract：:Krypton-81m, an inert, radioactive gas with a physical half-life of 13 seconds was used to evaluate regional lung ventilation in 25 pediatric patients. The results suggest that Kr-81m has several advantages over previous methods employing xenon-133. These include: more favorable physical characteristics for imaging wi...

journal_title：Radiology

authors： Li DK,Treves S,Heyman S,Kirkpatrick JA Jr,Lambrecht RM,Ruth TJ,Wolf AP

更新日期：1979-03-01 00:00:00

abstract：PURPOSE:To correlate the histologic structure and echotexture of peripheral nerves and verify if ultrasound (US) findings can be used to differentiate nerve from tendon. MATERIALS AND METHODS:In an in vitro study, the echotexture of normal peripheral nerves was correlated with the histologic findings. In an in vivo st...

journal_title：Radiology

authors： Silvestri E,Martinoli C,Derchi LE,Bertolotto M,Chiaramondia M,Rosenberg I

更新日期：1995-10-01 00:00:00

abstract：:Various whole-body, multiple-field, electron-beam therapy techniques are analyzed. Accelerator characteristics, various dosimetric techniques, and experimental setup are described. A flattening filter was constructed which produced an uncollimated electron-beam profile (4 MeV) with a uniformity of +/- 8% across a 200-...

journal_title：Radiology

authors： Tetenes PJ,Goodwin PN

更新日期：1977-01-01 00:00:00

abstract：PURPOSE:To assess the clinical and radiographic findings of pulmonary infections diagnosed by using invasive means. MATERIALS AND METHODS:Fifty-nine episodes of pulmonary infection were diagnosed in 52 (7.2%) of a consecutive series of 725 adult bone marrow transplant recipients. Causative organisms, time of diagnoses...

journal_title：Radiology

authors： Leung AN,Gosselin MV,Napper CH,Braun SG,Hu WW,Wong RM,Gasman J

更新日期：1999-03-01 00:00:00

abstract：PURPOSE:To compare the magnetic resonance (MR) imaging findings of primary hepatocellular carcinoma (HCC) in cirrhotic versus noncirrhotic livers. MATERIALS AND METHODS:MR images in 36 patients with HCC (30 men and she women aged 42-84 years [mean age, 65 years]) were retrospectively reviewed. The number and size of h...

journal_title：Radiology

authors： Winston CB,Schwartz LH,Fong Y,Blumgart LH,Panicek DM

更新日期：1999-01-01 00:00:00

abstract：:Gold, silver and lead thioglucose were evaluated in rodents to determine the value of organo-metallic compounds in the study of metabolic abnormalities. Increased radioactivity concentration was noted in the hypothalamus with all compounds. Gold thioglucose concentrated in the kidneys and thymus, and 203Pb-thioglucose...

journal_title：Radiology

authors： Atkins HL,Lambrecht RM,Wolf AP,Ansari AN,Guillaume M

更新日期：1975-06-01 00:00:00

abstract：:This description of procedures in two patients illustrates successful thoracic needle biopsy, despite the fact that the lesion was obscured by overlapping bones in each instance. The technique of screwing a 20-gauge needle through the overlapping bone is suggested as an innovative method when more traditional approach...

journal_title：Radiology

authors： Glynn TP Jr

更新日期：1990-10-01 00:00:00

abstract：:A systems approach was employed to improve results of the single-contrast barium enema examination for detection of colonic polyps. Improvements were made in each of the following areas: radiographic-fluoroscopic equipment, fluoroscopic-television images, screen-film combinations, barium suspensions, examination techn...

journal_title：Radiology

authors： Gelfand DW,Chen YM,Ott DJ

更新日期：1987-08-01 00:00:00

abstract：:A percutaneously inserted biliary drainage catheter was converted from external to internal drainage with the use of an additional catheter advanced through the gastrostomy opening. This technique was successful in one patient with unresectable cancer of the head of the pancreas, in whom it was performed to overcome t...

journal_title：Radiology

authors： Morita S,Matsumoto S,Soejima T,Odani R,Yokota T

更新日期：1988-04-01 00:00:00

abstract：:A case of mixed connective tissue disease (MCTD) is presented in which mediastinal lymphadenopathy was the most prominent radiological finding detected by plain chest radiographs and computed tomography. Pulmonary arterial hypertension, which is a rare and often fatal complication of MCTD, also developed in this patie...

journal_title：Radiology

authors： Guit GL,Shaw PC,Ehrlich J,Kroon HM,Oudkerk M

更新日期：1985-02-01 00:00:00

abstract：:The computed tomographic appearance of the adrenal gland was studied in 302 patients with possible endocrinologic disease and 107 patients undergoing CT for nonendocrinologic reasons. Measurements of adrenal size were also made in 100 adults with no known adrenal pathology. CT proved to be a sensitive diagnostic tool ...

journal_title：Radiology

authors： Huebener KH,Treugut H

更新日期：1984-01-01 00:00:00

abstract：:The authors describe the use of neodymium yttrium aluminum garnet laser introduced via a percutaneous catheter track for photocoagulation of a bleeding bile duct tumor. ...

journal_title：Radiology

authors： Carpenter CM,Bowers JH,Luers PR,Dixon JA,Miller FJ

更新日期：1983-09-01 00:00:00

abstract：:Paraplegics whose range of motion is limited by para-osteo-arthropathy (POA) may have difficulty in becoming independent unless the heterotopic bone mass is removed. The recurrence rate is high if the bony mass is not mature at the time of surgery. Radiography and alkaline phosphatase correlations are not trustworthy....

journal_title：Radiology

authors： Tanaka T,Rossier AB,Hussey RW,Ahnberg DS,Treves S

更新日期：1977-04-01 00:00:00

abstract：PURPOSE:To determine the relationship between annual screening volume and radiologist performance in the Screening Mammography Program of British Columbia, Canada. MATERIALS AND METHODS:Standardized abnormal interpretation ratios and standardized cancer detection ratios were constructed for 35 readers with at least 3 ...

journal_title：Radiology

authors： Kan L,Olivotto IA,Warren Burhenne LJ,Sickles EA,Coldman AJ

更新日期：2000-05-01 00:00:00

abstract：PURPOSE:To determine performance characteristics of transvaginal ultrasonography (US) and hysterosonography for diagnosing endometrial abnormality in asymptomatic postmenopausal women with breast cancer receiving tamoxifen. MATERIALS AND METHODS:The authors prospectively examined 138 women receiving tamoxifen by using...

journal_title：Radiology

authors： Fong K,Kung R,Lytwyn A,Trudeau M,Chapman W,Nugent P,Glanc P,Manchul L,Szabunio D,Myhr T

更新日期：2001-09-01 00:00:00

abstract：:Percutaneous excimer laser angioplasty is dependent on a reliable and effective energy transmission through fiberoptic devices. Compared with bare fibers, ring catheters provide improved flexibility and a central channel for insertion of guide wires. Peripheral laser catheters (7-9 F) were used in 32 patients with art...

journal_title：Radiology

authors： Duda SH,Karsch KR,Haase KK,Huppert PE,Claussen CD

更新日期：1990-04-01 00:00:00

abstract：PURPOSE:To measure the proportion of high-cost imaging generated by a radiologist's recommendation and to identify the imaging findings resulting in follow-up. MATERIALS AND METHODS:This retrospective HIPAA-compliant study had institutional review board approval, with waiver of informed consent. A recommended examinat...

journal_title：Radiology

authors： Lee SI,Krishnaraj A,Chatterji M,Dreyer KJ,Thrall JH,Hahn PF

更新日期：2012-02-01 00:00:00

abstract：:In a review of the records of 3,712 drug abusers, 13 patients were identified with neurologic deficits attributable to the use of cocaine. Ischemic manifestations were the most frequent, occurring in seven (54%) patients, with a mean age of 34.2 years. Three (23%) patients had subarachnoid hemorrhage, and three (23%) ...

journal_title：Radiology

authors： Jacobs IG,Roszler MH,Kelly JK,Klein MA,Kling GA

更新日期：1989-01-01 00:00:00

abstract：:The line spread function (LSF) and modulation transfer function (MTF) of 9 rare-earth screen/film systems were measured and compared with those of two fast calcium tungstate systems, using double-emulsion films sandwiched between two screens and mounted in regular cassettes. The LSFs were found to fit exponential func...

journal_title：Radiology

authors： Arnold BA,Eisenberg H,Bjärngard BE

更新日期：1976-11-01 00:00:00

abstract：PURPOSE:To describe and evaluate a method of tomosynthesis breast imaging with a full-field digital mammographic system. MATERIALS AND METHODS:In this tomosynthesis method, low-radiation-dose images were acquired as the x-ray source was moved in an arc above the stationary breast and digital detector. A step-and-expos...

journal_title：Radiology

authors： Niklason LT,Christian BT,Niklason LE,Kopans DB,Castleberry DE,Opsahl-Ong BH,Landberg CE,Slanetz PJ,Giardino AA,Moore R,Albagli D,DeJule MC,Fitzgerald PF,Fobare DF,Giambattista BW,Kwasnick RF,Liu J,Lubowski SJ,Possin G

更新日期：1997-11-01 00:00:00

abstract：PURPOSE:To determine the value of ultrasound (US) in the diagnosis of snapping iliopsoas tendon. MATERIALS AND METHODS:In three patients, dynamic US of the hip was performed as the flexed, abducted, and externally rotated hip was extended. The contralateral hip was also evaluated. Hip arthrography was performed in all...

journal_title：Radiology

authors： Cardinal E,Buckwalter KA,Capello WN,Duval N

更新日期：1996-02-01 00:00:00