Gastric retention of zinc-based pennies: radiographic appearance and hazards.

abstract：PURPOSE:To approximate the functional relationship between invasively measured mean pulmonary arterial pressure (mPAP) and the phase-contrast magnetic resonance (MR) imaging-derived duration of vortical blood flow along the main pulmonary artery and to analyze its applicability for noninvasive diagnosis of pulmonary hy...

journal_title：Radiology

authors： Reiter G,Reiter U,Kovacs G,Olschewski H,Fuchsjäger M

更新日期：2015-04-01 00:00:00

abstract：:Background Patients with wrist trauma and negative findings on radiographs often undergo additional MRI examinations to assess for radiographically occult fractures. Dual-energy CT may be more readily available than MRI in some settings. Purpose To evaluate the diagnostic test accuracy of dual-energy CT in helping det...

journal_title：Radiology

authors： Müller FC,Gosvig KK,Børgesen H,Gade JS,Brejnebøl M,Rodell A,Nèmery M,Boesen M

更新日期：2020-09-01 00:00:00

abstract：:The variety of cervical lymphadenectomy and neck reconstructive procedures that have been developed in the past 20 years has led to confusion about nomenclature in the literature. In addition, some of these operations result in gross alteration of the normal anatomy. The authors review the present classification syste...

journal_title：Radiology

authors： Som PM,Urken ML,Biller H,Lidov M

更新日期：1993-06-01 00:00:00

abstract：:In a series of 30 patients, barium enema examination of the colon was performed via a remote controlled air and contrast media inflator. With this apparatus, introduction and elimination of air and barium into the colon can be accomplished at a freely adjustable rate of injection by remote control. Fluoroscopy time is...

journal_title：Radiology

authors： Hisamichi S,Masuda Y,Shirane A,Sugawara N,Gomi T,Oshiba S

更新日期：1977-11-01 00:00:00

abstract：:An international working group has modified the Atlanta classification for acute pancreatitis to update the terminology and provide simple functional clinical and morphologic classifications. The modifications (a) address the clinical course and severity of disease, (b) divide acute pancreatitis into interstitial edem...

journal_title：Radiology

authors： Thoeni RF

更新日期：2012-03-01 00:00:00

abstract：PURPOSE:To compare the local-regional staging accuracy of the conventional two-dimensional (2D) T2-weighted imaging protocol and of the three-dimensional (3D) T2-weighted imaging protocol for preoperative magnetic resonance (MR) imaging in rectal cancer patients. MATERIALS AND METHODS:This retrospective study was appr...

journal_title：Radiology

authors： Kim H,Lim JS,Choi JY,Park J,Chung YE,Kim MJ,Choi E,Kim NK,Kim KW

更新日期：2010-02-01 00:00:00

abstract：PURPOSE:To evaluate the clinical relevance of neovascularization diagnosed with power Doppler ultrasonography (US) in Achilles tendons in patients with chronic achillodynia. MATERIALS AND METHODS:Forty consecutive patients (mean age, 52 years; age range, 30-72 years) were examined. US was performed bilaterally and rep...

journal_title：Radiology

authors： Zanetti M,Metzdorf A,Kundert HP,Zollinger H,Vienne P,Seifert B,Hodler J

更新日期：2003-05-01 00:00:00

abstract：:The clinical, radiologic, and histopathologic features of three cases of clear cell chondrosarcoma are described. On radiographs, this rather benign-appearing tumor resembles a chondroblastoma when it occurs at the end of a long bone, and may occasionally show a calcified matrix. However, it has distinctive tumor cell...

journal_title：Radiology

authors： Kumar R,David R,Cierney G 3rd

更新日期：1985-01-01 00:00:00

abstract：:Percutaneous tunable dye laser lithotripsy was used in two patients to successfully fragment a 2-cm left hepatic duct calculus and a 5-mm main pancreatic duct calculus. Tunable dye laser lithotripsy may prove to be a more effective alternative to mechanical lithotripsy. ...

journal_title：Radiology

authors： Feldman RK,Freeny PC,Kozarek RA

更新日期：1990-03-01 00:00:00

abstract：:Twenty-nine subjects with occupational asbestos exposure and clinical asbestosis were examined with high-resolution computed tomography (HRCT) to determine its sensitivity, relative to that of conventional computed tomography (CT), for detection of benign asbestos-related disease. Thin-section HRCT scans were obtained...

journal_title：Radiology

authors： Aberle DR,Gamsu G,Ray CS,Feuerstein IM

更新日期：1988-03-01 00:00:00

abstract：PURPOSE:To evaluate the effects of alterations in the volume of contrast material on liver enhancement. MATERIALS AND METHODS:Thirty patients underwent repeat computed tomographic (CT) examinations within 6 months, the first with either 100, 150, or 180 mL of nonionic contrast material (2 mL/sec). In the second, only ...

journal_title：Radiology

authors： Chambers TP,Baron RL,Lush RM

更新日期：1994-11-01 00:00:00

abstract：:The relationship of the brain angiographic mode circulation time (AVCT) to the mean transit time of the vascular indicator C15O-labeled hemoglobin (tc15o) and the regional cerebral blood flow (rCBF) as measured by the clearance of the diffusible tracer H2-15O was examined in 38 patients with selected cerebral diseases...

journal_title：Radiology

authors： Gado M,Eichling J,Grubb R,Phelps M,Raichie M,Ter-Pogossian MM

更新日期：1975-04-01 00:00:00

abstract：PURPOSE:To establish a protocol for credentialed pediatric radiology nurses, with radiologist supervision, to administer ketamine to induce sedation and analgesia during interventional radiologic procedures. MATERIALS AND METHODS:This study was conducted in two phases. The goal of the first phase was to develop a seda...

journal_title：Radiology

authors： Mason KP,Michna E,DiNardo JA,Zurakowski D,Karian VE,Connor L,Burrows PE

更新日期：2002-11-01 00:00:00

abstract：:New or enlarging solitary pulmonary opacities in 502 patients were evaluated with a plain tomographic procedure. Repeat chest radiographs in 64 patients and tomograms in 115 patients showed that the opacities were not nodules but were due to pneumonitis, rib lesions, thickened pleura, or another benign finding. Tomogr...

journal_title：Radiology

authors： Huston J 3rd,Muhm JR

更新日期：1987-05-01 00:00:00

abstract：:One hundred and forty-seven patients with clinical stage I nonseminomatous germ cell tumors of the testis were entered into a follow-up program after orchidectomy. Follow-up consisted of regular clinical examinations, estimations of the serum markers beta human chorionic gonadotropin and alpha-fetoprotein, chest radio...

journal_title：Radiology

authors： Williams MP,Husband JE,Heron CW

更新日期：1987-09-01 00:00:00

abstract：PURPOSE:To determine the performance of dynamic contrast material-enhanced magnetic resonance (MR) imaging in the diagnosis of small (≤2-cm) hepatocellular carcinoma (HCC) and to identify factors that influence this performance. MATERIALS AND METHODS:Medline and Embase databases were searched for studies performed fro...

journal_title：Radiology

authors： Kierans AS,Kang SK,Rosenkrantz AB

更新日期：2016-01-01 00:00:00

abstract：:The purpose of the study was to implement a three-dimensional (3D) magnetic resonance (MR) angiographic technique with acquisition times on the order of 800 msec with use of a spoiled gradient-echo pulse sequence (repetition time, 1.60 msec; echo time, 0.65 msec) and bolus intravenous injection of contrast material do...

journal_title：Radiology

authors： Finn JP,Baskaran V,Carr JC,McCarthy RM,Pereles FS,Kroeker R,Laub GA

更新日期：2002-09-01 00:00:00

abstract：: Online supplemental material is available for this article. ...

journal_title：Radiology

authors： Kandemirli SG,Dogan L,Sarikaya ZT,Kara S,Akinci C,Kaya D,Kaya Y,Yildirim D,Tuzuner F,Yildirim MS,Ozluk E,Gucyetmez B,Karaarslan E,Koyluoglu I,Demirel Kaya HS,Mammadov O,Kisa Ozdemir I,Afsar N,Citci Yalcinkaya B,Rasi

更新日期：2020-10-01 00:00:00

abstract：:Purpose To compare adverse events and survival outcomes, including cancer-specific survival and overall survival (OS), in patients with T1aN0M0 renal cell carcinoma (RCC) who are undergoing partial nephrectomy (PN), radical nephrectomy (RN), thermal ablation (TA), or active surveillance (AS). Materials and Methods Thr...

journal_title：Radiology

authors： Xing M,Kokabi N,Zhang D,Ludwig JM,Kim HS

更新日期：2018-07-01 00:00:00

abstract：PURPOSE:To compare image resolution from iterative reconstruction with resolution from filtered back projection for low-contrast objects on phantom computed tomographic (CT) images across vendors and exposure levels. MATERIALS AND METHODS:Randomized repeat scans of an American College of Radiology CT accreditation pha...

journal_title：Radiology

authors： Saiprasad G,Filliben J,Peskin A,Siegel E,Chen J,Trimble C,Yang Z,Christianson O,Samei E,Krupinski E,Dima A

更新日期：2015-10-01 00:00:00

abstract：PURPOSE:To determine whether vascular, ischemic, and inflammatory causes of bowel wall thickening in children can be differentiated at gray-scale and color Doppler ultrasonography (US). MATERIALS AND METHODS:Thirty-seven children with acute bowel disease underwent graded compression US. Findings of bowel wall thicknes...

journal_title：Radiology

authors： Siegel MJ,Friedland JA,Hildebolt CF

更新日期：1997-06-01 00:00:00

abstract：:This study evaluated the feasibility of treatment of abdominal aortic aneurysm (AAA) by means of intraluminal bypass. Artificial aortic aneurysms with fusiform Dacron conduits were created at surgery , a weft-knit Dacron tube with balloon-expandable stents attached at both ends was inserted transfemorally through a 14...

journal_title：Radiology

authors： Laborde JC,Parodi JC,Clem MF,Tio FO,Barone HD,Rivera FJ,Encarnacion CE,Palmaz JC

更新日期：1992-07-01 00:00:00

abstract：PURPOSE:To assess placental perfusion and permeability in mice with magnetic resonance (MR) imaging. MATERIALS AND METHODS:This study was conducted according to French law and National Institutes of Health recommendations for animal care. Twenty-two pregnant BALB/c mice were examined at 1.5 T with a single-section dua...

journal_title：Radiology

authors： Taillieu F,Salomon LJ,Siauve N,Clément O,Faye N,Balvay D,Vayssettes C,Frija G,Ville Y,Cuenod CA

更新日期：2006-12-01 00:00:00

abstract：PURPOSE:To investigate the mechanism of enhancement of hepatocellular carcinoma (HCC) on gadoxetic acid-enhanced hepatobiliary phase magnetic resonance (MR) images and to characterize HCC thus enhanced. MATERIALS AND METHODS:This retrospective study was approved by the institutional review board, and patient informed ...

journal_title：Radiology

authors： Tsuboyama T,Onishi H,Kim T,Akita H,Hori M,Tatsumi M,Nakamoto A,Nagano H,Matsuura N,Wakasa K,Tomoda K

更新日期：2010-06-01 00:00:00

abstract：PURPOSE:To assess replacement of barium enema examination with colonoscopy in relation to age- and sex-related risk factors, place of service, physician specialty, and cost. MATERIALS AND METHODS:Between 1985 and 1992, 894,777 insurance claims for barium enema examination and lower gastrointestinal endoscopy were retr...

journal_title：Radiology

authors： Karasick S,Ehrlich SM,Levin DC,Harford RJ,Rosetti EF,Ricci JA,Beam LM,Gigliotti JV

更新日期：1995-06-01 00:00:00

abstract：:Sensitivity and specificity of lumbar spine radiography in the assessment of facet joint osteoarthritis were evaluated, with computed tomography (CT) as the standard. Two independent radiologists used a four-point scale to blindly grade facet joint osteoarthritis on oblique radiographs and transaxial CT scans obtained...

journal_title：Radiology

authors： Pathria M,Sartoris DJ,Resnick D

更新日期：1987-07-01 00:00:00

abstract：:Intraarterial digital subtraction angiography (DSA) was performed in 133 diagnostic arteriographic procedures during a 10-month period. The increased contrast resolution of DSA permitted the use of a dilute (15%) contrast material. A significant reduction in contrast material dose compared with conventional film-scree...

journal_title：Radiology

authors： Kaufman SL,Chang R,Kadir S,Mitchell SE,White RI Jr

更新日期：1984-05-01 00:00:00

abstract：PURPOSE:To validate the usefulness of a newly developed tracer for preoperative gastric sentinel lymph node (LN) (SLN) mapping and intraoperative navigation after a single preoperative submucosal injection in rat and beagle models. MATERIALS AND METHODS:This study was approved by the Experimental Animal Ethical Commit...

journal_title：Radiology

authors： Kim H,Lee SK,Kim YM,Lee EH,Lim SJ,Kim SH,Yang J,Lim JS,Hyung WJ

更新日期：2015-04-01 00:00:00

abstract：PURPOSE:To retrospectively examine the diagnostic values of individual parameters obtained from unenhanced and 35-second and 5-minute contrast material-enhanced (enhanced) computed tomography (CT) in distinguishing adenomas, particularly lipid-poor adenomas, from nonadenomas and to determine the best diagnostic method ...

journal_title：Radiology

authors： Kamiyama T,Fukukura Y,Yoneyama T,Takumi K,Nakajo M

更新日期：2009-02-01 00:00:00

abstract：:Twenty-five patients, each of whom had peripheral intrathoracic lesions that were smaller than 5.0 X 5.0 cm in size and not diagnosed by conventional methods, underwent real-time sonography and ultrasonically guided aspiration biopsy. The lesions included 18 nodules, two infiltrates, and five cavitary lesions. Sonogra...

journal_title：Radiology

authors： Yang PC,Luh KT,Sheu JC,Kuo SH,Yang SP

更新日期：1985-05-01 00:00:00