Recurrent colorectal carcinoma: evaluation with barium enema examination and CT.

abstract：:Pulmonary angiography is sensitive and specific in the diagnosis of pulmonary thromboembolism, but it remains an invasive procedure. Experience with 1,350 pulmonary angiograms was reviewed to ascertain the incidence, etiologies, and avoidance of complications. There were three deaths, all of which were secondary to co...

journal_title：Radiology

authors： Mills SR,Jackson DC,Older RA,Heaston DK,Moore AV

更新日期：1980-08-01 00:00:00

abstract：PURPOSE:To prospectively compare contrast material-enhanced (CE) magnetic resonance (MR) imaging-derived right-to-left ventricle pulmonary transit time (PTT), left ventricular (LV) full width at half maximum (FWHM), and LV time to peak (TTP) between patients with pulmonary arterial hypertension (PAH) and healthy volunt...

journal_title：Radiology

authors： Skrok J,Shehata ML,Mathai S,Girgis RE,Zaiman A,Mudd JO,Boyce D,Lechtzin N,Lima JA,Bluemke DA,Hassoun PM,Vogel-Claussen J

更新日期：2012-06-01 00:00:00

abstract：PURPOSE:To correlate upper gastrointestinal study findings of the position of the duodenum and duodenal-jejunal junction in children after liver transplantation with transplant type, age at transplantation, indication for transplantation, and history of surgery or malrotation. MATERIALS AND METHODS:Upper gastrointesti...

journal_title：Radiology

authors： Benya EC,Ben-Ami TE,Whitington PF,Alonso EM,Millis JM,Yousefzadeh DK

更新日期：1998-04-01 00:00:00

abstract：PURPOSE:To create a model to estimate glomerular filtration rate (GFR) in healthy individuals, such as renal transplant donors, by using renal volume measurements derived from multidetector computed tomographic (CT) scans, serum creatinine level, height, weight, race, and age, and to compare the performance of this kid...

journal_title：Radiology

authors： Herts BR,Sharma N,Lieber M,Freire M,Goldfarb DA,Poggio ED

更新日期：2009-07-01 00:00:00

abstract：:Radiographs of 45 patients with evidence of acute unilateral ureteral obstruction at intravenous urography, obtained at least 24 hours after injection of contrast material, were retrospectively studied. Vicarious contrast material excretion (VCME) as evidence by gallbladder opacification on delayed radiographs was see...

journal_title：Radiology

authors： Dyer RB,Gilpin JW,Zagoria RJ,Chen MY,Case LD

更新日期：1990-12-01 00:00:00

abstract：:History In 2004, this woman received a diagnosis of invasive mammillary carcinoma, tubular variant, strongly positive for estrogen and progesterone receptors. Her lesion was found at screening mammography performed at an outside institution when she was 59 years old. She underwent partial mastectomy, with partial axil...

journal_title：Radiology

authors： Disharoon M,Kozlowski KF,Kaniowski JM

更新日期：2017-06-01 00:00:00

abstract：PURPOSE:To retrospectively compare the sensitivity of a computer-aided detection (CAD) system for depicting breast cancer in three digital mammographic views. MATERIALS AND METHODS:This study was conducted with institutional review board approval; informed consent was waived. A commercially available CAD system was ap...

journal_title：Radiology

authors： Kim SJ,Moon WK,Cho N,Cha JH,Kim SM,Im JG

更新日期：2006-12-01 00:00:00

abstract：:Background Trends in noninvasive diagnostic imaging (NDI) utilization rates have predominantly been reported in Medicare enrollees. To the authors' knowledge, there has been no prior direct comparison of utilization rates between Medicare and commercially insured patients. Purpose To analyze trends in NDI utilization ...

journal_title：Radiology

authors： Hong AS,Levin D,Parker L,Rao VM,Ross-Degnan D,Wharam JF

更新日期：2020-02-01 00:00:00

abstract：:The National Institutes of Health (NIH) comprise the largest single source of funding in the world for the support of biomedical research. Much of the work of the NIH focuses on the elucidation of fundamental biophysical, biochemical, and biologic aspects of the molecular, cellular, and tissue processes underlying bot...

journal_title：Radiology

authors： Wolbarst AB,Hendee WR

更新日期：2007-01-01 00:00:00

abstract：:Postoperative irradiation reduces the local recurrence rate for malignant salivary gland tumors. Less extensive surgery followed by immediate radiotherapy is possible without decreasing local control; moreover, cosmetic appearance and physiological function are preserved. Local tumor control was achieved in 16 out of ...

journal_title：Radiology

authors： Chung CT,Sagerman RH,Ryoo MC,King GA,Yu WS,Dalal PS

更新日期：1982-10-01 00:00:00

abstract：PURPOSE:To determine the variability of apparent diffusion coefficient (ADC) values in various anatomic regions in the upper abdomen measured with magnetic resonance (MR) systems from different vendors and with different field strengths. MATERIALS AND METHODS:Ten healthy men (mean age, 36.6 years ± 7.7 [standard devia...

journal_title：Radiology

authors： Donati OF,Chong D,Nanz D,Boss A,Froehlich JM,Andres E,Seifert B,Thoeny HC

更新日期：2014-02-01 00:00:00

abstract：:Three-dimensional computed tomography (CT) has an important role in determining the presence and extent of congenital and acquired craniofacial deformities. The authors compared the sensitivity and specificity of three-dimensional CT in the detection and characterization of craniosynostosis with that of planar CT and ...

journal_title：Radiology

authors： Vannier MW,Hildebolt CF,Marsh JL,Pilgram TK,McAlister WH,Shackelford GD,Offutt CJ,Knapp RH

更新日期：1989-12-01 00:00:00

abstract：PURPOSE:To compare a glycosaminoglycan chemical exchange saturation transfer (gagCEST) imaging method, which enables sampling of the water signal as a function of the presaturation offset (z-spectrum) at 13 points in clinically feasible imaging times, with sodium 23 ((23)Na) magnetic resonance (MR) imaging in patients ...

journal_title：Radiology

authors： Schmitt B,Zbýn S,Stelzeneder D,Jellus V,Paul D,Lauer L,Bachert P,Trattnig S

更新日期：2011-07-01 00:00:00

abstract：PURPOSE:To retrospectively determine the accuracy of direct magnetic resonance (MR) arthrography of the shoulder in patients with recurrent or residual signs and/or symptoms of instability after prior instability repair, with surgical findings as the reference standard. MATERIALS AND METHODS:After institutional ethics...

journal_title：Radiology

authors： Probyn LJ,White LM,Salonen DC,Tomlinson G,Boynton EL

更新日期：2007-12-01 00:00:00

abstract：:The purpose of this study was to assess the blooming artifacts in ex vivo coronary arteries at multidetector computed tomography (CT) and flat-panel-volume CT by comparing measured areas of calcified plaque with respect to the reference standard of histopathologic findings. Three ex vivo hearts were scanned with multi...

journal_title：Radiology

authors： Sarwar A,Rieber J,Mooyaart EA,Seneviratne SK,Houser SL,Bamberg F,Raffel OC,Gupta R,Kalra MK,Pien H,Lee H,Brady TJ,Hoffmann U

更新日期：2008-10-01 00:00:00

abstract：:Seven patients who had spinal interspace infections underwent clinical, laboratory, and radiographic examinations, and findings are reported. Lytic fragmentation of adjacent vertebral bodies is a characteristic appearance on CT scans. Sagittal-coronal reformations confirm the end-plate irregularity and establish the d...

journal_title：Radiology

authors： Price AC,Allen JH,Eggers FM,Shaff MI,James AE Jr

更新日期：1983-12-01 00:00:00

abstract：:The radiopharmaceutical iodine 131 metaiodobenzylguanidine (I-131 MIBG) has been shown to locate pheochromocytomas scintigraphically with a false-negative rate of approximately 13%. To improve image quality and reduce the false-negative rate, I-123 was examined as a radioactive label for MIBG, as it has many advantage...

journal_title：Radiology

authors： Lynn MD,Shapiro B,Sisson JC,Beierwaltes WH,Meyers LJ,Ackerman R,Mangner TJ

更新日期：1985-06-01 00:00:00

abstract：:The effect of fasting on gallbladder opacification during oral cholecystography was studied in 10 normal volunteers using 2 oral cholecystographic agents, iopanoic acid and sodium tryopanoate. Radiographs made 15 hours after ingestion of the contrast agents revealed good opacification of the gallbladder in all subject...

journal_title：Radiology

authors： Loeb PM,Berk RN,Janes JO,Perkin L,Moore J

更新日期：1978-02-01 00:00:00

abstract：:Hippurate function scintiscans were obtained in prone and standing positions in a group of 76 patients with concurrent hypertension and nephroptosis. TWelve of these patients had massive, bilateral disturbance of intrarenal hippurate transport in the standing position; hippurate transport was normal in the prone posit...

journal_title：Radiology

authors： Clorius JH,Schmidlin P,Raptou E,Huber W,Georgi P

更新日期：1981-07-01 00:00:00

abstract：:A 49-year-old premenopausal woman presented with acute onset of lower abdominal pain. Physical examination revealed her abdomen was distended and nontender. Her white blood cell count and serum markers for ovarian cancer were normal (alpha-fetoprotein level, 1.6 microg/L; Ca-125 level, 15 U/mL; beta-human chorionic go...

journal_title：Radiology

authors： Attili AK,Kazerooni EA

更新日期：2007-07-01 00:00:00

abstract：:Traumatic spondylolisthesis of C-2, frequently referred to as the hangman's fracture, is typically regarded as a hyperextension injury with rare neurologic sequelae by virtue of decompression of the neural canal. The authors retrospectively evaluated their radiographic experience with this injury in 27 patients over a...

journal_title：Radiology

authors： Mirvis SE,Young JW,Lim C,Greenberg J

更新日期：1987-06-01 00:00:00

abstract：:To determine whether gadodiamide injection can provide sufficient enhancement on both T1- and T2-weighted spin-echo magnetic resonance (MR) images of the heart and skeletal muscles, anesthetized rats were divided into five groups. Groups 1-3 received 0.1 (n = 9), 0.3 (n = 8), or 0.5 (n = 8) mmol/kg gadodiamide injecti...

journal_title：Radiology

authors： Saeed M,Wendland MF,Masui T,Yu KK,Li JJ,Derugin N,Higgins CB

更新日期：1993-01-01 00:00:00

abstract：:Areas of sclerosis in the phalanges, particularly the terminal phalanges, are common in sarcoidosis despite the rarity of osteosclerotic changes in other bones. Of 37 patients with sarcoidosis with osseous changes of the hands or feet, 20 (54%) has sclerosis either alone or in combination with bone destruction. Of 48 ...

journal_title：Radiology

authors： McBrine CS,Fisher MS

更新日期：1975-05-01 00:00:00

abstract：:Patients who have temporomandibular joint (TMJ) clicking and pain are assumed to have an anterior displacement of the meniscus with reduction on opening of the jaw. On the basis of this assumption, these patients are treated nonsurgically with splint therapy. Of 301 TMJs examined, 108 (36%) produced clinically audible...

journal_title：Radiology

authors： Miller TL,Katzberg RW,Tallents RH,Bessette RW,Hayakawa K

更新日期：1985-01-01 00:00:00

abstract：:Metallic foreign bodies ingested by eight patients (seven children) were removed from the upper gastrointestinal tract by means of a magnet inserted into the end of an orogastric tube. No patient required hospitalization, anesthesia, surgery, or subsequent radiography, and all patients remained asymptomatic. In no cas...

journal_title：Radiology

authors： Volle E,Hanel D,Beyer P,Kaufmann HJ

更新日期：1986-08-01 00:00:00

abstract：:Using a method combining the velocity of ultrasound and photon absorptiometry in the human radius in vivo, the authors measured the speed of sound in bone (U) and bone mineral content (BMC). From these measurements and a "simple" bone model, they then computed the bone mineral density, compact bone density, and modulu...

journal_title：Radiology

authors： Greenfield MA,Craven JD,Huddleston A,Kehrer ML,Wishko D,Stern R

更新日期：1981-03-01 00:00:00

abstract：PURPOSE:To quantify tumor perfusion after transcatheter arterial embolization (TAE) with functional computed tomography (CT) and to validate the reproducibility of quantification measurements. MATERIALS AND METHODS:This study was conducted in accordance with an institutional animal care and use committee-approved prot...

journal_title：Radiology

authors： Kan Z,Kobayashi S,Phongkitkarun S,Charnsangavej C

更新日期：2005-10-01 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：:This introduction to biostatistics and measurement is the first in a series of articles designed to provide Radiology readers with a basic understanding of statistical concepts. Although most readers of the radiology literature know that application of study results to their practice requires an understanding of stati...

journal_title：Radiology

authors： Applegate KE,Crewson PE

更新日期：2002-11-01 00:00:00

abstract：:After institutional review board approval, informed consent was obtained from six patients (four men and two women, aged 47-74 years) with a total of six tumors of the liver dome. These patients were treated by means of radiofrequency (RF) ablation with computed tomographic (CT) guidance and a transthoracic approach. ...

journal_title：Radiology

authors： de Baère T,Dromain C,Lapeyre M,Briggs P,Duret JS,Hakime A,Boige V,Ducreux M

更新日期：2005-08-01 00:00:00