Case 274.

abstract：:An analog model of the part of a patient's body containing a tumor is constructed by drawing anatomical contours obtained from computed tomograms on a set of transparent plastic sheets. The coverage of radiotherapy fields in the patient is visualized in three dimensions using the model and the light beam from the radi...

journal_title：Radiology

authors： Tatcher M,Elgrabli S,Kuten A,Kleinhaus U

更新日期：1980-07-01 00:00:00

abstract：PURPOSE:To compare the accuracy of four breath-hold magnetic resonance (MR) imaging sequences to establish the most effective superparamagnetic iron oxide (SPIO)-enhanced sequence for detection of colorectal hepatic metastases. MATERIALS AND METHODS:Thirty-one patients with colorectal hepatic metastases underwent T1-w...

journal_title：Radiology

authors： Ward J,Guthrie JA,Wilson D,Arnold P,Lodge JP,Toogood GJ,Wyatt JI,Robinson PJ

更新日期：2003-09-01 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：:Dose distributions in electron-beam arc therapy were investigated using the electron beam from a Brown Boveri 45 MeV betatron. This variable isocenter machine is equipped with an angular speed control device that synchronizes the radiation dose rate with the rotation speed about the isocenter. An Alderson Rando phanto...

journal_title：Radiology

authors： Ruegsegger DR,Lerude SD,Lyle D

更新日期：1979-11-01 00:00:00

abstract：:Twelve primary fourth ventricle tumors and 22 medulloblastomas occupying mainly the fourth ventricle were analyzed, with emphasis on the differential diagnosis, vascularity, and some unusual findings. Though both types of tumor often have identical manifestations, the correct diagnosis can be made in most cases by car...

journal_title：Radiology

authors： Numaguchi Y,Kishikawa T,Fukui M,Komaki S,Russell WJ,Ikeda J,Okudera T,Matsuura K,Kitamura K

更新日期：1978-08-01 00:00:00

abstract：:Skull scintigraphy was performed in 68 children with suspected craniosynostosis after injection of technetium-99m methylene diphosphonate. The scans demonstrated four patterns of sutural activity: normal, absent, increased, and wide. When correlated with surgical findings, "absent" indicated fused sutures, "increased"...

journal_title：Radiology

authors： Tait MV,Gilday DL,Ash JM,Boldt DJ,Harwood-Nash DC,Fitz CR,Barry J

更新日期：1979-12-01 00:00:00

abstract：:Ultrasonographic (US) examinations of the upper abdomen were performed in 80 patients with Gaucher disease. Of the 49 patients that had not undergone splenectomy, 47 had splenic enlargement. Sixteen patients had multiple lesions in the spleen. Most patients had discrete hypoechoic lesions that corresponded pathologica...

journal_title：Radiology

authors： Hill SC,Reinig JW,Barranger JA,Fink J,Shawker TH

更新日期：1986-09-01 00:00:00

abstract：:The authors present a gastric mucosal biopsy technique with use of a nasogastric catheter and biopsy forceps after double-contrast upper gastrointestinal fluoroscopy in patients with clinical symptoms of dyspepsia. In 51 patients (18 men and 33 women, aged 27-73 years [mean, 46 years]), 136 aggregates (specimens compo...

journal_title：Radiology

authors： Bender GN,Myers MA,Reichle JL,Tsuchida A,Peller T,Jackson F,Malcolm B

更新日期：1994-04-01 00:00:00

abstract：PURPOSE:To evaluate the usefulness of a new computed tomographic (CT) sign of "draped aorta" in the diagnosis of a contained leak in an aortic aneurysm. MATERIALS AND METHODS:CT scans were retrospectively evaluated in 10 patients in whom an unidentifiable aortic wall and posterior aspect of the aorta that followed the...

journal_title：Radiology

authors： Halliday KE,al-Kutoubi A

更新日期：1996-04-01 00:00:00

abstract：:A retrospective review was done of intracranial images obtained within the newborn period in 46 infants who had been treated with extracorporeal membrane oxygenation (ECMO). A neuroimaging score was determined on the basis of the extent and severity of findings on both ultrasound and computed tomographic scans. Presen...

journal_title：Radiology

authors： Taylor GA,Glass P,Fitz CR,Miller MK

更新日期：1987-12-01 00:00:00

abstract：PURPOSE:To test previously defined ultrasound (US) criteria for identification of partial-thickness tears of the rotator cuff. MATERIALS AND METHODS:Before shoulder arthroscopy, 52 patients with shoulder pain for more than 3 months were examined with a 7.5-MHz commercially available linear-array transducer and a stand...

journal_title：Radiology

authors： van Holsbeeck MT,Kolowich PA,Eyler WR,Craig JG,Shirazi KK,Habra GK,Vanderschueren GM,Bouffard JA

更新日期：1995-11-01 00:00:00

abstract：:Digital subtraction laryngography was used to evaluate laryngeal function in 8 patients: 4 with normal larynxes and 4 with laryngeal disease. Subtracted digital images provided a dynamic display of the extent and symmetry of vocal cord excursions and pyriform sinus inflation, and the vocal cord resting position was al...

journal_title：Radiology

authors： Brown BM,Enzmann DR,Hopp ML,Castellino RA

更新日期：1983-06-01 00:00:00

abstract：PURPOSE:To determine the computed tomographic (CT) appearance of the normal modiolus and the pathologic alteration in patients with a large vestibular aqueduct and an otherwise normal-appearing cochlea. MATERIALS AND METHODS:Temporal bone CT studies obtained before and after a major upgrade of CT capability in 1992 we...

journal_title：Radiology

authors： Lemmerling MM,Mancuso AA,Antonelli PJ,Kubilis PS

更新日期：1997-07-01 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：:The vlue of epinephrine enhanced angiography in the preoperative distinction of isolated hamartoma (angiomyolipoma without stigma of tuberous sclerosis) from hypernephroma has been largely discounted in the past. The authors performed this procedure in 6 patients (4 with isolated hamartoma and 2 with tuberous sclerosi...

journal_title：Radiology

authors： Jander HP,Tonkin IL

更新日期：1979-07-01 00:00:00

abstract：PURPOSE:To evaluate the accuracy of preoperative computed tomography (CT) in predicting the location and type of ductal involvement and malignant transformation in intraductal papillary mucinous (IPM) pancreatic tumors and to determine the predictive factors for malignancy at CT. MATERIALS AND METHODS:The helical CT s...

journal_title：Radiology

authors： Taouli B,Vilgrain V,Vullierme MP,Terris B,Denys A,Sauvanet A,Hammel P,Menu Y

更新日期：2000-12-01 00:00:00

abstract：PURPOSE:To evaluate gadolinium-enhanced three-dimensional magnetic resonance (MR) angiography for thoracic aortic disease and to compare this technique with conventional thoracic MR imaging. MATERIALS AND METHODS:One hundred eight consecutive patients underwent 122 thoracic MR examinations, including conventional MR i...

journal_title：Radiology

authors： Krinsky GA,Rofsky NM,DeCorato DR,Weinreb JC,Earls JP,Flyer MA,Galloway AC,Colvin SB

更新日期：1997-01-01 00:00:00

abstract：PURPOSE:To prospectively evaluate the relationships between change in white matter (WM) anisotropy and (a) patient age at craniospinal irradiation (CSI), (b) CSI dose, and (c) time of magnetic resonance (MR) imaging since CSI and to determine the effect of these neurotoxicity risk factors on WM anisotropy in posttreatm...

journal_title：Radiology

authors： Khong PL,Leung LH,Chan GC,Kwong DL,Wong WH,Cao G,Ooi GC

更新日期：2005-08-01 00:00:00

abstract：:Duplex Doppler ultrasound (US) was used in 68 consecutive patients with focal liver lesions, including 12 hepatocellular carcinomas, one cholangiocarcinoma, 37 metastases, 15 hemangiomas, one hemangioendothelioma, and two focal nodular hyperplasias. Of the hepatocellular carcinomas, six were diffusely hyperechoic, two...

journal_title：Radiology

authors： Taylor KJ,Ramos I,Morse SS,Fortune KL,Hammers L,Taylor CR

更新日期：1987-09-01 00:00:00

abstract：:Differences in magnetic resonance (MR) imaging signal-to-noise (S/N) performance between saddle-shaped and solenoidal coils have been postulated. Each coil shape is tied to a particular magnetic field configuration, so that they are not typically interchangeable except in special situations. The solenoidal coil is pre...

journal_title：Radiology

authors： Arakawa M,Crooks LE,McCarten B,Hoenninger JC,Watts JC,Kaufman L

更新日期：1985-01-01 00:00:00

abstract：PURPOSE:To determine the risk of emergent dialysis and short-term mortality following intravenous iodinated contrast material exposure. MATERIALS AND METHODS:This single-center retrospective study was HIPAA compliant and institutional review board approved. All contrast material-enhanced (contrast group) and unenhance...

journal_title：Radiology

authors： McDonald RJ,McDonald JS,Carter RE,Hartman RP,Katzberg RW,Kallmes DF,Williamson EE

更新日期：2014-12-01 00:00:00

abstract：:Review of 367 cases of cholelithiasis in children from the literature and our experience showed that 81% of these patients has no evidence of hemolytic anemia. Oral cholecystograms were diagnostic of cholelithiasis in approximately 70% of these cases. Plain film studies were found to be of diagnostic value as a high p...

journal_title：Radiology

authors： Harned RK,Babbitt DP

更新日期：1975-11-01 00:00:00

abstract：:An analysis of treatment response in 215 patients treated by percutaneous nephrostomy identified obstruction of the urinary tract, complicated by infection and sometimes gram-negative septicemia, as the single most important indication for this intervention. Percutaneous nephrostomy reduced the mortality from gram-neg...

journal_title：Radiology

authors： Lang EK,Price ET

更新日期：1983-05-01 00:00:00

abstract：:For measurement of poststenotic jet velocities with magnetic resonance (MR) imaging, the authors reduced the echo time (TE) of the field even-echo rephasing (FEER) velocity mapping sequence from 14.0 to 3.6 msec, so minimizing the problem of MR signal loss from turbulent fluid. In vitro use of rotating disk and stenot...

journal_title：Radiology

authors： Kilner PJ,Firmin DN,Rees RS,Martinez J,Pennell DJ,Mohiaddin RH,Underwood SR,Longmore DB

更新日期：1991-01-01 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：:Vascular anomalies of the umbilical cord and fetus were evaluated with ultrasound in 11 fetuses. The anomalies included true knot of the cord (n = 1), umbilical vein varix (n = 1), persistent right umbilical vein (n = 1), and unilateral hypertrophy of the iliac artery in cases of a single umbilical artery (n = 8). One...

journal_title：Radiology

authors： Jeanty P

更新日期：1989-11-01 00:00:00

abstract：PURPOSE:To evaluate the portal and arterial blood supplies to dysplastic nodules in the cirrhotic liver with computed tomography (CT) during arterial portography (CTAP) and CT hepatic arteriography (CTHA). MATERIALS AND METHODS:Nineteen histopathologically proved low-grade dysplastic nodules and 13 high-grade dysplast...

journal_title：Radiology

authors： Lim JH,Cho JM,Kim EY,Park CK

更新日期：2000-03-01 00:00:00

abstract：:Recent methods of magnetic resonance imaging involve the placement of a grid of planes of saturation over the imaging plane; distortion of the grid corresponds to tissue displacement in two dimensions. An extension to this method that allows measurement of motion in the third dimension involves a second acquisition th...

journal_title：Radiology

authors： Pipe JG,Boes JL,Chenevert TL

更新日期：1991-11-01 00:00:00

abstract：:Percutaneous aspiration of the gallbladder was performed for nine hospitalized patients, most commonly to establish the diagnosis of acute cholecystitis and its complications in the critically ill patient or patient with sepsis. In five patients, aspiration alone was performed; in four, permanent percutaneous catheter...

journal_title：Radiology

authors： McGahan JP,Walter JP

更新日期：1985-06-01 00:00:00

abstract：:The potential renal vasodilatory effect of dopamine in improving renal function after arteriography was studied. Sixty patients with preexisting renal insufficiency were prospectively randomized into two groups. Patients in the treated group (n = 30) received an infusion of dopamine for 12 hours starting at the beginn...

journal_title：Radiology

authors： Hans B,Hans SS,Mittal VK,Khan TA,Patel N,Dahn MS

更新日期：1990-09-01 00:00:00