Association of achalasia and pulmonary Mycobacterium fortuitum infection.

abstract：:A metastatic tumor in the right ventricle was clearly visualized using two-dimensional echocardiography. The location, size, and mobility of the tumor were easily demonstrated. Two-dimensional echocardiography is superior to M-mode echocardiography in such cases. ...

journal_title：Radiology

authors： Jaffe CC,Kelley MJ,Taunt KA

更新日期：1978-11-01 00:00:00

abstract：PURPOSE:To evaluate the ability of fluoroscopic images obtained during air enemas to depict or exclude lead points of intussusceptions and other abnormalities that require surgical treatment in the absence of intussusception. MATERIALS AND METHODS:The clinical, radiologic, surgical, and pathologic findings were review...

journal_title：Radiology

authors： Miller SF,Landes AB,Dautenhahn LW,Pereira JK,Connolly BL,Babyn PS,Alton DJ,Daneman A

更新日期：1995-11-01 00:00:00

abstract：:Irradiation of the orbit is often associated with substantial dose inhomogeneity resulting from the insertion of lens blocks. We postulated that such dose inhomogeneity, which often exceeds 40%, could be halved by the use of two pairs of wedged beams, one angled in the sagittal plane and the other in the commonly empl...

journal_title：Radiology

authors： Harisiadis L,Schell MC,Working KR,Justice T,Wessels BW,Ling CC

更新日期：1985-09-01 00:00:00

abstract：:Eleven hundred sixty-three patients with squamous cell carcinoma of the upper respiratory and digestive tracts, treated from January 1948 through December 1965, had no evidence of disease five years after the initial treatment and no other manifestation of squamous cell carcinoma within the first five years. After fiv...

journal_title：Radiology

authors： Kogelnik HD,Fletcher GH,Jesse RH

更新日期：1975-05-01 00:00:00

abstract：:The Kimray-Greenfield filter is a wire cage which is inserted into the inferior vena cava (IVC) to prevent thrombi originating in pelvic and leg veins from embolizing to the lungs. Duplex real-time/pulsed Doppler ultrasound was used to evaluate placement and function in 38 patients (46 examinations). Real-time examina...

journal_title：Radiology

authors： Pasto ME,Kurtz AB,Jarrell BE,Dubbins PA,Rifkin MD,Cole-Beuglet C,Baltarowich O,Goldberg BB

更新日期：1983-07-01 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：:A presumed new radiological-pathological entity of atherosclerotic subintimal of the carotid artery is described. Subintimal hematomas were found in 12 of 50 (24%) carotid bifurcations during surgery for repeated transient ischemic attacks in a single hemispheric distribution; only 33% were associated with ulcerations...

journal_title：Radiology

authors： Edwards JH,Kricheff II,Gorstein F,Riles T,Imparato A

更新日期：1979-10-01 00:00:00

abstract：:Retrospective evaluation of 125 consecutive gallbladder sonograms was done to determine the conditions under which a thickened gallbladder wall is identified. The population studied included a large number of chronic alcoholics. Forty-two patients (Group A) had thickened (greater than or equal to 3 mm) gallbladder wal...

journal_title：Radiology

authors： Fiske CE,Laing FC,Brown TW

更新日期：1980-06-01 00:00:00

abstract：PURPOSE:To investigate and describe the anatomic distribution, imaging features, and pattern of metastatic spread of malignant gastrointestinal stromal tumors (GISTs). MATERIALS AND METHODS:The medical records of all patients at our institution with a histologic diagnosis of GIST were reviewed. Two radiologists with k...

journal_title：Radiology

authors： Burkill GJ,Badran M,Al-Muderis O,Meirion Thomas J,Judson IR,Fisher C,Moskovic EC

更新日期：2003-02-01 00:00:00

abstract：:Prospective data were collected on complications associated with intraarterial digital subtraction angiography in 2,475 consecutive patients at a 650-bed Melbourne teaching hospital. Carotid or cerebral studies were performed in 939 patients, and the prevalence of stroke (ie, permanent neurologic deficit) was 0.3%. Th...

journal_title：Radiology

authors： Waugh JR,Sacharias N

更新日期：1992-01-01 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：PURPOSE:To develop a bilateral femoral magnetic resonance (MR) angiographic examination that would include the aortic bifurcation to the ankle. MATERIALS AND METHODS:Thirty-seven patients underwent conventional angiography and the bilateral femoral MR angiographic examination. Two-dimensional time-of-flight angiograph...

journal_title：Radiology

authors： Quinn SF,Demlow TA,Hallin RW,Eidemiller LR,Szumowski J

更新日期：1993-10-01 00:00:00

abstract：:Transrectal catheter drainage was performed under radiologic guidance in eight patients with deep pelvic abscesses during a 7-month period. One patient underwent two procedures. In five patients, the abscess could not be palpated at rectal examination. Seven procedures were performed with fluoroscopic guidance. Transr...

journal_title：Radiology

authors： Bennett JD,Kozak RI,Taylor BM,Jory TA

更新日期：1992-12-01 00:00:00

abstract：:Extramedullary plasmacytoma is a rare form of plasma cell dyscrasia, in which malignant plasma cell tumors arise outside the bone marrow. The tumor may arise in any part of the body but the vast majority occur in the head and neck, primarily in the nasal cavity, paranasal sinuses, or upper airway. Six patients with ex...

journal_title：Radiology

authors： Schabel SI,Rogers CI,Rittenberg GM,Bubanj R

更新日期：1978-09-01 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：:High-activity iodine-125 sources in plastic catheters were surgically placed in the cerebral white matter of healthy beagle dogs and later removed. Reference doses, calculated at a point 0.75 mm from the source, ranged from 10 to 40 Gy. Necrosis, vascular-related damage, and edema were quantified by computed tomograph...

journal_title：Radiology

authors： Turowski K,Fike JR,Cann CE,Higgins RJ,Davis RL,Gutin PH,Phillips TL,Weaver KA

更新日期：1986-03-01 00:00:00

abstract：:A computer based verification system which monitors the operation of a 4-MV linear accelerator is described. Fourteen parameters can be checked for proper alignment prior to irradiation. A training simulator was also built to minimize interference with treatment schedules and to provide technicians with experience in ...

journal_title：Radiology

authors： Sternick ES,Berry JR,Curran B,Loomis SA

更新日期：1979-04-01 00:00:00

abstract：PURPOSE:To prospectively evaluate the learning curves and reading times of inexperienced readers who used the virtual dissection reading method for retrospective computed tomographic (CT) colonography data sets, with and without concurrent computer-aided detection (CAD). MATERIALS AND METHODS:An Institutional Review B...

journal_title：Radiology

authors： Hock D,Ouhadi R,Materne R,Aouchria AS,Mancini I,Broussaud T,Magotteaux P,Nchimi A

更新日期：2008-09-01 00:00:00

abstract：:Purpose To compare low- versus high-frequency ultrasonographic (US) elastography for detection of steatohepatitis in rats by using histopathologic findings as the reference standard. Materials and Methods Between March and September 2014, after receiving approval from the institutional animal care committee, 60 male S...

journal_title：Radiology

authors： Kazemirad S,Zhang E,Nguyen BN,Bodson-Clermont P,Destrempes F,Trudel D,Cloutier G,Tang A

更新日期：2017-03-01 00:00:00

abstract：PURPOSE:To prospectively assess the effect of including or excluding endocardial trabeculae in left ventricular (LV) measurements and the reproducibility of these measurements at cine cardiovascular magnetic resonance (MR) imaging with true fast imaging with steady-state precession (FISP). MATERIALS AND METHODS:The st...

journal_title：Radiology

authors： Papavassiliu T,Kühl HP,Schröder M,Süselbeck T,Bondarenko O,Böhm CK,Beek A,Hofman MM,van Rossum AC

更新日期：2005-07-01 00:00:00

abstract：PURPOSE:To determine whether any initial reductions in cardiovascular reserve (CVR) normalize after carotid revascularization and-because reduced CVR represents a risk factor for ischemic events-whether patients who develop periinterventional infarction have more severely reduced pretreatment CVR than those who do not....

journal_title：Radiology

authors： Haller S,Bonati LH,Rick J,Klarhöfer M,Speck O,Lyrer PA,Bilecen D,Engelter ST,Wetzel SG

更新日期：2008-10-01 00:00:00

abstract：:Solid intrarenal neoplasms in children are usually Wilms tumors. Occasionally, however, a neuroblastoma appears to be intrarenal. In six cases where this phenomenon was observed, the histologic findings of each tumor were identical: undifferentiated neuroblastoma. In each case the child's condition rapidly and progres...

journal_title：Radiology

authors： Rosenfield NS,Leonidas JC,Barwick KW

更新日期：1988-01-01 00:00:00

abstract：PURPOSE:To compare and evaluate the measures of costs for core-needle and surgical breast biopsies. MATERIALS AND METHODS:Three measures of costs were evaluated: (a) input resources, (b) actual payments, and (c) billed charges. A combination of methods were used for data collection from 10 sites enrolled in a large-sc...

journal_title：Radiology

authors： Burkhardt JH,Sunshine JH

更新日期：1999-07-01 00:00:00

abstract：PURPOSE:To determine the reliability and accuracy of magnetic resonance (MR) arthrography for the diagnosis of superior labral anterior posterior (SLAP) tears. MATERIALS AND METHODS:The MR arthrograms in 80 patients who underwent arthroscopy and MR arthrography during a 54-month period were retrospectively reviewed. M...

journal_title：Radiology

authors： Jee WH,McCauley TR,Katz LD,Matheny JM,Ruwe PA,Daigneault JP

更新日期：2001-01-01 00:00:00

abstract：PURPOSE:To retrospectively evaluate high-spatial-resolution signal enhancement ratio (SER) imaging for the prediction of disease recurrence in patients with breast cancer who underwent preoperative magnetic resonance (MR) imaging. MATERIALS AND METHODS:This retrospective study was approved by the institutional review ...

journal_title：Radiology

authors： Li KL,Partridge SC,Joe BN,Gibbs JE,Lu Y,Esserman LJ,Hylton NM

更新日期：2008-07-01 00:00:00

abstract：:An unusual case of unintentional release of a spring coil into the superior mesenteric artery is reported. The coil migrated distally into the ileocolic artery, and the situation was successfully resolved by retrieval of the coil with grasping forceps. ...

journal_title：Radiology

authors： Vujic I,Moore L,McWey RE

更新日期：1986-08-01 00:00:00

abstract：PURPOSE:To investigate technical feasibility, test-retest reproducibility, and the ability to differentiate healthy subjects from subjects with osteoarthritis (OA) with diffusion-tensor (DT) imaging parameters and T2 relaxation time. MATERIALS AND METHODS:This study was approved by the institutional review board and w...

journal_title：Radiology

authors： Raya JG,Horng A,Dietrich O,Krasnokutsky S,Beltran LS,Storey P,Reiser MF,Recht MP,Sodickson DK,Glaser C

更新日期：2012-02-01 00:00:00

abstract：:Purpose To evaluate glass-fiber-based guidewires that are safe for magnetic resonance (MR) imaging-guided endovascular interventions by using a phantom and an in vivo swine model. Materials and Methods MR imaging-safe guidewires were made from micropultruded glass and/or aramid fibers and epoxy resin with diameters of...

journal_title：Radiology

authors： Massmann A,Buecker A,Schneider GK

更新日期：2017-08-01 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：:This study evaluates the mammographic findings in 352 patients, aged 30-85 years, who underwent spot localization and biopsy for evaluation of nonpalpable breast abnormalities. Malignancy was found at biopsy in 114 cases. The mammographic appearance (specifically, whether grouped microcalcifications, mass, or both wer...

journal_title：Radiology

authors： Hermann G,Janus C,Schwartz IS,Papatestas A,Hermann DG,Rabinowitz JG

更新日期：1988-11-01 00:00:00