Wide-field X-ray tube comparisons.

abstract：:Retrospective analysis of 139 ventilation-perfusion (V/Q) lung scans obtained for suspected pulmonary embolism (PE) was undertaken, using the Biello criteria for interpretation. All scans were correlated with chest radiographs obtained within 24 hours and with pulmonary angiograms obtained within 72 hours of the V/Q s...

journal_title：Radiology

authors： Spies WG,Burstein SP,Dillehay GL,Vogelzang RL,Spies SM

更新日期：1986-05-01 00:00:00

abstract：:The critical aspects of selection, acceptance testing, and quality control of a radiotherapy treatment simulator are discussed. The selection of a simulator involves consideration of: (a) motions and readouts, (b) safety features, (c) x-ray and imaging systems, and (d) mechanical tolerances (including guarantees). Whe...

journal_title：Radiology

authors： McCullough EC,Earle JD

更新日期：1979-04-01 00:00:00

abstract：:Optical imaging currently can be used to characterize some of the early steps in the angiogenic pathway in vivo in animals. Liu and Matsui have provided valuable information in regard to the sequential changes in the origin and nature of newly formed blood vessels during progressive stages of growth of hepatic colorec...

journal_title：Radiology

authors： Kruskal JB

更新日期：2007-05-01 00:00:00

abstract：:The authors report a case of traumatic removal of nerve tissue during myelography with the Chynn aspiration cannula. If such a situation occurs, the authors suggest making a second puncture at a different level. ...

journal_title：Radiology

authors： Brodey PA,London SS,Sung MA

更新日期：1977-12-01 00:00:00

abstract：:A prospective, comparative study was made of the efficacy of technetium-99m pyrophosphate (Tc PYP) and technetium-99m methylene diphosphonate (Tc MDP) in detecting soft-tissue amyloidosis. Tc PYP and Tc MDP scans were obtained within ten-day intervals in seven patients with histologically proven amyloidosis. Tc PYP wa...

journal_title：Radiology

authors： Lee VW,Caldarone AG,Falk RH,Rubinow A,Cohen AS

更新日期：1983-07-01 00:00:00

abstract：:Purpose To evaluate the association between Breast Imaging Reporting and Data System (BI-RADS) mammographic and magnetic resonance (MR) imaging features and breast cancer recurrence risk in patients with estrogen receptor-positive breast cancer who underwent the Oncotype DX assay. Materials and Methods In this institu...

journal_title：Radiology

authors： Woodard GA,Ray KM,Joe BN,Price ER

更新日期：2018-01-01 00:00:00

abstract：:It appears reasonable to suggest a histological diagnosis of ependymoma when CT shows an isodense tumor expanding the fourth ventricle or lying within its outlets; when the tumor contains small, round calcifications; and when presentation occurs early in life. An isodense mass occurring in the cerebral white matter, c...

journal_title：Radiology

authors： Swartz JD,Zimmerman RA,Bilaniuk LT

更新日期：1982-04-01 00:00:00

abstract：:A high-resolution real-time ultrasound sector scanner was used in the evaluation of patients with suspected gallbladder disease. This technique is noninvasive, requires minimal preparation, and takes less than five minutes for a thorough examination of the gallbladder and related anatomy. In 17 months, 959 patients we...

journal_title：Radiology

authors： Cooperberg PL,Pon MS,Wong P,Stoller JL,Burhenne HJ

更新日期：1979-06-01 00:00:00

abstract：PURPOSE:To evaluate radiologists' performance for determining a distinction between benign and malignant pulmonary nodules on chest radiographs without and with use of a computer-aided diagnosis scheme. MATERIALS AND METHODS:Fifty-three chest radiographs that depicted 31 primary lung cancers and 22 benign nodules were...

journal_title：Radiology

authors： Shiraishi J,Abe H,Engelmann R,Aoyama M,MacMahon H,Doi K

更新日期：2003-05-01 00:00:00

abstract：PURPOSE:To clarify the computed tomographic (CT) features of focal organizing pneumonia. MATERIALS AND METHODS:The authors retrospectively studied CT scans of 18 patients with histologically proved focal organizing pneumonia. Chest radiographs in all 18 patients suggested bronchogenic carcinoma. RESULTS:Seventeen of ...

journal_title：Radiology

authors： Kohno N,Ikezoe J,Johkoh T,Takeuchi N,Tomiyama N,Kido S,Kondoh H,Arisawa J,Kozuka T

更新日期：1993-10-01 00:00:00

abstract：PURPOSE:To assess the cost-effectiveness of noninvasive imaging strategies in patients who have had a transient ischemic attack (TIA) or minor stroke and are suspected of having significant carotid artery stenosis. MATERIALS AND METHODS:From 1997 through 2000, 350 patients were included in a multicenter blinded consec...

journal_title：Radiology

authors： Buskens E,Nederkoorn PJ,Buijs-Van Der Woude T,Mali WP,Kappelle LJ,Eikelboom BC,Van Der Graaf Y,Hunink MG

更新日期：2004-10-01 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：PURPOSE:To determine the reliability and efficacy of magnetic resonance (MR) cholangiography in demonstrating the site and extent of stricture. MATERIALS AND METHODS:In 40 patients with obstructive jaundice, three-dimensional MR cholangiography was performed with a sequence of mirrored fast imaging with steady-state p...

journal_title：Radiology

authors： Hall-Craggs MA,Allen CM,Owens CM,Theis BA,Donald JJ,Paley M,Wilkinson ID,Chong WK,Hatfield AR,Lees WR

更新日期：1993-11-01 00:00:00

abstract：:Five patients with pyarthrosis complicating rheumatoid arthritis are described. Only minimal clinical signs may be seen in such patients, making accurate diagnosis of this occasional complication difficult. Roentgenographic abnormalities include a rapidly enlarging joint effusion and progressive cartilage and bone des...

journal_title：Radiology

authors： Resnick D

更新日期：1975-03-01 00:00:00

abstract：:The case histories and radiologic studies of eight liver transplant recipients who developed a mucocele of the allograft cystic duct remnant were retrospectively evaluated. All patients had clinical and/or laboratory evidence of biliary obstruction or cholangitis from 2 weeks to 3.3 years following transplantation. Ch...

journal_title：Radiology

authors： Zajko AB,Bennett MJ,Campbell WL,Koneru B

更新日期：1990-12-01 00:00:00

abstract：:Five patients with frostbite injury were studied by selective angiography and treated by selective intra-arterial application of reserpine with follow-up angiography two days later. Control angiograms showed various degrees of vascular spasm as well as organic stenosis and occlusion. Intra-arterial reserpine produced ...

journal_title：Radiology

authors： Gralino BJ,Porter JM,Rosch J

更新日期：1976-05-01 00:00:00

abstract：:Radiographs, computed tomograms, and radionuclide bone scans were obtained preoperatively in three children with fibromatosis involving the bones and soft tissues of the extremities. Two of the children had identical scar-like bone lesions of the proximal tibia, which, to the authors' knowledge, have not been reported...

journal_title：Radiology

authors： Capusten BM,Azouz EM,Rosman MA

更新日期：1984-09-01 00:00:00

abstract：PURPOSE:To prospectively evaluate the safety and effectiveness of radiofrequency ablation with a multiple-electrode switching system for the treatment of renal cell carcinoma (RCC). MATERIALS AND METHODS:From November 2009 to December 2010, 33 patients (mean age, 70.7 years; range, 44-86 years) with histologically pro...

journal_title：Radiology

authors： Takaki H,Nakatsuka A,Uraki J,Yamanaka T,Fujimori M,Hasegawa T,Arima K,Sugimura Y,Yamakado K

更新日期：2013-04-01 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：: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：:Thirty-five patients with suspected internal derangements of the knee were examined with conventional two-dimensional (2D) spin-echo magnetic resonance (MR) imaging techniques and a new rapid three-dimensional (3D) method called 3D FASTER (field echo acquisition with a short repetition time and echo reduction). A 9-mi...

journal_title：Radiology

authors： Harms SE,Flamig DP,Fisher CF,Fulmer JM

更新日期：1989-12-01 00:00:00

abstract：:The Radiation Oncology Center in Sacramento, California, has developed a procedure for establishing an intraoperative radiation therapy facility in a community practice. The logistics pertaining to personnel, equipment, physical measurements, and quality assurance are presented. Particular emphasis is given to the mos...

journal_title：Radiology

authors： Wolkov HB,Chenery SG,Asche DR,McPeek EC,Hanks GE,Holmes TW

更新日期：1988-07-01 00:00:00

abstract：:Eight patients with liver disease and seriously abnormal blood coagulation underwent biopsy of the liver performed through a percutaneously introduced sheath, followed by embolization of the biopsy track with steel coils. In all cases the biopsy procedure produced profuse bleeding through the sheath. However, the blee...

journal_title：Radiology

authors： Allison DJ,Adam A

更新日期：1988-10-01 00:00:00

abstract：:The findings at magnetic resonance (MR) imaging in a group of 36 pathologically verified supratentorial gliomas were analyzed and compared with the biopsy diagnoses (a) to determine whether MR imaging could be used to classify astrocytic-series tumors into a three-tiered system of low-grade astrocytoma, anaplastic ast...

journal_title：Radiology

authors： Dean BL,Drayer BP,Bird CR,Flom RA,Hodak JA,Coons SW,Carey RG

更新日期：1990-02-01 00:00:00

abstract：PURPOSE:To determine whether fetal growth measured at serial ultrasonographic (US) examinations can predict neonatal morbidity, independent of whether gestational age is known. MATERIALS AND METHODS:Women (n = 321) who had singleton pregnancies and underwent two or more second- or third-trimester obstetric US examinat...

journal_title：Radiology

authors： Smith-Bindman R,Chu PW,Ecker JL,Feldstein VA,Filly RA,Bacchetti P

更新日期：2002-04-01 00:00:00

abstract：:Uterine fibroids occur in approximately 50% of women over the age of 40 years, and an estimated 50% of those are symptomatic. Menorrhagia is the most common symptom and the primary indication for treatment, although bulk symptoms often occur and can be treated. Pharmacotherapy is typically inadequate unless it can be ...

journal_title：Radiology

authors： Silberzweig JE,Powell DK,Matsumoto AH,Spies JB

更新日期：2016-09-01 00:00:00

abstract：PURPOSE:To determine whether computed tomographic (CT) findings can help differentiate between benign and clinically worrisome causes of pneumatosis intestinalis (PI) in children. MATERIALS AND METHODS:This retrospective study was approved by the institutional review board, and requirement for informed consent was wai...

journal_title：Radiology

authors： Olson DE,Kim YW,Ying J,Donnelly LF

更新日期：2009-11-01 00:00:00

abstract：PURPOSE:To evaluate independent double reading in mammography screening and, specifically, the effect on breast cancer detection. MATERIALS AND METHODS:Mammographic studies of 11,343 women, aged 41-75 years, who participated in a population-based screening program were independently screened by two experienced radiolo...

journal_title：Radiology

authors： Thurfjell EL,Lernevall KA,Taube AA

更新日期：1994-04-01 00:00:00

abstract：PURPOSE:To test, by using an electrotransfer protocol for the transfection of skeletal muscle with naked plasmid complementary DNA, whether in vivo magnetic resonance (MR) imaging can help delineate either the spatial extent of the electric field when contrast agent is injected intraperitoneally or the transfection are...

journal_title：Radiology

authors： Paturneau-Jouas M,Parzy E,Vidal G,Carlier PG,Wary C,Vilquin JT,de Kerviler E,Schwartz K,Leroy-Willig A

更新日期：2003-09-01 00:00:00

abstract：:In a comparison of conventional and magnetic resonance (MR) angiography of the lower extremities, MR imaging was performed with extremity and body coils and a unilateral six-coil telescopic phased-array coil. In one of seven volunteers, average signal-to-noise ratio was 140% higher with the latter (p < .01), only thre...

journal_title：Radiology

authors： Kojima KY,Szumowski J,Sheley RC,Quinn SF

更新日期：1995-09-01 00:00:00