Postmyelography headache rates with Whitacre versus Quincke 22-gauge spinal needles.

abstract：PURPOSE:To investigate the histopathologic anatomy of calcium pyrophosphate dihydrate (CPPD) crystal deposition in and around the atlantoaxial joint and the association between CPPD crystal deposition and subchondral cysts, erosions, and fracture involving the odontoid process of the axis. MATERIALS AND METHODS:One ad...

journal_title：Radiology

authors： Kakitsubata Y,Boutin RD,Theodorou DJ,Kerr RM,Steinbach LS,Chan KK,Pathria MN,Haghighi P,Resnick D

更新日期：2000-07-01 00:00:00

abstract：:Two cases of leiomyosarcoma of the inferior vena cava showed a high degree of obstruction of the inferior cava, enlarged local arteries supplying the lesion, neovascularity, and a marked parenchymal blush. Collateral veins bridge the obstruction. ...

journal_title：Radiology

authors： Tegtmeyer CJ,Buschi A

更新日期：1977-03-01 00:00:00

abstract：:In his overview of the history and theoretical developments of radiotherapy, the author stresses the following concepts: (a) sensitivity is not linked to histology but to the volume of cancer; (b) the dose must not necessarily be homogeneous in the target volume but related to varying volumes of cancer; (c) the fact t...

journal_title：Radiology

authors： Fletcher GH

更新日期：1978-04-01 00:00:00

abstract：:Quantitative microstructural sonography differs from conventional sonography in several ways. The frequency as well as the amplitude of echoes is recorded and assessed using spectral analysis techniques. The effects of diffraction of the ultrasound beam are calibrated, as are the transfer characteristics of the system...

journal_title：Radiology

authors： King DL,Lizzi FL,Feleppa EJ,Wai PM,Yaremko MM,Rorke MC,Herbst J

更新日期：1985-05-01 00:00:00

abstract：:The sonograms of 34 patients with surgically proved pelvic hemoperitoneum were reviewed. In 15 of these patients clotted blood was found at surgery in the pelvis or cul-de-sac. In nine of these patients (60%), ultrasound demonstrated echogenic fluid collections or "masses" with an echogenicity equal to or greater than...

journal_title：Radiology

authors： Jeffrey RB,Laing FC

更新日期：1982-10-01 00:00:00

abstract：PURPOSE:To prospectively evaluate accuracy and predictive values of Doppler ultrasonographic (US) measurement of portal blood velocity (PBV) and splenic pulsatility index (SPI) in diagnosis of clinically relevant acute rejection in patients with clinicobiochemical hepatic dysfunction after orthotopic liver transplantat...

journal_title：Radiology

authors： Bolognesi M,Sacerdoti D,Mescoli C,Nava V,Bombonato G,Merkel C,Merenda R,Angeli P,Rugge M,Gatta A

更新日期：2005-05-01 00:00:00

abstract：:The authors suggest that ultrasound be used in the evaluation of juxtadiaphragmatic lesions before resorting to other radiographic methods. This technique gives accurate diagnoses, serves as a guide for further studies, and might obviate more extensive procedures. ...

journal_title：Radiology

authors： Kangarloo H,Sukov R,Sample WF,Lipson M,Smith L

更新日期：1977-12-01 00:00:00

abstract：PURPOSE:To evaluate resonant circuits as markers for magnetic resonance (MR) imaging-guided placement of nitinol stents. MATERIALS AND METHODS:The study was approved by the institutional animal research committee and complied with National Institutes of Health guidelines for care and use of laboratory animals. Resonan...

journal_title：Radiology

authors： Kuehne T,Weiss S,Brinkert F,Weil J,Yilmaz S,Schmitt B,Ewert P,Lange P,Gutberlet M

更新日期：2004-12-01 00:00:00

abstract：:Hemodialysis catheters are an integral part of the delivery of hemodialysis. While catheters play an important role in the patient undergoing hemodialysis, catheters should be considered a bridge to more permanent forms of dialysis access in most patients. Recent advances in catheter technology, access techniques, and...

journal_title：Radiology

authors： Trerotola SO

更新日期：2000-06-01 00:00:00

abstract：:Purpose To identify wall enhancement patterns on vessel wall MRI that discriminate between stable and unstable unruptured intracranial aneurysm (UIA). Materials and Methods Patients were included from November 2012 through January 2016. Vessel wall MR images were acquired at 3 T in patients with stable (incidental and...

journal_title：Radiology

authors： Edjlali M,Guédon A,Ben Hassen W,Boulouis G,Benzakoun J,Rodriguez-Régent C,Trystram D,Nataf F,Meder JF,Turski P,Oppenheim C,Naggara O

更新日期：2018-10-01 00:00:00

abstract：:Bronchial webs are rare lesions which often go unrecognized. The authors describe a patient who presented with right-lower-lobe bronchiectasis and at-electasis secondary to a web in the right-lower-lobe bronchus. This is the first known instance where such a lesion has been demonstrated by bronchography. The etiology ...

journal_title：Radiology

authors： Patronas NJ,MacMahon H,Variakojis D

更新日期：1976-12-01 00:00:00

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

journal_title：Radiology

authors： Menon BK,Goyal M

更新日期：2015-10-01 00:00:00

abstract：:Fifty-one arteriograms were obtained outside of the radiology department with portable digital subtraction angiographic equipment. Thirty-five studies were performed in the emergency room, 12 in the operating room, and four in the intensive care unit. There was a significant decrease in the time interval from arrival ...

journal_title：Radiology

authors： King JN,Orrison WW,Keck GM,Demarest GB,Hinson JE,Sell JJ

更新日期：1989-09-01 00:00:00

abstract：:Radiologically guided balloon catheters were used to dilate 94 gastrointestinal strictures in 92 patients over a 6-year period. Fifty strictures were esophageal and 44 nonesophageal (22 gastroenterostomies, 11 antral-pyloric strictures, four colorectal strictures, four enteroenterostomies, and three miscellaneous stri...

journal_title：Radiology

authors： McLean GK,Cooper GS,Hartz WH,Burke DR,Meranze SG

更新日期：1987-10-01 00:00:00

abstract：:Treatment of complex intracranial aneurysms by means of interventional neurovascular techniques is now being performed with a newly developed silicone detachable-microballoon device. The balloon is composed of unique silicone elastomers that are extremely soft and malleable. It therefore conforms to the blood vessel l...

journal_title：Radiology

authors： Higashida RT,Halback VV,Dormandy B,Bell JD,Hieshima GB

更新日期：1990-03-01 00:00:00

abstract：:The pulmonary manifestations of 5 biopsy-proved cases of lymphomatoid granulomatosis are discussed. Two patients had diffuse reticulonodular infiltration of the lungs, thought to represent infiltrates of lymphomatoid granulomatosis. Three had nodular densities of varying size and distribution, with radiologically norm...

journal_title：Radiology

authors： Dee PM,Arora NS,Innes DJ Jr

更新日期：1982-06-01 00:00:00

abstract：:Purpose To determine the effect of radiation dose and iterative reconstruction (IR) on noise, contrast, resolution, and observer-based detectability of subtle hypoattenuating liver lesions and to estimate the dose reduction potential of the IR algorithm in question. Materials and Methods This prospective, single-cente...

journal_title：Radiology

authors： Solomon J,Marin D,Roy Choudhury K,Patel B,Samei E

更新日期：2017-09-01 00:00:00

abstract：:A clinical comparison study of scanning equalization radiography (SER) and conventional chest radiography was performed with the latest prototype SER system. Conventional chest radiography was performed at 120 kVp with Lanex regular screens (Eastman Kodak, Rochester, NY) and Kodak Ortho-G or Ortho-C film (Eastman Koda...

journal_title：Radiology

authors： Wandtke JC,Plewes DB

更新日期：1989-09-01 00:00:00

abstract：PURPOSE:To evaluate the effect of the introduction of digital mammography on the recall rate, detection rate, false-positive rate, and rates of invasive procedures in a cohort of women from four population-based breast cancer screening programs in Spain. MATERIALS AND METHODS:The study was approved by the ethics commi...

journal_title：Radiology

authors： Sala M,Salas D,Belvis F,Sánchez M,Ferrer J,Ibañez J,Román R,Ferrer F,Vega A,Laso MS,Castells X

更新日期：2011-02-01 00:00:00

abstract：PURPOSE:To prospectively evaluate accuracy of arterial phase multi-detector row helical computed tomography (CT) for detection and localization of acute massive gastrointestinal (GI) bleeding, with angiography as reference standard. MATERIALS AND METHODS:Institutional review board approved this study; written informed...

journal_title：Radiology

authors： Yoon W,Jeong YY,Shin SS,Lim HS,Song SG,Jang NG,Kim JK,Kang HK

更新日期：2006-04-01 00:00:00

abstract：:Purpose To develop and validate a deep learning algorithm that predicts the final diagnosis of Alzheimer disease (AD), mild cognitive impairment, or neither at fluorine 18 (18F) fluorodeoxyglucose (FDG) PET of the brain and compare its performance to that of radiologic readers. Materials and Methods Prospective 18F-FD...

journal_title：Radiology

authors： Ding Y,Sohn JH,Kawczynski MG,Trivedi H,Harnish R,Jenkins NW,Lituiev D,Copeland TP,Aboian MS,Mari Aparici C,Behr SC,Flavell RR,Huang SY,Zalocusky KA,Nardo L,Seo Y,Hawkins RA,Hernandez Pampaloni M,Hadley D,Franc BL

更新日期：2019-02-01 00:00:00

abstract：PURPOSE:To determine whether magnetic resonance (MR) imaging with diffusion-weighted (DW) imaging can help discriminate between radiologically indeterminate benign and malignant orbital masses and to identify optimal apparent diffusion coefficient (ADC) thresholds for such discrimination. MATERIALS AND METHODS:Informe...

journal_title：Radiology

authors： Sepahdari AR,Aakalu VK,Setabutr P,Shiehmorteza M,Naheedy JH,Mafee MF

更新日期：2010-08-01 00:00:00

abstract：:Multicenter, collaborative studies offer an effective way to meet the growing need for timely and generalizable clinical evaluations of imaging technologies. This article discusses issues of study design, statistical analysis, organization, and day-to-day group operation for collaborative prospective clinical evaluati...

journal_title：Radiology

authors： Gatsonis C,McNeil BJ

更新日期：1990-05-01 00:00:00

abstract：:A distinctive type of artifactual extravascular assignment of color was identified in 49 color Doppler ultrasound (US) examinations in 43 patients. This artifact appeared as a random localized mixture of red and blue assigned to perivascular soft tissues; the artifact varied with the cardiac cycle, being most prominen...

journal_title：Radiology

authors： Middleton WD,Erickson S,Melson GL

更新日期：1989-06-01 00:00:00

abstract：PURPOSE:To determine the radiologic appearance of ganglioneuromas of the adrenal gland and extra-adrenal retroperitoneum. MATERIALS AND METHODS:A retrospective review was performed of imaging findings in nine patients with ganglioneuroma, two with ganglioneuroma-pheochromocytoma, and two with malignant peripheral nerv...

journal_title：Radiology

authors： Radin R,David CL,Goldfarb H,Francis IR

更新日期：1997-03-01 00:00:00

abstract：:We compared the effectiveness of magnetic resonance (MR) imaging and computed tomography (CT) in evaluating sellar and juxtasellar lesions. Fifty-five lesions were imaged with a Technicare 0.5-T superconducting MR imager and GE 9800 and 8800 CT scanners: 26 pituitary adenomas (including six microadenomas), six craniop...

journal_title：Radiology

authors： Lee BC,Deck MD

更新日期：1985-10-01 00:00:00

abstract：:Purpose To assess subspecialty practice characteristics of the U.S. radiologist workforce. Materials and Methods This study used the Medicare Physician and Other Supplier Public Use File and did not constitute human subject research. The authors identified 33 090 radiologists who billed for professional services betwe...

journal_title：Radiology

authors： Rosenkrantz AB,Wang W,Hughes DR,Duszak R Jr

更新日期：2018-03-01 00:00:00

abstract：:Metabolic syndrome has become an important public health problem and has reached epidemic proportions globally. Metabolic syndrome is characterized by a cluster of metabolic abnormalities in an individual, with insulin resistance as the main characteristic. The major adverse consequence of metabolic syndrome is cardio...

journal_title：Radiology

authors： van der Meer RW,Lamb HJ,Smit JW,de Roos A

更新日期：2012-07-01 00:00:00

abstract：:Computed tomography (CT) scans of 9 surgically proved cases of cerebral abscess were reviewed. The CT characteristics were studied, as were the postoperative scans. Also assessed were the contributions to the diagnosis of the clinical features, plain radiographic examinations, radionuclide imaging, and angiography. Th...

journal_title：Radiology

authors： New PF,Davis KR,Ballantine HT Jr

更新日期：1976-12-01 00:00:00

abstract：PURPOSE:To evaluate involvement of the lower uterine segment (LUS) in adenocarcinoma of the endometrium and to identify patterns of treatment failure. MATERIALS AND METHODS:Two hundred four patients, aged 29-92 years, with endometrial carcinoma underwent surgery. Postoperative radiation therapy was administered for ad...

journal_title：Radiology

authors： Mayr NA,Wen BC,Benda JA,Sorosky JI,Davis CS,Fuller RW,Hussey DH

更新日期：1995-08-01 00:00:00