Spinal subdural hematoma.

abstract：:The angiographic appearance in a patient with multiple bile-duct hamartomas of the liver is described. The lesions showed abnormal vascularity, consisting of grapelike clusters of small rings, which could be confused with other benign and malignant conditions demonstrable by angiography; however, it may ultimately pro...

journal_title：Radiology

authors： McLoughlin MJ,Phillips MJ

更新日期：1975-07-01 00:00:00

abstract：:To reduce noise in velocity images of magnetic resonance (MR) phase-contrast measurements, the authors implemented and evaluated a pulse sequence that enables automatic optimization of the velocity-encoding parameter V(enc) for individual heart phases in pulsatile flow on the basis of a rapid prescan. This sequence wa...

journal_title：Radiology

authors： Ringgaard S,Oyre SA,Pedersen EM

更新日期：2004-07-01 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：:Radiologists are frequently called upon to perform percutaneous biopsy. Selection of the proper needle is becoming more complex as the number of types increases and reports of better results with certain needles proliferate. The authors evaluated a wide variety of needles of different caliber, cutting tip, and bevel. ...

journal_title：Radiology

authors： Andriole JG,Haaga JR,Adams RB,Nunez C

更新日期：1983-09-01 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：:One hundred fifty-eight magnetic resonance (MR) imaging studies of the spine were reviewed to assess the frequency and distribution of focal deposits with signal behavior typical of fat in the axial bone marrow. In addition, three fresh cadaveric spines were evaluated with MR imaging and subsequently sectioned for ana...

journal_title：Radiology

authors： Hajek PC,Baker LL,Goobar JE,Sartoris DJ,Hesselink JR,Haghighi P,Resnick D

更新日期：1987-01-01 00:00:00

abstract：:In 12 healthy volunteers and eight patients with cardiac disease, cine magnetic resonance (MR) imaging in the heart was performed with real-time true fast imaging with steady-state precession (FISP), which permitted evaluation of the entire left ventricle in one breath hold (91 msec per frame, 13 frames per section po...

journal_title：Radiology

authors： Lee VS,Resnick D,Bundy JM,Simonetti OP,Lee P,Weinreb JC

更新日期：2002-03-01 00:00:00

abstract：:Purpose To quantify the rate of detection of aneurysms at follow-up digital subtraction angiography (DSA) after initial DSA with results negative for aneurysms in subjects with perimesencephalic (PM) nonaneurysmal subarachnoid hemorrhage. Materials and Methods This single-center retrospective study and meta-analysis w...

journal_title：Radiology

authors： Potter CA,Fink KR,Ginn AL,Haynor DR

更新日期：2016-12-01 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：:A review of the records of 23 patients with squamous cell carcinoma of the oral tongue and floor of mouth treated with irradiation after excisional biopsy has shown that: (a) Radiotherapy, primarily using interstitial radium implants, results in excellent local control of the primary area (100%) with preservation of f...

journal_title：Radiology

authors： Ange DW,Lindberg RD,Guillamondegui OM

更新日期：1975-07-01 00:00:00

abstract：:All screening radiographs of the chest and other medical records of 107 patients with histologically proved lung cancer in a fixed population were reviewed to assess the efficacy of biennial chest radiography in detecting lung cancer. Radiographic abnormalities caused by tumors were initially detected in 58 patients (...

journal_title：Radiology

authors： Hayabuchi N,Russell WJ,Murakami J,Nishitani H

更新日期：1983-08-01 00:00:00

abstract：:In an azotemic patient with suspected renal artery stenosis, undiluted gadopentetate dimeglumine was administered in an aortic bolus to provide contrast at digital subtraction angiography of the aorta and renal arteries. The contrast material (5 mmol/mL) was power injected (rate, 15 mL/sec; total dose, 30 mL). Selecti...

journal_title：Radiology

authors： Matchett WJ,McFarland DR,Russell DK,Sailors DM,Moursi MM

更新日期：1996-11-01 00:00:00

abstract：PURPOSE:To evaluate the combined use of several ultrasonographic (US) criteria in the detection of Perthes disease. MATERIALS AND METHODS:In a prospective study, 144 consecutive children with a painful hip underwent US. The thicknesses of the (a) anterior recess of the joint capsule, (b) cartilage of the femoral head,...

journal_title：Radiology

authors： Robben SG,Meradji M,Diepstraten AF,Hop WC

更新日期：1998-07-01 00:00:00

abstract：PURPOSE:To correlate the in vivo hydrogen 1 ((1)H) magnetic resonance (MR) spectroscopic features of the chronic hepatitis-involved liver with the histopathologic stages of fibrosis. MATERIALS AND METHODS:Seventy-five patients with chronic hepatitis were examined with (1)H MR spectroscopy, which was performed in the r...

journal_title：Radiology

authors： Cho SG,Kim MY,Kim HJ,Kim YS,Choi W,Shin SH,Hong KC,Kim YB,Lee JH,Suh CH

更新日期：2001-12-01 00:00:00

abstract：PURPOSE:To use artificial intelligence methods to determine whether quantitative parameters describing the perfusion image can be synthesized to make a reasonable estimate of the pulmonary arterial (PA) pressure measured at angiography. MATERIALS AND METHODS:Radionuclide perfusion images were obtained in 120 patients ...

journal_title：Radiology

authors： Scott JA

更新日期：2002-08-01 00:00:00

abstract：PURPOSE:To assess the feasibility of automatic needle-guide tracking by using a real-time phase-only cross correlation ( POCC phase-only cross correlation ) algorithm-based sequence for transrectal 3-T in-bore magnetic resonance (MR)-guided prostate biopsies. MATERIALS AND METHODS:This study was approved by the ethics...

journal_title：Radiology

authors： Zamecnik P,Schouten MG,Krafft AJ,Maier F,Schlemmer HP,Barentsz JO,Bock M,Fütterer JJ

更新日期：2014-12-01 00:00:00

abstract：:This report is to complement the original Fleischner Society recommendations for incidentally detected solid nodules by proposing a set of recommendations specifically aimed at subsolid nodules. The development of a standardized approach to the interpretation and management of subsolid nodules remains critically impor...

journal_title：Radiology

authors： Naidich DP,Bankier AA,MacMahon H,Schaefer-Prokop CM,Pistolesi M,Goo JM,Macchiarini P,Crapo JD,Herold CJ,Austin JH,Travis WD

更新日期：2013-01-01 00:00:00

abstract：PURPOSE:To investigate the correlation between magnetic resonance (MR) imaging findings and pathologic subtype classification of hepatocellular adenoma (HCA). MATERIALS AND METHODS:This retrospective study was approved by the institutional review board, and the requirement for informed consent was waived. MR imaging s...

journal_title：Radiology

authors： van Aalten SM,Thomeer MG,Terkivatan T,Dwarkasing RS,Verheij J,de Man RA,Ijzermans JN

更新日期：2011-10-01 00:00:00

abstract：:Hirschprung disease is usually diagnosed in infancy. Occasionally patients reach adulthood without diagnosis or treatment. Four cases of adult Hirschprung disease are described. The principal radiographic findings are a markedly dilated, feces-filled colon above the zone of transition; a narrowed rectum; a cone- or fu...

journal_title：Radiology

authors： Mindelzun RE,Hicks SM

更新日期：1986-09-01 00:00:00

abstract：:Shoulder disease is common in the athletic population and may arise as a consequence of a single traumatic episode or multiple repeated events. Associated labroligamentous injuries can result in substantial disability. Specific athletic and occupational activities result in predictable injury patterns. Imaging in gene...

journal_title：Radiology

authors： Roy EA,Cheyne I,Andrews GT,Forster BB

更新日期：2016-02-01 00:00:00

abstract：:Studies of 23 pediatric patients with pachygyriclike changes (PLCs) examined with computed tomography (CT) and magnetic resonance (MR) imaging were reviewed to determine topographic patterns and correlate them with various clinical syndromes and degrees of neurologic impairment. Three types of topographic distribution...

journal_title：Radiology

authors： Titelbaum DS,Hayward JC,Zimmerman RA

更新日期：1989-12-01 00:00:00

abstract：PURPOSE:To evaluate the potential of xenon ventilation computed tomography (CT) in the quantitative and visual analysis of chronic obstructive pulmonary disease (COPD). MATERIALS AND METHODS:This study was approved by the institutional review board. After informed consent was obtained, 32 patients with COPD underwent ...

journal_title：Radiology

authors： Park EA,Goo JM,Park SJ,Lee HJ,Lee CH,Park CM,Yoo CG,Kim JH

更新日期：2010-09-01 00:00:00

abstract：:A case of actinomycosis involving the pelvic cavity is reported. The patient had a pelvic mass clinically and radiographically. Barium enema examination showed a mass with extrinsic compression and fixed narrowing of the rectum with mucosal irregularity. A computed tomographic scan showed a pelvic mass displacing the ...

journal_title：Radiology

authors： Maloney JJ,Cho SR

更新日期：1983-08-01 00:00:00

abstract：:To determine the impact of radiographic findings on the interpretation of bone and gallium scans of patients with active osteomyelitis, the authors reviewed the medical records and radiologic examinations of 104 patients. The only diagnostic finding of active disease on radiographs was the presence of a sequestrum (th...

journal_title：Radiology

authors： Tumeh SS,Aliabadi P,Weissman BN,McNeil BJ

更新日期：1987-12-01 00:00:00

abstract：:The "comet tail" is a well-known ultrasound artifact that appears as a series of parallel bands radiating from a source. This artifact was observed in the gallbladder lumen in eight of 10 patients after extracorporeal shock wave lithotripsy of radiolucent calculi. To investigate the cause of the comet tail artifact, c...

journal_title：Radiology

authors： Shapiro RS,Winsberg F

更新日期：1990-10-01 00:00:00

abstract：PURPOSE:To prospectively compare nonenhanced magnetic resonance (MR) imaging and ultrasonography (US) for the diagnosis of pediatric appendicitis. MATERIALS AND METHODS:This HIPAA-compliant study was approved by the institutional review board, and written informed consent was obtained from the patient's parent or guar...

journal_title：Radiology

authors： Orth RC,Guillerman RP,Zhang W,Masand P,Bisset GS 3rd

更新日期：2014-07-01 00:00:00

abstract：PURPOSE:To retrospectively analyze radiation dose data for six common venous access procedures. MATERIALS AND METHODS:Institutional review board approval was obtained for this HIPAA-compliant study; informed consent was not required. Data review was limited to a quality assurance database. Patient medical records were...

journal_title：Radiology

authors： Storm ES,Miller DL,Hoover LJ,Georgia JD,Bivens T

更新日期：2006-03-01 00:00:00

abstract：:Cardiac masses are usually first detected at echocardiography. In their further evaluation, cardiac magnetic resonance (MR) imaging has become a highly valuable technique. MR imaging offers incremental value owing to its larger field of view, superior tissue contrast, versatility in image planes, and unique ability to...

journal_title：Radiology

authors： Motwani M,Kidambi A,Herzog BA,Uddin A,Greenwood JP,Plein S

更新日期：2013-07-01 00:00:00

abstract：:Diagnostic quality of radiographs and adverse reactions associated with the use of metrizamide and iohexol as contrast agents in lumbar myelography were compared in a prospective randomized double blind study in 350 patients at seven centers. The contrast media were administered in comparable volumes at a concentratio...

journal_title：Radiology

authors： Kieffer SA,Binet EF,Davis DO,Gabrielsen TO,Kido DK,Latchaw RE,Turski PA,Shaw DD

更新日期：1984-06-01 00:00:00

abstract：PURPOSE:To report population-based utilization rates and their variability across and within populations, geographic areas, and different payment systems for diagnostic radiology and radiation oncology procedures. MATERIALS AND METHODS:Aggregated claims data were obtained from four sources for up to nine radiologic mo...

journal_title：Radiology

authors： Burkhardt JH,Sunshine JH

更新日期：1996-07-01 00:00:00