Surface coil MR imaging of abdominal viscera. Part I. Theory, technique, and initial results.

abstract：PURPOSE:To evaluate a technique to perform fluoroscopically directed thoracic transforaminal epidural injections. MATERIALS AND METHODS:Institutional review board approval and a waiver of consent were obtained for this retrospective HIPAA-compliant study. Findings from 198 consecutively performed foraminal nerve block...

journal_title：Radiology

authors： Rosas HG,Gilula LA

更新日期：2010-02-01 00:00:00

abstract：:The difficulty of demonstrating lesions near the chest wall is one source of error in mammography. A mediolateral xeroradiograph of the breast which images the chest wall was added to the routine mediolateral and cephalocaudal film-screen projections to minimize this problem. In one case, a posterior breast lesion was...

journal_title：Radiology

authors： Bassett LW,Pagani JJ,Gold RH

更新日期：1980-09-01 00:00:00

abstract：:This case series describes the radiologic appearances of gynecomastoid hyperplasia of the breast in our experience. The clinical histories, breast images, and histopathologic findings in six women were reviewed. At mammography, there was no abnormality in two women, an enlarging asymmetric density in three women, and ...

journal_title：Radiology

authors： Selland DL,Korbin CD,Lester SC,Lerner MH,Gulizia JA,Kaelin CM,Meyer JE

更新日期：2000-02-01 00:00:00

abstract：:Purpose To evaluate the frequency, patterns, and prognostic importance of metastatic hepatic involvement in serous ovarian cancer. Materials and Methods This institutional review board-approved retrospective study, with waived informed consent, included 244 patients with pathologically proven serous ovarian cancer (me...

journal_title：Radiology

authors： O'Neill AC,Somarouthu B,Tirumani SH,Braschi-Amirfarzan M,Van den Abbeele AD,Ramaiya NH,Shinagare AB

更新日期：2017-01-01 00:00:00

abstract：:Three examples of permanently inflated transluminal catheter balloons are presented. Two of these occurred during attempted percutaneous transluminal angioplasty. Nonsurgical solutions, which were successful in each case, are described. Percutaneous puncture with a needle or a larger diameter coaxial catheter under fl...

journal_title：Radiology

authors： Schneider JR,Johnsrude IS,Lund G,Rysavy J,Anderson RW,Amplatz K

更新日期：1985-06-01 00:00:00

abstract：PURPOSE:To prospectively compare accuracy of dynamic contrast material-enhanced thin-section multi-detector row helical computed tomography (CT), high-spatial-resolution three-dimensional (3D) dynamic gadolinium-enhanced magnetic resonance (MR) imaging, and superparamagnetic iron oxide (SPIO)-enhanced MR imaging with o...

journal_title：Radiology

authors： Ward J,Robinson PJ,Guthrie JA,Downing S,Wilson D,Lodge JP,Prasad KR,Toogood GJ,Wyatt JI

更新日期：2005-10-01 00:00:00

abstract：:Monooctanoin, a cholesterol solvent, was infused into the biliary system of 11 patients. Twenty-eight (74%) of 38 total stones responded to monooctanoin: 16 (42%) decreased in size, and 12 (32%) dissolved completely. Ten stones (26%) did not change in size. We attribute this to inadequate drug-stone contact, which was...

journal_title：Radiology

authors： Teplick SK,Haskin PH

更新日期：1984-11-01 00:00:00

abstract：:From a clinical-radiologic standpoint, there are a limited number of structures and disease entities in the temporal bone with which one must be familiar in order to proficiently interpret a computed tomographic or magnetic resonance imaging study of the temporal bone. It is helpful to examine the region in an organiz...

journal_title：Radiology

authors： Juliano AF,Ginat DT,Moonis G

更新日期：2013-10-01 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：:History A 43-year-old right-handed man presented with a history of progressive mild left-sided weakness and slowness of movements. Symptoms began 4 years earlier, and the patient noticed a progressive decline in his daily routine due to gait difficulties in the past year. There was no history of head trauma, surgery, ...

journal_title：Radiology

authors： Vale TC,de Lima Pinto FC,Pedroso JL,Alves Dos Reis M,Batista IR,Affonseca Bressan R,Magalhães Rivero RL,Mendonça RA,Barsottini OG

更新日期：2017-05-01 00:00:00

abstract：PURPOSE:To evaluate the effects of alterations in the volume of contrast material on liver enhancement. MATERIALS AND METHODS:Thirty patients underwent repeat computed tomographic (CT) examinations within 6 months, the first with either 100, 150, or 180 mL of nonionic contrast material (2 mL/sec). In the second, only ...

journal_title：Radiology

authors： Chambers TP,Baron RL,Lush RM

更新日期：1994-11-01 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：PURPOSE:To retrospectively evaluate the incidence of and risk factors for pneumothorax, pleural effusion, and chest tube placement for pneumothorax after radiofrequency (RF) ablation of lung tumors. MATERIALS AND METHODS:Institutional review board approval was obtained, with waiver of informed consent. This retrospect...

journal_title：Radiology

authors： Hiraki T,Tajiri N,Mimura H,Yasui K,Gobara H,Mukai T,Hase S,Fujiwara H,Iguchi T,Sano Y,Shimizu N,Kanazawa S

更新日期：2006-10-01 00:00:00

abstract：:An innovative magnetic resonance imaging technique was applied to the measurement of blood flow in the abdominal aorta. The technique combines selective excitation and visualization from an orthogonal view. The distance that fluid has moved is directly visualized. The blood flow velocity at every 50 msec throughout th...

journal_title：Radiology

authors： Matsuda T,Shimizu K,Sakurai T,Fujita A,Ohara H,Okamura S,Hashimoto S,Tamaki S,Kawai C

更新日期：1987-03-01 00:00:00

abstract：:Spleen cells from normal or preimmunized mice were exposed to graded doses of peak pions or 300-kVp x rays in vitro and then cultured in heavily irradiated mice to determine antibody production against sheep erythrocytes. The RBE for the primary antibody response was 1.46. Equal suppression of secondary responses was ...

journal_title：Radiology

authors： Carlson DE

更新日期：1978-03-01 00:00:00

abstract：PURPOSE:To quantify regional ejection fraction (EF) in patients with myocardial infarction (MI) by using merged late gadolinium enhancement (LGE) and cine magnetic resonance (MR) imaging, and compare this method with the standardized 17-segment American Heart Association approach. MATERIALS AND METHODS:After instituti...

journal_title：Radiology

authors： Masci PG,Dymarkowski S,Rademakers FE,Bogaert J

更新日期：2009-01-01 00:00:00

abstract：:The purposes, implications, and history of development of the American College of Radiology-National Electrical Manufacturers Association (ACR-NEMA) Digital Imaging and Communication Standard and its contents are briefly described, and the minimum requirements of the ACR-NEMA Digital Imaging and Communication Standard...

journal_title：Radiology

authors： Wang Y,Best DE,Hoffman JG,Horii SC,Lehr JL,Lodwick GS,Morse RR,Murphy LL,Nelson OL,Perry J

更新日期：1988-02-01 00:00:00

abstract：PURPOSE:To investigate the effect of injection rate of contrast medium on aortic and hepatic peak enhancement at computed tomography. MATERIALS AND METHODS:Early pharmacokinetics of contrast enhancement was analyzed theoretically and simulated with a compartment model. Contrast enhancement curves were generated from t...

journal_title：Radiology

authors： Bae KT,Heiken JP,Brink JA

更新日期：1998-02-01 00:00:00

abstract：:An extremely rare occurrence of third-degree burns was induced in the medial calves of a male patient with unusual anatomy (after resection and radiation therapy of a liposarcoma) during conventional magnetic resonance (MR) imaging on a clinical 1.5-T MR system that operated without any external conductor present and ...

journal_title：Radiology

authors： Knopp MV,Essig M,Debus J,Zabel HJ,van Kaick G

更新日期：1996-08-01 00:00:00

abstract：PURPOSE:To evaluate the degeneration of the ipsilateral substantia nigra after striatal infarction by using magnetic resonance (MR) imaging. MATERIALS AND METHODS:Twenty-five adult patients with embolic cerebral infarction of the middle cerebral artery distribution underwent MR imaging 0-4, 5-9, 12-15, and 27-29 days ...

journal_title：Radiology

authors： Ogawa T,Okudera T,Inugami A,Noguchi K,Kado H,Yoshida Y,Uemura K

更新日期：1997-09-01 00:00:00

abstract：:Purpose To examine whether cardiac chemical exchange saturation transfer (CEST) imaging can be serially and noninvasively used to probe cell survival or rejection after intramyocardial implantation in mice. Materials and Methods Experiments were compliant with the National Institutes of Health Guidelines on the Use of...

journal_title：Radiology

authors： Pumphrey AL,Ye S,Yang Z,Simkin J,Gensel JC,Abdel-Latif A,Vandsburger MH

更新日期：2017-01-01 00:00:00

abstract：PURPOSE:To investigate the clinical parameters that are associated with the development of brain edema of hypertensive encephalopathy in patients with preeclampsia-eclampsia. MATERIALS AND METHODS:Twenty-eight patients with preeclampsia-eclampsia and neurologic symptoms underwent magnetic resonance (MR) imaging. Clini...

journal_title：Radiology

authors： Schwartz RB,Feske SK,Polak JF,DeGirolami U,Iaia A,Beckner KM,Bravo SM,Klufas RA,Chai RY,Repke JT

更新日期：2000-11-01 00:00:00

abstract：:Five cases of an antefemoral synovial cyst in rheumatoid arthritis were confirmed by arthrography. Communicating with the suprapatellar bursa, these rarely observed cysts may be considered an anterior analogy to dissecting Baker cysts. ...

journal_title：Radiology

authors： Seidl G,Scherak O,Hofner W

更新日期：1979-11-01 00:00:00

abstract：PURPOSE:To retrospectively describe the magnetic resonance (MR) imaging characteristics of normal breast tissue and breast cancer in the setting of lactation. MATERIALS AND METHODS:The HIPAA-compliant study was exempt from institutional approval, and informed consent was not required. Unilateral MR imaging of 10 breas...

journal_title：Radiology

authors： Espinosa LA,Daniel BL,Vidarsson L,Zakhour M,Ikeda DM,Herfkens RJ

更新日期：2005-11-01 00:00:00

abstract：PURPOSE:To characterize intracranial plaque inflammation in vivo by using three-dimensional (3D) high-spatial-resolution contrast material-enhanced black-blood (BB) magnetic resonance (MR) imaging and to investigate the relationship between intracranial plaque inflammation and cerebrovascular ischemic events. MATERIAL...

journal_title：Radiology

authors： Qiao Y,Zeiler SR,Mirbagheri S,Leigh R,Urrutia V,Wityk R,Wasserman BA

更新日期：2014-05-01 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：:In tumor radiobiology, the hypoxic cell has become especially important because of recent evidence of acute hypoxic regions within experimental tumors. The impact of hyperthermia on the development of acute hypoxia is discussed. Two experiments for studying hyperthermia and hypoxia in tumors are presented. Knowledge o...

journal_title：Radiology

authors： Dewhirst MW,Ozimek EJ,Gross J,Cetas TC

更新日期：1980-12-01 00:00:00

abstract：:Patients who have temporomandibular joint (TMJ) clicking and pain are assumed to have an anterior displacement of the meniscus with reduction on opening of the jaw. On the basis of this assumption, these patients are treated nonsurgically with splint therapy. Of 301 TMJs examined, 108 (36%) produced clinically audible...

journal_title：Radiology

authors： Miller TL,Katzberg RW,Tallents RH,Bessette RW,Hayakawa K

更新日期：1985-01-01 00:00:00

abstract：PURPOSE:To compare the performance of magnetic resonance (MR) imaging after the administration of superparamagnetic iron oxide (SPIO) and dual-phase computed tomography (CT) in the depiction of liver metastases. MATERIALS AND METHODS:Fifty-one hepatic resection candidates with known colorectal metastases were examined...

journal_title：Radiology

authors： Ward J,Naik KS,Guthrie JA,Wilson D,Robinson PJ

更新日期：1999-02-01 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