Malignant ureteral obstruction: treatment with metal stents--technique, results, and observations with percutaneous intraluminal US.

abstract：PURPOSE:To test the hypothesis that rapid and accurate performance of the proficient observer in mammogram interpretation involves a shift in the mechanism of image perception from a relatively slow search-to-find mode to a relatively fast holistic mode. MATERIALS AND METHODS:This HIPAA-compliant study had institution...

journal_title：Radiology

authors： Kundel HL,Nodine CF,Conant EF,Weinstein SP

更新日期：2007-02-01 00:00:00

abstract：:Clonogenic cell survival of in situ 9L brain tumors was measured in air-breathing rats and rats killed with nitrogen. Animals were irradiated with BEVALAC accelerated carbon ions in the plateau and spread-out Bragg peak regions of the specific ionization curve. The relative biological effectiveness (RBE) for carbon io...

journal_title：Radiology

authors： Wheeler KT,Deen DF,Leith JT,Norton KL

更新日期：1979-12-01 00:00:00

abstract：:The radionuclide, radiographic and pathologic findings in a patient with progressive multifocal leukoencephalopathy were correlated. Radionuclide imaging demonstrated the largest two of the many lesions observed at pathology. On repeated studies, one of the lesions developed a "doughnut" sign due to central necrosis. ...

journal_title：Radiology

authors： Kirsh J,Rosenthall L,Finlayson MH,Wee R

更新日期：1976-05-01 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：:Fifty consecutive patients with suspected herniated nucleus pulposus at L4-5 or L5-S1 were evaluated prospectively with both epidural venography and iophendylate myelography. The two procedures were compared with respect to diagnostic accuracy, ease of performance, and complications. Evaluation of both the L4-5 and L5...

journal_title：Radiology

authors： Lotz PR,Seeger JF,Gabrielsen TO

更新日期：1980-01-01 00:00:00

abstract：:Patients with sleep-disordered breathing often have physiologic and anatomic abnormalities of the upper airway that are demonstrable while awake. An ultrafast computed tomographic (CT) scanner was used to measure the oropharyngeal and nasopharyngeal cross-sectional areas of 11 patients with obstructive sleep apnea. Tw...

journal_title：Radiology

authors： Galvin JR,Rooholamini SA,Stanford W

更新日期：1989-06-01 00:00:00

abstract：PURPOSE:To prospectively assess which phase of a triple-phase dynamic contrast material-enhanced multi-detector row computed tomography (CT) protocol is optimal for visualization of esophageal cancer. MATERIALS AND METHODS:The study was supported by the local ethical committee; all patients gave written informed conse...

journal_title：Radiology

authors： Umeoka S,Koyama T,Togashi K,Saga T,Watanabe G,Shimada Y,Imamura M

更新日期：2006-06-01 00:00:00

abstract：PURPOSE:To prospectively determine in swine the effects of cardiac-specific and hypoxia-inducible vascular endothelial growth factor (VEGF) expression gene on angiogenesis and arteriogenesis by using cardiovascular magnetic resonance (MR) imaging for evaluation of infarct resorption and left ventricular (LV) function. ...

journal_title：Radiology

authors： Saeed M,Saloner D,Martin A,Do L,Weber O,Ursell PC,Jacquier A,Lee R,Higgins CB

更新日期：2007-05-01 00:00:00

abstract：PURPOSE:To assess combined static-dynamic magnetic resonance (MR) urography in the evaluation of congenital urinary tract dilatation in infants and children. MATERIALS AND METHODS:Sixty-two patients with urinary tract dilatation underwent prospective examination with combined static-dynamic MR urography. A combination...

journal_title：Radiology

authors： Rohrschneider WK,Haufe S,Wiesel M,Tönshoff B,Wunsch R,Darge K,Clorius JH,Tröger J

更新日期：2002-09-01 00:00:00

abstract：:Although intravascular foreign bodies are routinely removed with percutaneous extraction, surgical retrieval is performed of most nonvascular foreign bodies. The authors describe six cases in which percutaneous extraction was performed for removal of nonvascular foreign bodies. These foreign bodies included an intraab...

journal_title：Radiology

authors： Nosher JL,Siegel R

更新日期：1993-06-01 00:00:00

abstract：:A percutaneous nephrostomy tract can serve both to decompress the renal pelvis and as a route for dissolving renal stones and assisting in basket retrieval of ureteral stones. These techniques are especially valuable in patients who are poor operative risks. ...

journal_title：Radiology

authors： Smith AD,Reinke DB,Miller RP,Lange PH

更新日期：1979-10-01 00:00:00

abstract：PURPOSE:To show that benign asymmetric breast tissue detected mammographically may increase over time. MATERIALS AND METHODS:Serial mammograms obtained in 21 women with negative physical examination results and mammographically detected developing asymmetric breast tissue were reviewed, and findings were correlated wi...

journal_title：Radiology

authors： Piccoli CW,Feig SA,Palazzo JP

更新日期：1999-04-01 00:00:00

abstract：PURPOSE:To assess the accuracy of glomerular filtration rate (GFR) measurements obtained with low-contrast agent dose dynamic contrast material-enhanced magnetic resonance (MR) renography in patients with liver cirrhosis who underwent routine liver MR imaging, with urinary clearance of technetium 99m ((99m)Tc) pentetic...

journal_title：Radiology

authors： Vivier PH,Storey P,Rusinek H,Zhang JL,Yamamoto A,Tantillo K,Khan U,Lim RP,Babb JS,John D,Teperman LW,Chandarana H,Friedman K,Benstein JA,Skolnik EY,Lee VS

更新日期：2011-05-01 00:00:00

abstract：:The results of treatment for recurrent cancer at the tracheal stoma have been poor. From 1971 to 1976, elective postoperative irradiation of the neck was given to 26 high-risk patients with carcinoma of the larynx and hypopharynx. None of the 22 patients whose stomas were irradiated developed stomal or peristomal recu...

journal_title：Radiology

authors： Tong D,Moss WT,Stevens KR Jr

更新日期：1977-09-01 00:00:00

abstract：:Transcolorectal endosonography (TES) with use of both a nonoptic instrument and an echocolonoscope was performed in 91 patients with colorectal carcinomas (61 rectal and 30 colonic). Correlation of results at TES with results of histologic analysis of resected specimens according to the 1987 TNM classification demonst...

journal_title：Radiology

authors： Tio TL,Coene PP,van Delden OM,Tytgat GN

更新日期：1991-04-01 00:00:00

abstract：PURPOSE:To compare the usefulness of computed tomography (CT) and gadolinium-enhanced magnetic resonance (MR) imaging in the detection of neoplastic invasion of laryngeal cartilage. MATERIALS AND METHODS:In a prospective study, 53 patients with carcinoma of the larynx or piriform sinus underwent CT and MR imaging befo...

journal_title：Radiology

authors： Becker M,Zbären P,Laeng H,Stoupis C,Porcellini B,Vock P

更新日期：1995-03-01 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：PURPOSE:To evaluate a semiflexible ultrasound (US) transducer inserted through a laparoscopic port to image abdominal structures. MATERIALS AND METHODS:Laparoscopic US with a 9.6-mm-diameter, 5.0-7.5-MHz semiflexible transducer with gray-scale, color, and spectral Doppler capabilities was performed in three miniature ...

journal_title：Radiology

authors： Liu JB,Feld RI,Goldberg BB,Barbot DJ,Nazarian LN,Merton DA,Rawool NM,Rosato FE,Winkel CA,Gillum DR

更新日期：1995-03-01 00:00:00

abstract：:We attempted to use hand-held, high-resolution breast sonography to localize for biopsy 11 solid, nonpalpable lesions detected by mammography. Using sonography, we identified and localized only one of four lesions presenting as poorly defined masses and only one of seven lesions presenting as clusters of tiny calcific...

journal_title：Radiology

authors： Weber WN,Sickles EA,Callen PW,Filly RA

更新日期：1985-06-01 00:00:00

abstract：:Thirty-seven patients with 18 primary advanced or persistent, 16 local recurrent, and three local metastatic tumors of the head and neck were treated with a combination of interstitial low-dose iridium-192 radiation therapy and interstitial 915-MHz microwave hyperthermia supplemented by external radiation therapy. Twe...

journal_title：Radiology

authors： Seegenschmiedt MH,Sauer R,Fietkau R,Karlsson UL,Brady LW

更新日期：1990-07-01 00:00:00

abstract：:Both carotid bifurcations were examined in 353 patients over a 20-month interval using a combination of real-time and pulsed Doppler ultrasound (duplex scanning). Angiographic correlation was available in 72 cases. Stenosis of the internal carotid was evaluated using a Doppler input frequency of 5 MHz and a scan angle...

journal_title：Radiology

authors： Jacobs NM,Grant EG,Schellinger D,Byrd MC,Richardson JD,Cohan SL

更新日期：1985-02-01 00:00:00

abstract：PURPOSE:To illustrate the normal variants and developmental anomalies of the skull base on computed tomographic (CT) scans. MATERIALS AND METHODS:One hundred eighty-nine children (age range, newborn to 18 years; median age, 4.0 years) without skull base deformity were referred for cranial CT. Normal developmental vari...

journal_title：Radiology

authors： Madeline LA,Elster AD

更新日期：1995-09-01 00:00:00

abstract：:Multi-detector row computed tomography was performed for the preharvest evaluation of 14 potential living liver donors. Both a biliary contrast agent and a conventional iodinated contrast agent were administered intravenously. This protocol included acquisition of three subsequent scans and allowed accurate assessment...

journal_title：Radiology

authors： Schroeder T,Nadalin S,Stattaus J,Debatin JF,Malagó M,Ruehm SG

更新日期：2002-08-01 00:00:00

abstract：:Magnetic resonance (MR) imaging and computed tomography (CT) were used to study severe syringomyelia, in which the syrinx was so eccentric relative to the center of the spinal cord that at initial examination it appeared to be an exophytic extramedullary mass, in five of six patients with type 2 Arnold-Chiari malforma...

journal_title：Radiology

authors： Heinz R,Curnes J,Friedman A,Oakes J

更新日期：1992-04-01 00:00:00

abstract：PURPOSE:To study tissue platinum concentrations and the correlation between tissue and plasma platinum concentrations after negative-balance isolated pelvic perfusion (NIPP) in a porcine model. MATERIALS AND METHODS:All animal experiments were conducted according to the University Guidelines for Animal Care and Experi...

journal_title：Radiology

authors： Murata S,Onozawa S,Oda T,Mine T,Ueda T,Kumita S,Nomura K

更新日期：2012-02-01 00:00:00

abstract：:Although intrauterine hydronephrosis can be detected readily by ultrasound, follow-up ultrasound evaluation on the first day of life may show a falsely normal-appearing kidney. The authors present three infants in whom subsequent studies confirmed the presence of upper urinary tract obstruction. It is postulated that ...

journal_title：Radiology

authors： Laing FC,Burke VD,Wing VW,Jeffrey RB Jr,Hashimoto B

更新日期：1984-08-01 00:00:00

abstract：:The irregular shape and uneven tissue thickness of excised breast specimens makes radiographic evaluation difficult, especially when calcifications are not present. Xeroradiographs before and after compression of 20 separate excised breast specimens were compared, and 17 of the same specimens were compared after compr...

journal_title：Radiology

authors： Chilcote WA,Davis GA,Suchy P,Paushter DM

更新日期：1988-08-01 00:00:00

abstract：:The pathological changes in the female urethra, para-urethral glands, and bladder neck, which manifest clinically as urethral syndrome, produce radiological signs which are recognizable but for which the authors have not found previous reports. The radiographic manifestations of this disease are clearly demonstrated b...

journal_title：Radiology

authors： Jackson EA

更新日期：1976-05-01 00:00:00

abstract：:Thirty-six proven cases of medulloblastoma were reviewed by serial CT follow-up examinations from 4 months to 10 years, 2 months after the initial diagnosis, with a mean follow-up time of 3 years, 9 months. The children ranged in age from 10 months to 16 years, 7 months at the time of follow-up. The tumor recurred at ...

journal_title：Radiology

authors： Lee YY,Glass JP,van Eys J,Wallace S

更新日期：1985-03-01 00:00:00

abstract：:In a retrospective study of proved pseudoaneurysms (PAs) in 15 patients with transplanted organs (11 liver, three kidney, one pancreas), the results of computed tomography (CT), duplex sonography, and angiography were reviewed. Of the 15 cases of PA, eight occurred at the arterial anastomosis and seven were nonanastom...

journal_title：Radiology

authors： Tobben PJ,Zajko AB,Sumkin JH,Bowen A,Fuhrman CR,Skolnick ML,Bron KM,Esquivel CO,Starzl TE

更新日期：1988-10-01 00:00:00