Normal-appearing white matter in patients with phenylketonuria: water content, myelin water fraction, and metabolite concentrations.

abstract：PURPOSE:To evaluate the magnetic resonance (MR) imaging features of the developing femur in fetal pig specimens. MATERIALS AND METHODS:MR images of 15 fetal pig femurs, which were categorized into three groups of specimens representing each third of the gestational period, were used to compare increasing femoral lengt...

journal_title：Radiology

authors： Connolly SA,Jaramillo D,Hong JK,Shapiro F

更新日期：2004-11-01 00:00:00

abstract：:Solid intrarenal neoplasms in children are usually Wilms tumors. Occasionally, however, a neuroblastoma appears to be intrarenal. In six cases where this phenomenon was observed, the histologic findings of each tumor were identical: undifferentiated neuroblastoma. In each case the child's condition rapidly and progres...

journal_title：Radiology

authors： Rosenfield NS,Leonidas JC,Barwick KW

更新日期：1988-01-01 00:00:00

abstract：:Radiation dose data were collected from a calibrated multi-detector row computed tomographic (CT) scanner during trauma CT. One protocol (used with 10 case subjects) involved a single-pass continuous whole-body acquisition from cranial vertex to symphysis pubis, while the other, conventional protocol (used with 10 con...

journal_title：Radiology

authors： Ptak T,Rhea JT,Novelline RA

更新日期：2003-12-01 00:00:00

abstract：PURPOSE:To evaluate initial clinical outcomes of volumetric magnetic resonance (MR)-guided high-intensity focused ultrasound (HIFU) ablation by using a one-layer strategy to treat large (>10 cm in diameter) uterine fibroids, with investigation of the correlation between effectiveness of the one-layer strategy and dynam...

journal_title：Radiology

authors： Kim YS,Kim JH,Rhim H,Lim HK,Keserci B,Bae DS,Kim BG,Lee JW,Kim TJ,Choi CH

更新日期：2012-05-01 00:00:00

abstract：:In selective internal radiation (SIR) therapy of hepatic metastases, tumor vasculature is preferentially embolized with high-energy beta-emitting yttrium-90-labeled microspheres. To enable accurate estimation of the resultant absorbed radiation doses to tissues, an intraoperative beta detection probe is used to scan t...

journal_title：Radiology

authors： Burton MA,Gray BN,Kelleher DK,Klemp PF

更新日期：1990-04-01 00:00:00

abstract：:Purpose To evaluate the impact of accountable care organizations (ACOs) on use of screening mammography in the Medicare Shared Savings Program (MSSP), the largest value-based reimbursement program in U.S. HISTORY:Materials and Methods Institutional review board approval was waived, as the study used publicly availabl...

journal_title：Radiology

authors： Narayan AK,Harvey SC,Durand DJ

更新日期：2017-02-01 00:00:00

abstract：:This study evaluated the feasibility of treatment of abdominal aortic aneurysm (AAA) by means of intraluminal bypass. Artificial aortic aneurysms with fusiform Dacron conduits were created at surgery , a weft-knit Dacron tube with balloon-expandable stents attached at both ends was inserted transfemorally through a 14...

journal_title：Radiology

authors： Laborde JC,Parodi JC,Clem MF,Tio FO,Barone HD,Rivera FJ,Encarnacion CE,Palmaz JC

更新日期：1992-07-01 00:00:00

abstract：:Ultrasound (US) of the liver surface with a high-frequency, small-parts, short-focused probe has been proposed as a method of diagnosing cirrhosis. US of the liver was performed in 50 consecutive patients undergoing diagnostic liver biopsy to assess the clinical usefulness of this noninvasive procedure in diagnosing h...

journal_title：Radiology

authors： Ladenheim JA,Luba DG,Yao F,Gregory PB,Jeffrey RB,Garcia G

更新日期：1992-10-01 00:00:00

abstract：:A grid consisting of a focused array of radiopaque strips has been constructed. No interspace material is employed, and, during an exposure, the arrangement moves so that the grid strips remain focused and a uniform film density is obtained. Preliminary measurements and radiographs of patients indicate that such a dev...

journal_title：Radiology

authors： Barnes GT,Moreland RF,Yester MV,Witten DM

更新日期：1980-06-01 00:00:00

abstract：PURPOSE:To investigate the effect of variations in anatomic features of the circle of Willis on the perfusion territory to deep structures, including the nucleus caudatus, the nucleus lentiformis, and the thalamus. MATERIALS AND METHODS:The ethics committee of the study institution approved the study protocol. A total...

journal_title：Radiology

authors： Hendrikse J,Petersen ET,Chng SM,Venketasubramanian N,Golay X

更新日期：2010-03-01 00:00:00

abstract：:Diatrizoate (76%) contrast agent heated to 100 degrees C was injected into the veins of dogs and one human volunteer for the nonsurgical occlusion of the vessels. Follow-up venograms and histologic examinations, at intervals varying from one day to four weeks later, revealed thrombosis of the injected veins in all ani...

journal_title：Radiology

authors： Rholl KS,Rysavy JA,Vlodaver Z,Cragg AH,Castaneda-Zuniga WR,Amplatz K

更新日期：1982-11-01 00:00:00

abstract：:A nodular density seen at the posterior lung base on lateral chest radiographs proved to be normal bone in the spine. This nodule results from slight thickening of the bone at the superior aspect of the area where the two laminae join to form the spinous process. ...

journal_title：Radiology

authors： Shortsleeve MJ,Foster SC

更新日期：1979-05-01 00:00:00

abstract：:Percutaneous transluminal renal angioplasty has been shown to be an effective technique to dilate renal artery lesions, particularly those due to fibromuscular dysplasia. However, four of 70 patients in this study experienced atypical responses to angioplasty. Their lesions initially resisted dilation and had incomple...

journal_title：Radiology

authors： Srur MF,Sos TA,Saddekni S,Cohn DJ,Rozenblit G,Wetter EB

更新日期：1985-12-01 00:00:00

abstract：:Gas cisternography was combined with edge-enhanced computed tomography (CT) in 6 patients and demonstrated the seventh and eighth cranial nerves thorugh both the cerebellopontine angle cistern and the internal auditory canal in the normal patients. The normal nerve outline was lost when a tumor was contained within th...

journal_title：Radiology

authors： Bentson JR,Mancuso AA,Winter J,Hanafee WN

更新日期：1980-09-01 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：:Transrectal catheter drainage was performed under radiologic guidance in eight patients with deep pelvic abscesses during a 7-month period. One patient underwent two procedures. In five patients, the abscess could not be palpated at rectal examination. Seven procedures were performed with fluoroscopic guidance. Transr...

journal_title：Radiology

authors： Bennett JD,Kozak RI,Taylor BM,Jory TA

更新日期：1992-12-01 00:00:00

abstract：PURPOSE:To evaluate characteristics of delayed ischemic stroke after stent-assisted coil placement in cerebral aneurysms and to determine the optimal duration of dual antiplatelet therapy for its prevention. MATERIALS AND METHODS:This retrospective study was approved by the institutional review board, and the requirem...

journal_title：Radiology

authors： Hwang G,Kim JG,Song KS,Lee YJ,Villavicencio JB,Suroto NS,Park NM,Park SJ,Jeong EA,Kwon OK

更新日期：2014-10-01 00:00:00

abstract：PURPOSE:To determine whether the "accordion sign" is a specific computed tomographic (CT) sign of Clostridium difficile colitis. MATERIALS AND METHODS:Fifty-seven patients with CT evidence of severe colitis, as judged by colonic wall thickening, an abnormal haustral pattern, the target sign, and stranding of the peric...

journal_title：Radiology

authors： Macari M,Balthazar EJ,Megibow AJ

更新日期：1999-06-01 00:00:00

abstract：:Breast cancer screening detected 139 biopsy-proved malignancies in 16,000 slef-selected women (8.7/1,000). In these, xeroradiography detected 78% (109), clinical examination 55% (76), and thermography 39% (54). In all 16,000 women, the thermogram was interpreted as positive in 17.9% (2,864). The greatest effectiveness...

journal_title：Radiology

authors： Feig SA,Shaber GS,Schwartz GF,Patchefsky A,Libshitz HI,Edeiken J,Nerlinger R,Curley RF,Wallace JD

更新日期：1977-01-01 00:00:00

abstract：PURPOSE:To determine the radiographic appearance and features of corrosion in U.S. coins exposed to gastric acid. MATERIALS AND METHODS:Six U.S. copper-based pre-1982 pennies, 12 zinc-based post-1982 pennies, a quarter, a nickel, and a dime were exposed to postprandial concentrations of gastric acid (0.15N HCl) for 7 ...

journal_title：Radiology

authors： O'Hara SM,Donnelly LF,Chuang E,Briner WH,Bisset GS 3rd

更新日期：1999-10-01 00:00:00

abstract：:Uroradiological examinations on 33 patients subjected to abdomino-perineal resection were analyzed. The most common finding was medial displacement of both ureters, with the right one frequently crossing the midline. Bladder deformity, sometimes severe, was present in all patients. Localized ureteral narrowing due to ...

journal_title：Radiology

authors： Barbaric ZL,Wolfe DE,Segal AJ

更新日期：1978-08-01 00:00:00

abstract：PURPOSE:To describe localization studies in nine patients with ectopic parathyroid adenomas in the aortopulmonary window. MATERIALS AND METHODS:Nine patients with ectopic parathyroid tissue (eight adenomas, one hyperplastic gland) in the aortopulmonary window were examined with ultrasound (US), computed tomography (CT...

journal_title：Radiology

authors： Doppman JL,Skarulis MC,Chen CC,Chang R,Pass HI,Fraker DL,Alexander HR,Niederle B,Marx SJ,Norton JA,Wells SA,Spiegel AM

更新日期：1996-11-01 00:00:00

abstract：:Otosclerosis (otospongiosis) is a primary focal disease of the labyrinthine capsule. The stapes footplate is fixed when the spongiotic focus expands and invades the oval window. Persons with stapedial otosclerosis experience a progressive conductive hearing loss. In many cases, cochlear degeneration is observed, in wh...

journal_title：Radiology

authors： Mafee MF,Henrikson GC,Deitch RL,Norouzi P,Kumar A,Kriz R,Valvassori GE

更新日期：1985-09-01 00:00:00

abstract：:Four patients with proved osteopetrosis (three with the infantile malignant form and one with the benign form) were examined with magnetic resonance imaging at 1.5 T. All patients were studied in the coronal and sagittal planes using both short and long repetition time/echo time sequences. The infantile malignant form...

journal_title：Radiology

authors： Rao VM,Dalinka MK,Mitchell DG,Spritzer CE,Kaplan F,August CS,Axel L,Kressel HY

更新日期：1986-10-01 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 localization of hepatic metastases with the intraarterial secretin injection test in Zollinger-Ellison syndrome (ZES). MATERIALS AND METHODS:Results in 74 patients with ZES (aged 15-70 years) were retrospectively studied. All patients had undergone computed tomography (CT), magnetic resonance (MR) ...

journal_title：Radiology

authors： Gibril F,Doppman JL,Chang R,Weber HC,Termanini B,Jensen RT

更新日期：1996-01-01 00:00:00

abstract：:The authors prospectively treated 10 consecutive patients with multiloculated empyemas with intracavitary instillation of urokinase via a percutaneous drainage catheter. Urokinase (100,000 IU) in 100 mL of 5% dextrose in water was instilled into the pleural cavity via a percutaneous drainage catheter. After overnight ...

journal_title：Radiology

authors： Lee KS,Im JG,Kim YH,Hwang SH,Bae WK,Lee BH

更新日期：1991-06-01 00:00:00

abstract：:The authors performed sympathetic nerve blockades in seven patients with peripheral ischemia and possible autonomic dysfunction. Magnetic resonance (MR) imaging was used to guide needle placement, to monitor distribution of injected agents, and to measure increases in blood flow, which were as much as 10-fold. MR imag...

journal_title：Radiology

authors： Sze DY,Mackey SC

更新日期：2002-05-01 00:00:00

abstract：:Excretory urography could be performed less frequently if some combinations of genitourinary signs and symptoms were found to be predictive of either a specific disease or normality. To explore this possibility, the authors conducted a prospective study involving more than 3,000 patients at three institutions (a teach...

journal_title：Radiology

authors： Doubilet P,McNeil BJ,Van Houten FX,Berenberg A,Ratnofsky S,Greenes RA,Anderson JW,Mellins HZ,Abrams HL

更新日期：1985-03-01 00:00:00

abstract：PURPOSE:To describe a benign nodular lesion in the peripheral zone (PZ) of the prostate gland. MATERIALS AND METHODS:In 1,087 patients, the features of 722 focal lesions in the PZ or central zone of the prostate on transrectal ultrasound (TRUS) scans were retrospectively compared with histologic findings in biopsy sam...

journal_title：Radiology

authors： Oyen RH,Van de Voorde WM,Van Poppel HP,Brys PP,Ameye FE,Franssens YM,Baert AL,Baert LV

更新日期：1993-12-01 00:00:00