Urethral stones: US for identification in boys with hematuria and dysuria.

abstract：PURPOSE:To compare changes in urinary viscosity in the renal tubules following administration of a high-viscosity iso-osmolar contrast agent (iodixanol) to that observed following administration of a less viscous, higher osmolar contrast agent (iopromide) in anesthetized rats. MATERIALS AND METHODS:A total of 43 rats ...

journal_title：Radiology

authors： Seeliger E,Becker K,Ladwig M,Wronski T,Persson PB,Flemming B

更新日期：2010-08-01 00:00:00

abstract：:An improved catheter for pulmonary arteriography via the antecubital approach is described. The catheter has been used successfully in 56 patients. ...

journal_title：Radiology

authors： Tempkin DL,Ladika JE

更新日期：1987-04-01 00:00:00

abstract：:Eighty-nine patients were evaluated for coronary artery disease (CAD) with exercise radionuclide ventriculography (ERV) and contrast coronary angiography. In 70 patients with documented lesions the ERV was abnormal in 65 for a sensitivity of 93%. In patients with normal coronary arteries, the ERV was abnormal in none ...

journal_title：Radiology

authors： Brady TJ,Thrall JH,Clare JM,Rogers WL,Lo K,Pitt B

更新日期：1979-09-01 00:00:00

abstract：:To assess the capability of magnetic resonance (MR) imaging to demonstrate postirradiation changes in the uterus, MR studies of 23 patients who had undergone radiation therapy were retrospectively examined and compared with those of 30 patients who had not undergone radiation therapy. MR findings were correlated with ...

journal_title：Radiology

authors： Arrivé L,Chang YC,Hricak H,Brescia RJ,Auffermann W,Quivey JM

更新日期：1989-01-01 00:00:00

abstract：:Six radiologists, acting as radiograph reviewers, used two different consultation protocols to differentiate among 292 ambiguous chest radiographic findings: 120 simulated nodules and 172 normal findings (previous readers' false-positive reports of nodules). The nonsearch protocol identified each finding (by film loca...

journal_title：Radiology

authors： Swensson RG,Theodore GH

更新日期：1990-12-01 00:00:00

abstract：:Economic evaluations provide scientific data regarding the cost implications of radiologic practices and, most important, which strategies for patient care yield the best outcomes for the least cost. Although this article is meant to enrich understanding of cost-effectiveness studies, it cannot be regarded as a comple...

journal_title：Radiology

authors： Powe NR

更新日期：1994-07-01 00:00:00

abstract：:The diagnosis of pulmonary sequestration has traditionally relied on angiographic demonstration of a systemic artery to the sequestered lung tissue. Rarely, extralobar sequestration can be associated with tension hydrothorax, which in the past has invariably led to fetal hydrops and death. The authors report the cases...

journal_title：Radiology

authors： Hernanz-Schulman M,Stein SM,Neblett WW,Atkinson JB,Kirchner SG,Heller RM,Merrill WH,Fleischer AC

更新日期：1991-09-01 00:00:00

abstract：PURPOSE:To investigate the cross-sectional relationships among multiple quantitative brain magnetic resonance (MR) imaging measurements in patients with relapsing-remitting versus chronic progressive multiple sclerosis (MS). MATERIALS AND METHODS:Thirty-eight patients with MS (relapsing-remitting, 26, chronic progress...

journal_title：Radiology

authors： Miki Y,Grossman RI,Udupa JK,van Buchem MA,Wei L,Phillips MD,Patel U,McGowan JC,Kolson DL

更新日期：1999-03-01 00:00:00

abstract：PURPOSE:To assess the diagnostic performance of various Doppler ultrasonographic (US) vascularity measures in conjunction with grayscale (GS) criteria in differentiating benign from malignant breast masses, by using histologic findings as the reference standard. MATERIALS AND METHODS:Institutional Review Board and HIP...

journal_title：Radiology

authors： LeCarpentier GL,Roubidoux MA,Fowlkes JB,Krücker JF,Hunt KA,Paramagul C,Johnson TD,Thorson NJ,Engle KD,Carson PL

更新日期：2008-11-01 00:00:00

abstract：PURPOSE:To assess the diagnostic performance of 64-section cardiac computed tomographic (CT) angiography for detection of left atrial appendage (LAA) thrombi in stroke patients by using transesophageal echocardiography (TEE) as the reference standard. MATERIALS AND METHODS:This study was approved by the institutional ...

journal_title：Radiology

authors： Hur J,Kim YJ,Nam JE,Choe KO,Choi EY,Shim CY,Choi BW

更新日期：2008-10-01 00:00:00

abstract：PURPOSE:To determine the incremental benefit of combined endorectal magnetic resonance (MR) imaging and MR spectroscopic imaging, as compared with endorectal MR imaging alone, for sextant localization of peripheral zone (PZ) prostate cancer. MATERIALS AND METHODS:This prospective multicenter study, conducted by the Am...

journal_title：Radiology

authors： Weinreb JC,Blume JD,Coakley FV,Wheeler TM,Cormack JB,Sotto CK,Cho H,Kawashima A,Tempany-Afdhal CM,Macura KJ,Rosen M,Gerst SR,Kurhanewicz J

更新日期：2009-04-01 00:00:00

abstract：:A previously healthy man had a carcinoid tumor that caused obstruction and dilatation of the appendiceal lumen, with subsequent inflammation of the appendix. He had acute pain in the lower right abdomen, loss of appetite, constipation, pyrexia, and an increased erythrocyte sedimentation rate without leukocytosis. Alth...

journal_title：Radiology

authors： Hermans JJ,Hermans AL,Risseeuw GA,Verhaar JC,Meradji M

更新日期：1993-07-01 00:00:00

abstract：:Percutaneous transperitoneal fine-needle lymph-node biopsy was performed in 52 patients to establish a diagnosis of metastatic disease in nodal defects detected during lymphography. The procedure was found to be highly accurate, with few false-negatives and no false-positives. ...

journal_title：Radiology

authors： Macintosh PK,Thomson KR,Barbaric ZL

更新日期：1979-06-01 00:00:00

abstract：:The radiologic findings in three cases of meningovascular syphilis are presented. Angiography demonstrated varying degrees of narrowing and ectasia of the supraclinoid carotid, basilar, and proximal anterior and middle cerebral arteries, as well as distal branches. Computed tomography (CT) showed multifocal infarction...

journal_title：Radiology

authors： Holland BA,Perrett LV,Mills CM

更新日期：1986-02-01 00:00:00

abstract：:The radiopharmaceutical iodine 131 metaiodobenzylguanidine (I-131 MIBG) has been shown to locate pheochromocytomas scintigraphically with a false-negative rate of approximately 13%. To improve image quality and reduce the false-negative rate, I-123 was examined as a radioactive label for MIBG, as it has many advantage...

journal_title：Radiology

authors： Lynn MD,Shapiro B,Sisson JC,Beierwaltes WH,Meyers LJ,Ackerman R,Mangner TJ

更新日期：1985-06-01 00:00:00

abstract：PURPOSE:To clarify the changes that occur in drainage vessels of dysplastic nodules and hepatocellular carcinoma (HCC) during hepatocarcinogenesis by using computed tomography (CT) during arterial portography (CTAP) and CT during hepatic arteriography (CTHA), with histologic findings as the reference standard. MATERIA...

journal_title：Radiology

authors： Kitao A,Zen Y,Matsui O,Gabata T,Nakanuma Y

更新日期：2009-08-01 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：:Operative ligation of portosystemic shunts is effective in controlling chronic portosystemic encephalopathy (CPSE) but is associated with significant mortality. Review of the records of five patients with CPSE treated with radiologic occlusion procedures showed that these are suitable alternatives to surgery. Three pa...

journal_title：Radiology

authors： Uflacker R,Silva Ade O,d'Albuquerque LA,Piske RL,Mourão GS

更新日期：1987-12-01 00:00:00

abstract：:Purpose To determine the diagnostic yield of in-bore 3-T magnetic resonance (MR) imaging-guided prostate biopsy and stratify performance according to Prostate Imaging Reporting and Data System (PI-RADS) versions 1 and 2. Materials and Methods This study was HIPAA compliant and institution review board approved. In-bor...

journal_title：Radiology

authors： Tan N,Lin WC,Khoshnoodi P,Asvadi NH,Yoshida J,Margolis DJ,Lu DS,Wu H,Sung KH,Lu DY,Huang J,Raman SS

更新日期：2017-04-01 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

abstract：PURPOSE:To examine trabecular microarchitecture with high-resolution flat-panel volume computed tomography (CT) and bone mineral density (BMD) with dual-energy x-ray absorptiometry (DXA) in adolescent girls with anorexia nervosa (AN) and to compare these results with those in normal-weight control subjects. MATERIALS ...

journal_title：Radiology

authors： Bredella MA,Misra M,Miller KK,Madisch I,Sarwar A,Cheung A,Klibanski A,Gupta R

更新日期：2008-12-01 00:00:00

abstract：:The angiographic differentiation of an intrinsic exophytic brainstem glioma from an extra-axial posterior fossa tumor is not always easy. The location of the basilar artery alone may not be significant. Displacement of the anterior pontomesencephalic vein anterior to the basilar artery appears to be a reliable indicat...

journal_title：Radiology

authors： Sarwar M,Bafnitzky S,Schechter MM

更新日期：1977-08-01 00:00:00

abstract：:Three patients with surgically proved pancreatic carcinoma and one with chronic and acute pancreatitis were evaluated by computed tomography. Scans through the pancreatic region were initially performed with standard 10-mm collimation and then repeated using thin-section (5-mm) collimation. In all cases a pathological...

journal_title：Radiology

authors： Callen PW,London SS,Moss AA

更新日期：1980-01-01 00:00:00

abstract：PURPOSE:To compare the reliability of acoustic radiation force impulse (ARFI) imaging and supersonic shear imaging (SSI) in measurement of liver stiffness. MATERIALS AND METHODS:This study was approved by the institutional review board, and written informed consent was obtained for all patients. Seventy-nine patients ...

journal_title：Radiology

authors： Woo H,Lee JY,Yoon JH,Kim W,Cho B,Choi BI

更新日期：2015-12-01 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：PURPOSE:To prospectively compare the diagnostic performance of ultrasonography (US) and unenhanced multi-detector row computed tomography (CT) in patients suspected of having acute appendicitis by using surgery or clinical follow-up as the reference standard. MATERIALS AND METHODS:The institutional review board approv...

journal_title：Radiology

authors： Keyzer C,Zalcman M,De Maertelaer V,Coppens E,Bali MA,Gevenois PA,Van Gansbeke D

更新日期：2005-08-01 00:00:00

abstract：:We describe a modification of a tracheostomy tube that allows treatment of carcinoma recurrence in the tracheal stoma using intracavitary radiation therapy. ...

journal_title：Radiology

authors： Janaki LM,Gardner JE,Medlin VL,Gates JR

更新日期：1986-04-01 00:00:00

abstract：PURPOSE:To prospectively evaluate the diagnostic performance of magnetic resonance (MR) spectroscopy in patients with suspicious lesions or biopsy-proved cancers at MR imaging by using histologic findings as the reference standard. MATERIALS AND METHODS:After institutional review board approval and informed consent we...

journal_title：Radiology

authors： Bartella L,Morris EA,Dershaw DD,Liberman L,Thakur SB,Moskowitz C,Guido J,Huang W

更新日期：2006-06-01 00:00:00

abstract：PURPOSE:To compare and evaluate the measures of costs for core-needle and surgical breast biopsies. MATERIALS AND METHODS:Three measures of costs were evaluated: (a) input resources, (b) actual payments, and (c) billed charges. A combination of methods were used for data collection from 10 sites enrolled in a large-sc...

journal_title：Radiology

authors： Burkhardt JH,Sunshine JH

更新日期：1999-07-01 00:00:00

abstract：:Computed tomography can help in the evaluation of congenitally anomalous aortic arches and subclavian arteries. The authors discuss the role of computed tomography in the evaluation of such anomalies in seven patients. ...

journal_title：Radiology

authors： McLoughlin MJ,Weisbrod G,Wise DJ,Yeung HP

更新日期：1981-02-01 00:00:00