Stereotaxic fine-needle aspiration of low-suspicion, nonpalpable breast nodules: valid alternative to follow-up mammography.

abstract：:Purpose To compare the prognostic performances of clinical T categorization between the longest diameter and average diameter at CT in patients who underwent surgical resection of non-small cell lung cancers (NSCLCs). Materials and Methods This study retrospectively determined clinical T categories based on the longes...

journal_title：Radiology

authors： Kim H,Goo JM,Kim YT,Park CM

更新日期：2019-03-01 00:00:00

abstract：PURPOSE:To prospectively evaluate the safety and effectiveness of radiofrequency ablation with a multiple-electrode switching system for the treatment of renal cell carcinoma (RCC). MATERIALS AND METHODS:From November 2009 to December 2010, 33 patients (mean age, 70.7 years; range, 44-86 years) with histologically pro...

journal_title：Radiology

authors： Takaki H,Nakatsuka A,Uraki J,Yamanaka T,Fujimori M,Hasegawa T,Arima K,Sugimura Y,Yamakado K

更新日期：2013-04-01 00:00:00

abstract：:A 68-year-old man had a painless, nontender lump in the right infrascapular region. An unenhanced computed tomography (CT) scan showed a soft-tissue mass attached to the scapula, causing muscular displacement. A similar, smaller mass was found on the left side. The appearance of the masses on CT scans was suggestive o...

journal_title：Radiology

authors： Berthoty DP,Shulman HS,Miller HA

更新日期：1986-08-01 00:00:00

abstract：:Least-squares regression analysis was computerized to provide functional color images of myocardial perfusion patterns. In 8 of the 9 patients studied, changes in pattern indicated that the revascularization procedure speeded the appearance time and/or net rate of 43K uptake. The functional images correlated well with...

journal_title：Radiology

authors： Smith RO,Bennett KR,Suzuki A,Lehan PH,Hellems HK

更新日期：1975-01-01 00:00:00

abstract：PURPOSE:To compare the accuracy of virtual bronchoscopy (VB) with that of axial computed tomography (CT) in the assessment of bronchial anastomotic complications in lung transplant recipients. MATERIALS AND METHODS:Twenty-seven bronchial anastomoses in 17 patients were evaluated with helical CT. Axial CT and VB images...

journal_title：Radiology

authors： McAdams HP,Palmer SM,Erasmus JJ,Patz EF,Connolly JE,Goodman PC,Delong DM,Tapson VF

更新日期：1998-12-01 00:00:00

abstract：:Sports medicine is one of the most rapidly growing subspecialties in orthopedics. Magnetic resonance (MR) imaging in sports medicine includes depiction of normal anatomy and pathologic conditions in almost every joint in the body, but the MR examinations most frequently requested are of the knee and shoulder. The repo...

journal_title：Radiology

authors： Helms CA

更新日期：2002-09-01 00:00:00

abstract：:The dynamics of white blood cell (WBC) and 67Ga-citrate accumulation were studied in rabbits with subcutaneous polyethylene chambers. Uninfected chamber fluid (CF) contained less than 1,000 WBCs/mm3, most of which were mononuclear. After 67Ga injection, radioactivity increased slowly in uninfected fluid, peaked betwee...

journal_title：Radiology

authors： Tight RR,Siddiqui AR

更新日期：1981-07-01 00:00:00

abstract：:A simple method of shielding the hand during cross-compression angiography is described. A standard lead glove with the fingertips cut out of the palmar aspect is used, allowing sensation and mobility while still protecting the hand. ...

journal_title：Radiology

authors： Nusbacher N,Pollak L,Bryk D

更新日期：1978-08-01 00:00:00

abstract：PURPOSE:To investigate if magnetic resonance (MR) enteroclysis can be performed routinely and to compare MR enteroclysis findings with those of conventional enteroclysis or surgery. MATERIALS AND METHODS:MR enteroclysis was prospectively performed in 30 patients with symptoms of inflammatory bowel disease or small-bow...

journal_title：Radiology

authors： Umschaden HW,Szolar D,Gasser J,Umschaden M,Haselbach H

更新日期：2000-06-01 00:00:00

abstract：PURPOSE:To compare the alpha-angle measurements in volunteers and patients with femoroacetabular impingement (FAI) and to develop potential threshold values. MATERIALS AND METHODS:This study was approved by the institutional review board; all individuals signed informed consent. Magnetic resonance (MR) images at 1.5 T...

journal_title：Radiology

authors： Sutter R,Dietrich TJ,Zingg PO,Pfirrmann CW

更新日期：2012-08-01 00:00:00

abstract：:The papillary process of the caudate lobe of the liver may appear separate from the liver and thus mimic lymph nodes or a pancreatic mass. In order to evaluate the sonographic appearance of this anatomic structure, 400 male and female patients with a mean age of 50 years were studied prospectively by means of ultrasou...

journal_title：Radiology

authors： Donoso L,Martínez-Noguera A,Zidan A,Lora F

更新日期：1989-12-01 00:00:00

abstract：:Radionuclide findings in a case of cavernous sinus occlusion by an intracavernous aneurysm are described. A brain image obtained 10 minutes after injection of 99Tc pertechnetate shows diminished activity in the area of the right cavernous sinus and increased activity in the area of the right sylvian veins; these are a...

journal_title：Radiology

authors： Hahn FJ,Schapiro RL

更新日期：1976-01-01 00:00:00

abstract：:Single and multiple dose-time fractionation schemes were investigated in patients with mycosis fungoides and lymphoma cutis. The single dose response shows that the disease-free interval is dose dependent. Remission rates are similar when the same total dose is given in either single treatments or multiple daily fract...

journal_title：Radiology

authors： Kim JH,Nisce LZ,D'Anglo GJ

更新日期：1976-05-01 00:00:00

abstract：:Magnetic resonance (MR) imaging was performed in 58 children aged 1 day to 17 years. In 43 patients with suspected renal abnormalities, the results of MR were compared with those obtained by ultrasonography, computed tomography, or excretory urography. The remaining 15 children with no known renal disease were initial...

journal_title：Radiology

authors： Dietrich RB,Kangarloo H

更新日期：1986-04-01 00:00:00

abstract：:To assess the relationship of coronary artery calcification to angiographically detectable disease, the authors evaluated 100 patients less than 60 years of age who underwent clinically indicated coronary angiography and ultrafast computed tomography (CT). The ultrafast CT technique consisted of 3-mm-thick contiguous ...

journal_title：Radiology

authors： Breen JF,Sheedy PF 2nd,Schwartz RS,Stanson AW,Kaufmann RB,Moll PP,Rumberger JA

更新日期：1992-11-01 00:00:00

abstract：:Fifteen patients with suspected or known aortic dissection were imaged with magnetic resonance (MR). Thirteen of these patients were eventually shown to have dissection. In most instances the diagnosis was established by aortography and/or computed tomography (CT) prior to the MR study. Surgical proof (6/13) and/or ao...

journal_title：Radiology

authors： Amparo EG,Higgins CB,Hricak H,Sollitto R

更新日期：1985-05-01 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：:The theories of decision processes and signal detection provide a framework for evaluation of observer performance. Some radiological procedures involve a search for multiple similar lesions, e.g., plain radiographic examinations for gallstones or pneumoconiosis. Presuming knowledge of the conventional ROC curve for d...

journal_title：Radiology

authors： Metz CE,Starr SJ,Lusted LB

更新日期：1976-11-01 00:00:00

abstract：:The purpose of the study was to prospectively evaluate a whole-body magnetic resonance (MR) imaging protocol to help depict metastases by using unenhanced T2-weighted and contrast material-enhanced T1-weighted real-time sequences during continuous table movement. The study was conducted after approval of the local ins...

journal_title：Radiology

authors： Brauck K,Zenge MO,Vogt FM,Quick HH,Stock F,Trarbach T,Ladd ME,Barkhausen J

更新日期：2008-03-01 00:00:00

abstract：:Fifty patients with chronic urinary tract schistosomiasis were studied with 99mTc-DTPA. All had a flow study, sequential analog imaging, and digital imaging for 25-35 minutes (20-sec. frames). Time-activity curves (DTPA renograms) were extracted; 12 patients had 131I-Hippuran probe renograms as well. Renal changes inc...

journal_title：Radiology

authors： Lamki LM,Lamki N

更新日期：1981-08-01 00:00:00

abstract：PURPOSE:To evaluate differences in T2 values in femoral and tibial cartilage at magnetic resonance (MR) imaging in patients with varying degrees of osteoarthritis (OA) compared with healthy subjects and to develop a mapping and display method based on calculation of T2 z scores for visual grading and assessment of cart...

journal_title：Radiology

authors： Dunn TC,Lu Y,Jin H,Ries MD,Majumdar S

更新日期：2004-08-01 00:00:00

abstract：:Laboratory tests that are commonly used in the evaluation of rheumatic diseases are described. The techniques for performing these tests; their use in screening, diagnosis, and follow-up; and the pitfalls in interpreting their results are discussed to provide the radiologist with an understanding of the current techno...

journal_title：Radiology

authors： Sack KE,Genant HK

更新日期：1981-06-01 00:00:00

abstract：:Background The hardware and software differences between MR vendors and individual sites influence the quantification of MR spectroscopy data. An analysis of a large data set may help to better understand sources of the total variance in quantified metabolite levels. Purpose To compare multisite quantitative brain MR ...

journal_title：Radiology

authors： Považan M,Mikkelsen M,Berrington A,Bhattacharyya PK,Brix MK,Buur PF,Cecil KM,Chan KL,Chen DYT,Craven AR,Cuypers K,Dacko M,Duncan NW,Dydak U,Edmondson DA,Ende G,Ersland L,Forbes MA,Gao F,Greenhouse I,Harris AD,He

更新日期：2020-04-01 00:00:00

abstract：:Irradiation of the orbit is often associated with substantial dose inhomogeneity resulting from the insertion of lens blocks. We postulated that such dose inhomogeneity, which often exceeds 40%, could be halved by the use of two pairs of wedged beams, one angled in the sagittal plane and the other in the commonly empl...

journal_title：Radiology

authors： Harisiadis L,Schell MC,Working KR,Justice T,Wessels BW,Ling CC

更新日期：1985-09-01 00:00:00

abstract：:A variation in ossification of the acromial process of the scapula is described. Postmortem radiographs, obtained in 78 infants who died of sudden infant death syndrome, showed an ossific opacity adjacent to the acromial process in 10 infants (13%). This finding was noted bilaterally in six patients and unilaterally i...

journal_title：Radiology

authors： Kleinman PK,Spevak MR

更新日期：1991-07-01 00:00:00

abstract：:Background Existing guidelines are inconsistent regarding the indications for staging brain MRI in patients with newly diagnosed, early-stage non-small cell lung cancer (NSCLC). Purpose To evaluate the diagnostic yield of staging brain MRI in the initial evaluation of lung cancer. Materials and Methods This retrospect...

journal_title：Radiology

authors： Kim M,Suh CH,Lee SM,Kim HC,Aizer AA,Yanagihara TK,Bai HX,Guenette JP,Huang RY,Kim HS

更新日期：2020-11-01 00:00:00

abstract：PURPOSE:To determine the enhancement patterns of the penis at magnetic resonance (MR) imaging. MATERIALS AND METHODS:Sequential contrast material-enhanced MR images of the penis in a flaccid state were obtained in 16 volunteers (12 with normal penile function and four with erectile dysfunction). RESULTS:Subjects with...

journal_title：Radiology

authors： Kaneko K,De Mouy EH,Lee BE

更新日期：1994-04-01 00:00:00

abstract：PURPOSE:To compare the clinical effectiveness of a covered nitinol stent with that of a polyurethane stent for treatment of lacrimal system obstructions. MATERIALS AND METHODS:A nitinol stent was knit from a single thread of 0.1-mm nitinol wire in a tubular configuration and was covered by dipping the stent into a pol...

journal_title：Radiology

authors： Ko GY,Song HY,Seo TS,Kim TH,Sung KB,Yoon HK

更新日期：2003-04-01 00:00:00

abstract：:Successful balloon catheter dilatation through the defunctionalized limb of a colostomy was performed in three infants with postischemic colonic stricture. This experience suggests that balloon catheter dilatation can be an alternative to surgical resection in treating delayed ischemic colonic stricture. ...

journal_title：Radiology

authors： Ball WS Jr,Seigel RS,Goldthorn JF,Kosloske AM

更新日期：1983-11-01 00:00:00

abstract：:CT scans of 87 patients with subdural hematoma were compared to those of 393 patients with midline shift caused by other intracranial lesions with regard to attenuation changes in the lesion and the character of the ventricular deformity. Isoattenuating was exhibited by 25% of the subdural hematomas and 5% of the othe...

journal_title：Radiology

authors： Möller A,Ericson K

更新日期：1979-01-01 00:00:00