Clear cell chondrosarcoma.

abstract：:Parathyroid scintigraphy using a double-tracer (T1-201, Tc-99m) subtraction technique depicted 17 of 23 (74%) parathyroid adenomas in patients with and without previous neck operations. High-resolution (10-MHz) ultrasound (US) depicted 18 (78%) of these adenomas. Average tumor size depicted by US was 17 X 10 X 8 mm (e...

journal_title：Radiology

authors： Gooding GA,Okerlund MD,Stark DD,Clark OH

更新日期：1986-10-01 00:00:00

abstract：:Background Previous studies have suggested that texture analysis is a promising tool in the diagnosis, characterization, and assessment of treatment response in various cancer types. Therefore, application of texture analysis may be helpful for early prediction of pathologic response in breast cancer. Purpose To inves...

journal_title：Radiology

authors： Eun NL,Kang D,Son EJ,Park JS,Youk JH,Kim JA,Gweon HM

更新日期：2020-01-01 00:00:00

abstract：:Between January 1981 and June 1990, 36 previously untreated patients with squamous cancer of the base of the tongue were treated with radiation therapy. This therapy consisted of a 5,000-5,400-cGy external beam plus a 2,000-3,000-cGy boost to the base of the tongue with an iridium-192 implant. Necks with negative node...

journal_title：Radiology

authors： Harrison LB,Zelefsky MJ,Sessions RB,Fass DE,Armstrong JG,Pfister DG,Strong EW

更新日期：1992-07-01 00:00:00

abstract：:Eight patients with aneurysms of the right ventricular outflow tract patch following tetralogy of Fallot repair were found to have residual distal obstructions. The site of such an obstruction must be carefully documented preoperatively because failure to relieve significant distal obstruction may result in recurrent ...

journal_title：Radiology

authors： Ascuitto RJ,Ross-Ascuitto NT,Markowitz RI,Kopf GS,Hellenbrand WE,Fahey JT,Kleinman CS

更新日期：1988-04-01 00:00:00

abstract：:In vivo sodium magnetic resonance (MR) images of various structures--such as the heart, chest wall, kidneys, spine, liver, gallbladder, breasts, knees, hands, and feet--were obtained at 1.9 T. Improved sensitivity relative to standard spin-echo imaging was achieved with use of a modified three-dimensional acquisition ...

journal_title：Radiology

authors： Granot J

更新日期：1988-05-01 00:00:00

abstract：:A cancellation of signal intensity at the interface separating selected tissue-equivalent materials is observed in inversion recovery proton MR images. The absence of signal intensity at the interface is always one pixel wide and appears only when the tissue-equivalent materials forming the interface differ substantia...

journal_title：Radiology

authors： Hearshen DO,Ellis JH,Carson PL,Shreve P,Aisen AM

更新日期：1986-08-01 00:00:00

abstract：:Retrospective evaluation of 125 consecutive gallbladder sonograms was done to determine the conditions under which a thickened gallbladder wall is identified. The population studied included a large number of chronic alcoholics. Forty-two patients (Group A) had thickened (greater than or equal to 3 mm) gallbladder wal...

journal_title：Radiology

authors： Fiske CE,Laing FC,Brown TW

更新日期：1980-06-01 00:00:00

abstract：:A percutaneous technique is described for the introduction of Kimray-Greenfield filters into the vena cava through either the internal jugular or femoral approach. ...

journal_title：Radiology

authors： Tadavarthy SM,Castaneda-Zuniga W,Salomonowitz E,Lund G,Cragg A,Hunter D,Coleman C,Amplatz K

更新日期：1984-05-01 00:00:00

abstract：:Medical therapy is standard for intrahepatic amebic abscess and generally is effective. However, we have encountered a group of patients in whom percutaneous aspiration and drainage was indicated due to uncertainty of diagnosis or clinical deterioration of the patient. Twenty such patients underwent percutaneous drain...

journal_title：Radiology

authors： vanSonnenberg E,Mueller PR,Schiffman HR,Ferrucci JT Jr,Casola G,Simeone JF,Cabrera OA,Gosink BB

更新日期：1985-09-01 00:00:00

abstract：:Acquisition and measurement of left ventricular (LV) volumes with a three-dimensional data set of cine magnetic resonance (MR) images from apex to base is a time-consuming process. Results of a study with 10 healthy volunteers and 10 patients with LV hypertrophy were prospectively evaluated. The heart was shown in the...

journal_title：Radiology

authors： Dulce MC,Mostbeck GH,Friese KK,Caputo GR,Higgins CB

更新日期：1993-08-01 00:00:00

abstract：PURPOSE:To test whether magnetic resonance (MR) imaging enables accurate measurement of extraction fraction (EF) in swine with unilateral renal ischemia and to evaluate effects of renal arterial stenosis on EF and single-kidney glomerular filtration rate. MATERIALS AND METHODS:High-grade unilateral renal arterial sten...

journal_title：Radiology

authors： Coulam CH,Lee JH,Wedding KL,Spielman DM,Pelc NJ,Kee ST,Hill BB,Bouley DM,Derby GC,Myers BD,Sawyer-Glover AM,Sommer FG

更新日期：2002-04-01 00:00:00

abstract：PURPOSE:To describe a posterior labral cleft at direct computed tomographic (CT) arthrography of the shoulder by using multidetector CT and to compare this finding with a true posterior labral tear. MATERIALS AND METHODS:Institutional ethics review board approval was obtained, and informed consent was waived. One hund...

journal_title：Radiology

authors： Lee GY,Choi JA,Oh JH,Choi JY,Hong SH,Kang HS

更新日期：2009-12-01 00:00:00

abstract：:Purpose To evaluate the association between Breast Imaging Reporting and Data System (BI-RADS) mammographic and magnetic resonance (MR) imaging features and breast cancer recurrence risk in patients with estrogen receptor-positive breast cancer who underwent the Oncotype DX assay. Materials and Methods In this institu...

journal_title：Radiology

authors： Woodard GA,Ray KM,Joe BN,Price ER

更新日期：2018-01-01 00:00:00

abstract：PURPOSE:To compare the accuracy of a fluid-attenuated inversion-recovery (FLAIR) sequence with that of a conventional double spin-echo (SE) sequence in the identification of increased signal intensity of the hippocampus in mesial temporal sclerosis (MTS). MATERIALS AND METHODS:Three blinded reviewers independently gra...

journal_title：Radiology

authors： Jack CR Jr,Rydberg CH,Krecke KN,Trenerry MR,Parisi JE,Rydberg JN,Cascino GD,Riederer SJ

更新日期：1996-05-01 00:00:00

abstract：PURPOSE:To evaluate the long-term success of tantalum stents implanted in iliac artery lesions and to determine potential predictive factors of early and late stent failure. MATERIALS AND METHODS:In 289 patients, flexible tantalum stents were implanted in iliac artery stenoses (n - 223) or occlusions (n - 66). Early a...

journal_title：Radiology

authors： Strecker EP,Boos IB,Hagen B

更新日期：1996-06-01 00:00:00

abstract：:In a series of nine stereotaxic large-core biopsies of calcifications, radiography of the specimen was used to ensure that appropriate tissue was removed. In eight cases, calcifications were evident at radiography as well as at histologic evaluation. Four cases were malignant and four were benign, and in one case in w...

journal_title：Radiology

authors： Meyer JE,Lester SC,Frenna TH,White FV

更新日期：1993-08-01 00:00:00

abstract：:In diagnostic radiology, the routine measurement of exposure levels for a reference patient is an important part of an effective quality assurance program. In the United States, chest radiography is the most frequent examination and has the lowest exposure level of all radiologic examinations. We estimated the amount ...

journal_title：Radiology

authors： Butler PF,Conway BJ,Suleiman OH,Koustenis GH,Showalter CK

更新日期：1985-08-01 00:00:00

abstract：:Circular esophageal myotomy of the upper pouch in infants with esophageal atresia is an effective means of reducing anastomotic tension. This report describes two patients who developed marked postoperative dilatation of the proximal esophagus at the myotomy site. On radiographs, the dilated, air-filled esophagus simu...

journal_title：Radiology

authors： Siegel MJ,Shackelford GD,McAlister WH,Bell MJ

更新日期：1980-08-01 00:00:00

abstract：:A new tray has been designed for use during procedures involving needles and other sharp objects. The tray includes a foam adhesive pad, marked into 10 sections, into which the sharp objects can be placed point first. After the procedure, the objects can be safely withdrawn by their handles and then discarded. The tra...

journal_title：Radiology

authors： Mueller PR,Silverman SG,Tung G,Brink JA,Cardenosa G,Saini S,Forman BH,Hahn PF

更新日期：1989-10-01 00:00:00

abstract：:BackgroundMethylphenidate (MPH) is highly effective in treating attention-deficit/hyperactivity disorder (ADHD). However, not much is known about its effect on the development of human brain white matter (WM).PurposeTo determine whether MPH modulates WM microstructure in an age-dependent fashion in a randomized double...

journal_title：Radiology

authors： Bouziane C,Filatova OG,Schrantee A,Caan MWA,Vos FM,Reneman L

更新日期：2019-10-01 00:00:00

abstract：:Fifty cadaver ankles were examined with ankle tenography. The normal tenographic appearance of the peroneus longus and brevis, posterior tibial, flexor digitorum longus, flexor hallucis longus, anterior tibialis, extensor hallucis longus, and extensor digitorum longus tendons and sheaths are described and illustrated ...

journal_title：Radiology

authors： Teng MM,Destouet JM,Gilula LA,Resnick D,Hembree JL,Oloff LM

更新日期：1984-06-01 00:00:00

abstract：PURPOSE:To evaluate changes in cardiac and respiratory rates in a consecutive series of patients who underwent percutaneous treatment for lesions presumed to be osteoid osteoma in whom general anesthesia was established. MATERIALS AND METHODS:Changes in cardiac and respiratory rates were evaluated after establishment ...

journal_title：Radiology

authors： Rosenthal DI,Marota JJ,Hornicek FJ

更新日期：2003-01-01 00:00:00

abstract：:Hyperpolarized metabolic magnetic resonance (MR) imaging offers greatly enhanced sensitivity to multinuclear MR spectroscopy, opening up a new tool with which to noninvasively assess metabolic changes in the diseased heart. In this issue of Radiology, O h-Ici et al ( 1 ) have demonstrated this ability by exploring the...

journal_title：Radiology

authors： Tyler DJ,Neubauer S

更新日期：2016-03-01 00:00:00

abstract：PURPOSE:To determine if prominent vascularity and low pulsatility index (PI) and resistive index (RI) in endometrial arteries help differentiate carcinoma from benign lesions. MATERIALS AND METHODS:Forty-five postmenopausal women with at least 8-mm-thick endometrium at endovaginal ultrasound (US) underwent color duple...

journal_title：Radiology

authors： Sheth S,Hamper UM,McCollum ME,Caskey CI,Rosenshein NB,Kurman RJ

更新日期：1995-06-01 00:00:00

abstract：:Five cases, four histologically proved, or hamartoma of the tuber cinereum and hypothalamus in children (age range: 2--12 years) are reported. Three cases had pubertas praecox, and in all of these the hamartoma was located in the basal cistern between the chiasm and pons, and had a collar button shape and size typical...

journal_title：Radiology

authors： Lin SR,Bryson MM,Gobien RP,Fitz CR,Lee YY

更新日期：1978-06-01 00:00:00

abstract：:Six commercially available movable core guide wires were compared with each other and with a new design in glass models simulating tortuous vessels. The results demonstrate a wide variability in performance of the commercially available wires and the superiority of the new design. ...

journal_title：Radiology

authors： Smith TP,Derauf BJ,Darcy MD,Hunter DW,Castaneda-Zuniga WR,Amplatz K

更新日期：1986-05-01 00:00:00

abstract：:Images from endoscopic retrograde pancreatography performed in 38 patients with cystic pancreatic neoplasms were reviewed to determine whether they might allow differentiation of malignant from benign lesions. Twenty-three patients had histologically proved benign lesions; 15 had frankly malignant lesions. Images were...

journal_title：Radiology

authors： Gazelle GS,Mueller PR,Raafat N,Halpern EF,Cardenosa G,Warshaw AL

更新日期：1993-09-01 00:00:00

abstract：:An international working group has modified the Atlanta classification for acute pancreatitis to update the terminology and provide simple functional clinical and morphologic classifications. The modifications (a) address the clinical course and severity of disease, (b) divide acute pancreatitis into interstitial edem...

journal_title：Radiology

authors： Thoeni RF

更新日期：2012-03-01 00:00:00

abstract：:The appearance of testicular prostheses on magnetic resonance (MR) images was studied in six patients with seven silicone implants: two with a fluid consistency and five that were solid. On T1-weighted images, both types of prosthesis demonstrated homogeneous low signal intensity; on T2-weighted images, the fluid impl...

journal_title：Radiology

authors： Semelka R,Anderson M,Hricak H

更新日期：1989-11-01 00:00:00

abstract：:Modern rapid magnetic resonance (MR) imaging techniques have led to widespread use of the modality in cardiac imaging. Despite this progress, many MR studies suffer from image degradation due to involuntary motion during the acquisition. This review describes the type and extent of the motion of the heart due to the c...

journal_title：Radiology

authors： Scott AD,Keegan J,Firmin DN

更新日期：2009-02-01 00:00:00