Aberrant placement of a Kimray-Greenfield filter in the right atrium: percutaneous retrieval.

abstract：PURPOSE:To determine the speed of and changes in the speed of coronary arterial movement during the cardiac cycle with electron-beam computed tomography (CT). MATERIALS AND METHODS:With electron-beam CT, 20 consecutive cross-sectional images were acquired at the mid right coronary artery (with 50-msec acquisition time...

journal_title：Radiology

authors： Achenbach S,Ropers D,Holle J,Muschiol G,Daniel WG,Moshage W

更新日期：2000-08-01 00:00:00

abstract：:Renal uptake of 99mTc-sulfur colloid during liver and spleen imaging was observed in 4 patients; all had moderate to severe congestive heart failure. Four similar patients with this association have been reported. Although the exact mechanism of colloid uptake by the kidneys is not known, an association with congestiv...

journal_title：Radiology

authors： Klingensmith WC 3rd,Datu JA,Burdick DC

更新日期：1978-04-01 00:00:00

abstract：PURPOSE:To assess the effectiveness of and complications associated with metallic stent placement for treatment of benign diseases of the colon. MATERIALS AND METHODS:With radiologic guidance, the authors placed metallic stents in 10 patients with benign diseases of the colon: Nine stents were placed in the rectosigmo...

journal_title：Radiology

authors： Paúl L,Pinto I,Gómez H,Fernández-Lobato R,Moyano E

更新日期：2002-06-01 00:00:00

abstract：:Retrospective analysis of 139 ventilation-perfusion (V/Q) lung scans obtained for suspected pulmonary embolism (PE) was undertaken, using the Biello criteria for interpretation. All scans were correlated with chest radiographs obtained within 24 hours and with pulmonary angiograms obtained within 72 hours of the V/Q s...

journal_title：Radiology

authors： Spies WG,Burstein SP,Dillehay GL,Vogelzang RL,Spies SM

更新日期：1986-05-01 00:00:00

abstract：PURPOSE:To assess the efficacy of perioperative implantation of iridium-192 for stage I and II breast cancer. MATERIALS AND METHODS:The authors retrospectively reviewed findings from 655 patients with stage I and II cancer treated with conservative surgery and Ir-192 implantation between 1982 and 1992. Hollow plastic ...

journal_title：Radiology

authors： Mansfield CM,Komarnicky LT,Schwartz GF,Rosenberg AL,Krishnan L,Jewell WR,Rosato FE,Moses ML,Barbot D,Cohn HE

更新日期：1994-07-01 00:00:00

abstract：PURPOSE:To determine whether magnetic resonance (MR) spectroscopic imaging reveals metabolic changes, especially decreased N-acetylaspartate (NAA) concentrations outside the medial temporal lobe in patients with mesial temporal lobe epilepsy (TLE), consistent with neuropathologic findings of extratemporal neuronal impa...

journal_title：Radiology

authors： Vermathen P,Laxer KD,Schuff N,Matson GB,Weiner MW

更新日期：2003-01-01 00:00:00

abstract：PURPOSE:To assess the prevalence and degree of lumbosacral transitional vertebrae (LSTV) in the Osteoarthritis Initiative (OAI) cohort, to assess whether LSTV correlates with low back pain (LBP) and buttock pain, and to assess the reproducibility of grading LSTV. MATERIALS & METHODS:Institutional review board approval...

journal_title：Radiology

authors： Nardo L,Alizai H,Virayavanich W,Liu F,Hernandez A,Lynch JA,Nevitt MC,McCulloch CE,Lane NE,Link TM

更新日期：2012-11-01 00:00:00

abstract：:In a patient with Paget disease, two of three lytic fronts ("blade-of-grass" lesions) healed according to radiologic criteria during intermittent diphosphonate therapy. ...

journal_title：Radiology

authors： Murphy WA,Whyte MP,Haddad JG Jr

更新日期：1980-03-01 00:00:00

abstract：:Spherical harmonics (SH) were used to approximate the volume and three-dimensional geometry of multiple sclerosis (MS) lesions in deceased patients. The institutional ethical committee does not require its approval for studies involving pathologic specimens. Pathologic findings were used as the reference standard. In ...

journal_title：Radiology

authors： Goldberg-Zimring D,Shalmon B,Zou KH,Azhari H,Nass D,Achiron A

更新日期：2005-06-01 00:00:00

abstract：PURPOSE:To prospectively evaluate the relative accuracy of computed tomography (CT) and magnetic resonance (MR) imaging in the staging of colorectal carcinoma. MATERIALS AND METHODS:CT and MR studies were independently interpreted in a group of 478 patients with colorectal carcinoma in a study conducted from 1989 to 1...

journal_title：Radiology

authors： Zerhouni EA,Rutter C,Hamilton SR,Balfe DM,Megibow AJ,Francis IR,Moss AA,Heiken JP,Tempany CM,Aisen AM,Weinreb JC,Gatsonis C,McNeil BJ

更新日期：1996-08-01 00:00:00

abstract：:The authors report an inflammatory fibroid polyp of the colon which simulated a tumor on the air-contrast barium-enema examination. Histological evaluation revealed the inflammatory nature of the polyp. These rare lesions can be radiographically indistinguishable from primary colon carcinoma. ...

journal_title：Radiology

authors： Ferin P,Skucas J

更新日期：1983-10-01 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：PURPOSE:To compare areas of contrast material enhancement in the prostate at ultrasonography (US) with whole-mount radical prostatectomy specimens to determine if the use of contrast material improves the detection rate of prostate cancer. MATERIALS AND METHODS:Transrectal US was performed in 12 subjects with cancer o...

journal_title：Radiology

authors： Halpern EJ,McCue PA,Aksnes AK,Hagen EK,Frauscher F,Gomella LG

更新日期：2002-02-01 00:00:00

abstract：:The authors retrospectively evaluated 12 patients with congenital (neonatal) neuroblastoma to assess the utility of newer imaging modalities. Findings at prenatal ultrasound (US), performed in four patients, were nonspecific (hydramnios and hydrops fetalis) in two and consistent with a suprarenal mass (one solid, one ...

journal_title：Radiology

authors： Forman HP,Leonidas JC,Berdon WE,Slovis TL,Wood BP,Samudrala R

更新日期：1990-05-01 00:00:00

abstract：:Desferal was labeled with 111In and its distribution was studied in normal mice, rabbits bearing turpentine-induced abscesses, and rats bearing Staphylococcus aureus-induced abscesses. The results indicate that 111In Desferal may be used in abscess detection and localization. ...

journal_title：Radiology

authors： Chandra R,Pierno C,Braunstein P

更新日期：1978-09-01 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：PURPOSE:To evaluate the usefulness of T2-weighted fast spin-echo magnetic resonance (MR) imaging with a 512 x 256 matrix for assessment of the preoperative stage of endometrial carcinoma. MATERIALS AND METHODS:Twenty-eight women with histopathologically proved endometrial carcinoma underwent preoperative T2-weighted f...

journal_title：Radiology

authors： Takahashi S,Murakami T,Narumi Y,Kurachi H,Tsuda K,Kim T,Enomoto T,Tomoda K,Miyake A,Murata Y,Nakamura H

更新日期：1998-02-01 00:00:00

abstract：:The imaging performance of new high-strip-density (HSD) grids having 57 lines/cm was compared with that of conventional low-strip-density (LSD) grids having 33 or 40 lines/cm. The unique advantage of HSD grids is that, under most standard radiographic conditions, the grid lines are not noticeable on the final image, e...

journal_title：Radiology

authors： Doi K,Frank PH,Chan HP,Vyborny CJ,Makino S,Iida N,Carlin M

更新日期：1983-05-01 00:00:00

abstract：PURPOSE:To determine if oxidative and nitrative stress and/or apoptosis contribute to increased coagulation when combining radiofrequency (RF) ablation with liposomal doxorubicin. MATERIALS AND METHODS:Animal care committee approval was obtained. R3230 mammary adenocarcinomas in Fischer rats were treated with either R...

journal_title：Radiology

authors： Solazzo SA,Ahmed M,Schor-Bardach R,Yang W,Girnun GD,Rahmanuddin S,Levchenko T,Signoretti S,Spitz DR,Torchilin V,Goldberg SN

更新日期：2010-04-01 00:00:00

abstract：PURPOSE:To determine if vertebral bone densities or vertebral body sizes contribute to gender differences in vertebral bone mass in adults. MATERIALS AND METHODS:Cancellous and cortical bone densities and dimensions of three lumbar vertebrae in 25 women and 18 men were measured with quantitative computed tomography (C...

journal_title：Radiology

authors： Gilsanz V,Boechat MI,Gilsanz R,Loro ML,Roe TF,Goodman WG

更新日期：1994-03-01 00:00:00

abstract：PURPOSE:To investigate the effect of duration and rate of contrast material injection on aortic peak time and peak enhancement in an injection protocol in which the contrast material dose is adjusted according to patient weight. MATERIALS AND METHODS:One hundred ninety-nine patients were randomly divided into three gr...

journal_title：Radiology

authors： Awai K,Hiraishi K,Hori S

更新日期：2004-01-01 00:00:00

abstract：PURPOSE:To compare image resolution from iterative reconstruction with resolution from filtered back projection for low-contrast objects on phantom computed tomographic (CT) images across vendors and exposure levels. MATERIALS AND METHODS:Randomized repeat scans of an American College of Radiology CT accreditation pha...

journal_title：Radiology

authors： Saiprasad G,Filliben J,Peskin A,Siegel E,Chen J,Trimble C,Yang Z,Christianson O,Samei E,Krupinski E,Dima A

更新日期：2015-10-01 00:00:00

abstract：:Extracranial applications of diffusion-weighted (DW) magnetic resonance (MR) imaging are gaining increasing importance, including in head and neck radiology. The main indications for performing DW imaging in this relatively small but challenging region of the body are tissue characterization, nodal staging, therapy mo...

journal_title：Radiology

authors： Thoeny HC,De Keyzer F,King AD

更新日期：2012-04-01 00:00:00

abstract：:Computed tomography (CT) was performed in 42 patients with 49 clinically suspected tears of the posterior tibial tendon. Twenty-eight of the 49 suspected tears were subsequently surgically explored and repaired. Three patterns of tendon abnormalities were recognized on CT scans: type I-intact, hypertrophied, heterogen...

journal_title：Radiology

authors： Rosenberg ZS,Jahss MH,Noto AM,Shereff MJ,Cheung Y,Frey CC,Norman A

更新日期：1988-05-01 00:00:00

abstract：:A technique to perform a liver biopsy through the femoral vein with the Mansfield biopsy forceps is described. Nine liver biopsy procedures were performed in seven patients who were considered at high risk of bleeding, precluding a conventional transperitoneal biopsy. The technique is an easy, safe, and well-tolerated...

journal_title：Radiology

authors： Mewissen MW,Lipchik EO,Schreiber ER,Varma RR

更新日期：1988-12-01 00:00:00

abstract：:A review was made of 219 transcatheter vessel occlusion procedures performed over a ten-year period for control of hemorrhage, tumor palliation, or blood supply redistribution prior to intra-arterial chemotherapy. Complete angiographic success was obtained in 85% of the procedures, with partial success in 8%; complete...

journal_title：Radiology

authors： Feldman L,Greenfield AJ,Waltman AC,Novelline RA,van Breda A,Luers P,Athanasoulis CA

更新日期：1983-04-01 00:00:00

abstract：:Twenty-six patients with an eqivocal portal defect on conventional nuclear images were evaluated with a multiplane tomographic nuclear scanner and gray scale ultrasound. In most cases the correct determination (normal or abnormal) for an area of decreased uptake could be made from the multiplane tomographic scans. Whe...

journal_title：Radiology

authors： Sample WF,Gray RK,Poe ND,Graham LS,Bennett LR

更新日期：1977-03-01 00:00:00

abstract：:In the redistribution of cells through the division cycle between dose fractions, the sensitizing effect is greatest when small doses per fraction are used. Since nonproliferating tissues limit the dose in radiotherapy and will not be sensitized by redistribution, the more the dose is fractionated and the lower the do...

journal_title：Radiology

authors： Withers HR

更新日期：1975-01-01 00:00:00

abstract：:Twenty rhesus monkeys had one kidney irradiated (after undergoing unilateral nephrectomies) with one of four doses: 960 or 1080 rads of 50 MeVd leads to Be neutrons, or 2350 or 2700 rads of 60Co. Whereas animals treated with the lower dose of neutrons or 60Co are alive with relatively normal renal function, those trea...

journal_title：Radiology

authors： Raulston GL,Gray KN,Gleiser CA,Jardine JH,Flow BL,Huchton JI,Bennett KR,Hussey DH

更新日期：1978-07-01 00:00:00

abstract：PURPOSE:To compare imaging findings between laproscopic and open partial nephrectomy at 6 months after surgery and to follow the evolution of the findings over time. MATERIALS AND METHODS:This HIPAA-compliant retrospective study had institutional review board approval and consent was waived. A surgical database was cr...

journal_title：Radiology

authors： Hecht EM,Bennett GL,Brown KW,Robbins D,Hyams ES,Taneja SS,Stifelman MA

更新日期：2010-05-01 00:00:00