Circular esophageal myotomy simulating a pulmonary or mediastinal pseudocyst.

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：PURPOSE:To investigate and describe the anatomic distribution, imaging features, and pattern of metastatic spread of malignant gastrointestinal stromal tumors (GISTs). MATERIALS AND METHODS:The medical records of all patients at our institution with a histologic diagnosis of GIST were reviewed. Two radiologists with k...

journal_title：Radiology

authors： Burkill GJ,Badran M,Al-Muderis O,Meirion Thomas J,Judson IR,Fisher C,Moskovic EC

更新日期：2003-02-01 00:00:00

abstract：:The variety of cervical lymphadenectomy and neck reconstructive procedures that have been developed in the past 20 years has led to confusion about nomenclature in the literature. In addition, some of these operations result in gross alteration of the normal anatomy. The authors review the present classification syste...

journal_title：Radiology

authors： Som PM,Urken ML,Biller H,Lidov M

更新日期：1993-06-01 00:00:00

abstract：:In hepatic tumors seen in children, treatment and prognosis differ from tumor to tumor and thus accurate determination of their extent and characteristics is important. Evaluation by gray scale ultrasonography, radionuclide imaging and angiography has produced definable characteristics for the various tumor types and ...

journal_title：Radiology

authors： Miller JH,Gates GF,Stanley P

更新日期：1977-08-01 00:00:00

abstract：:Purpose To assess the feasibility of a magnetically assisted remote-controlled (MARC) catheter system under magnetic resonance (MR) imaging guidance for performing a simple endovascular procedure (ie, renal artery embolization) in vivo and to compare with x-ray guidance to determine the value of MR imaging guidance an...

journal_title：Radiology

authors： Lillaney PV,Yang JK,Losey AD,Martin AJ,Cooke DL,Thorne BR,Barry DC,Chu A,Stillson C,Do L,Arenson RL,Saeed M,Wilson MW,Hetts SW

更新日期：2016-10-01 00:00:00

abstract：:To evaluate the efficacy of ultrasound (US)-guided automated core biopsy of thyroid nodules, 74 biopsies were performed in 61 consecutive patients with an 18-gauge short-throw (1.1-cm excursion) biopsy gun. Results were correlated with diagnoses made at surgery (n = 38) or at sonographic follow-up of at least 6 months...

journal_title：Radiology

authors： Taki S,Kakuda K,Kakuma K,Annen Y,Katada S,Yamashita R,Kosugi M,Michigishi T,Tonami N

更新日期：1997-03-01 00:00:00

abstract：PURPOSE:To establish an imaging approach to visualize the 100-microm-thick hippocampal neuron-generating dentate granule cell layer (DGCL) consistently within a clinically feasible magnetic resonance (MR) imaging duration and to assess its sensitivity by quantifying the likelihood that it will be detected in healthy yo...

journal_title：Radiology

authors： Prudent V,Kumar A,Liu S,Wiggins G,Malaspina D,Gonen O

更新日期：2010-03-01 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 22 gauge "skinny core" (Madayag) biopsy needle, an 18 gauge Menghini needle, and a 14 gauge Tru-cut needle were compared in 51 patients. The Madayag needle was found to have a high recovery rate and provided adequate histological information in a large percentage of cases. However, the larger needles more consistent...

journal_title：Radiology

authors： Haaga JR,LiPuma JP,Bryan PJ,Balsara VJ,Cohen AM

更新日期：1983-03-01 00:00:00

abstract：:Magnetic resonance (MR) imaging-related artifacts associated with five different aneurysm clips made of five different metals (commercially pure titanium, titanium alloy, Phynox, Elgiloy, and cobalt alloy) were evaluated. Aneurysm clips made of commercially pure titanium and titanium alloy produced the smallest artifa...

journal_title：Radiology

authors： Shellock FG,Kanal E

更新日期：1998-11-01 00:00:00

abstract：PURPOSE:To determine characteristic features of peripheral cholangiocarcinoma on two-phase spiral computed tomographic (CT) scans. MATERIALS AND METHODS:Thirty-four patients with peripheral cholangiocarcinoma underwent two-phase spiral CT. Hepatic arterial phase and portal venous phase images were obtained 30 and 65 s...

journal_title：Radiology

authors： Kim TK,Choi BI,Han JK,Jang HJ,Cho SG,Han MC

更新日期：1997-08-01 00:00:00

abstract：:The National Electrical Manufacturers Association (NEMA) has established a new standard for x-ray tube focal-spot measurements using a focal-spot camera with a slit instead of a pinhole. Measurements from the slit focal-spot camera are compared and star resolution pattern techniques for 50 focal spots. In addition, me...

journal_title：Radiology

authors： Everson JD,Gray JE

更新日期：1987-10-01 00:00:00

abstract：PURPOSE:To report the prevalence of qualitative radiographic findings for femoroacetabular impingement (FAI) and associations among them and to characterize the inter- and intraobserver variability of these interpretations. MATERIALS AND METHODS:This study is part of an institutional review board-approved population-b...

journal_title：Radiology

authors： Laborie LB,Lehmann TG,Engesæter IØ,Eastwood DM,Engesæter LB,Rosendahl K

更新日期：2011-08-01 00:00:00

abstract：:Subtraction radiography permits the use of 7-10 times less contrast material than is required without subtraction techniques. The first-order, second-order, and composite mask techniques are described and evaluated. While the second-order technique gives more complete cancellation of common structures, the more common...

journal_title：Radiology

authors： Ort MG,Gregg EC,Kaufman B

更新日期：1977-07-01 00:00:00

abstract：:The authors reviewed 55 failed total condylar knee replacements, correlating the radiographic and surgical findings at removal or revision. Failure was due to infection in 20 cases, mechanical loosening in 18, instability without loosening in 10, malalignment without loosening in 4, a supracondylar fracture in 2, and ...

journal_title：Radiology

authors： Schneider R,Abenavoli AM,Soudry M,Insall J

更新日期：1984-08-01 00:00:00

abstract：:Prototype surface coil magnetic resonance (MR) images were obtained from phantoms and 42 subjects at 0.6 T to assess the feasibility of imaging relatively deep abdominal structures. Surface coil images demonstrated a two- to fourfold improvement in signal-to-noise ratio (SNR) when compared with whole-body coil images ...

journal_title：Radiology

authors： Edelman RR,McFarland E,Stark DD,Ferrucci JT Jr,Simeone JF,Wismer G,White EM,Rosen BR,Brady TJ

更新日期：1985-11-01 00:00:00

abstract：:Afterloading techniques were developed for the in vivo assessment of the RBE of californium-252 with respect of radium-226 using a fibrosarcoma in mice. The afterloading holder positions sources so that the tumor is uniformly irradiated. Using the end points of tumor volumetric studies up to 150 days after irradiation...

journal_title：Radiology

authors： Moser FL,Lanzi LH,Mewissen DJ,Furedi EM,Rozenfeld M

更新日期：1975-10-01 00:00:00

abstract：:A stereotaxic frame, compatible with digital subtraction angiography, computed tomography, and magnetic resonance imaging, is described along with a set of software programs that run in an independent imaging computer system, as well as in the computers associated with each modality. Plexiglas plates fastened to the s...

journal_title：Radiology

authors： Peters TM,Clark JA,Olivier A,Marchand EP,Mawko G,Dieumegarde M,Muresan LV,Ethier R

更新日期：1986-12-01 00:00:00

abstract：:In 3,600 patients evaluated with technetium-99m sulfur colloid for metastatic liver disease, 40 had equivocal scans due to a solitary defect in the interior margin of the right lobe. In these patients, the authors differentiated the gallbladder fossa from a metastatic focus using one of two new hepatobiliary agents: t...

journal_title：Radiology

authors： Rao BK,Pastakia B,Lieberman LM

更新日期：1980-08-01 00:00:00

abstract：:The effects of magnetic resonance (MR) pulse sequences and timing parameters on tumor-liver contrast were studied in an animal model of metastatic liver cancer. Six spin-echo (SE), three inversion-recovery (IR), and four gradient-echo (GRE) sequences were evaluated at 0.6 T before and after injection of super-paramagn...

journal_title：Radiology

authors： Fretz CJ,Elizondo G,Weissleder R,Hahn PF,Stark DD,Ferrucci JT Jr

更新日期：1989-08-01 00:00:00

abstract：PURPOSE:To determine whether changes at diffusion-tensor magnetic resonance (MR) imaging were present in children with intractable epilepsy and focal cortical dysplasia (FCD) in (a) subcortical white matter subjacent to MR imaging-visible areas of FCD, (b) subcortical white matter beyond the MR imaging-visible abnormal...

journal_title：Radiology

authors： Widjaja E,Zarei Mahmoodabadi S,Otsubo H,Snead OC,Holowka S,Bells S,Raybaud C

更新日期：2009-04-01 00:00:00

abstract：PURPOSE:To compare the diagnostic usefulness of three-dimensional (3D) stereotaxic surface projection (SSP) with that of standard transaxial display in brain positron emission tomography (PET) in Alzheimer disease (AD). MATERIALS AND METHODS:Standard transaxial section display and 3D-SSP PET image sets obtained after ...

journal_title：Radiology

authors： Burdette JH,Minoshima S,Vander Borght T,Tran DD,Kuhl DE

更新日期：1996-03-01 00:00:00

abstract：:Purpose To report the results of dual-time-point gallium 68 (68Ga) prostate-specific membrane antigen (PSMA)-11 positron emission tomography (PET)/magnetic resonance (MR) imaging prior to prostatectomy in patients with intermediate- or high-risk cancer. Materials and Methods Thirty-three men who underwent conventional...

journal_title：Radiology

authors： Park SY,Zacharias C,Harrison C,Fan RE,Kunder C,Hatami N,Giesel F,Ghanouni P,Daniel B,Loening AM,Sonn GA,Iagaru A

更新日期：2018-08-01 00:00:00

abstract：PURPOSE:To review percutaneous intentional extraluminal recanalization (PIER) for treatment of patients who are poor candidates for infrainguinal arterial bypass surgery (IABS) and have arterial occlusions and chronic critical limb ischemia (CCLI). MATERIALS AND METHODS:Patients with CCLI who were poor candidates for ...

journal_title：Radiology

authors： Spinosa DJ,Leung DA,Matsumoto AH,Bissonette EA,Cage D,Harthun NL,Kern JA,Angle JF,Hagspiel KD,Crosby IK,Wellons HA Jr,Tribble CG,Hartwell GD

更新日期：2004-08-01 00:00:00

abstract：PURPOSE:To correlate upper gastrointestinal study findings of the position of the duodenum and duodenal-jejunal junction in children after liver transplantation with transplant type, age at transplantation, indication for transplantation, and history of surgery or malrotation. MATERIALS AND METHODS:Upper gastrointesti...

journal_title：Radiology

authors： Benya EC,Ben-Ami TE,Whitington PF,Alonso EM,Millis JM,Yousefzadeh DK

更新日期：1998-04-01 00:00:00

abstract：PURPOSE:To investigate the histopathologic anatomy of calcium pyrophosphate dihydrate (CPPD) crystal deposition in and around the atlantoaxial joint and the association between CPPD crystal deposition and subchondral cysts, erosions, and fracture involving the odontoid process of the axis. MATERIALS AND METHODS:One ad...

journal_title：Radiology

authors： Kakitsubata Y,Boutin RD,Theodorou DJ,Kerr RM,Steinbach LS,Chan KK,Pathria MN,Haghighi P,Resnick D

更新日期：2000-07-01 00:00:00

abstract：PURPOSE:To quantify dynamic enhancement of breast lesions with echo-planar and conventional magnetic resonance (MR) imaging, to correlate these data with histologic findings and vessel density, and to evaluate MATERIALS AND METHODS:Twenty female patients with 22 breast lesions underwent conventional and MR echo-planar...

journal_title：Radiology

authors： Hulka CA,Smith BL,Sgroi DC,Tan L,Edmister WB,Semple JP,Campbell T,Kopans DB,Brady TJ,Weisskoff RM

更新日期：1995-10-01 00:00:00

abstract：:The authors report a case of a hepatic artery aneurysm that simulated a mass in the head of the pancreas. The correct diagnosis was made preoperatively based on several findings: curvilinear calcification within the mass on CT, a well-defined cystic collection on ultrasound, absence of biliary duct dilatation or jaund...

journal_title：Radiology

authors： Gavin PM,Matalon TA,Petasnick JP,Roseman DL

更新日期：1984-09-01 00:00:00

abstract：PURPOSE:To prospectively compare accuracy of dynamic contrast material-enhanced thin-section multi-detector row helical computed tomography (CT), high-spatial-resolution three-dimensional (3D) dynamic gadolinium-enhanced magnetic resonance (MR) imaging, and superparamagnetic iron oxide (SPIO)-enhanced MR imaging with o...

journal_title：Radiology

authors： Ward J,Robinson PJ,Guthrie JA,Downing S,Wilson D,Lodge JP,Prasad KR,Toogood GJ,Wyatt JI

更新日期：2005-10-01 00:00:00

abstract：PURPOSE:To assess feasibility and reliability of electrocardiographic (ECG)-gated cardiac magnetic resonance (MR) imaging with a simplified reusable electrode design that does not touch the skin. MATERIALS AND METHODS:In this institutional review board-approved, HIPAA-compliant study, a silicon positioner held four EC...

journal_title：Radiology

authors： Thimmappa ND,Cooper MA,Nguyen TD,Dutruel SP,Kawaji K,Weinsaft JW

更新日期：2016-02-01 00:00:00