Clinical comparison of small-and large-caliber cutting needles for biopsy.

abstract：:A prone-angled compression radiographic view was compared with traditional radiographs in 17 patients with suspected Crohn disease. The angled view was clearly superior to the posteroanterior view in visualization of disease in the terminal ileum and small bowel and was superior to spot radiographs in six of 10 patien...

journal_title：Radiology

authors： Yue NC,Jones B

更新日期：1993-05-01 00:00:00

abstract：PURPOSE:To prospectively evaluate accuracy and predictive values of Doppler ultrasonographic (US) measurement of portal blood velocity (PBV) and splenic pulsatility index (SPI) in diagnosis of clinically relevant acute rejection in patients with clinicobiochemical hepatic dysfunction after orthotopic liver transplantat...

journal_title：Radiology

authors： Bolognesi M,Sacerdoti D,Mescoli C,Nava V,Bombonato G,Merkel C,Merenda R,Angeli P,Rugge M,Gatta A

更新日期：2005-05-01 00:00:00

abstract：:A diagnostic approach to assess liver metastases from colorectal carcinoma was prospectively evaluated in 30 patients with and without metastases on the basis of findings at conventional computed tomography (CT). With the technique, termed continuous CT angiography (CCTA), CT data were continuously sampled for 24 seco...

journal_title：Radiology

authors： Oudkerk M,van Ooijen B,Mali SP,Tjiam SL,Schmitz PI,Wiggers T

更新日期：1992-10-01 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：:Gated radionuclide imaging with 99mTc-labeled red blood cells was employed to assess changes in right atrial (RA) volume in 17 subjects. Studies were repeated within two hours in five of 12 normal subjects and at two and ten days after infarction in five patients. Time-activity curves were generated for the RA and rig...

journal_title：Radiology

authors： Marmor A,Biello DR,Sampathkumaran KS,Geltman EM,Siegel BA,Roberts R

更新日期：1981-06-01 00:00:00

abstract：PURPOSE:To prospectively compare the accuracy of fluorine 18 fluorodeoxyglucose (FDG) positron emission tomography (PET) and computed tomography (CT) for detection of primary tumor and metastasis to individual lymph node groups and for nodal staging. MATERIALS AND METHODS:From February 2000 to July 2001, 81 patients w...

journal_title：Radiology

authors： Yoon YC,Lee KS,Shim YM,Kim BT,Kim K,Kim TS

更新日期：2003-06-01 00:00:00

abstract：:Relaxation times (T1 and T2) were measured in vivo in mongrel dogs at fields of 0.3, 0.5, 1.0, 1.35, and 1.5 tesla (T). T1 was measured using nine values of inversion time ranging from 10 to 1,280 msec. T2 was measured with a four-point multiple spin-echo sequence. Relaxation times were calculated for muscle, kidney c...

journal_title：Radiology

authors： Johnson GA,Herfkens RJ,Brown MA

更新日期：1985-09-01 00:00:00

abstract：PURPOSE:To determine whether increased silver halide deposition accounts for some curvilinear areas of hyperlucency (halo signs) that surround breast masses on screen-film mammograms. MATERIALS AND METHODS:Breast images obtained in 43 women (aged 30-67 years; mean, 48.6 years) that showed a halo sign were selected fro...

journal_title：Radiology

authors： Cupples TE,Eklund GW,Cardenosa G

更新日期：1996-04-01 00:00:00

abstract：:Two patients with pneumothorax had ventilation-perfusion studies to rule out the possibility of pulmonary embolism; the presence of air in the pleural space was not known to the authors when the study was analyzed. A typical ventilatory pattern characterized by small volume difference at total lung capacity followed b...

journal_title：Radiology

authors： Dhekne RD,Burdine JA

更新日期：1978-10-01 00:00:00

abstract：PURPOSE:To evaluate the effect of a computer-aided diagnosis (CAD) system on the diagnostic performance of radiologists for the estimation of the malignancy of pulmonary nodules on thin-section helical computed tomographic (CT) scans. MATERIALS AND METHODS:The institutional review board approved use of the CT database...

journal_title：Radiology

authors： Awai K,Murao K,Ozawa A,Nakayama Y,Nakaura T,Liu D,Kawanaka K,Funama Y,Morishita S,Yamashita Y

更新日期：2006-04-01 00:00:00

abstract：PURPOSE:To evaluate feasibility and added value of dual-energy computed tomography (CT) in diagnosis of pulmonary embolism (PE). MATERIALS AND METHODS:This institutional animal experimental committee-approved study was performed in accordance with animal care guidelines. Eight New Zealand rabbits underwent standard un...

journal_title：Radiology

authors： Zhang LJ,Zhao YE,Wu SY,Yeh BM,Zhou CS,Hu XB,Hu QJ,Lu GM

更新日期：2009-07-01 00:00:00

abstract：:Purpose To determine the degree of preoperative fatty degeneration within muscles, postoperative longitudinal changes in fatty degeneration, and differences in fatty degeneration between patients with full-thickness supraspinatus tears who do and those who do not experience a retear after surgery. Materials and Method...

journal_title：Radiology

authors： Nozaki T,Tasaki A,Horiuchi S,Ochi J,Starkey J,Hara T,Saida Y,Yoshioka H

更新日期：2016-08-01 00:00:00

abstract：PURPOSE:To evaluate the feasibility of magnetic resonance (MR) perfusion imaging in the human lung to help detect perfusion defects distal to suspected pulmonary embolism. MATERIALS AND METHODS:Seven patients suspected of having pulmonary embolism first underwent ventilation-perfusion lung scintigraphy followed by MR ...

journal_title：Radiology

authors： Amundsen T,Kvaerness J,Jones RA,Waage A,Bjermer L,Nilsen G,Haraldseth O

更新日期：1997-04-01 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：PURPOSE:To develop a three-dimensional (3D) segmentation and computerized volumetry technique for use in the assessment of neurofibromatosis and to assess the ability of this technique to aid in the calculation of tumor burden in patients with neurofibromatosis types 1 and 2 (NF1 and NF2, respectively) and schwannomato...

journal_title：Radiology

authors： Cai W,Kassarjian A,Bredella MA,Harris GJ,Yoshida H,Mautner VF,Wenzel R,Plotkin SR

更新日期：2009-03-01 00:00:00

abstract：PURPOSE:To compare observer performance by using soft-copy images produced by an amorphous silicon flat-panel-detector system and a storage-phosphor system for the detection of simulated chest lesions. MATERIALS AND METHODS:To test the diagnostic performance of these two systems, four types of simulated lesions (nodul...

journal_title：Radiology

authors： Goo JM,Im JG,Lee HJ,Chung MJ,Seo JB,Kim HY,Lee YJ,Kang JW,Kim JH

更新日期：2002-07-01 00:00:00

abstract：PURPOSE:To prospectively evaluate the learning curves and reading times of inexperienced readers who used the virtual dissection reading method for retrospective computed tomographic (CT) colonography data sets, with and without concurrent computer-aided detection (CAD). MATERIALS AND METHODS:An Institutional Review B...

journal_title：Radiology

authors： Hock D,Ouhadi R,Materne R,Aouchria AS,Mancini I,Broussaud T,Magotteaux P,Nchimi A

更新日期：2008-09-01 00:00:00

abstract：:There is an increasing opportunity to perform multifunctional imaging at a variety of organ sites with relatively short examination times. Each technique yields quantitative parameters that reflect specific aspects of the underlying tumor or tissue biology. Many biomarkers have emerged that provide unique information ...

journal_title：Radiology

authors： Padhani AR,Miles KA

更新日期：2010-08-01 00:00:00

abstract：PURPOSE:To retrospectively evaluate computed tomographic (CT) findings of immunoglobulin G4 (IgG4)-related disease involving the vascular system. MATERIALS AND METHODS:This study was approved by the institutional review board, and all patients included had consented to the use of their medical records for the purpose ...

journal_title：Radiology

authors： Inoue D,Zen Y,Abo H,Gabata T,Demachi H,Yoshikawa J,Miyayama S,Nakanuma Y,Matsui O

更新日期：2011-11-01 00:00:00

abstract：:Detection of specific tumor sites was studied with scintigraphy and radiolabeled human IgM monoclonal antibodies (MoAbs). Ten patients with metastatic breast cancer received an infusion of one of three indium-111-labeled anti-breast carcinoma MoAbs. The time of infusion ranged from 30 minutes to 2 hours. Three patient...

journal_title：Radiology

authors： Ryan KP,Dillman RO,DeNardo SJ,DeNardo GL,Beauregard J,Hagan PL,Amox DG,Clutter ML,Burnett KG,Rulot CM

更新日期：1988-04-01 00:00:00

abstract：:A clinical comparison study of scanning equalization radiography (SER) and conventional chest radiography was performed with the latest prototype SER system. Conventional chest radiography was performed at 120 kVp with Lanex regular screens (Eastman Kodak, Rochester, NY) and Kodak Ortho-G or Ortho-C film (Eastman Koda...

journal_title：Radiology

authors： Wandtke JC,Plewes DB

更新日期：1989-09-01 00:00:00

abstract：:The value of magnetic resonance (MR) imaging was assessed for 17 pregnant patients with sonograms suggestive of a pelvic mass. The MR imaging signal features improved lesion characterization in 47% (eight of 17) of cases, including two of four mature cystic teratomas of the ovary, three uterine fibroids, one solid ova...

journal_title：Radiology

authors： Kier R,McCarthy SM,Scoutt LM,Viscarello RR,Schwartz PE

更新日期：1990-09-01 00:00:00

abstract：PURPOSE:To characterize the thin-section computed tomographic (CT) appearance of bronchiolitis fibrosa obliterans syndrome in infants and young children after lung transplantation. MATERIALS AND METHODS:Thin-section CT studies in six patients with bronchiolitis obliterans syndrome (age range, 2 months to 5 1/2 years) ...

journal_title：Radiology

authors： Lau DM,Siegel MJ,Hildebolt CF,Cohen AH

更新日期：1998-09-01 00:00:00

abstract：PURPOSE:To measure serum calcium concentration with three different analytic methods after administration of gadoversetamide and three other gadolinium chelates in dogs. MATERIALS AND METHODS:Six dogs were injected with 0.1-, 0.3-, 1.0-, and 3.0-mmol/kg doses of gadoversetamide; 1.0-mmol/kg doses of gadodiamide, gadop...

journal_title：Radiology

authors： Wible JH Jr,Hynes MR

更新日期：2004-10-01 00:00:00

abstract：:Management of advanced or recurrent primary tracheal neoplasms has been restricted to palliative external beam irradiation. A patient with recurrent adenoid cystic carcinoma of the trachea was recently treated again by combined external irradiation and endotracheal brachytherapy with iridium 192 sources; the results w...

journal_title：Radiology

authors： Percarpio B,Price JC,Murphy P

更新日期：1978-07-01 00:00:00

abstract：:Perfusion computed tomography (CT) is a relatively new technique that allows rapid qualitative and quantitative evaluation of cerebral perfusion by generating maps of cerebral blood flow (CBF), cerebral blood volume (CBV), and mean transit time (MTT). The technique is based on the central volume principle (CBF = CBV/M...

journal_title：Radiology

authors： Hoeffner EG,Case I,Jain R,Gujar SK,Shah GV,Deveikis JP,Carlos RC,Thompson BG,Harrigan MR,Mukherji SK

更新日期：2004-06-01 00:00:00

abstract：:With echo-planar magnetic resonance (MR) imaging, the authors measured the intrinsic pulsatile motion of brain parenchyma. Phase-sensitive, electrocardiography-gated, two-dimensional cine images were acquired throughout the cardiac cycle by using a spin-echo, blipped echo-planar MR pulse sequence. Transverse and coron...

journal_title：Radiology

authors： Poncelet BP,Wedeen VJ,Weisskoff RM,Cohen MS

更新日期：1992-12-01 00:00:00

abstract：:A 20-MHz intravascular ultrasound (US) transducer inside a percutaneously inserted catheter was used to evaluate inferior vena caval (IVC) filters for thrombi in vitro and in vivo. Six different IVC filters were studied with intravascular US in a saline-filled model. Each filter had a characteristic, recognizable US p...

journal_title：Radiology

authors： McCowan TC,Ferris EJ,Carver DK

更新日期：1990-12-01 00:00:00

abstract：:Fine needle, percutaneous aspiration of suspect lymph nodes was carried out in 29 patients during fluoroscopy. The correct positioning of the needle was assured if the node moved with the tip of the needle. In 29 patients, there were 65 successful aspirations and 29 failures. Anesthesia is recommended but care should ...

journal_title：Radiology

authors： Göthlin JH

更新日期：1976-07-01 00:00:00

abstract：:A method by which the tissue parameters - T1, T2, and proton density - can be measured simultaneously was used in 160 patients with brain tumors to test the complete potential of magnetic resonance (MR) imaging for quantitative tissue characterization. MR tissue parameters of a wide variety of tumors, edema, white mat...

journal_title：Radiology

authors： Just M,Thelen M

更新日期：1988-12-01 00:00:00