Relationship of osteophytes to bone mineral density and spinal fracture in men.

abstract：:Prototype electronic workstations incorporated in networks linking computed tomographic (CT) and magnetic resonance imaging systems are being developed. The authors compared observer efficiency and sensitivity in reading body CT studies from a two-screen workstation (1,000-line monitors and 12-bit dynamic range in ima...

journal_title：Radiology

authors： Foley WD,Jacobson DR,Taylor AJ,Goodman LR,Stewart ET,Gurney JW,Stroka D

更新日期：1990-03-01 00:00:00

abstract：:Ninety malignant hepatic neoplasms were studied by gray scale ultrasound. Four different ultrasonic patterns were observed: (a) discrete, relatively echo-free masses; (b) discrete, relatively echogenic masses; (c) totally echo-free masses; and (d) a diffuse alteration of echo architecture without discrete masses. Ther...

journal_title：Radiology

authors： Green B,Bree RL,Goldstein HM,Stanley C

更新日期：1977-07-01 00:00:00

abstract：:A double-blind clinical trial was performed in 1,000 consecutive patients to compare the safety and efficacy of intravenously administered nonionic (iohexol) and ionic (metrizoate) urographic contrast media. The patients ranged in age from 10 to 80 years. The incidence of mild to moderate adverse effects was 7.7% with...

journal_title：Radiology

authors： Jacobsson BF,Jorulf H,Kalantar MS,Narasimham DL

更新日期：1988-06-01 00:00:00

abstract：PURPOSE:To compare open-magnet magnetic resonance (MR) imaging performed with the patient sitting with dynamic closed-magnet MR imaging of the pelvic floor performed with the patient supine. MATERIALS AND METHODS:Thirty-eight patients underwent dynamic 1.5-T closed-magnet pelvic floor MR imaging while in the supine po...

journal_title：Radiology

authors： Bertschinger KM,Hetzer FH,Roos JE,Treiber K,Marincek B,Hilfiker PR

更新日期：2002-05-01 00:00:00

abstract：:Twenty-nine subjects with occupational asbestos exposure and clinical asbestosis were examined with high-resolution computed tomography (HRCT) to determine its sensitivity, relative to that of conventional computed tomography (CT), for detection of benign asbestos-related disease. Thin-section HRCT scans were obtained...

journal_title：Radiology

authors： Aberle DR,Gamsu G,Ray CS,Feuerstein IM

更新日期：1988-03-01 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 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：:Purpose To compare long-term graft and patient survival after percutaneous angioplasty (PTA) or stent placement for transplant renal artery stenosis (TRAS) with a control cohort without TRAS. Materials and Methods This is a retrospective matched cohort study of 41 patients (median age, 49 years; range, 18-72 years), i...

journal_title：Radiology

authors： Patel U,Kumar S,Johnson OW,Jeon JH,Das R

更新日期：2019-02-01 00:00:00

abstract：:Purpose To examine whether cardiac chemical exchange saturation transfer (CEST) imaging can be serially and noninvasively used to probe cell survival or rejection after intramyocardial implantation in mice. Materials and Methods Experiments were compliant with the National Institutes of Health Guidelines on the Use of...

journal_title：Radiology

authors： Pumphrey AL,Ye S,Yang Z,Simkin J,Gensel JC,Abdel-Latif A,Vandsburger MH

更新日期：2017-01-01 00:00:00

abstract：:Radiologically characteristic extra-alveolar air collections in one or both inferior pulmonary ligaments developed in 14 neonates with respiratory distress on assisted ventilation. Eleven infants had radiographically visible pulmonary interstitial emphysema prior to or concurrent with the air collections. All infants ...

journal_title：Radiology

authors： Volberg FM Jr,Everett CJ,Brill PW

更新日期：1979-02-01 00:00:00

abstract：PURPOSE:To investigate neuronal activations during processing of radiologic and nonradiologic images by experienced radiologists and nonradiologist subjects by using event-related functional magnetic resonance (MR) imaging. MATERIALS AND METHODS:Study was approved by local ethics committee, and informed consent was ob...

journal_title：Radiology

authors： Haller S,Radue EW

更新日期：2005-09-01 00:00:00

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：: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：: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：:This case series describes the radiologic appearances of gynecomastoid hyperplasia of the breast in our experience. The clinical histories, breast images, and histopathologic findings in six women were reviewed. At mammography, there was no abnormality in two women, an enlarging asymmetric density in three women, and ...

journal_title：Radiology

authors： Selland DL,Korbin CD,Lester SC,Lerner MH,Gulizia JA,Kaelin CM,Meyer JE

更新日期：2000-02-01 00:00:00

abstract：:A simple device is described that can reduce personnel exposure from scatter radiation by up to 75%. The device consists of an oblong piece of shielding (0.75-mm lead equivalent) that is taped to the side of the patient during percutaneous renal stone removal and other interventional procedures. Contrary to other shie...

journal_title：Radiology

authors： Young AT,Morin RL,Hunter DW,Nelson KL,Cardella JF,Castaneda-Zuniga WR,Amplatz K

更新日期：1986-06-01 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 clarify the angiographic findings of the posterior circulation in patients with moyamoya disease. MATERIALS AND METHODS:Seventy-six patients with idiopathic moyamoya disease were studied with conventional angiography. The angiographic findings were reviewed for steno-occlusive lesions, collateral vessels, a...

journal_title：Radiology

authors： Yamada I,Himeno Y,Suzuki S,Matsushima Y

更新日期：1995-10-01 00:00:00

abstract：PURPOSE:To evaluate whether exposure to strong static magnetic fields (SMFs), of up to 10 T, affects the growth and cycle distribution of and the micronucleus formation in monolayered Chinese hamster ovary CHO-K1 cells. MATERIALS AND METHODS:The authors developed a system to expose cultured cells to strong SMFs immedi...

journal_title：Radiology

authors： Nakahara T,Yaguchi H,Yoshida M,Miyakoshi J

更新日期：2002-09-01 00:00:00

abstract：:Background Thermal ablation of cancers may be associated with high rates of local tumor progression. A thermal accelerant gel has been developed to improve the transmission of microwave energy in biologic tissues with the aim of enlarging the thermal ablation zone. Purpose To determine the effects of a thermal acceler...

journal_title：Radiology

authors： Maxwell AWP,Park WKC,Baird GL,Martin DW,Lombardo KA,Dupuy DE

更新日期：2019-05-01 00:00:00

abstract：:Online supplemental material is available for this article. ...

journal_title：Radiology

authors： Menon BK,Goyal M

更新日期：2015-10-01 00:00:00

abstract：PURPOSE:To assess magnetic resonance (MR) imaging of the right atrium by measuring volumes of right atrial casts and determining right atrial volume cycles in healthy subjects. MATERIALS AND METHODS:Fourteen human cadaveric atrial casts were imaged and right atrial volumes of eight subjects were measured with cardiac-...

journal_title：Radiology

authors： Järvinen VM,Kupari MM,Hekali PE,Poutanen VP

更新日期：1994-04-01 00:00:00

abstract：:To determine whether gadodiamide injection can provide sufficient enhancement on both T1- and T2-weighted spin-echo magnetic resonance (MR) images of the heart and skeletal muscles, anesthetized rats were divided into five groups. Groups 1-3 received 0.1 (n = 9), 0.3 (n = 8), or 0.5 (n = 8) mmol/kg gadodiamide injecti...

journal_title：Radiology

authors： Saeed M,Wendland MF,Masui T,Yu KK,Li JJ,Derugin N,Higgins CB

更新日期：1993-01-01 00:00:00

abstract：PURPOSE:To assess the accuracy of three-dimensional, Fourier transform, time-of-flight magnetic resonance (MR) angiography in the detection of intracranial steno-occlusive diseases. MATERIALS AND METHODS:One hundred thirty-one patients (62 male and 69 female patients, aged 6-77 years [mean, 53 years 8 months]) underwe...

journal_title：Radiology

authors： Korogi Y,Takahashi M,Mabuchi N,Miki H,Shiga H,Watabe T,O'Uchi T,Nakagawa T,Horikawa Y,Fujiwara S

更新日期：1994-10-01 00:00:00

abstract：PURPOSE:To prospectively assess the oxygenation state of renal transplants and determine the feasibility of using blood oxygen level-dependent (BOLD) magnetic resonance (MR) imaging to differentiate between acute tubular necrosis (ATN), acute rejection, and normal function. MATERIALS AND METHODS:This HIPAA-compliant s...

journal_title：Radiology

authors： Sadowski EA,Fain SB,Alford SK,Korosec FR,Fine J,Muehrer R,Djamali A,Hofmann RM,Becker BN,Grist TM

更新日期：2005-09-01 00:00:00

abstract：:Fifty-four endoscopically missed colonic polypoid lesions reveal the limitations of colonic endoscopy. Colonoscopy failed to identify 31 of the lesions, whereas 24 lesions were initially missed by proctosigmoidoscopy. One polypoid tumor of the rectosigmoid junction was missed by both. Most undetected lesions ranged fr...

journal_title：Radiology

authors： Miller RE,Lehman G

更新日期：1978-11-01 00:00:00

abstract：PURPOSE:To determine whether the carpal lunotriquetral ligament (LTL) can be consistently seen and to establish the normal range of LTL appearances at magnetic resonance (MR) imaging as a basis for comparison with LTL tears. MATERIALS AND METHODS:MR imaging was used to identify and characterize the LTL in 75 wrists wi...

journal_title：Radiology

authors： Smith DK,Snearly WN

更新日期：1994-04-01 00:00:00

abstract：PURPOSE:To evaluate use of transcervical recanalization in patients with reocclusion of the proximal fallopian tube after failed surgery to reverse sterilization or failed tuboplasty to treat inflammatory disease. MATERIALS AND METHODS:The standard technique for transcervical recanalization was attempted in seven pati...

journal_title：Radiology

authors： Lang EK,Dunaway HH

更新日期：1994-05-01 00:00:00

abstract：:Image compression is essential to handle a large volume of digital images, including computed tomographic, magnetic resonance, computed radiographic, and digitized images in a digital radiology operation. Developed during the past few years, full-frame bit allocation performed with the cosine transform technique has b...

journal_title：Radiology

authors： Sayre JW,Ho BK,Boechat MI,Hall TR,Huang HK

更新日期：1992-11-01 00:00:00

abstract：PURPOSE:To assess emergency ultrasonography (US) for detection of bowel and mesenteric injury from blunt trauma. MATERIALS AND METHODS:For 3 years, prospective data on all patients undergoing emergency US were recorded. Patients with bowel and mesenteric injury were identified, and physical examination, laboratory, co...

journal_title：Radiology

authors： Richards JR,McGahan JP,Simpson JL,Tabar P

更新日期：1999-05-01 00:00:00