Noninvasive imaging of coronary arteries: current and future role of multi-detector row CT.

abstract：PURPOSE:To assess the value of resistive index (RI) and systolic acceleration time (SAT) for diagnosis of stenoses and thromboses of the hepatic artery in liver transplant recipients. MATERIALS AND METHODS:Doppler sonograms and angiograms in 125 liver transplant recipients were correlated and analyzed for any statisti...

journal_title：Radiology

authors： Dodd GD 3rd,Memel DS,Zajko AB,Baron RL,Santaguida LA

更新日期：1994-09-01 00:00:00

abstract：:The techniques and results of percutaneous transluminal angioplasty (TPA) of the renal arteries were evaluated in 20 hypertensive patients with 25 renal artery stenoses. Follow-up angiograms have been obtained in nine patients. Many patients had evidence of both essential and angiotensinogenic hypertension. Eleven pat...

journal_title：Radiology

authors： Tegtmeyer CJ,Dyer R,Teates CD,Ayers CR,Carey RM,Wellons HA Jr,Stanton LW

更新日期：1980-06-01 00:00:00

abstract：:The specificity of the intraarticular facet block as a diagnostic test for facet joint disease is currently unknown. Capsular rupture with epidural and periarticular diffusion is probably responsible for many false positive findings. We found a comparatively low success rate of the procedure in 25 patients in whom max...

journal_title：Radiology

authors： Raymond J,Dumas JM

更新日期：1984-05-01 00:00:00

abstract：:Seven patients with lung tumors underwent percutaneous implantation of iodine-125 sources into the tumor. Needle placement and seed implantation were effected with biplane fluoroscopy and a computer planning model based on computed tomography. No complications were encountered. Five of the seven patients underwent the...

journal_title：Radiology

authors： Heelan RT,Hilaris BS,Anderson LL,Nori D,Martini N,Watson RC,Caravelli JF,Linares LA

更新日期：1987-09-01 00:00:00

abstract：PURPOSE:To assess the benefit of adding diffusion-weighted (DW) imaging to gadoxetic acid-enhanced magnetic resonance (MR) imaging and MR cholangiopancreatography in the preoperative evaluation of hilar cholangiocarcinoma. MATERIALS AND METHODS:The institutional review board approved this retrospective study and waive...

journal_title：Radiology

authors： Park MJ,Kim YK,Lim S,Rhim H,Lee WJ

更新日期：2014-03-01 00:00:00

abstract：:After institutional review board approval, informed consent was obtained from six patients (four men and two women, aged 47-74 years) with a total of six tumors of the liver dome. These patients were treated by means of radiofrequency (RF) ablation with computed tomographic (CT) guidance and a transthoracic approach. ...

journal_title：Radiology

authors： de Baère T,Dromain C,Lapeyre M,Briggs P,Duret JS,Hakime A,Boige V,Ducreux M

更新日期：2005-08-01 00:00:00

abstract：PURPOSE:To develop a semiquantitative magnetic resonance (MR) imaging bone marrow burden (BMB) score with inclusion of both axial and peripheral bone marrow in Gaucher disease as an alternative to MR imaging with the Dixon quantitative chemical shift imaging (QCSI) technique. MATERIALS AND METHODS:Two experienced musc...

journal_title：Radiology

authors： Maas M,van Kuijk C,Stoker J,Hollak CE,Akkerman EM,Aerts JF,den Heeten GJ

更新日期：2003-11-01 00:00:00

abstract：PURPOSE:To determine the role of ultrasonography (US) with supplemental computed tomography (CT) in patients with primary hyperparathyroidism who undergo minimally invasive surgery instead of conventional neck exploration. MATERIALS AND METHODS:US and CT were performed in 61 consecutive patients with primary hyperpara...

journal_title：Radiology

authors： van Dalen A,Smit CP,van Vroonhoven TJ,Burger H,de Lange EE

更新日期：2001-09-01 00:00:00

abstract：PURPOSE:To describe the diaphragm muscle slip sign, a previously unreported finding of pneumoperitoneum on plain radiographs. MATERIALS AND METHODS:Diaphragmatic muscle slips were observed on supine plain abdominal (n = 6) or recumbent frontal chest (n = 3) radiographs in nine patients. Computed tomographic (CT) confi...

journal_title：Radiology

authors： Cho KC,Baker SR

更新日期：1997-05-01 00:00:00

abstract：:An overview of current air-contrast stomach examination techniques is offered: (a) Hampton's technique which does not use distension; (b) the Japanese method which utilizes the relaxant drug Buscopan, good distension, and much patient rotation; (c) a third method in which no drugs are used but more distension is obtai...

journal_title：Radiology

authors： Miller RE

更新日期：1975-12-01 00:00:00

abstract：:Between the portal vein and the inferior vena cava lies a small space that may be occupied by multiple anatomic structures including the caudate and papillary processes of the caudate lobe of the liver, portacaval lymph nodes, replaced or accessory right hepatic arteries, posterosuperior pancreaticoduodenal vessels, t...

journal_title：Radiology

authors： Zirinsky K,Auh YH,Rubenstein WA,Kneeland JB,Whalen JP,Kazam E

更新日期：1985-08-01 00:00:00

abstract：PURPOSE:To determine the computed tomographic (CT) appearance of the normal modiolus and the pathologic alteration in patients with a large vestibular aqueduct and an otherwise normal-appearing cochlea. MATERIALS AND METHODS:Temporal bone CT studies obtained before and after a major upgrade of CT capability in 1992 we...

journal_title：Radiology

authors： Lemmerling MM,Mancuso AA,Antonelli PJ,Kubilis PS

更新日期：1997-07-01 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：:Sixteen patients with cirrhosis of the liver underwent cranial magnetic resonance (MR) imaging and transarterial portography to evaluate the relationship between basal ganglia lesions and portal-systemic collateral vessels. No neuropsychiatric disturbance was observed in any of the patients at the time of the MR exami...

journal_title：Radiology

authors： Inoue E,Hori S,Narumi Y,Fujita M,Kuriyama K,Kadota T,Kuroda C

更新日期：1991-05-01 00:00:00

abstract：:A survey of the members of the Society for Pediatric Radiology indicates that currently the majority of pediatric radiologists do not perform or interpret examinations using radionuclides, ultrasound, or computed tomography (CT). A decisive factor determining involvement with these techniques is the type of institutio...

journal_title：Radiology

authors： Leonidas JC,McCauley RG,Faerber EN

更新日期：1981-01-01 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：:Background Available methods to quantify regional dynamic thoracic function in thoracic insufficiency syndrome (TIS) are limited. Purpose To evaluate the use of quantitative dynamic MRI to depict changes in regional dynamic thoracic function before and after surgical correction of TIS. Materials and Methods Images fro...

journal_title：Radiology

authors： Tong Y,Udupa JK,McDonough JM,Wileyto EP,Capraro A,Wu C,Ho S,Galagedera N,Talwar D,Mayer OH,Torigian DA,Campbell RM

更新日期：2019-07-01 00:00:00

abstract：:In obese individuals, a localized deposit of normal fat may simulate a mediastinal tumor on chest radiography. It is important to consider this possibility in the differential diagnosis to avoid needless surgery and facilitate continued observation when appropriate. ...

journal_title：Radiology

authors： Steckel RJ

更新日期：1976-04-01 00:00:00

abstract：:Histories, physical examinations and 99mTc-pertechnetate imaging were used to evaluate 1,452 persons who had had x-ray therapy to the neck region for benign conditions 18 to 35 years previously. Thyroid abnormalities were found in 301 patients (21%) and thyroid malignancy was found in 29% of 193 patients with abnormal...

journal_title：Radiology

authors： Arnold J,Pinsky S,Ryo UY,Frohman L,Schneider A,Favus M,Stachura M,Arnold M,Colman M

更新日期：1975-06-01 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

abstract：:Background Assessment of femoral torsion at preoperative hip imaging is commonly recommended. However, it is unclear whether MRI is as accurate as CT and how different methods affect femoral torsion measurements. Purpose To compare MRI- and CT-based assessment of femoral torsion by using four commonly used measurement...

journal_title：Radiology

authors： Schmaranzer F,Kallini JR,Miller PE,Kim YJ,Bixby SD,Novais EN

更新日期：2020-08-01 00:00:00

abstract：:The angiographic differentiation of an intrinsic exophytic brainstem glioma from an extra-axial posterior fossa tumor is not always easy. The location of the basilar artery alone may not be significant. Displacement of the anterior pontomesencephalic vein anterior to the basilar artery appears to be a reliable indicat...

journal_title：Radiology

authors： Sarwar M,Bafnitzky S,Schechter MM

更新日期：1977-08-01 00:00:00

abstract：:Bronchial webs are rare lesions which often go unrecognized. The authors describe a patient who presented with right-lower-lobe bronchiectasis and at-electasis secondary to a web in the right-lower-lobe bronchus. This is the first known instance where such a lesion has been demonstrated by bronchography. The etiology ...

journal_title：Radiology

authors： Patronas NJ,MacMahon H,Variakojis D

更新日期：1976-12-01 00:00:00

abstract：PURPOSE:To compare the performance of magnetic resonance (MR) imaging after the administration of superparamagnetic iron oxide (SPIO) and dual-phase computed tomography (CT) in the depiction of liver metastases. MATERIALS AND METHODS:Fifty-one hepatic resection candidates with known colorectal metastases were examined...

journal_title：Radiology

authors： Ward J,Naik KS,Guthrie JA,Wilson D,Robinson PJ

更新日期：1999-02-01 00:00:00

abstract：:The incidental radiation dose of lithium fluoride thermoluminescence dosimeters was recorded during 15 treatments of patients with auricular keloids. Two half-value layers were used, and the results were compared. In both instances, the homolateral lens and thyroid received twice the contralateral dose. The oropharynx...

journal_title：Radiology

authors： Fitzgerald RH Jr,Tuten TU,Fenn JO

更新日期：1982-08-01 00:00:00

abstract：PURPOSE:To assess the effect of commonly used computed tomographic (CT) section thicknesses on metastatic tumor measurements calculated with unidimensional, bidimensional, area, and volumetric methods. MATERIALS AND METHODS:Analysis and data collection were approved by the Institutional Review Board, with waived infor...

journal_title：Radiology

authors： Zhao B,Schwartz LH,Moskowitz CS,Wang L,Ginsberg MS,Cooper CA,Jiang L,Kalaigian JP

更新日期：2005-03-01 00:00:00

abstract：:Percutaneous transaxillary selective coronary arteriography using preshaped catheters is useful in patients who have had aorto-iliac surgery or have clinical evidence of occlusive arterial disease of the lower extremities. For safety and ease of performance it compares favorably with the percutaneous transfemoral meth...

journal_title：Radiology

authors： Brown OL

更新日期：1975-03-01 00:00:00

abstract：:Calcifications located in the dermis of the breast may appear indistinguishable from intramammary calcifications. The authors present a sign, called the tattoo sign, that can help radiologists identify dermal calcifications. When mammograms are compared, calcifications that maintain a fixed relationship to each other ...

journal_title：Radiology

authors： Homer MJ,D'Orsi CJ,Sitzman SB

更新日期：1994-07-01 00:00:00

abstract：PURPOSE:To determine if three-dimensional (3D) ultrasonography (US) improves the ability to define the location and extent of facial clefting prenatally compared with two-dimensional (2D) US. MATERIALS AND METHODS:Thirty-one fetuses suspected of having a facial cleft were examined prospectively with 2D and 3D US. Foll...

journal_title：Radiology

authors： Johnson DD,Pretorius DH,Budorick NE,Jones MC,Lou KV,James GM,Nelson TR

更新日期：2000-10-01 00:00:00

abstract：PURPOSE:To evaluate the diagnostic performance of contrast material-enhanced magnetic resonance (MR) angiography for preoperative detection and localization of accessory pudendal arteries (APAs) in patients with prostate cancer. MATERIALS AND METHODS:This prospective study was approved by the institutional review boar...

journal_title：Radiology

authors： Whang SY,Sung DJ,Lee SA,Park BJ,Kim MJ,Cho SB,Kim YH,Cheon J

更新日期：2012-03-01 00:00:00