Liver size evaluated by ultrasound: ROC curves for hepatitis and alcoholism.

abstract：:The feasibility of using focused ultrasound for studying structures as small as biliary ducts and correlative radiological and ultrasonic studies of the common and larger hepatic ducts are presented. Patients whose bile ducts were visualized on intravenous or T-tube cholangiography or oral cholecystography underwent r...

journal_title：Radiology

authors： Reid MH

更新日期：1976-01-01 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：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：PURPOSE:To examine the cost and efficacy of diagnostic work-up in patients with invasive cervical cancer. MATERIALS AND METHODS:In 246 patients with invasive cervical cancer, all diagnostic tests performed before treatment were recorded. Patients were divided into two groups: those who underwent magnetic resonance (MR...

journal_title：Radiology

authors： Hricak H,Powell CB,Yu KK,Washington E,Subak LL,Stern JL,Cisternas MG,Arenson RL

更新日期：1996-02-01 00:00:00

abstract：:The results of treatment for recurrent cancer at the tracheal stoma have been poor. From 1971 to 1976, elective postoperative irradiation of the neck was given to 26 high-risk patients with carcinoma of the larynx and hypopharynx. None of the 22 patients whose stomas were irradiated developed stomal or peristomal recu...

journal_title：Radiology

authors： Tong D,Moss WT,Stevens KR Jr

更新日期：1977-09-01 00:00:00

abstract：PURPOSE:To compare radiologists' diagnostic accuracy and recall rates for breast tomosynthesis combined with digital mammography versus digital mammography alone. MATERIALS AND METHODS:Institutional review board approval was obtained at each accruing institution. Participating women gave written informed consent. Medi...

journal_title：Radiology

authors： Rafferty EA,Park JM,Philpotts LE,Poplack SP,Sumkin JH,Halpern EF,Niklason LT

更新日期：2013-01-01 00:00:00

abstract：PURPOSE:To assess the optimal timing for coronary magnetic resonance (MR) angiography in children with congenital heart disease by using dual cardiac phase whole-heart MR imaging. MATERIALS AND METHODS:The local institutional review board approved this study, and informed consent was obtained from parents or guardians...

journal_title：Radiology

authors： Uribe S,Hussain T,Valverde I,Tejos C,Irarrazaval P,Fava M,Beerbaum P,Botnar RM,Razavi R,Schaeffter T,Greil GF

更新日期：2011-07-01 00:00:00

abstract：:Magnetic resonance images of cranial bone marrow in 238 patients (246 examinations) less than 25 years old were reviewed to establish normal age-related standards. Bone marrow in the clivus and calvaria had uniformly low signal intensity (grade 1) on T1-weighted images in most infants less than 1 year old. The number ...

journal_title：Radiology

authors： Okada Y,Aoki S,Barkovich AJ,Nishimura K,Norman D,Kjos BO,Brasch RC

更新日期：1989-04-01 00:00:00

abstract：:Various whole-body, multiple-field, electron-beam therapy techniques are analyzed. Accelerator characteristics, various dosimetric techniques, and experimental setup are described. A flattening filter was constructed which produced an uncollimated electron-beam profile (4 MeV) with a uniformity of +/- 8% across a 200-...

journal_title：Radiology

authors： Tetenes PJ,Goodwin PN

更新日期：1977-01-01 00:00:00

abstract：:Magnetic resonance (MR) imaging of the temporomandibular joint was performed in two subjects using a 1.5 T experimental imaging system equipped with a 6.5 cm surface coil antenna. Normal and pathologic anatomy were demonstrated with exquisite detail. Anterior displacement of the joint meniscus was clearly visible in t...

journal_title：Radiology

authors： Roberts D,Schenck J,Joseph P,Foster T,Hart H,Pettigrew J,Kundel HL,Edelstein W,Haber B

更新日期：1985-03-01 00:00:00

abstract：:Renal artery stenosis in 201 patients with hypertension was treated with percutaneous transluminal renal angioplasty (PTRA). A total of 213 procedures were performed as treatment of 262 separate stenosis. The stenosis was caused by atherosclerosis in 134 cases and by fibromuscular dysplasia (FMD) in 52 cases; the caus...

journal_title：Radiology

authors： Klinge J,Mali WP,Puijlaert CB,Geyskes GG,Becking WB,Feldberg MA

更新日期：1989-05-01 00:00:00

abstract：:Internal contamination by 131I among the personnel in a nuclear medicine laboratory was surveyed from January to July, 1979. Because of the formulation change made by the manufacturer in April to reduce volatility, it was possible to study two different therapeutic solutions of 131I. Internal contamination of personne...

journal_title：Radiology

authors： Nishiyama H,Lukes SJ,Mayfield G,Grossman LW

更新日期：1980-12-01 00:00:00

abstract：PURPOSE:To prospectively develop and evaluate the accuracy of a duplex Doppler ultrasonographic (US) index for predicting the presence or absence of esophageal varices in patients with compensated cirrhosis (Child-Pugh class A) by using endoscopy as the reference standard. MATERIALS AND METHODS:The study had instituti...

journal_title：Radiology

authors： Liu CH,Hsu SJ,Liang CC,Tsai FC,Lin JW,Liu CJ,Yang PM,Lai MY,Chen PJ,Chen JH,Kao JH,Chen DS

更新日期：2008-07-01 00:00:00

abstract：PURPOSE:To investigate the effect of a meal on splanchnic circulation in patients with cirrhosis of the liver. MATERIALS AND METHODS:Ten adult patients with cirrhosis and 10 adult control subjects (mean age, 54 years) underwent duplex ultrasonography. Flow volumes of the portal vein, superior mesenteric artery, spleni...

journal_title：Radiology

authors： Iwao T,Toyonaga A,Oho K,Sakai T,Tayama C,Masumoto H,Sato M,Nakahara K,Tanikawa K

更新日期：1996-12-01 00:00:00

abstract：:The papillary process of the caudate lobe of the liver may appear separate from the liver and thus mimic lymph nodes or a pancreatic mass. In order to evaluate the sonographic appearance of this anatomic structure, 400 male and female patients with a mean age of 50 years were studied prospectively by means of ultrasou...

journal_title：Radiology

authors： Donoso L,Martínez-Noguera A,Zidan A,Lora F

更新日期：1989-12-01 00:00:00

abstract：:Ioglucomide, a new iodinated nonionic contrast medium directed primarily toward myelographic use, was subjected to an extensive toxicological examination in animals. In the majority of studies, ioglucomide was compared directly with metrizamide. In some respects, including freedom from production of arachnoiditis, iog...

journal_title：Radiology

authors： Hopkins RM,Adams MD,Lau DH,Creighton JM,Hoey GB

更新日期：1981-09-01 00:00:00

abstract：:The authors designed and built an overlapping surface coil assembly for magnetic resonance imaging of the spine. A small and a large coil are included, and use of one can be switched to the other without need for patient repositioning. The images are not degraded, and screening studies can immediately be followed by d...

journal_title：Radiology

authors： Arakawa M,Krasnor S,Fehn J,McCarten B,Kaufman L

更新日期：1987-09-01 00:00:00

abstract：:In order to evaluate the efficacy of bedside chest radiography, a prospective study was completed of 140 patients admitted to the surgical and medical intensive care units over a two-month period. A total of 1132 consecutive bedside radiographs was analyzed for malposition of tubes and lines and interval changes in th...

journal_title：Radiology

authors： Henschke CI,Pasternack GS,Schroeder S,Hart KK,Herman PG

更新日期：1983-10-01 00:00:00

abstract：:Three-dimensional computed tomography (CT) has an important role in determining the presence and extent of congenital and acquired craniofacial deformities. The authors compared the sensitivity and specificity of three-dimensional CT in the detection and characterization of craniosynostosis with that of planar CT and ...

journal_title：Radiology

authors： Vannier MW,Hildebolt CF,Marsh JL,Pilgram TK,McAlister WH,Shackelford GD,Offutt CJ,Knapp RH

更新日期：1989-12-01 00:00:00

abstract：:Radiographic and bone mineral (BM) data were collected over a three-year period on 195 patients with chronic renal failure. Most women maintained BM on dyalysis, whereas 44% of the men lost BM (p less than 0.05). Following transplantation, 86% of the patients either maintained or restored BM. After parathyroidectomy, ...

journal_title：Radiology

authors： Griffiths HJ,Zimmerman RE,Lazarus M,Lowrie E,Gottlieb MN,Phillips E,Pomerantz K

更新日期：1977-03-01 00:00:00

abstract：PURPOSE:To investigate whether smoking has an effect on recurrent lumen narrowing after percutaneous transluminal angioplasty (PTA) or stent placement in lower-limb arteries. MATERIALS AND METHODS:A total of 650 patients (median age, 70 years; 389 men) with peripheral artery disease who underwent iliac artery PTA (n =...

journal_title：Radiology

authors： Schillinger M,Exner M,Mlekusch W,Haumer M,Sabeti S,Ahmadi R,Wagner O,Minar E

更新日期：2004-06-01 00:00:00

abstract：:A previously healthy man had a carcinoid tumor that caused obstruction and dilatation of the appendiceal lumen, with subsequent inflammation of the appendix. He had acute pain in the lower right abdomen, loss of appetite, constipation, pyrexia, and an increased erythrocyte sedimentation rate without leukocytosis. Alth...

journal_title：Radiology

authors： Hermans JJ,Hermans AL,Risseeuw GA,Verhaar JC,Meradji M

更新日期：1993-07-01 00:00:00

abstract：:Twelve patients with symptoms of acute cholecystitis underwent heavily T2-weighted and mangafodipir trisodium-enhanced T1-weighted magnetic resonance (MR) cholangiography and cholescintigraphy before they underwent cholecystectomy. On T2-weighted MR cholangiographic images, morphologic evidence of outflow obstruction ...

journal_title：Radiology

authors： Kim KW,Park MS,Yu JS,Chung JP,Ryu YH,Lee SI,Lee KS,Yoon SW,Lee KH

更新日期：2003-05-01 00:00:00

abstract：PURPOSE:To evaluate the potential use of technetium 99m (99mTc) (V) dimercaptosuccinic acid (DMSA) scintigraphy in the detection and localization of intestinal inflammation. MATERIALS AND METHODS:In a prospective study, 62 patients who were suspected of having intestinal inflammation and 30 control subjects were enrol...

journal_title：Radiology

authors： Lee BF,Chiu NT,Wu DC,Tsai KB,Liu GC,Yu HS,Wang ST

更新日期：2001-08-01 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 retrospectively evaluate the long-term results of radiofrequency (RF) ablation combined with chemoembolization (combination therapy) as compared with hepatectomy for the treatment of early-stage hepatocellular carcinoma (HCC). MATERIALS AND METHODS:The study was approved by the institutional review board, a...

journal_title：Radiology

authors： Yamakado K,Nakatsuka A,Takaki H,Yokoi H,Usui M,Sakurai H,Isaji S,Shiraki K,Fuke H,Uemoto S,Takeda K

更新日期：2008-04-01 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：:To visualize the flow of cerebrospinal fluid (CSF) throughout the ventricles and subarachnoid space, measure mean and maximum CSF velocities, and quantitate CSF flow through the aqueduct of Sylvius, magnetic resonance (MR) imaging was performed with a sagittal technique that is flow-sensitive in the craniocaudal direc...

journal_title：Radiology

authors： Nitz WR,Bradley WG Jr,Watanabe AS,Lee RR,Burgoyne B,O'Sullivan RM,Herbst MD

更新日期：1992-05-01 00:00:00

abstract：PURPOSE:To evaluate the accuracy of transvaginal ultrasound (US) and gadolinium-enhanced magnetic resonance (MR) imaging in the assessment of the intratumoral structure of an adnexal mass. MATERIALS AND METHODS:The population comprised 82 patients with an adnexal mass who underwent both transvaginal US and gadolinium-...

journal_title：Radiology

authors： Komatsu T,Konishi I,Mandai M,Togashi K,Kawakami S,Konishi J,Mori T

更新日期：1996-01-01 00:00:00

abstract：:The purpose of this study was to develop an automated scheme to facilitate detection of localized ground-glass opacity (GGO) in the lung at computed tomography (CT). Institutional review board approval and informed consent were not required. Two radiologists reviewed CT images from 14 patients (five men, nine women) w...

journal_title：Radiology

authors： Kim KG,Goo JM,Kim JH,Lee HJ,Min BG,Bae KT,Im JG

更新日期：2005-11-01 00:00:00