Intracranial hemorrhage: gradient-echo MR imaging at 1.5 T. Comparison with spin-echo imaging and clinical applications.

abstract：PURPOSE:To evaluate magnetic resonance (MR) hydrometry, a method of quantifying fluid amounts by using MR imaging, for assessing the exocrine function of the pancreas after stimulation with secretin. MATERIALS AND METHODS:Images were obtained with a single-shot turbo spin-echo sequence by using a 1.0-T magnet with a q...

journal_title：Radiology

authors： Heverhagen JT,Müller D,Battmann A,Ishaque N,Boehm D,Katschinski M,Wagner HJ,Klose KJ

更新日期：2001-01-01 00:00:00

abstract：PURPOSE:To measure scanner and patient variation in computed tomographic (CT) numbers for electron-beam CT and to determine the ability of calibration phantoms to reduce variability in calcium quantitation. MATERIALS AND METHODS:Two calibration phantoms were imaged to ensure longitudinal homogeneity and to determine t...

journal_title：Radiology

authors： McCollough CH,Kaufmann RB,Cameron BM,Katz DJ,Sheedy PF 2nd,Peyser PA

更新日期：1995-07-01 00:00:00

abstract：PURPOSE:To estimate the fraction of moving blood in tissue with power Doppler ultrasound (US). MATERIALS AND METHODS:Power Doppler US measurements of moving scatterers in a flow tube were made as a function of successive dilutions of the perfusate. Measurements were normalized relative to the maximum Doppler power in ...

journal_title：Radiology

authors： Rubin JM,Adler RS,Fowlkes JB,Spratt S,Pallister JE,Chen JF,Carson PL

更新日期：1995-10-01 00:00:00

abstract：:A technique to perform a liver biopsy through the femoral vein with the Mansfield biopsy forceps is described. Nine liver biopsy procedures were performed in seven patients who were considered at high risk of bleeding, precluding a conventional transperitoneal biopsy. The technique is an easy, safe, and well-tolerated...

journal_title：Radiology

authors： Mewissen MW,Lipchik EO,Schreiber ER,Varma RR

更新日期：1988-12-01 00:00:00

abstract：PURPOSE:To assess the frequency of hyperintensity in the dentate nucleus on T1-weighted magnetic resonance (MR) images and to establish correlations between such hyperintensity and clinical factors, including a history of brain irradiation. MATERIALS AND METHODS:This study was approved by the institutional review boar...

journal_title：Radiology

authors： Kasahara S,Miki Y,Kanagaki M,Yamamoto A,Mori N,Sawada T,Taoka T,Okada T,Togashi K

更新日期：2011-01-01 00:00:00

abstract：:The sequelae of disk degeneration are among the leading causes of functional incapacity in both sexes and are a common source of chronic disability in the working years. Disk degeneration involves structural disruption and cell-mediated changes in composition. Mechanical, traumatic, nutritional, and genetic factors al...

journal_title：Radiology

authors： Modic MT,Ross JS

更新日期：2007-10-01 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：:In his overview of the history and theoretical developments of radiotherapy, the author stresses the following concepts: (a) sensitivity is not linked to histology but to the volume of cancer; (b) the dose must not necessarily be homogeneous in the target volume but related to varying volumes of cancer; (c) the fact t...

journal_title：Radiology

authors： Fletcher GH

更新日期：1978-04-01 00:00:00

abstract：:The computed tomographic (CT) findings in six patients with periportal tuberculous adenitis were reviewed retrospectively to analyze the main morphologic features of the disease. In all patients, hypodense lymph nodes were observed close to the porta hepatis, with peripheral enhancement seen after administration of co...

journal_title：Radiology

authors： Mathieu D,Ladeb MF,Guigui B,Rousseau M,Vasile N

更新日期：1986-12-01 00:00:00

abstract：:Microglioma (reticulum-cell sarcoma) of the central nervous system is uncommon. The authors reviewed 12 biopsy-proved cases with clinical and radiographic evidence of involvement limited to the central nervous system which were seen between 1966 and 1980. The age range was 15-81 and there were 8 females and 4 males. N...

journal_title：Radiology

authors： Sagerman RH,Collier CH,King GA

更新日期：1983-11-01 00:00:00

abstract：:The purpose of this study was to evaluate an automatic boundary detection algorithm of the left ventricle on magnetic resonance (MR) short-axis images with the essential restriction of no manual corrections. The study comprised 13 patients (nine men, four women) and 12 healthy volunteers (11 men, one woman), and insti...

journal_title：Radiology

authors： van Geuns RJ,Baks T,Gronenschild EH,Aben JP,Wielopolski PA,Cademartiri F,de Feyter PJ

更新日期：2006-07-01 00:00:00

abstract：PURPOSE:To evaluate involvement of the lower uterine segment (LUS) in adenocarcinoma of the endometrium and to identify patterns of treatment failure. MATERIALS AND METHODS:Two hundred four patients, aged 29-92 years, with endometrial carcinoma underwent surgery. Postoperative radiation therapy was administered for ad...

journal_title：Radiology

authors： Mayr NA,Wen BC,Benda JA,Sorosky JI,Davis CS,Fuller RW,Hussey DH

更新日期：1995-08-01 00:00:00

abstract：PURPOSE:To evaluate the potential of xenon ventilation computed tomography (CT) in the quantitative and visual analysis of chronic obstructive pulmonary disease (COPD). MATERIALS AND METHODS:This study was approved by the institutional review board. After informed consent was obtained, 32 patients with COPD underwent ...

journal_title：Radiology

authors： Park EA,Goo JM,Park SJ,Lee HJ,Lee CH,Park CM,Yoo CG,Kim JH

更新日期：2010-09-01 00:00:00

abstract：:A grid consisting of a focused array of radiopaque strips has been constructed. No interspace material is employed, and, during an exposure, the arrangement moves so that the grid strips remain focused and a uniform film density is obtained. Preliminary measurements and radiographs of patients indicate that such a dev...

journal_title：Radiology

authors： Barnes GT,Moreland RF,Yester MV,Witten DM

更新日期：1980-06-01 00:00:00

abstract：PURPOSE:To evaluate positron emission tomography (PET) with fluorine-18-labeled fluorodeoxyglucose (FDG) for detection of pancreatic cancer compared with computed tomography (CT) and ultrasonography (US). MATERIALS AND METHODS:Forty patients with suspected pancreatic cancer underwent static PET after intravenous injec...

journal_title：Radiology

authors： Bares R,Klever P,Hauptmann S,Hellwig D,Fass J,Cremerius U,Schumpelick V,Mittermayer C,Büll U

更新日期：1994-07-01 00:00:00

abstract：:The records of 71 patients with adenoid cystic carcinoma of the salivary glands were reviewed to determine the dose response relationships for this aggressive tumor. Local control after treatment was determined for all patients and analyzed with respect to extent of surgery and dose of radiation. Of 70 patients who we...

journal_title：Radiology

authors： Simpson JR,Thawley SE,Matsuba HM

更新日期：1984-05-01 00:00:00

abstract：PURPOSE:To evaluate the portal and arterial blood supplies to dysplastic nodules in the cirrhotic liver with computed tomography (CT) during arterial portography (CTAP) and CT hepatic arteriography (CTHA). MATERIALS AND METHODS:Nineteen histopathologically proved low-grade dysplastic nodules and 13 high-grade dysplast...

journal_title：Radiology

authors： Lim JH,Cho JM,Kim EY,Park CK

更新日期：2000-03-01 00:00:00

abstract：PURPOSE:To evaluate the prevalence of testicular microlithiasis (TM) in children who have undergone scrotal ultrasonography (US) and their association with testicular tumors. MATERIALS AND METHODS:This HIPAA-compliant study with waiver of informed consent was approved by the institutional review board. From 2003 to 20...

journal_title：Radiology

authors： Cooper ML,Kaefer M,Fan R,Rink RC,Jennings SG,Karmazyn B

更新日期：2014-03-01 00:00:00

abstract：:The accumulation of 99mtechnetium sulfur colloid (99mTcSC) was evaluated in 47 studies performed on 19 renal transplant patients by comparing its transplant activity to its bone marrow accumulation. There was a diagnosis of rejection of 21 of 22 studies (96.5%) in which marked transplant accumulation was noted. In 11 ...

journal_title：Radiology

authors： Kim YC,Massari PU,Brown ML,Thrall JH,Chang B,Keyes JW Jr

更新日期：1977-09-01 00:00:00

abstract：:Twenty-nine patients with known or suspected malignancy were studied with identical T1-weighted (spin echo [SE] and inversion recovery [IR]) and T2-weighted SE magnetic resonance (MR) imaging at 0.5 and 1.5 T to evaluate the relative sensitivities of these sequences for detecting focal hepatic lesions. At 0.5 T, 98 le...

journal_title：Radiology

authors： Steinberg HV,Alarcon JJ,Bernardino ME

更新日期：1990-01-01 00:00:00

abstract：:Purpose To evaluate the diagnostic accuracy of multiparametric ultrasonography (US) consisting of gray-scale US, color Doppler US, strain elastography, and contrast agent-enhanced US in the assessment of intratesticular lesions. Materials and Methods Institutional review board approval was obtained for this retrospect...

journal_title：Radiology

authors： Auer T,De Zordo T,Dejaco C,Gruber L,Pichler R,Jaschke W,Dogra VS,Aigner F

更新日期：2017-11-01 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 evaluate the feasibility of reconstructing single and multiple targets by using fluorescence-enhanced tomography of a breast tissue phantom. MATERIALS AND METHODS:Frequency-domain fluorescence measurements were performed in cup-shaped tissue phantoms of clinically relevant size (diameter, 10 cm) in which si...

journal_title：Radiology

authors： Godavarty A,Eppstein MJ,Zhang C,Sevick-Muraca EM

更新日期：2005-04-01 00:00:00

abstract：:Twenty-five rhesus monkeys were randomly assigned to one of five treatment schedules: 1. control group, no irradiation, 2. 60Co five times weekly, 3. 60Co twice weekly, 4. 16-MeVd leads to Be neutrons twice weekly, and 5. 50-MeVd leads to Be neutrons twice weekly. Although the acute reactions were similar in the four ...

journal_title：Radiology

authors： Jardine JH,Hussey DH,Boyd DD,Raulston GL,Davidson TJ

更新日期：1975-10-01 00:00:00

abstract：:Current management of osteoarthritis (OA) is primarily focused on symptom control. Intra-articular corticosteroid (IACS) injections are often used for pain management of hip and knee OA in patients who have not responded to oral or topical analgesics. Recent case series suggested that negative structural outcomes incl...

journal_title：Radiology

authors： Guermazi A,Neogi T,Katz JN,Kwoh CK,Conaghan PG,Felson DT,Roemer FW

更新日期：2020-12-01 00:00:00

abstract：:In 2 adults who had received thorotrast intravenously at ages 2 and 3 years, respectively, radiopaque outlines of their infantile vertebrae were seen in the adult vertebrae. Similar "ghosts" of the hemipelves were present in the pelvis of 1 patient. Autopsy findings and autoradiographs in 1 patient strongly suggest th...

journal_title：Radiology

authors： Teplick JG,Head GL,Kricun ME,Haskin ME

更新日期：1978-12-01 00:00:00

abstract：:Cortical fissuring, a well-recognized radiographic sign of osteomyelitis, represents spread of infection through the haversian system with osteoclastic bone resorption. In the proper clinical setting this finding may be recognized before there is other evidence of bone destruction or periosteal reaction. Three cases a...

journal_title：Radiology

authors： Rosen RA,Morehouse HT,Karp HJ,Yu GS

更新日期：1981-10-01 00:00:00

abstract：:Cranial magnetic resonance (MR) images were prospectively obtained in 74 human immunodeficiency virus (HIV)-seropositive subjects, all of whom had undergone MR imaging 24-42 months earlier. The images were interpreted by neuroradiologists blinded to the subject's clinical status and were compared with the initial MR i...

journal_title：Radiology

authors： Post MJ,Berger JR,Duncan R,Quencer RM,Pall L,Winfield D

更新日期：1993-09-01 00:00:00

abstract：:Five patients with pyarthrosis complicating rheumatoid arthritis are described. Only minimal clinical signs may be seen in such patients, making accurate diagnosis of this occasional complication difficult. Roentgenographic abnormalities include a rapidly enlarging joint effusion and progressive cartilage and bone des...

journal_title：Radiology

authors： Resnick D

更新日期：1975-03-01 00:00:00

abstract：PURPOSE:To identify mechanism(s) responsible for carpal tunnel syndrome (CTS). MATERIALS AND METHODS:At dynamic gadolinium-enhanced magnetic resonance (MR) imaging, the enhancement pattern of the sagittal section of the median nerve in 10 wrists of nine patients with CTS (two men and seven women, aged 43-60 years [mea...

journal_title：Radiology

authors： Sugimoto H,Miyaji N,Ohsawa T

更新日期：1994-02-01 00:00:00