Hepatic malignancies: improved detection with pulse-inversion US in late phase of enhancement with SH U 508A-early experience.

abstract：:The accumulation of technetium-99m diethylenetriamine pentaacetic acid (Tc-99m DTPA) in benign soft-tissue neurofibromatosis tumors is reported. In a series of 16 patients with clinical stigmata of neurofibromatosis, 28 sites of abnormal soft-tissue localization of the isotope observed scintigraphically were documente...

journal_title：Radiology

authors： Mandell GA,Herrick WC,Harcke HT,Sharkey C,Brooks KM,MacEwen GD

更新日期：1985-12-01 00:00:00

abstract：:The transjugular intrahepatic portosystemic shunt procedure is an effective intervention for patients with bleeding esophageal varices. Potential complications are numerous but rarely serious. A case of hemopericardium, cardiac tamponade, and death caused by perforation of the right atrium and aorta by a stent after e...

journal_title：Radiology

authors： Prahlow JA,O'Bryant TJ,Barnard JJ

更新日期：1997-10-01 00:00:00

abstract：:Purpose To report the results of dual-time-point gallium 68 (68Ga) prostate-specific membrane antigen (PSMA)-11 positron emission tomography (PET)/magnetic resonance (MR) imaging prior to prostatectomy in patients with intermediate- or high-risk cancer. Materials and Methods Thirty-three men who underwent conventional...

journal_title：Radiology

authors： Park SY,Zacharias C,Harrison C,Fan RE,Kunder C,Hatami N,Giesel F,Ghanouni P,Daniel B,Loening AM,Sonn GA,Iagaru A

更新日期：2018-08-01 00:00:00

abstract：PURPOSE:To assess computed tomography (CT) with iodized oil for depiction of small hepatocellular carcinoma (HCC) before liver transplantation. MATERIALS AND METHODS:Thirty-five consecutive cirrhotic patients underwent CT with iodized oil to determine the presence, number, size, and location of possible nodules. All p...

journal_title：Radiology

authors： Taourel PG,Pageaux GP,Coste V,Fabre JM,Pradel JA,Ramos J,Larrey D,Domergue J,Michel H,Bruel JM

更新日期：1995-11-01 00:00:00

abstract：PURPOSE:To determine the computed tomographic (CT) detector configuration, patient size, and image noise limitations that will result in acceptable image quality of 80-kV images obtained at abdominal dual-energy CT. MATERIALS AND METHODS:The Institutional Review Board approved this HIPAA-compliant retrospective study ...

journal_title：Radiology

authors： Guimarães LS,Fletcher JG,Harmsen WS,Yu L,Siddiki H,Melton Z,Huprich JE,Hough D,Hartman R,McCollough CH

更新日期：2010-12-01 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：:The authors report a case of a hepatic artery aneurysm that simulated a mass in the head of the pancreas. The correct diagnosis was made preoperatively based on several findings: curvilinear calcification within the mass on CT, a well-defined cystic collection on ultrasound, absence of biliary duct dilatation or jaund...

journal_title：Radiology

authors： Gavin PM,Matalon TA,Petasnick JP,Roseman DL

更新日期：1984-09-01 00:00:00

abstract：:MRI is firmly established as an essential modality in the imaging of the temporal bone and lateral skull base. It is used to evaluate normal anatomic structures, evaluate for vestibular schwannomas, assess for inflammatory and/or infectious processes, and detect residual and/or recurrent cholesteatoma. It is also exte...

journal_title：Radiology

authors： Benson JC,Carlson ML,Lane JI

更新日期：2020-11-01 00:00:00

abstract：PURPOSE:To derive a suitable method for grading masticator space invasion in nasopharyngeal carcinoma on the basis of magnetic resonance (MR) images and to determine its prognostic value in patients undergoing intensity-modulated radiation therapy. MATERIALS AND METHODS:After institutional review board approval and in...

journal_title：Radiology

authors： Zhang GY,Huang Y,Cai XY,Chen XP,Xu T,Wu J,Wei WH,Liu LZ,Huang ZL,Zhou MM,Xia ST,Wang YJ

更新日期：2014-10-01 00:00:00

abstract：:In selective internal radiation (SIR) therapy of hepatic metastases, tumor vasculature is preferentially embolized with high-energy beta-emitting yttrium-90-labeled microspheres. To enable accurate estimation of the resultant absorbed radiation doses to tissues, an intraoperative beta detection probe is used to scan t...

journal_title：Radiology

authors： Burton MA,Gray BN,Kelleher DK,Klemp PF

更新日期：1990-04-01 00:00:00

abstract：PURPOSE:To collect up-to-date data in healthy children to create a digital hand atlas (DHA) that can be used to evaluate, on the basis of the Greulich and Pyle atlas method, racial differences in skeletal growth patterns of Asian, African American, white, and Hispanic children in the United States. MATERIALS AND METHO...

journal_title：Radiology

authors： Zhang A,Sayre JW,Vachon L,Liu BJ,Huang HK

更新日期：2009-01-01 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：:Limited-stage small cell lung cancer is frequently treated with induction combination chemotherapy (ICC), followed by consolidation with thoracic irradiation. It has been suggested that patients who do not have a complete response to ICC are unlikely to have control of occult distant metastasis and consequently have s...

journal_title：Radiology

authors： Armstrong JG,Rosenstein MM,Scher HI,Fass DE,Zelefsky MJ,Kris MG

更新日期：1991-03-01 00:00:00

abstract：:Purpose To characterize intratumoral spatial heterogeneity at perfusion magnetic resonance (MR) imaging and investigate intratumoral heterogeneity as a predictor of recurrence-free survival (RFS) in breast cancer. Materials and Methods In this retrospective study, a discovery cohort (n = 60) and a multicenter validati...

journal_title：Radiology

authors： Wu J,Cao G,Sun X,Lee J,Rubin DL,Napel S,Kurian AW,Daniel BL,Li R

更新日期：2018-07-01 00:00:00

abstract：PURPOSE:To determine technical success with percutaneous abscess drainage (PAD) in patients with Crohn disease during 14 years. MATERIALS AND METHODS:Medical records of 32 patients with Crohn disease who underwent PAD from 1985 to 1999 were reviewed. Results of abscess drainage and nature of subsequent surgical proced...

journal_title：Radiology

authors： Gervais DA,Hahn PF,O'Neill MJ,Mueller PR

更新日期：2002-03-01 00:00:00

abstract：PURPOSE:To evaluate the estimated absorbed radiation doses to the ovaries and skin entrance during uterine artery embolization (UAE) for leiomyomas. MATERIALS AND METHODS:Radiation dose was measured in 20 patients who underwent UAE for leiomyomas. Measurements were obtained by placing lithium fluoride dosimeters both ...

journal_title：Radiology

authors： Nikolic B,Spies JB,Lundsten MJ,Abbara S

更新日期：2000-01-01 00:00:00

abstract：:Purpose To develop and demonstrate in vitro and in vivo a single interventional magnetic resonance (MR)-active device that integrates the functions of precise identification of a tissue site with the delivery of radiofrequency (RF) energy for ablation, high-spatial-resolution thermal mapping to monitor thermal dose, a...

journal_title：Radiology

authors： Ertürk MA,Sathyanarayana Hegde S,Bottomley PA

更新日期：2016-12-01 00:00:00

abstract：:Images from endoscopic retrograde pancreatography performed in 38 patients with cystic pancreatic neoplasms were reviewed to determine whether they might allow differentiation of malignant from benign lesions. Twenty-three patients had histologically proved benign lesions; 15 had frankly malignant lesions. Images were...

journal_title：Radiology

authors： Gazelle GS,Mueller PR,Raafat N,Halpern EF,Cardenosa G,Warshaw AL

更新日期：1993-09-01 00:00:00

abstract：PURPOSE:To retrospectively determine if the use of a computer-aided detection (CAD) system can improve the performance of single reading of screening mammograms to match that of double reading in the United Kingdom. MATERIALS AND METHODS:Local research ethics committee approval was obtained; informed consent was not r...

journal_title：Radiology

authors： Gilbert FJ,Astley SM,McGee MA,Gillan MG,Boggis CR,Griffiths PM,Duffy SW

更新日期：2006-10-01 00:00:00

abstract：:Sixteen patients with peripheral cholangiocarcinoma of the liver were examined with computed tomography (CT). None of the 16 patients presented with jaundice or had documented cirrhosis. On scans obtained both before and after the injection of contrast material, the tumors were depicted as low-attenuation masses in al...

journal_title：Radiology

authors： Choi BI,Park JH,Kim YI,Yu ES,Kim SH,Kim WH,Kim CY,Han MC

更新日期：1988-10-01 00:00:00

abstract：:Given the increasing diversification of computers in most areas of radiology, the ability to solve problems resulting from incompatibility between systems is becoming essential. Manufacturers should supply hardware and software documentation to allow connections between different systems and give the radiology departm...

journal_title：Radiology

authors： Ackerman LV

更新日期：1981-05-01 00:00:00

abstract：PURPOSE:To evaluate two-phase helical computed tomography (CT) in the characterization of salivary gland tumors. MATERIALS AND METHODS:Sixty-four patients with major salivary gland tumors underwent two-phase helical CT. The histopathologic diagnosis was obtained by means of surgical resection or biopsy in all patients...

journal_title：Radiology

authors： Choi DS,Na DG,Byun HS,Ko YH,Kim CK,Cho JM,Lee HK

更新日期：2000-01-01 00:00:00

abstract：PURPOSE:To retrospectively compare the sensitivity of image-guided core-needle biopsy, thoracoscopy, and thoracotomy in the diagnosis of malignant pleural mesothelioma and to retrospectively determine the incidence of needle track seeding after these procedures. MATERIALS AND METHODS:Institutional review board approva...

journal_title：Radiology

authors： Agarwal PP,Seely JM,Matzinger FR,MacRae RM,Peterson RA,Maziak DE,Dennie CJ

更新日期：2006-11-01 00:00:00

abstract：:Recent methods of magnetic resonance imaging involve the placement of a grid of planes of saturation over the imaging plane; distortion of the grid corresponds to tissue displacement in two dimensions. An extension to this method that allows measurement of motion in the third dimension involves a second acquisition th...

journal_title：Radiology

authors： Pipe JG,Boes JL,Chenevert TL

更新日期：1991-11-01 00:00:00

abstract：:Cardiac arrest of 2-15 minutes was induced in 14 dogs. When circulatory arrest lasted longer than 5 minutes, abnormal cerebral angiographic findings were seen 3-4 hours after resuscitation, consisting of (a) marked prolongation of the arterial phase in both intracranial and extracranial arteries, and (b) faint (poor) ...

journal_title：Radiology

authors： Lin SR

更新日期：1975-12-01 00:00:00

abstract：:Computed tomography can aid in the distinction of calculi from both tumors and clots in the urinary tract. Its availability, simplicity of interpretation, and noninvasiveness establish it as an important diagnostic modality in selected cases when calculus is in the differential diagnosis of upper urinary tract filling...

journal_title：Radiology

authors： Segal AJ,Spataro RF,Linke CA,Frank IN,Rabinowitz R

更新日期：1978-11-01 00:00:00

abstract：:The authors present 3 cases of surgically proved Klatskin tumor diagnosed by ultrasound alone. Sonographic features of these tumors include (a) dilatation of the intrahepatic biliary ducts but not the extrahepatic duct, (b) non-union of the right and left hepatic ducts, and (c) small, solid masses at the hepatic hilus...

journal_title：Radiology

authors： Meyer DG,Weinstein BJ

更新日期：1983-09-01 00:00:00

abstract：PURPOSE:To determine the reliability and efficacy of magnetic resonance (MR) cholangiography in demonstrating the site and extent of stricture. MATERIALS AND METHODS:In 40 patients with obstructive jaundice, three-dimensional MR cholangiography was performed with a sequence of mirrored fast imaging with steady-state p...

journal_title：Radiology

authors： Hall-Craggs MA,Allen CM,Owens CM,Theis BA,Donald JJ,Paley M,Wilkinson ID,Chong WK,Hatfield AR,Lees WR

更新日期：1993-11-01 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：:An aortobronchial fistula is a rare condition that is invariably fatal if not diagnosed and surgically treated. Aortic aneurysms, both atherosclerotic and infective, were the main causes in the originally described cases. However, thoracic cardiovascular surgery has recently become the predominant cause. The authors d...

journal_title：Radiology

authors： Garniek A,Morag B,Schmahmann S,Rubinstein ZJ

更新日期：1990-05-01 00:00:00