Hybrid subtraction for improved arteriography.

abstract：:The authors evaluated the safety and efficacy of a biopsy gun for performance of image-guided percutaneous biopsy of hepatic allografts in liver transplant recipients. Two hundred fifty-two liver biopsies were performed in 58 transplant recipients over a 27-month period by using this instrument with an 18-gauge needle...

journal_title：Radiology

authors： Chezmar JL,Keith LL,Nelson RC,Plaire JC,Hertzler GL,Bernardino ME

更新日期：1991-05-01 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 authors report a case of traumatic removal of nerve tissue during myelography with the Chynn aspiration cannula. If such a situation occurs, the authors suggest making a second puncture at a different level. ...

journal_title：Radiology

authors： Brodey PA,London SS,Sung MA

更新日期：1977-12-01 00:00:00

abstract：:During a 17-year period, 33 injuries produced radiographic abnormalities in 26 members of a professional football team. Sites of injury were correlated with playing position and protective equipment worn at the time of injury. Fractures of multiple transverse processes of the lumbar spine are reported in offensive hal...

journal_title：Radiology

authors： Bowerman JW,McDonnell EJ

更新日期：1975-10-01 00:00:00

abstract：:In a 27-year-old man with claudication, computed tomography (CT) demonstrated a popliteal cyst and an adventitial cyst of the popliteal artery. Adventitial cystic disease was unexpected because the patient had a diminished pedal pulse on plantar flexion of the foot, a physical finding suggesting popliteal artery entra...

journal_title：Radiology

authors： Jasinski RW,Masselink BA,Partridge RW,Deckinga BG,Bradford PF

更新日期：1987-04-01 00:00:00

abstract：:Paraplegics whose range of motion is limited by para-osteo-arthropathy (POA) may have difficulty in becoming independent unless the heterotopic bone mass is removed. The recurrence rate is high if the bony mass is not mature at the time of surgery. Radiography and alkaline phosphatase correlations are not trustworthy....

journal_title：Radiology

authors： Tanaka T,Rossier AB,Hussey RW,Ahnberg DS,Treves S

更新日期：1977-04-01 00:00:00

abstract：PURPOSE:To determine whether the computed tomographic (CT) appearances of multiple pulmonary nodules in patients with acquired immunodeficiency syndrome (AIDS) can help differentiate the potential infectious and neoplastic causes. MATERIALS AND METHODS:The thoracic CT scans obtained in 60 patients with AIDS and multip...

journal_title：Radiology

authors： Edinburgh KJ,Jasmer RM,Huang L,Reddy GP,Chung MH,Thompson A,Halvorsen RA Jr,Webb RA

更新日期：2000-02-01 00:00:00

abstract：:Background In the United States, patients have the right to access their protected health information. However, to the knowledge of the authors, no study has evaluated the patient request process and the barriers to patient access of their radiology images. Purpose To assess U.S. hospital compliance with federal regul...

journal_title：Radiology

authors： Lye CT,Krumholz HM,Eckroate JE,Daniel JG,deBronkart D,Mann MK,Hsiao AL,Forman HP

更新日期：2019-08-01 00:00:00

abstract：PURPOSE:To determine if T2 relaxation time measurements with magnetic resonance (MR) imaging in patients with Graves ophthalmopathy (GO) can predict response to therapy. MATERIALS AND METHODS:Studied were 84 patients with GO, 27 with Graves disease without ophthalmopathy (GD), and 12 control subjects without Graves di...

journal_title：Radiology

authors： Ohnishi T,Noguchi S,Murakami N,Tajiri J,Harao M,Kawamoto H,Hoshi H,Jinnouchi S,Futami S,Nagamachi S

更新日期：1994-03-01 00:00:00

abstract：PURPOSE:To establish the relationships between quantitative perfusion computed tomography (CT) parameters-specifically, primary tumor blood flow, blood volume, transit time, and permeability surface-area product-and immunohistologic markers of angiogenesis in colorectal cancer. MATERIALS AND METHODS:After institutiona...

journal_title：Radiology

authors： Goh V,Halligan S,Daley F,Wellsted DM,Guenther T,Bartram CI

更新日期：2008-11-01 00:00:00

abstract：PURPOSE:To retrospectively evaluate positron emission tomography (PET)/magnetic resonance (MR) enterography for the differentiation of fibrotic strictures from inflammatory strictures in patients with Crohn disease. MATERIALS AND METHODS:This HIPAA-compliant retrospective study was approved by the institutional review...

journal_title：Radiology

authors： Catalano OA,Gee MS,Nicolai E,Selvaggi F,Pellino G,Cuocolo A,Luongo A,Catalano M,Rosen BR,Gervais D,Vangel MG,Soricelli A,Salvatore M

更新日期：2016-03-01 00:00:00

abstract：PURPOSE:To retrospectively determine the accuracy of endorectal magnetic resonance (MR) imaging in demonstrating seminal vesicle invasion (SVI) and to investigate the MR imaging features that can predict SVI. MATERIALS AND METHODS:The Institutional Review Board granted exempt status for this retrospective study, with ...

journal_title：Radiology

authors： Sala E,Akin O,Moskowitz CS,Eisenberg HF,Kuroiwa K,Ishill NM,Rajashanker B,Scardino PT,Hricak H

更新日期：2006-03-01 00:00:00

abstract：PURPOSE:To investigate whether default mode network (DMN) spatial properties can be directly affected by pain, with a comparison of painful and nonpainful conditions. MATERIALS AND METHODS:The authors performed a functional magnetic resonance (MR) imaging study, approved by the local institutional ethics committee, in...

journal_title：Radiology

authors： Mantini D,Caulo M,Ferretti A,Romani GL,Tartaro A

更新日期：2009-12-01 00:00:00

abstract：:Pedal lymphography was performed without the use of vital dyes in 510 patients. Lymphatic vessels were still readily identifiable by this method, due to their transparency, clarity, elasticity, distensibility, and characteristic branching pattern. Procedure time was shortened by 10-15 minutes without compromising the ...

journal_title：Radiology

authors： Kapdi CC

更新日期：1979-12-01 00:00:00

abstract：:Postoperative irradiation reduces the local recurrence rate for malignant salivary gland tumors. Less extensive surgery followed by immediate radiotherapy is possible without decreasing local control; moreover, cosmetic appearance and physiological function are preserved. Local tumor control was achieved in 16 out of ...

journal_title：Radiology

authors： Chung CT,Sagerman RH,Ryoo MC,King GA,Yu WS,Dalal PS

更新日期：1982-10-01 00:00:00

abstract：:Osteoid osteoma is a benign, self-limited tumor of bone that usually requires surgical excision for relief of pain and to prevent long-term consequences. Radio-frequency electrodes have been successfully and safely used to ablate small areas of the central nervous system and to perform ablation elsewhere in the body. ...

journal_title：Radiology

authors： Rosenthal DI,Alexander A,Rosenberg AE,Springfield D

更新日期：1992-04-01 00:00:00

abstract：:Spurting of blood from standard arterial needles during guide-wire insertion can be controlled easily with a syringe and a simple needle inserted along the syringe plunger. With this method, blood droplets that may be infected with the hepatitis or human immunodeficiency virus will not come into contact with the head ...

journal_title：Radiology

authors： Cope C,Machan L

更新日期：1990-03-01 00:00:00

abstract：PURPOSE:Evaluate effect of prostatic irradiation on erectile function. MATERIALS AND METHODS:Forty-seven male adult rats were divided into three groups according to a single radiation dose to the prostate: control (no irradiation) (n = 15), 1,000 cGy (n = 15), and 2,000 cGy (n = 17). Five months after irradiation, rat...

journal_title：Radiology

authors： Carrier S,Hricak H,Lee SS,Baba K,Morgan DM,Nunes L,Ross GY,Phillips TL,Lue TF

更新日期：1995-04-01 00:00:00

abstract：PURPOSE:To correlate pulsatility index (PI) and resistive index (RI) measured at early specific intervals after transplantation with 1-year estimated glomerular filtration rate (eGFR) and death-censored transplant survival to assess the long-term prognostic value of these Doppler indexes. MATERIALS AND METHODS:The loc...

journal_title：Radiology

authors： McArthur C,Geddes CC,Baxter GM

更新日期：2011-04-01 00:00:00

abstract：:A new technique for embolization with compressed Ivalon plugs is described. Fourteen arteries--six renal, three splenic, two pulmonary, one left gastric, and two abdominal aortas--were occluded in six dogs. In one case of renal artery embolization, three plugs were used, and in one case of abdominal aorta embolization...

journal_title：Radiology

authors： Zollikofer C,Castaneda-Zuniga WR,Galliani C,Rysavy JA,Formanek A,Amplatz K

更新日期：1980-09-01 00:00:00

abstract：:Computed tomography (CT) scans of 9 surgically proved cases of cerebral abscess were reviewed. The CT characteristics were studied, as were the postoperative scans. Also assessed were the contributions to the diagnosis of the clinical features, plain radiographic examinations, radionuclide imaging, and angiography. Th...

journal_title：Radiology

authors： New PF,Davis KR,Ballantine HT Jr

更新日期：1976-12-01 00:00:00

abstract：:Complications of indwelling ureteral stents were managed percutaneously in 13 patients. These complications consisted of three fractured, three heavily encrusted, and seven migrated stents. While most ureteral stent malfunctions are routinely managed with retrograde techniques, the percutaneous approach allows effecti...

journal_title：Radiology

authors： LeRoy AJ,Williams HJ Jr,Segura JW,Patterson DE,Benson RC Jr

更新日期：1986-01-01 00:00:00

abstract：:Twenty-two patients with synthetic ossicular replacements were studied with computed tomography (CT). Twelve patients had total ossicular replacement prostheses (TORPs), and ten patients had partial ossicular replacement prostheses (PORPs). Good results were achieved in 12 patients (eight with TORPs and four with PORP...

journal_title：Radiology

authors： Swartz JD,Berger AS,Zwillenberg S,Granoff DW,Popky GL

更新日期：1987-06-01 00:00:00

abstract：:Magnetic resonance imaging (MRI) of an angiographically confirmed pulmonary embolus was performed. The thrombus appeared as an intense intraluminal signal within the left descending pulmonary artery; this signal was absent on repeat examination after clot lysis. Because MR will not image flowing blood, it provides a p...

journal_title：Radiology

authors： Moore EH,Gamsu G,Webb WR,Stulbarg MS

更新日期：1984-11-01 00:00:00

abstract：PURPOSE:To retrospectively evaluate the influence of postbiopsy hemorrhage on the accuracy of tumor detection at T2-weighted magnetic resonance (MR) imaging, dynamic contrast material-enhanced MR imaging, and diffusion-weighted (DW) MR imaging of prostate cancer, with histologic findings as the reference standard. MAT...

journal_title：Radiology

authors： Tamada T,Sone T,Jo Y,Yamamoto A,Yamashita T,Egashira N,Imai S,Fukunaga M

更新日期：2008-08-01 00:00:00

abstract：PURPOSE:To evaluate patient discharge destination after elective endovascular or open surgical repair of infrarenal abdominal aortic aneurysm and to determine predictors for discharge to home or to a rehabilitation center. MATERIALS AND METHODS:All patients electively treated for infrarenal abdominal aortic aneurysm w...

journal_title：Radiology

authors： Bosch JL,Beinfeld MT,Halpern EF,Lester JS,Gazelle GS

更新日期：2001-09-01 00:00:00

abstract：:Purpose To assess a volume-weighted voxel-based multiparametric (MP) clustering method as an imaging biomarker to differentiate recurrent glioblastoma from delayed radiation necrosis. Materials and Methods The institutional review board approved this retrospective study and waived the informed consent requirement. Sev...

journal_title：Radiology

authors： Yoon RG,Kim HS,Koh MJ,Shim WH,Jung SC,Kim SJ,Kim JH

更新日期：2017-10-01 00:00:00

abstract：:Breast cancer screening detected 139 biopsy-proved malignancies in 16,000 slef-selected women (8.7/1,000). In these, xeroradiography detected 78% (109), clinical examination 55% (76), and thermography 39% (54). In all 16,000 women, the thermogram was interpreted as positive in 17.9% (2,864). The greatest effectiveness...

journal_title：Radiology

authors： Feig SA,Shaber GS,Schwartz GF,Patchefsky A,Libshitz HI,Edeiken J,Nerlinger R,Curley RF,Wallace JD

更新日期：1977-01-01 00:00:00

abstract：:Transbronchial biopsy to sample lymph nodes and tumors that are not visible at endoscopy has a poor (<50%) success rate. These nodes can be highlighted easily at virtual computed tomographic (CT) bronchoscopy to provide a guide. This study was performed to evaluate if the addition of this information to the bronchosco...

journal_title：Radiology

authors： Hopper KD,Lucas TA,Gleeson K,Stauffer JL,Bascom R,Mauger DT,Mahraj R

更新日期：2001-11-01 00:00:00

abstract：:High-resolution, real-time ultrasonography (US) with graded compression was used to evaluate 90 patients with clinically suspected acute appendicitis. US visualization of a noncompressible appendix was the primary criterion for a diagnosis of acute appendicitis. The overall sensitivity was 89%, the specificity was 95%...

journal_title：Radiology

authors： Jeffrey RB Jr,Laing FC,Lewis FR

更新日期：1987-04-01 00:00:00