The evolution of the basic concepts underlying the practice of radiotherapy from 1949 to 1977.

abstract：PURPOSE:To evaluate the effect of a reduction in iodine dose by altering volume and/or concentration of contrast material on hepatic contrast enhancement (HCE) values during hepatic helical computed tomography (CT). MATERIALS AND METHODS:One hundred eleven patients were randomized into four contrast material protocols...

journal_title：Radiology

authors： Freeny PC,Gardner JC,vonIngersleben G,Heyano S,Nghiem HV,Winter TC

更新日期：1995-10-01 00:00:00

abstract：:To determine the clinical and mammographic features of recurrent breast cancer after tumorectomy and radiation therapy, the authors reviewed the clinical history and serial mammograms of 48 patients with suspected recurrence. Of patients with recurrent disease, seven had positive mammograms alone, nine had positive fi...

journal_title：Radiology

authors： Hassell PR,Olivotto IA,Mueller HA,Kingston GW,Basco VE

更新日期：1990-09-01 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：PURPOSE:To evaluate the effect of dual-source parallel radiofrequency (RF) transmission with patient-adaptive local RF shimming on image quality, image contrast, and diagnostic confidence at routine clinical cardiac magnetic resonance (MR) imaging with use of a 3.0-T dual-channel transmit whole-body MR system. MATERIA...

journal_title：Radiology

authors： Mueller A,Kouwenhoven M,Naehle CP,Gieseke J,Strach K,Willinek WA,Schild HH,Thomas D

更新日期：2012-04-01 00:00:00

abstract：:Purpose To perform an intra-animal comparison between (a) three-dimensional (3D) molecularly targeted ultrasonography (US) by using clinical-grade vascular endothelial growth factor receptor 2 (VEGFR2)-targeted microbubbles and (b) 3D dynamic contrast material-enhanced (DCE) US by using nontargeted microbubbles for as...

journal_title：Radiology

authors： Wang H,Lutz AM,Hristov D,Tian L,Willmann JK

更新日期：2017-02-01 00:00:00

abstract：:Thirty-five patients who were to undergo radiotherapy and 13 normal subjects were evaluated with taste questionnaires, taste acuity tests, and plasma zinc analyses. The studies were repeated on the patients in the fifth week of radiotherapy. The mean taste thresholds for NaCl (salt), sucrose (sweet), HCl (sour), and u...

journal_title：Radiology

authors： Bolze MS,Fosmire GJ,Stryker JA,Chung CK,Flipse BG

更新日期：1982-07-01 00:00:00

abstract：:A retrospective analysis of 84 ultrasound examinations (in 77 patients) was performed to assess the frequency of sonographic findings in chronic pancreatitis. The findings included: inhomogeneously increased echogenicity in 53% of these examinations, focal or diffuse enlargement in 41%, focal dense echoes in 40%, pseu...

journal_title：Radiology

authors： Alpern MB,Sandler MA,Kellman GM,Madrazo BL

更新日期：1985-04-01 00:00:00

abstract：PURPOSE:To review the ultrasonographic (US), computed tomographic (CT), and magnetic resonance (MR) imaging findings in 13 patients with telangiectatic focal nodular hyperplasia (FNH) and to compare imaging features with histopathologic results from resected specimens. MATERIALS AND METHODS:US, helical multiphasic CT,...

journal_title：Radiology

authors： Attal P,Vilgrain V,Brancatelli G,Paradis V,Terris B,Belghiti J,Taouli B,Menu Y

更新日期：2003-08-01 00:00:00

abstract：:In a series of 526 consecutive, unprepared patients examined by ultrasound, the gallbladder was visualized in 507 (96%). The average wall thickness was 2 mm or less in 97% of asymptomatic subjects without cholelithiasis and 3 mm or greater in 45% of those with choletithiasis. Pathologic correlation of increased thickn...

journal_title：Radiology

authors： Finberg HJ,Birnholz JC

更新日期：1979-12-01 00:00:00

abstract：:Thirty patients underwent 16-section multi-detector row computed tomographic (CT) angiography of the thorax with retrospective electrocardiographic gating. Institutional review board approval was obtained for retrospective analysis of CT scan data and records; patient informed consent was not required. Images reconstr...

journal_title：Radiology

authors： Hofmann LK,Zou KH,Costello P,Schoepf UJ

更新日期：2004-12-01 00:00:00

abstract：:366 patients with squamous-cell carcinoma of the oropharynx treated by external irradiation were studied to see whether residual disease at the end of treatment influences control. The frequency of recurrence was found to be significantly greater when residual disease was present. When the total dose was determined by...

journal_title：Radiology

authors： Barkley HT,Fletcher GH

更新日期：1977-08-01 00:00:00

abstract：:Evidence-based radiology (EBR) is an important tool for the practice of radiology. The user of the EBR approach identifies evidence in a systematic fashion and then assimilates information through in-depth, explicit critical review of the best-designed and most recent literature on the subject in question. Clinical de...

journal_title：Radiology

authors： Medina LS,Blackmore CC

更新日期：2007-08-01 00:00:00

abstract：:A 2-year-old girl with cyanotic congenital heart disease needed to undergo gastrostomy. To avoid the use of general anesthesia, a percutaneous gastrostomy was performed as an interventional radiologic procedure with the patient under sedation and with the use of local anesthesia. The placement of a nasogastrocutaneous...

journal_title：Radiology

authors： Keller MS,Lai S,Wagner DK

更新日期：1986-07-01 00:00:00

abstract：PURPOSE:To retrospectively evaluate the immediate and long-term clinical results, as well as the angiographic results, of occlusion of middle cerebral artery (MCA) berry aneurysms with coils. MATERIALS AND METHODS:This retrospective study had institutional review board approval, and informed consent was obtained. One ...

journal_title：Radiology

authors： Iijima A,Piotin M,Mounayer C,Spelle L,Weill A,Moret J

更新日期：2005-11-01 00:00:00

abstract：:High-resolution real-time ultrasound with either a 7.5- or 10-MHz transducer was used to localize 7/9 nonpalpable breast masses previously detected by mammography and to determine where the biopsy needle should be inserted. ...

journal_title：Radiology

authors： Laing FC,Jeffrey RB,Minagi H

更新日期：1984-06-01 00:00:00

abstract：PURPOSE:To develop and demonstrate a method for regional evaluation of pulmonary perfusion and gas exchange based on intravenous injection of hyperpolarized xenon 129 ((129)Xe) and subsequent magnetic resonance (MR) imaging of the gas-phase (129)Xe emerging in the alveolar airspaces. MATERIALS AND METHODS:Five Fischer...

journal_title：Radiology

authors： Driehuys B,Möller HE,Cleveland ZI,Pollaro J,Hedlund LW

更新日期：2009-08-01 00:00:00

abstract：:A 65-year-old woman with endobronchial carcinoma had torsion of the left upper lobe. A posteroanterior chest radiograph showed apparent atelectasis in the left upper lobe, but the lateral view disclosed an inappropriate posterior displacement of the collapsed lobe. The vasculature of the affected area showed an unusua...

journal_title：Radiology

authors： Moser ES Jr,Proto AV

更新日期：1987-03-01 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：:The Radiation Oncology Center in Sacramento, California, has developed a procedure for establishing an intraoperative radiation therapy facility in a community practice. The logistics pertaining to personnel, equipment, physical measurements, and quality assurance are presented. Particular emphasis is given to the mos...

journal_title：Radiology

authors： Wolkov HB,Chenery SG,Asche DR,McPeek EC,Hanks GE,Holmes TW

更新日期：1988-07-01 00:00:00

abstract：:Molecular imaging, generally defined as noninvasive imaging of cellular and subcellular events, has gained tremendous depth and breadth as a research and clinical discipline in recent years. The coalescence of major advances in engineering, molecular biology, chemistry, immunology, and genetics has fueled multi- and i...

journal_title：Radiology

authors： Kircher MF,Willmann JK

更新日期：2012-06-01 00:00:00

abstract：:Ten percent of children with biliary atresia have an associated complex of anomalies, including polysplenia, azygous continuation of the inferior vena cava, preduodenal portal vein, hepatic arterial anomalies, and bilaterally bilobed lungs. These abnormalities will not be detected if the preoperative workup is limited...

journal_title：Radiology

authors： Abramson SJ,Berdon WE,Altman RP,Amodio JB,Levy J

更新日期：1987-05-01 00:00:00

abstract：:Ultrasound-guided compression repair (UGCR) of catheterization-related femoral artery injuries was evaluated as a possible new imaging-guided interventional procedure. Thirty-nine femoral artery injuries (35 pseudoaneurysms, four arteriovenous fistulas) were detected with color Doppler flow imaging in patients with en...

journal_title：Radiology

authors： Fellmeth BD,Roberts AC,Bookstein JJ,Freischlag JA,Forsythe JR,Buckner NK,Hye RJ

更新日期：1991-03-01 00:00:00

abstract：PURPOSE:To identify opportunities for improving patient-centered communication about diagnostic imaging tests that involve the use of radiation in a cancer care setting. MATERIALS AND METHODS:Institutional review board approval and informed consent were obtained for this HIPAA-compliant study. Patient knowledge, infor...

journal_title：Radiology

authors： Thornton RH,Dauer LT,Shuk E,Bylund CL,Banerjee SC,Maloney E,Fox LB,Beattie CM,Hricak H,Hay J

更新日期：2015-05-01 00:00:00

abstract：:A prospective study to assess the usefulness of magnetic resonance (MR) imaging in the evaluation of endometrial carcinoma was undertaken by five institutions under the auspices of the National Cancer Institute. Six different MR imagers were used, ranging in magnetic field strength from 0.15 T to 1.5 T. For each unit,...

journal_title：Radiology

authors： Hricak H,Rubinstein LV,Gherman GM,Karstaedt N

更新日期：1991-06-01 00:00:00

abstract：PURPOSE:To assess the cost-effectiveness of noninvasive imaging strategies in patients who have had a transient ischemic attack (TIA) or minor stroke and are suspected of having significant carotid artery stenosis. MATERIALS AND METHODS:From 1997 through 2000, 350 patients were included in a multicenter blinded consec...

journal_title：Radiology

authors： Buskens E,Nederkoorn PJ,Buijs-Van Der Woude T,Mali WP,Kappelle LJ,Eikelboom BC,Van Der Graaf Y,Hunink MG

更新日期：2004-10-01 00:00:00

abstract：:An unusually prominent soleal line (a normal anatomic variant) may mimic periosteal reaction along the posterior margin of the proximal tibial shaft. This area of pseudoperiostitis is differentiated from hyperostoses arising from the anterior tibial tubercle and the interosseous membrane. It is always associated with ...

journal_title：Radiology

authors： Levine AH,Pais MJ,Berinson H,Amenta PS

更新日期：1976-04-01 00:00:00

abstract：:BackgroundMethylphenidate (MPH) is highly effective in treating attention-deficit/hyperactivity disorder (ADHD). However, not much is known about its effect on the development of human brain white matter (WM).PurposeTo determine whether MPH modulates WM microstructure in an age-dependent fashion in a randomized double...

journal_title：Radiology

authors： Bouziane C,Filatova OG,Schrantee A,Caan MWA,Vos FM,Reneman L

更新日期：2019-10-01 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：:Subtraction radiography permits the use of 7-10 times less contrast material than is required without subtraction techniques. The first-order, second-order, and composite mask techniques are described and evaluated. While the second-order technique gives more complete cancellation of common structures, the more common...

journal_title：Radiology

authors： Ort MG,Gregg EC,Kaufman B

更新日期：1977-07-01 00:00:00

abstract：:A catheter specifically designed for percutaneous cholecystostomy was inserted into the gallbladders of 17 hospitalized patients who were thought to have acute cholecystitis. Cholecystostomies were performed in all patients without complications, and catheters were inserted in the intensive care unit with use of porta...

journal_title：Radiology

authors： McGahan JP

更新日期：1988-01-01 00:00:00