Atypical small hemangiomas of the liver: "bright dot" sign at two-phase spiral CT.

abstract：:An aluminum step-wedge filter placed far from the film cassette provides the constant variation of subject contrast required for quantitative sensitometry while virtually eliminating scatter radiations. Attenuation curves made with this configuration are almost exponentially linear. ...

journal_title：Radiology

authors： Hale J,Bloch P

更新日期：1978-09-01 00:00:00

abstract：:The efficacy of the barium enema examination and abdominal computed tomography (CT) was investigated in 81 patients who had undergone operation for colorectal carcinoma. Recurrent disease was found in 52 patients and was divided into local (anastomotic and perianastomotic) and remote (distant and hepatic metastases) t...

journal_title：Radiology

authors： Chen YM,Ott DJ,Wolfman NT,Gelfand DW,Karsteadt N,Bechtold RE

更新日期：1987-05-01 00:00:00

abstract：:The CT scanner makes three-dimensional anatomical information available for treatment planning, the calculational algorithm being the limiting factor in dose calculations. A method has been developed, called the "effective tissue-air ratio method," that uses all the information but reduces it to manageable proportions...

journal_title：Radiology

authors： Sontag MR,Cunningham JR

更新日期：1978-12-01 00:00:00

abstract：:The authors reviewed 55 failed total condylar knee replacements, correlating the radiographic and surgical findings at removal or revision. Failure was due to infection in 20 cases, mechanical loosening in 18, instability without loosening in 10, malalignment without loosening in 4, a supracondylar fracture in 2, and ...

journal_title：Radiology

authors： Schneider R,Abenavoli AM,Soudry M,Insall J

更新日期：1984-08-01 00:00:00

abstract：PURPOSE:To describe magnetic resonance (MR) imaging features in patients with proved pilonidal sinus disease and to compare these features with those in a matched group of patients with proved fistula in ano to determine the accuracy with which MR imaging can be used to distinguish between the two diseases. MATERIALS ...

journal_title：Radiology

authors： Taylor SA,Halligan S,Bartram CI

更新日期：2003-03-01 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：:Radiation dose data were collected from a calibrated multi-detector row computed tomographic (CT) scanner during trauma CT. One protocol (used with 10 case subjects) involved a single-pass continuous whole-body acquisition from cranial vertex to symphysis pubis, while the other, conventional protocol (used with 10 con...

journal_title：Radiology

authors： Ptak T,Rhea JT,Novelline RA

更新日期：2003-12-01 00:00:00

abstract：:To ascertain the sensitivity of physical examination with respect to significant arterial injury, the angiographic findings of 61 stab wounds to the extremities were correlated with specific physical findings. In 25 injuries there were physical findings of major injury, including one or more of the following: pulse de...

journal_title：Radiology

authors： Hartling RP,McGahan JP,Blaisdell FW,Lindfors KK

更新日期：1987-02-01 00:00:00

abstract：:Computed tomography has been utilized to guide a needle into central nervous system lesions as small as one centimeter in diameter. Direct puncture has drained many abscesses effectively, provided material for immediate Gram stain and subsequent culture, and permitted irrigation with appropriate antibioties, Multilocu...

journal_title：Radiology

authors： Moran CJ,Naidich TP,Gado MH,Marchosky JA

更新日期：1979-06-01 00:00:00

abstract：:Between January 1981 and June 1990, 36 previously untreated patients with squamous cancer of the base of the tongue were treated with radiation therapy. This therapy consisted of a 5,000-5,400-cGy external beam plus a 2,000-3,000-cGy boost to the base of the tongue with an iridium-192 implant. Necks with negative node...

journal_title：Radiology

authors： Harrison LB,Zelefsky MJ,Sessions RB,Fass DE,Armstrong JG,Pfister DG,Strong EW

更新日期：1992-07-01 00:00:00

abstract：PURPOSE:To investigate the correlation between magnetic resonance (MR) imaging findings and pathologic subtype classification of hepatocellular adenoma (HCA). MATERIALS AND METHODS:This retrospective study was approved by the institutional review board, and the requirement for informed consent was waived. MR imaging s...

journal_title：Radiology

authors： van Aalten SM,Thomeer MG,Terkivatan T,Dwarkasing RS,Verheij J,de Man RA,Ijzermans JN

更新日期：2011-10-01 00:00:00

abstract：:In spite of long-term adjunctive oral dissolution therapy, residual gallstones have been reported in up to 50% of gallstone patients 3 months after extracorporeal shock-wave lithotripsy. Six women and five men, aged 31-75 years, underwent percutaneous endoscopic cholecystolithotripsy between April 1988 and October 198...

journal_title：Radiology

authors： Hruby W,Stackl W,Urban M,Armbruster C,Marberger M

更新日期：1989-11-01 00:00:00

abstract：:This case series describes the radiologic appearances of gynecomastoid hyperplasia of the breast in our experience. The clinical histories, breast images, and histopathologic findings in six women were reviewed. At mammography, there was no abnormality in two women, an enlarging asymmetric density in three women, and ...

journal_title：Radiology

authors： Selland DL,Korbin CD,Lester SC,Lerner MH,Gulizia JA,Kaelin CM,Meyer JE

更新日期：2000-02-01 00:00:00

abstract：:In a study of 726 patients, xeroradiography of the thyroid using a modified oblique projection was found to be superior to conventional soft-tissue radiography in detecting calcification in thyroid tumors because of edge enhancement. This facilitated a diagnosis of carcinoma in 75% of 68 primary tumors and 55% of 33 r...

journal_title：Radiology

authors： Kasai N,Tsuya A

更新日期：1981-11-01 00:00:00

abstract：:Fifteen cases of smooth muscle tumor of the alimentary tract were collected for analysis from several institutions. The findings showed that angiography is the best method available for diagnosis and evaluation of such tumors but is unable to differentiate benign from malignant lesions unless arterial invasion is dete...

journal_title：Radiology

authors： Uflacker R,Amaral NM,Lima S,Wholey M,Pereira EC,Nobrega Filho M,Tavares T

更新日期：1981-05-01 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：PURPOSE:To prospectively evaluate the elastographic appearance of thyroid gland tumors and explore the potential sensitivity and specificity of ultrasonographic (US) elastography for differentiating benign and malignant tumors, with histopathologic analysis as the reference standard. MATERIALS AND METHODS:The study wa...

journal_title：Radiology

authors： Lyshchik A,Higashi T,Asato R,Tanaka S,Ito J,Mai JJ,Pellot-Barakat C,Insana MF,Brill AB,Saga T,Hiraoka M,Togashi K

更新日期：2005-10-01 00:00:00

abstract：:Abdominal computed tomography (CT) scans of 55 patients who had ingested Gastrografin (meglumine diatrizoate and diatrizoate sodium) diluted to 2% with tap water and flavored with a commercial fruit juice base were reviewed. Twenty patients (36%) demonstrated intraluminal precipitation of Gastrografin shown by focal a...

journal_title：Radiology

authors： Ball DS,Radecki PD,Friedman AC,Caroline DF,Mayer DP

更新日期：1986-01-01 00:00:00

abstract：:Sensitivity and specificity of lumbar spine radiography in the assessment of facet joint osteoarthritis were evaluated, with computed tomography (CT) as the standard. Two independent radiologists used a four-point scale to blindly grade facet joint osteoarthritis on oblique radiographs and transaxial CT scans obtained...

journal_title：Radiology

authors： Pathria M,Sartoris DJ,Resnick D

更新日期：1987-07-01 00:00:00

abstract：PURPOSE:To investigate the effect of change in portal venous blood flow rates on the size and shape of ablations created by a 2.45-GHz microwave ablation device. MATERIALS AND METHODS:This study was exempt from review by the institutional animal care and use committee. An in vitro bovine liver model perfused with auto...

journal_title：Radiology

authors： Dodd GD 3rd,Kreidler SM,Lanctot AC,Glueck DH

更新日期：2015-12-01 00:00:00

abstract：:With a standard, image-intensifier-based, digital radiographic system, high-spatial-resolution images of the hand were acquired for analysis of phalangeal bone mineral density with dual x-ray absorptiometry (DXA). Results with phalangeal DXA had precision of plus or minus 0.67% and accuracy of 4.1% and correlated well...

journal_title：Radiology

authors： Gulam M,Thornton MM,Hodsman AB,Holdsworth DW

更新日期：2000-08-01 00:00:00

abstract：:Magnetic resonance (MR) images of 19 patients with histologically proved gallbladder carcinoma were retrospectively reviewed to determine the appearance of the primary tumor, and to assess the ability of MR imaging to demonstrate the various modes of tumor spread beyond the gallbladder. The primary tumor, as well as t...

journal_title：Radiology

authors： Sagoh T,Itoh K,Togashi K,Shibata T,Minami S,Noma S,Yamashita K,Nishimura K,Asato R,Mori K

更新日期：1990-01-01 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：:To investigate the physiologic and histologic responses induced by the self-expanding endovascular prosthesis, rabbits subjected to a combination of high-cholesterol diet and intravascular trauma underwent stent implantation. The results were compared with those obtained with the placement of stents in the healthy aor...

journal_title：Radiology

authors： Rousseau H,Joffre F,Raillat C,Julian M,Pierragi MT,Chalabi F,Bouissou H

更新日期：1989-03-01 00:00:00

abstract：:The cause of superior vena cava syndrome (SVCS) in two patients was identified by means of endovascular biopsy of the superior vena cava (SVC) performed with a percutaneous atherectomy catheter. In both cases, the extracted tissues were neoplastic, therefore obviating additional invasive procedures. After a specific d...

journal_title：Radiology

authors： Dake MD,Zemel G,Dolmatch BL,Katzen BT

更新日期：1990-03-01 00:00:00

abstract：PURPOSE:To quantify inter- and intrascanner conformity in computed tomographic (CT) densitometry of the lungs. MATERIALS AND METHODS:With six scanners from four manufacturers, a lung densitometry protocol with several variations was applied for performance comparison. Phantoms included water, air, and a humanoid thora...

journal_title：Radiology

authors： Kemerink GJ,Lamers RJ,Thelissen GR,van Engelshoven JM

更新日期：1995-12-01 00:00:00

abstract：PURPOSE:To evaluate aortoiliac aneurysms repaired with endovascular stent-grafts complicated by hemodynamically significant graft stenosis. MATERIALS AND METHODS:Fifty-four patients (52 men, two women; age range, 41-90 years; mean age, 75 years) with aneurysms of the infrarenal aorta (n = 36) or iliac artery (n = 18) ...

journal_title：Radiology

authors： Silberzweig JE,Marin ML,Hollier LH,Mitty HA,Parsons RE,Cooper JM,Ahn J

更新日期：1998-10-01 00:00:00

abstract：:The authors have occasionally observed nodular areas abutting the lateral diaphragmatic surface and extending into the posterior pararenal space on computed tomographic (CT) scans. Review of the anatomy literature revealed that this finding represents inferolateral extension of the lateral arcuate ligaments, which ref...

journal_title：Radiology

authors： Silverman PM,Cooper C,Zeman RK

更新日期：1992-10-01 00:00:00

abstract：:Pneumoperitoneum, pneumomediastinum, pneumopericardium and subcutaneous emphysema developed in a patient following simple dental extraction. Other causes of this unusual complication, such as pneumatosis cystoides intestinalis, insufflation of fallopian tubes, pulmonary-peritoneal fistula, post-partum knee-chest exerc...

journal_title：Radiology

authors： Sandler CM,Libshitz HI,Marks G

更新日期：1975-06-01 00:00:00

abstract：:Pseudostenosis of the rectosigmoid colon due to compression by a dilated urinary bladder may pose a diagnostic problem. Although probably quite common, it has not received much attention in the radiological literature. Four cases are presented and the radiological features on barium enema are described. ...

journal_title：Radiology

authors： Kleinhaus U,Kaftori J

更新日期：1978-06-01 00:00:00