Imaging of Brown Adipose Tissue: State of the Art.

abstract：PURPOSE:To determine performance characteristics of transvaginal ultrasonography (US) and hysterosonography for diagnosing endometrial abnormality in asymptomatic postmenopausal women with breast cancer receiving tamoxifen. MATERIALS AND METHODS:The authors prospectively examined 138 women receiving tamoxifen by using...

journal_title：Radiology

authors： Fong K,Kung R,Lytwyn A,Trudeau M,Chapman W,Nugent P,Glanc P,Manchul L,Szabunio D,Myhr T

更新日期：2001-09-01 00:00:00

abstract：:To avoid the disadvantages associated with use of the traditional percutaneous transhepatic cholangiography (PTC) needle in ultrasonically guided percutaneous ethanol injection therapy (PEIT) for hepatocellular carcinoma, the authors developed a needle with a three-sided tip and three holes within 3 mm of the tip. In ...

journal_title：Radiology

authors： Akamatsu K,Miyauchi S,Ito Y,Ohkubo K,Maruyama M

更新日期：1993-01-01 00:00:00

abstract：PURPOSE:To retrospectively evaluate the long-term results of radiofrequency (RF) ablation combined with chemoembolization (combination therapy) as compared with hepatectomy for the treatment of early-stage hepatocellular carcinoma (HCC). MATERIALS AND METHODS:The study was approved by the institutional review board, a...

journal_title：Radiology

authors： Yamakado K,Nakatsuka A,Takaki H,Yokoi H,Usui M,Sakurai H,Isaji S,Shiraki K,Fuke H,Uemoto S,Takeda K

更新日期：2008-04-01 00:00:00

abstract：PURPOSE:To test a neural network in differentiation of benign from malignant solitary pulmonary nodules. MATERIALS AND METHODS:Neural networks were trained and tested on the characteristics of 318 nodules. Predictive accuracy of the network was judged for calibration and discrimination. Network results were compared w...

journal_title：Radiology

authors： Gurney JW,Swensen SJ

更新日期：1995-09-01 00:00:00

abstract：PURPOSE:To evaluate the feasibility of positron emission tomography (PET) with 2-[fluorine-18]-fluoro-2-deoxy-D-glucose (FDG) in patients with germ cell tumor (GCT) to monitor treatment and differentiate residual masses after chemotherapy. MATERIALS AND METHODS:Twenty-six FDG PET studies were performed in 21 patients ...

journal_title：Radiology

authors： Sugawara Y,Zasadny KR,Grossman HB,Francis IR,Clarke MF,Wahl RL

更新日期：1999-04-01 00:00:00

abstract：:Skull scintigraphy was performed in 68 children with suspected craniosynostosis after injection of technetium-99m methylene diphosphonate. The scans demonstrated four patterns of sutural activity: normal, absent, increased, and wide. When correlated with surgical findings, "absent" indicated fused sutures, "increased"...

journal_title：Radiology

authors： Tait MV,Gilday DL,Ash JM,Boldt DJ,Harwood-Nash DC,Fitz CR,Barry J

更新日期：1979-12-01 00:00:00

abstract：:Gray-scale ultrasonography of the thyroid was performed in 33 patients, utilizing a commercially available scanning unit and an aqueous gel coupling medium. Solid and cystic lesions could readily be differentiated, but it was impossible to tell benign lesions from malignant tumors. The ultrasound appearance of thyroid...

journal_title：Radiology

authors： Chilcote WS

更新日期：1976-08-01 00:00:00

abstract：:Tarsal navicular stress fractures are a potential source of disabling foot pain in physically active individuals. The diagnosis of tarsal navicular stress fracture requires a high index of clinical and radiographic suspicion because the fracture is only rarely evident on routine radiographs or standard tomograms. The ...

journal_title：Radiology

authors： Pavlov H,Torg JS,Freiberger RH

更新日期：1983-09-01 00:00:00

abstract：PURPOSE:To determine the diagnostic efficacy of hard- and soft-copy computed radiographic (CR) images versus conventional screen-film images of the chest in the detection of subtle pulmonary abnormalities. MATERIALS AND METHODS:Twenty observes compared 87 hard-copy and soft-copy CR images with hard-copy screen-film im...

journal_title：Radiology

authors： Ishigaki T,Endo T,Ikeda M,Kono M,Yoshida S,Ikezoe J,Murata K,Matsumoto M

更新日期：1996-10-01 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：PURPOSE:To prospectively determine sensitivity and specificity of breast magnetic resonance (MR) imaging in a screening and symptomatic population by using independent double reading, with histologic or cytologic results or a minimum 18-month follow-up as the standard. MATERIALS AND METHODS:Informed consent and ethica...

journal_title：Radiology

authors： Warren RM,Pointon L,Thompson D,Hoff R,Gilbert FJ,Padhani A,Easton D,Lakhani SR,Leach MO,UK Magnetic Resonance Imaging in Breast Screening (MARIBS) Study Group.

更新日期：2005-09-01 00:00:00

abstract：PURPOSE:To categorize errors in interpretation of magnetic resonance (MR) images of the knee and explain the discrepancy between MR imaging and diagnostic arthroscopic findings. MATERIALS AND METHODS:Five hundred sixty-one patients underwent arthroscopy and MR imaging of the knee. Prospective and retrospective reading...

journal_title：Radiology

authors： Justice WW,Quinn SF

更新日期：1995-09-01 00:00:00

abstract：:Purpose To study the feasibility and impact of respiratory gating in positron emission tomographic (PET) imaging in a clinical trial comparing conventional hardware-based gating with a data-driven approach and to describe the distribution of determined parameters. Materials and Methods This prospective study was appro...

journal_title：Radiology

authors： Büther F,Vehren T,Schäfers KP,Schäfers M

更新日期：2016-10-01 00:00:00

abstract：PURPOSE:To evaluate the effect of computer-aided diagnosis (CAD) on radiologists' detection of pulmonary nodules. MATERIALS AND METHODS:Fifty chest computed tomographic (CT) examination cases were used. The mean nodule size was 0.81 cm +/- 0.60 (SD) (range, 0.3-2.9 cm). Alternative free-response receiver operating cha...

journal_title：Radiology

authors： Awai K,Murao K,Ozawa A,Komi M,Hayakawa H,Hori S,Nishimura Y

更新日期：2004-02-01 00:00:00

abstract：:Otosclerosis (otospongiosis) is a primary focal disease of the labyrinthine capsule. The stapes footplate is fixed when the spongiotic focus expands and invades the oval window. Persons with stapedial otosclerosis experience a progressive conductive hearing loss. In many cases, cochlear degeneration is observed, in wh...

journal_title：Radiology

authors： Mafee MF,Henrikson GC,Deitch RL,Norouzi P,Kumar A,Kriz R,Valvassori GE

更新日期：1985-09-01 00:00:00

abstract：:A system for computerized processing of video image series was utilized for the real-time digitization of arteriograms. There were 256 x 256 picture elements (pixels) per image with a resolution of 256 gray levels. Temporal changes in x-ray absorption at each pixel as induced by contrast media were computed for the ex...

journal_title：Radiology

authors： Bürsch JH,Hahne HJ,Brennecke R,Grönemeier D,Heintzen PH

更新日期：1981-10-01 00:00:00

abstract：:Self-expanding metallic stents of a modified Gianturco design were used for palliative treatment of malignant esophagogastric strictures. Over a 10-month period, 10 stents were placed in nine patients. All patients with severe dysphagia due to malignant strictures in whom all other treatment options had failed were ca...

journal_title：Radiology

authors： Song HY,Choi KC,Cho BH,Ahn DS,Kim KS

更新日期：1991-08-01 00:00:00

abstract：:The author reviews the regulatory process through which new cardiovascular interventional devices reach the hands of the interventional radiologist and the cardiologist. The marketing mechanisms are outlined, as are the data requirements. The reader is taken step-by-step from device investigation conducted under an ap...

journal_title：Radiology

authors： Reamer LA

更新日期：1990-03-01 00:00:00

abstract：:The ability of magnetic resonance (MR) imaging to detect and distinguish various stages of obstruction in the canine kidney was investigated. MR images were obtained at acute, subacute, and chronic stages of experimentally produced hydronephrosis. The renal cortex was distinguished from the renal medulla in the normal...

journal_title：Radiology

authors： Thickman D,Kundel H,Biery D

更新日期：1984-07-01 00:00:00

abstract：:Preliminary work has shown that normal lungs have predictable CT patterns and density ranges. In emphysema, there are irregular zones of extremely low density as well as an overall low mean density. CT appears to have considerable potential for early detection of pulmonary emphysema and characterization of the degree ...

journal_title：Radiology

authors： Rosenblum LJ,Mauceri RA,Wellenstein DE,Bassano DA,Cohen WN,Heitzman ER

更新日期：1978-11-01 00:00:00

abstract：:The relation of liver fat content to CT number was studied in 20 rabbits (17 experimental, 3 control), where fatty degeneration was produced by carbon tetrachloride (CCl4) ingestion. Liver scanning was performed before and 2--5 days after CCl4 administration.. Changes (decrease) in CT number were compared with triglyc...

journal_title：Radiology

authors： Ducommun JC,Goldberg HI,Korobkin M,Moss AA,Kressel HY

更新日期：1979-02-01 00:00:00

abstract：:Internal contamination by 131I among the personnel in a nuclear medicine laboratory was surveyed from January to July, 1979. Because of the formulation change made by the manufacturer in April to reduce volatility, it was possible to study two different therapeutic solutions of 131I. Internal contamination of personne...

journal_title：Radiology

authors： Nishiyama H,Lukes SJ,Mayfield G,Grossman LW

更新日期：1980-12-01 00:00:00

abstract：PURPOSE:To determine the diagnostic accuracy of ultrasonographically (US) and stereotactically guided fine-needle aspiration biopsy (FNAB) in the diagnosis of nonpalpable breast lesions. MATERIALS AND METHODS:At 18 institutions, 442 women who underwent 22-25-gauge imaging-guided FNAB were enrolled. Definitive surgical...

journal_title：Radiology

authors： Pisano ED,Fajardo LL,Caudry DJ,Sneige N,Frable WJ,Berg WA,Tocino I,Schnitt SJ,Connolly JL,Gatsonis CA,McNeil BJ

更新日期：2001-06-01 00:00:00

abstract：:We performed 32 overpressure radionuclide cisternography (ORNC) studies to examine 26 patients who were clinically suspected of having cerebrospinal fluid (CSF) fistula with rhinorrhea. Fifteen (47%) of these cisternography studies were positive, and the site of the leak was identified. No leak could be demonstrated i...

journal_title：Radiology

authors： Curnes JT,Vincent LM,Kowalsky RJ,McCartney WH,Staab EV

更新日期：1985-03-01 00:00:00

abstract：:An unusual case of unintentional release of a spring coil into the superior mesenteric artery is reported. The coil migrated distally into the ileocolic artery, and the situation was successfully resolved by retrieval of the coil with grasping forceps. ...

journal_title：Radiology

authors： Vujic I,Moore L,McWey RE

更新日期：1986-08-01 00:00:00

abstract：:Digital subtraction angiography (DSA) using a 41-cm (16-in.) image intensifier was performed in 144 patients with peripheral vascular insufficiency. In most cases the entire peripheral vascular bed from the renal arteries to the popliteal trifurcation was demonstrated with four intravenous injections and four exposed ...

journal_title：Radiology

authors： Passariello R,Rossi P,Simonetti G,Tempesta P,Pavone P,Castrucci M,McBride K

更新日期：1983-12-01 00:00:00

abstract：PURPOSE:To report the authors' initial experience in treating patients with wide-neck aneurysms with assistance from a recently developed neck-bridge device (TriSpan; Target Therapeutics/Boston Scientific, Fremont, Calif). MATERIALS AND METHODS:Twenty-five patients were examined. Aneurysms were most frequently at the ...

journal_title：Radiology

authors： Raymond J,Guilbert F,Roy D

更新日期：2001-11-01 00:00:00

abstract：:The National Electrical Manufacturers Association (NEMA) has established a new standard for x-ray tube focal-spot measurements using a focal-spot camera with a slit instead of a pinhole. Measurements from the slit focal-spot camera are compared and star resolution pattern techniques for 50 focal spots. In addition, me...

journal_title：Radiology

authors： Everson JD,Gray JE

更新日期：1987-10-01 00:00:00

abstract：:A variation in ossification of the acromial process of the scapula is described. Postmortem radiographs, obtained in 78 infants who died of sudden infant death syndrome, showed an ossific opacity adjacent to the acromial process in 10 infants (13%). This finding was noted bilaterally in six patients and unilaterally i...

journal_title：Radiology

authors： Kleinman PK,Spevak MR

更新日期：1991-07-01 00:00:00

abstract：:When a 30-minute infusion is chosen for intravenous cholangiography, the optimal dose in subjects with normal and decreased hepatic function seems to be 0.6 ml/kg iodipamide. Delayed visualization of the ducts and gallbladder occurs in hepatic dysfunction, therefore, radiographs should be taken up to eight hours after...

journal_title：Radiology

authors： Burgener FA,Fischer HW

更新日期：1975-03-01 00:00:00