Digital tomosynthesis in breast imaging.

abstract：PURPOSE:To determine diagnostic accuracy of four-channel multi-detector row computed tomography (CT) in emergency room and inpatient populations suspected of having acute pulmonary embolism (PE) who prospectively underwent both CT and pulmonary arteriography (PA). MATERIALS AND METHODS:Patients referred for PA to asse...

journal_title：Radiology

authors： Winer-Muram HT,Rydberg J,Johnson MS,Tarver RD,Williams MD,Shah H,Namyslowski J,Conces D,Jennings SG,Ying J,Trerotola SO,Kopecky KK

更新日期：2004-12-01 00:00:00

abstract：:Gas within embolized, uninfected tumors has been ascribed to either carbon dioxide produced through anaerobic reticulocyte metabolism or oxygen release from oxyhemoglobin. An alternative hypothesis explaining the presence of gas within embolized, uninfected tumors, namely, that gas is introduced during the embolizatio...

journal_title：Radiology

authors： Carroll BA,Walter JF

更新日期：1983-05-01 00:00:00

abstract：:Computed tomography (CT) is widely used to assess patients with nonspecific abdominal pain or who are suspected of having colitis. The authors recommend multidetector CT with oral, rectal, and intravenous contrast material and thin sections, which can accurately demonstrate inflammatory changes in the colonic wall and...

journal_title：Radiology

authors： Thoeni RF,Cello JP

更新日期：2006-09-01 00:00:00

abstract：:To improve the efficiency of magnetic resonance imaging of the total spine, the authors developed a coil holder and marker system to accurately localize the level of the spine imaged. The patient's external auditory canal and the alignment light on the imager are lined up with marks on the coil holder. The spine is th...

journal_title：Radiology

authors： Abrahams JJ,Lange RC

更新日期：1989-09-01 00:00:00

abstract：:To assess the reliability of sonography in the detection of absence of invasion of the carotid artery by tumor, high-resolution ultrasound, surgical, and pathologic findings were prospectively evaluated in 24 patients with disease metastatic to the neck. Sonography performed with 5- and 10-MHz transducers had a sensit...

journal_title：Radiology

authors： Gooding GA,Langman AW,Dillon WP,Kaplan MJ

更新日期：1989-05-01 00:00:00

abstract：:A simplified method for constructing a custom-made mold to hold radium for intracavitary radiation therapy of recurrent nasopharyngeal carcinoma was developed. The technique for fabrication and insertion of the mold in a single operative procedure is described. Computer dose distributions were obtained and the applica...

journal_title：Radiology

authors： Smith HS,Lapinski MV,Barr CE

更新日期：1979-05-01 00:00:00

abstract：PURPOSE:To evaluate the usefulness of a radiographic system with monochromatic synchrotron radiation to depict small vessels and peripheral secretory ducts. MATERIALS AND METHODS:Radiography of various organs was tested in 14 anesthetized dogs and pancreatography was performed in an excised human pancreas by using the...

journal_title：Radiology

authors： Mori H,Hyodo K,Tanaka E,Uddin-Mohammed M,Yamakawa A,Shinozaki Y,Nakazawa H,Tanaka Y,Sekka T,Iwata Y,Handa S,Umetani K,Ueki H,Yokoyama T,Tanioka K,Kubota M,Hosaka H,Ishikawa N,Ando M

更新日期：1996-10-01 00:00:00

abstract：:Magnetic resonance (MR) imaging of the temporomandibular joint was performed in two subjects using a 1.5 T experimental imaging system equipped with a 6.5 cm surface coil antenna. Normal and pathologic anatomy were demonstrated with exquisite detail. Anterior displacement of the joint meniscus was clearly visible in t...

journal_title：Radiology

authors： Roberts D,Schenck J,Joseph P,Foster T,Hart H,Pettigrew J,Kundel HL,Edelstein W,Haber B

更新日期：1985-03-01 00:00:00

abstract：:Forty-two patients underwent intraarterial digital subtraction angiography (DSA) of the carotid or renal arteries, utilizing a new 4-F aortic flush catheter; 37 procedures were percutaneous transbrachial, five were percutaneous transfemoral. Image quality was consistently good or excellent. The safety of nonselective ...

journal_title：Radiology

authors： Becker GJ,Hicks ME,Holden RW,Edwards MK,Jackson VP,Bendick PJ

更新日期：1984-12-01 00:00:00

abstract：PURPOSE:To determine the risk of emergent dialysis and short-term mortality following intravenous iodinated contrast material exposure. MATERIALS AND METHODS:This single-center retrospective study was HIPAA compliant and institutional review board approved. All contrast material-enhanced (contrast group) and unenhance...

journal_title：Radiology

authors： McDonald RJ,McDonald JS,Carter RE,Hartman RP,Katzberg RW,Kallmes DF,Williamson EE

更新日期：2014-12-01 00:00:00

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：PURPOSE:To evaluate the diagnostic usefulness of the combined application of 2-[fluorine-18]fluoro-2-deoxy-D-glucose (FDG; for the evaluation of soft tissue) and [F-18]fluoride (for the evaluation of the skeleton) in positron emission tomography (PET) of cancer. MATERIALS AND METHODS:Sixty consecutive patients (23 wom...

journal_title：Radiology

authors： Hoegerle S,Juengling F,Otte A,Altehoefer C,Moser EA,Nitzsche EU

更新日期：1998-10-01 00:00:00

abstract：PURPOSE:To investigate the effect of variations in anatomic features of the circle of Willis on the perfusion territory to deep structures, including the nucleus caudatus, the nucleus lentiformis, and the thalamus. MATERIALS AND METHODS:The ethics committee of the study institution approved the study protocol. A total...

journal_title：Radiology

authors： Hendrikse J,Petersen ET,Chng SM,Venketasubramanian N,Golay X

更新日期：2010-03-01 00:00:00

abstract：:One hundred thirty patients with a diversity of knee joint injuries were evaluated with a high-resolution magnetic resonance (MR) imaging technique. The authors report the accuracy of this technique in the evaluation of 105 patients with suspected meniscal tears, 26 patients with suspected cruciate ligament tears, and...

journal_title：Radiology

authors： Reicher MA,Hartzman S,Bassett LW,Mandelbaum B,Duckwiler G,Gold RH

更新日期：1987-02-01 00:00:00

abstract：PURPOSE:To evaluate the test performance of magnetic resonance (MR) cholangiography for help in diagnosing choledocholithiasis. MATERIALS AND METHODS:Fast spin-echo MR cholangiography was performed by using a torso multicoil array in 110 patients suspected of having bile duct obstruction. Axial and coronal images were...

journal_title：Radiology

authors： Reinhold C,Taourel P,Bret PM,Cortas GA,Mehta SN,Barkun AN,Wang L,Tafazoli F

更新日期：1998-11-01 00:00:00

abstract：:Upon review, 25 cases of Brodie abscess demonstrated a radiological spectrum not previously appreciated. One third of the lesions were diaphyseal in location, and 50% had associated cortical thickening, while 40% showed a stimulated periosteal reaction, and 20% contained sequestra. The variable radiological appearance...

journal_title：Radiology

authors： Miller WB Jr,Murphy WA,Gilula LA

更新日期：1979-07-01 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：:The authors used a gantry tilt of 20 degrees in five patients to allow fine-needle aspiration biopsy of peripheral pulmonary lesions that were difficult to approach with a vertical alignment because of overlying ribs. This method allowed a direct approach to the lesion in all five cases, with the entire needle path vi...

journal_title：Radiology

authors： Stern EJ,Webb WR,Gamsu G

更新日期：1993-06-01 00:00:00

abstract：PURPOSE:To retrospectively evaluate the long-term effectiveness of percutaneous transhepatic balloon dilation of portal venous stenosis in patients who have undergone living donor liver transplantation. MATERIALS AND METHODS:Institutional review board approval and informed consent were not required. From June 1996 to ...

journal_title：Radiology

authors： Shibata T,Itoh K,Kubo T,Maetani Y,Shibata T,Togashi K,Tanaka K

更新日期：2005-06-01 00:00:00

abstract：PURPOSE:Quantification of regional cerebral blood flow (rCBF) and volume (rCBV) with dynamic magnetic resonance (MR) imaging. MATERIALS AND METHODS:After bolus administration of a paramagnetic contrast medium, rapid T2*-weighted gradient-echo images of two sections were acquired for the simultaneous creation of concen...

journal_title：Radiology

authors： Rempp KA,Brix G,Wenz F,Becker CR,Gückel F,Lorenz WJ

更新日期：1994-12-01 00:00:00

abstract：:Purpose To validate accuracy of diagnosis of developmental dysplasia of the hip (DDH) from geometric properties of acetabular shape extracted from three-dimensional (3D) ultrasonography (US). Materials and Methods In this retrospective multi-institutional study, 3D US was added to conventional two-dimensional (2D) US ...

journal_title：Radiology

authors： Zonoobi D,Hareendranathan A,Mostofi E,Mabee M,Pasha S,Cobzas D,Rao P,Dulai SK,Kapur J,Jaremko JL

更新日期：2018-06-01 00:00:00

abstract：:The small digital computer is becoming ever more powerful, reliable, and inexpensive. Diagnostic radiology and the computer are becoming more intertwined. During the past decade, computed tomography (CT) has achieved outstanding success. CT and other digital image systems that are capable of computer manipulation, sto...

journal_title：Radiology

authors： Barnhard HJ,Lane GB

更新日期：1982-11-01 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：:Kimray-Greenfield filters were inserted percutaneously into the inferior vena cava (IVC) in 57 patients. Thirty-six were placed from the right femoral vein, 14 from the left femoral vein, and seven from the right internal jugular vein. There were no deaths or major complications and only six minor complications. Infer...

journal_title：Radiology

authors： Pais SO,Mirvis SE,De Orchis DF

更新日期：1987-11-01 00:00:00

abstract：:A new method of diagnosing myocardial contusion was studied in 8 patients in whom the injured mycardium was visualized as an abnormal area of increased activity in the region of the heart one hour after intravenous injection of 10 mCi of 99m-Tc-Sn-polyphosphate or pyrophosphate. Serum enzymes in these patients were el...

journal_title：Radiology

authors： Go RT,Doty BD,Chiu CL,Christie JH

更新日期：1975-07-01 00:00:00

abstract：:Purpose To investigate whether nonhemodynamic resonant saturation effects can be detected in patients with focal epilepsy by using a phase-cycled stimulus-induced rotary saturation (PC-SIRS) approach with spin-lock (SL) preparation and whether they colocalize with the seizure onset zone and surface interictal epilepti...

journal_title：Radiology

authors： Kiefer C,Abela E,Schindler K,Wiest R

更新日期：2016-07-01 00:00:00

abstract：PURPOSE:To demonstrate the variety and recurrence patterns of severe arterial and venous thromboembolic events that occur in patients with the antiphospholipid syndrome. MATERIALS AND METHODS:Radiology records were reviewed in 800 of 1,633 patients with positive test results of antiphospholipid syndrome. Patients with...

journal_title：Radiology

authors： Insko EK,Haskal ZJ

更新日期：1997-02-01 00:00:00

abstract：:It is usually easy to distinguish the round nipple shadow from a lesion, especially by means of repeat radiographs with nipple markers. However, the radiologist must occasionally interpret a round density in the lower chest on the basis of a single radiograph or series of radiographs. Fortunately, a nipple shadow usua...

journal_title：Radiology

authors： Ferris RA,White AF

更新日期：1976-11-01 00:00:00

abstract：:Pleural disease is an unusual manifestation of childhood leukemia. Three cases are presented which illustrate a definite association between leukemia and pleural thickening. In two patients, there was bilateral diffuse pleural thickening and, in the other, there were unilateral pleural-based masses. Pleural disease ma...

journal_title：Radiology

authors： Siegel MJ,Shackelford GD,McAlister WH

更新日期：1981-02-01 00:00:00

abstract：:A basic understanding of shock wave generation is essential for the radiologist who performs gallstone lithotripsy. Shock waves differ from ordinary acoustic waves in that they have a rapid rise time, a positive pressure component that gives rise to compressive forces approaching 1,000 atm, and a low-amplitude sustain...

journal_title：Radiology

authors： Davros WJ,Garra BS,Zeman RK

更新日期：1991-02-01 00:00:00