Ileal lymphatic metastases from cecal carcinoma.

abstract：:Bronchial webs are rare lesions which often go unrecognized. The authors describe a patient who presented with right-lower-lobe bronchiectasis and at-electasis secondary to a web in the right-lower-lobe bronchus. This is the first known instance where such a lesion has been demonstrated by bronchography. The etiology ...

journal_title：Radiology

authors： Patronas NJ,MacMahon H,Variakojis D

更新日期：1976-12-01 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：:Radionuclide findings in a case of cavernous sinus occlusion by an intracavernous aneurysm are described. A brain image obtained 10 minutes after injection of 99Tc pertechnetate shows diminished activity in the area of the right cavernous sinus and increased activity in the area of the right sylvian veins; these are a...

journal_title：Radiology

authors： Hahn FJ,Schapiro RL

更新日期：1976-01-01 00:00:00

abstract：:A technique for automatic retrospective correction of motion artifacts on magnetic resonance (MR) images was developed that uses only the raw (complex) data from the MR imager and requires no knowledge of patient motion during the acquisition. The algorithm was tested on coronal images of the rotator cuff in a series ...

journal_title：Radiology

authors： Manduca A,McGee KP,Welch EB,Felmlee JP,Grimm RC,Ehman RL

更新日期：2000-06-01 00:00:00

abstract：PURPOSE:To evaluate the diagnostic performance of coronary computed tomographic (CT) angiography for the diagnosis of mitral valve prolapse (MVP). MATERIALS AND METHODS:The retrospective case-controlled multicenter study protocol was approved by the institutional review boards. The U.S. part of the study was HIPAA com...

journal_title：Radiology

authors： Feuchtner GM,Alkadhi H,Karlo C,Sarwar A,Meier A,Dichtl W,Leschka S,Blankstein R,Gruenenfelder J,Stolzmann P,Cury RC

更新日期：2010-02-01 00:00:00

abstract：PURPOSE:To assess the accuracy of three-dimensional, Fourier transform, time-of-flight magnetic resonance (MR) angiography in the detection of intracranial steno-occlusive diseases. MATERIALS AND METHODS:One hundred thirty-one patients (62 male and 69 female patients, aged 6-77 years [mean, 53 years 8 months]) underwe...

journal_title：Radiology

authors： Korogi Y,Takahashi M,Mabuchi N,Miki H,Shiga H,Watabe T,O'Uchi T,Nakagawa T,Horikawa Y,Fujiwara S

更新日期：1994-10-01 00:00:00

abstract：:The measurement of supine pedal venous pressure as a screening test for deep venous thrombosis is re-evaluated. In 83 extremities studied in 50 patients, the false-positive rate was 62%, the false-negative rate 8%. Chronic venous disease, whatever its etiology but particularly in association with the post-phlebitis sy...

journal_title：Radiology

authors： Martin EC,Cohen L,Sawyer PN,Gordon DH

更新日期：1979-04-01 00:00:00

abstract：:The goals of reconstructive surgery for scaphoid fracture nonunions include restoration of normal scaphoid length and shape by use of the contralateral scaphoid bone as a geometric model. A literature search revealed limited documentation of normal biometric measurements and no validation of scaphoid anatomic symmetry...

journal_title：Radiology

authors： Smith DK

更新日期：1993-04-01 00:00:00

abstract：:Ultrafast computed tomographic (CT) evaluation of the airway can be performed with either 50-msec low-resolution images (cine CT) or 100-msec high-resolution images (high-resolution CT). To determine the best imaging strategy for ultrafast CT of the pediatric airway, the authors prospectively compared ultrafast CT and...

journal_title：Radiology

authors： Brody AS,Kuhn JP,Seidel FG,Brodsky LS

更新日期：1991-01-01 00:00:00

abstract：:Computer-controlled graphic displays are a necessity in many nuclear medicine studies. The authors propose using a set-up consisting of three modules: (a) a display system based on television technology; (b) an instrument interface employing list mode and having a low information loss rate; and (c) flexible modular so...

journal_title：Radiology

authors： Noz ME,Schimpf JH,Maguire GQ Jr

更新日期：1977-09-01 00:00:00

abstract：PURPOSE:To determine whether an expression vector that encodes for human tyrosinase, the key enzyme in the melanin production pathway, can be used to image gene expression with magnetic resonance (MR) imaging and scintigraphy. MATERIALS AND METHODS:Mouse fibroblasts and human embryonal kidney cells were transfected wi...

journal_title：Radiology

authors： Weissleder R,Simonova M,Bogdanova A,Bredow S,Enochs WS,Bogdanov A Jr

更新日期：1997-08-01 00:00:00

abstract：PURPOSE:To prospectively determine if kinematic magnetic resonance (MR) imaging of the knee may demonstrate displacement of menisci with tears and, if so, to characterize displaceable and nondisplaceable meniscal tears. MATERIALS AND METHODS:The study was approved by the hospital's review board, and informed consent w...

journal_title：Radiology

authors： Boxheimer L,Lutz AM,Zanetti M,Treiber K,Labler L,Marincek B,Weishaupt D

更新日期：2006-01-01 00:00:00

abstract：PURPOSE:To assess retrospectively the incidence, clinical features, and treatment of colonic perforation at computed tomographic (CT) colonography in a large multicenter cohort. MATERIALS AND METHODS:The study was performed in accordance with the institutional ethics committees' requirements of a retrospective review ...

journal_title：Radiology

authors： Sosna J,Blachar A,Amitai M,Barmeir E,Peled N,Goldberg SN,Bar-Ziv J

更新日期：2006-05-01 00:00:00

abstract：PURPOSE:To determine whether any initial reductions in cardiovascular reserve (CVR) normalize after carotid revascularization and-because reduced CVR represents a risk factor for ischemic events-whether patients who develop periinterventional infarction have more severely reduced pretreatment CVR than those who do not....

journal_title：Radiology

authors： Haller S,Bonati LH,Rick J,Klarhöfer M,Speck O,Lyrer PA,Bilecen D,Engelter ST,Wetzel SG

更新日期：2008-10-01 00:00:00

abstract：PURPOSE:To prospectively evaluate the accuracy of contrast material-enhanced magnetic resonance (MR) angiography in the evaluation of vascular invasion by bone and soft-tissue tumors, with surgery serving as the reference standard. MATERIALS AND METHODS:This study was approved by the regional ethics committee, and all...

journal_title：Radiology

authors： Feydy A,Anract P,Tomeno B,Chevrot A,Drapé JL

更新日期：2006-02-01 00:00:00

abstract：:In induced bleeding experiments on dogs, 99mTc-sulfur colloid was a suitable agent for detecting the bleeding site in the small intestine, providing that the site was distant from the liver and spleen. Bleeding sites were detectable at rates as low as 0.1 ml/min. When induced in the sigmoid or descending colon, the si...

journal_title：Radiology

authors： Alavi A,Dann RW,Baum S,Biery DN

更新日期：1977-09-01 00:00:00

abstract：PURPOSE:To analyze difficult diagnostic cases of malrotation to identify features crucial to accurate diagnosis. MATERIALS AND METHODS:The authors reviewed the radiographs and records of 81 symptomatic children who underwent surgery with a preoperative diagnosis of malrotation. Eleven had subtle rotational abnormaliti...

journal_title：Radiology

authors： Long FR,Kramer SS,Markowitz RI,Taylor GE,Liacouras CA

更新日期：1996-03-01 00:00:00

abstract：PURPOSE:To evaluate the performance of a low-b-value diffusion-weighted (DW) echo-planar (EP) imaging sequence for detection of regional and diffuse myocardial edema in patients with acute myocarditis. MATERIALS AND METHODS:This study was approved by the institutional review board, and informed consent was obtained fr...

journal_title：Radiology

authors： Potet J,Rahmouni A,Mayer J,Vignaud A,Lim P,Luciani A,Dubois-Randé JL,Kobeiter H,Deux JF

更新日期：2013-11-01 00:00:00

abstract：PURPOSE:To determine the appropriate radiologic criteria of metastatic retropharyngeal lymph nodes (RLNs) in patients with nasopharyngeal carcinoma (NPC). MATERIALS AND METHODS:After institutional review board approval and informed consent, 303 consecutive NPC patients treated with definitive radiation therapy were ex...

journal_title：Radiology

authors： Zhang GY,Liu LZ,Wei WH,Deng YM,Li YZ,Liu XW

更新日期：2010-05-01 00:00:00

abstract：:Ten of 152 (7%) consecutive breast cancer patients who underwent excisional biopsy and radiation therapy developed suspect microcalcifications at the biopsy site. All ten patients underwent reexcision. Seventeen other patients developed scattered, coarse, benign macrocalcifications that have remained stable as determi...

journal_title：Radiology

authors： Rebner M,Pennes DR,Adler DD,Helvie MA,Lichter AS

更新日期：1989-03-01 00:00:00

abstract：PURPOSE:To retrospectively determine if the use of a computer-aided detection (CAD) system can improve the performance of single reading of screening mammograms to match that of double reading in the United Kingdom. MATERIALS AND METHODS:Local research ethics committee approval was obtained; informed consent was not r...

journal_title：Radiology

authors： Gilbert FJ,Astley SM,McGee MA,Gillan MG,Boggis CR,Griffiths PM,Duffy SW

更新日期：2006-10-01 00:00:00

abstract：:Shaped filters that are constructed of lead-loaded acrylic material for use in patient radiography are discussed. Use of the filters will result in improved overall image quality with significant exposure reduction to the patient (approximately a 2X reduction in breast exposure and a 3X reduction in thyroid gland expo...

journal_title：Radiology

authors： Gray JE,Stears JG,Frank ED

更新日期：1983-03-01 00:00:00

abstract：PURPOSE:To determine the transvaginal hysterosonographic appearances of benign and malignant endometrial disease. MATERIALS AND METHODS:From April 11, 1994, through August 1, 1996, a total of 88 women (age range, 25-81 years) underwent transvaginal hysterosonography and histopathologic evaluation of the endometrium af...

journal_title：Radiology

authors： Dubinsky TJ,Stroehlein K,Abu-Ghazzeh Y,Parvey HR,Maklad N

更新日期：1999-02-01 00:00:00

abstract：:The diagnosis of lumbar nerve root entrapment was made by sector computed tomography (CT) scanning in 25 patients whose myelograms were normal at the site of the CT scan abnormalities. Sector CT scanning demonstrates preoperatively which neural foramina are narrow. This information, correlated with the patient's histo...

journal_title：Radiology

authors： Risius B,Modic MT,Hardy RW Jr,Duchesneau PM,Weinstein MA

更新日期：1982-04-01 00:00:00

abstract：PURPOSE:To prospectively evaluate the sensitivity and specificity of integrated fluorine 18 fluorodeoxyglucose (FDG) positron emission tomography (PET) and computed tomography (CT) (PET/CT) for the preoperative diagnosis of mediastinal nodal metastasis in stage T1 non-small cell lung cancer (NSCLC), with surgical and h...

journal_title：Radiology

authors： Kim BT,Lee KS,Shim SS,Choi JY,Kwon OJ,Kim H,Shim YM,Kim J,Kim S

更新日期：2006-11-01 00:00:00

abstract：:A number of surgical clips and other metallic materials embedded within patients have ferromagnetic properties that present a potential hazard when in the strong fields associated with magnetic resonance imaging. Several types of magnetometers and metal detectors were investigated as possible pre-imaging screening dev...

journal_title：Radiology

authors： Finn EJ,Di Chiro G,Brooks RA,Sato S

更新日期：1985-07-01 00:00:00

abstract：:In vivo sodium magnetic resonance (MR) images of various structures--such as the heart, chest wall, kidneys, spine, liver, gallbladder, breasts, knees, hands, and feet--were obtained at 1.9 T. Improved sensitivity relative to standard spin-echo imaging was achieved with use of a modified three-dimensional acquisition ...

journal_title：Radiology

authors： Granot J

更新日期：1988-05-01 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：PURPOSE:To examine relationships between brain white matter hyperintensities depicted at magnetic resonance (MR) imaging and performance on neuropsychologic tests in community-dwelling elderly adults. MATERIALS AND METHODS:The 1921 Aberdeen Birth Cohort is a subsample of survivors of the Scottish Mental Survey of 1932...

journal_title：Radiology

authors： Leaper SA,Murray AD,Lemmon HA,Staff RT,Deary IJ,Crawford JR,Whalley LJ

更新日期：2001-10-01 00:00:00

abstract：PURPOSE:To evaluate the feasibility of magnetic resonance (MR) imaging-guided placement of an active vena cava filter (AVCF) in a swine model, the effectiveness of the system in filtering thrombi, and the detection of thrombi with MR imaging. MATERIALS AND METHODS:This study was approved by the government committee on...

journal_title：Radiology

authors： Kraemer NA,Immel E,Donker HC,Melzer A,Ocklenburg C,Guenther RW,Buecker A,Krombach GA,Spuentrup E

更新日期：2011-02-01 00:00:00