Recurrent breast cancer: stereotaxic localization for fine-needle aspiration biopsy. Work in progress.

abstract：PURPOSE:To prospectively identify brain regions in which task-related changes in activation during a memory encoding task, measured with functional magnetic resonance (MR) imaging, correlate with degree of memory impairment across Alzheimer disease (AD), mild cognitive impairment (MCI), and elderly control subjects. M...

journal_title：Radiology

authors： Petrella JR,Wang L,Krishnan S,Slavin MJ,Prince SE,Tran TT,Doraiswamy PM

更新日期：2007-10-01 00:00:00

abstract：:Dilatation of the aortic root, outlined by a periaortic fat layer, was observed in 19 of 25 successive cases of aneurysm of the ascending aorta. In one of these cases the aneurysm was entirely confined to the aortic root. In two other cases the aneurysms could not be detected on standard chest radiographs judged in th...

journal_title：Radiology

authors： Szamosi A

更新日期：1981-03-01 00:00:00

abstract：:To establish strict clinical criteria for reflex sympathetic dystrophy (RSD) of the foot and to characterize any associated scintigraphic pattern, the authors performed three-phase radionuclide bone scanning in 51 patients prospectively referred because RSD was a diagnostic consideration. To establish sensitivity and ...

journal_title：Radiology

authors： Holder LE,Cole LA,Myerson MS

更新日期：1992-08-01 00:00:00

abstract：:Background Previous studies have suggested that texture analysis is a promising tool in the diagnosis, characterization, and assessment of treatment response in various cancer types. Therefore, application of texture analysis may be helpful for early prediction of pathologic response in breast cancer. Purpose To inves...

journal_title：Radiology

authors： Eun NL,Kang D,Son EJ,Park JS,Youk JH,Kim JA,Gweon HM

更新日期：2020-01-01 00:00:00

abstract：PURPOSE:To retrospectively compare the detection and characterization of hepatic perfusion disorder (HPD) associated with focal liver lesions (FLLs) at contrast material-enhanced ultrasonography (US) by using contrast-enhanced computed tomography (CT) as the reference standard. MATERIALS AND METHODS:The study was appr...

journal_title：Radiology

authors： Zhou X,Luo Y,Peng YL,Cai W,Lu Q,Lin L,Sha XX,Li YZ,Zhu M

更新日期：2011-07-01 00:00:00

abstract：:Ten patients with presacral tumors proved by histologic and computed-tomographic investigations underwent ultrasound scanning. The sound beam was directed through the ischial foramen along longitudinal, transverse, and oblique planes. Nine of 10 tumors localized in the sacral fossa were identified sonographically. In ...

journal_title：Radiology

authors： Heckemann R,Wernecke K,Hezel J,Magnus L

更新日期：1983-05-01 00:00:00

abstract：:Although infrequent, esophageal rupture is a serious complication of pneumatic dilatation for the treatment of achalasia. Because of an experience with delayed recognition of esophageal perforation in a patient with achalasia, we now examine the esophagus using a water-soluble contrast medium immediately following eve...

journal_title：Radiology

authors： Stewart ET,Miller WN,Hogan WJ,Dodds WJ

更新日期：1979-03-01 00:00:00

abstract：PURPOSE:To compare conventional and Doppler ultrasound (US) with clinical and biopsy parameters used to assess disease activity and outcome in lupus nephritis and to assess the predictive value of US. MATERIALS AND METHODS:Thirty-four patients with lupus nephritis prospectively underwent laboratory and US analysis at ...

journal_title：Radiology

authors： Platt JF,Rubin JM,Ellis JH

更新日期：1997-04-01 00:00:00

abstract：PURPOSE:To determine the imaging characteristics of infected aortic aneurysms. MATERIALS AND METHODS:Review of records of patients with surgical and/or microbiologic proof of infected aortic aneurysm obtained over a 25-year period revealed 31 aneurysms in 29 patients. This study included 21 men and eight women (mean a...

journal_title：Radiology

authors： Macedo TA,Stanson AW,Oderich GS,Johnson CM,Panneton JM,Tie ML

更新日期：2004-04-01 00:00:00

abstract：:A radionuclide study using technetium-99m-labelled milk feeding is described for the detection of gastroesophageal reflux and aspiration in children. A comparison of findings in 39 patients referred for both radiographic and radionuclide studies showed that barium studies were positive in 25.6% and radionuclide studie...

journal_title：Radiology

authors： Heyman S,Kirkpatrick JA,Winter HS,Treves S

更新日期：1979-05-01 00:00:00

abstract：:Five cases of prolapsing ectopic ureterocele are described. All five patients were boys and all had duplex kidneys; in four cases this duplication was bilateral. There was significant obstructive uropathy in all of the cases. It is easy to overlook the diagnosis of prolapsing ectopic ureterocele or to misdiagnose the ...

journal_title：Radiology

authors： Fenelon MJ,Alton DJ

更新日期：1981-08-01 00:00:00

abstract：:Sixteen patients with progressive diaphyseal dysplasia (PDD) and aged six months to 76 years were examined. Fourteen cases were hereditary, two were not. The progression of the radiologic manifestations in 13 patients who were followed up from 1 to 32 years and the computed tomography (CT) scans from five patients wer...

journal_title：Radiology

authors： Kaftori JK,Kleinhaus U,Naveh Y

更新日期：1987-09-01 00:00:00

abstract：:A new catheter system was designed for percutaneous fragmentation of large pulmonary emboli. The device consists of an impeller rotating at high speed at the center of a self-expandable basket at the tip of a 7-F catheter. The highly flexible catheter was able to reach all tested embolus sites in a glass model of the ...

journal_title：Radiology

authors： Schmitz-Rode T,Günther RW

更新日期：1991-07-01 00:00:00

abstract：PURPOSE:To test whether magnetic resonance (MR) imaging enables accurate measurement of extraction fraction (EF) in swine with unilateral renal ischemia and to evaluate effects of renal arterial stenosis on EF and single-kidney glomerular filtration rate. MATERIALS AND METHODS:High-grade unilateral renal arterial sten...

journal_title：Radiology

authors： Coulam CH,Lee JH,Wedding KL,Spielman DM,Pelc NJ,Kee ST,Hill BB,Bouley DM,Derby GC,Myers BD,Sawyer-Glover AM,Sommer FG

更新日期：2002-04-01 00:00:00

abstract：:The computed tomographic (CT) findings in six patients with periportal tuberculous adenitis were reviewed retrospectively to analyze the main morphologic features of the disease. In all patients, hypodense lymph nodes were observed close to the porta hepatis, with peripheral enhancement seen after administration of co...

journal_title：Radiology

authors： Mathieu D,Ladeb MF,Guigui B,Rousseau M,Vasile N

更新日期：1986-12-01 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：PURPOSE:To evaluate the effect of a computer-aided diagnosis (CAD) system on the diagnostic performance of radiologists for the estimation of the malignancy of pulmonary nodules on thin-section helical computed tomographic (CT) scans. MATERIALS AND METHODS:The institutional review board approved use of the CT database...

journal_title：Radiology

authors： Awai K,Murao K,Ozawa A,Nakayama Y,Nakaura T,Liu D,Kawanaka K,Funama Y,Morishita S,Yamashita Y

更新日期：2006-04-01 00:00:00

abstract：:Radiographs of 45 patients with evidence of acute unilateral ureteral obstruction at intravenous urography, obtained at least 24 hours after injection of contrast material, were retrospectively studied. Vicarious contrast material excretion (VCME) as evidence by gallbladder opacification on delayed radiographs was see...

journal_title：Radiology

authors： Dyer RB,Gilpin JW,Zagoria RJ,Chen MY,Case LD

更新日期：1990-12-01 00:00:00

abstract：PURPOSE:To assess magnetic resonance (MR) imaging of the right atrium by measuring volumes of right atrial casts and determining right atrial volume cycles in healthy subjects. MATERIALS AND METHODS:Fourteen human cadaveric atrial casts were imaged and right atrial volumes of eight subjects were measured with cardiac-...

journal_title：Radiology

authors： Järvinen VM,Kupari MM,Hekali PE,Poutanen VP

更新日期：1994-04-01 00:00:00

abstract：:The T1 and T2 relaxation times of primary tumors of the musculoskeletal system were calculated in 54 patients. No correlation was found between the relaxation values and the histopathologic type of the tumors. Lipoma had the same relaxation characteristics as normal fat. Otherwise tumors could be differentiated from n...

journal_title：Radiology

authors： Pettersson H,Slone RM,Spanier S,Gillespy T 3rd,Fitzsimmons JR,Scott KN

更新日期：1988-06-01 00:00:00

abstract：:Twenty-three patients were prospectively examined with ultrasound (US) for acute or recurrent Achilles tendon symptoms. Three types of pathologic conditions of the Achilles tendon were found: tendinitis/tenosynovitis, acute tendon trauma, and postoperative changes. US appears to enable differentiation of these conditi...

journal_title：Radiology

authors： Blei CL,Nirschl RP,Grant EG

更新日期：1986-06-01 00:00:00

abstract：PURPOSE:To evaluate the vascular anatomy of the prostate gland with transrectal color Doppler ultrasound (US). MATERIALS AND METHODS:Thirty-five normal prostate glands were studied. Imaging findings were interpreted on the basis of findings from previous anatomic studies. RESULTS:Distribution of flow signals within t...

journal_title：Radiology

authors： Neumaier CE,Martinoli C,Derchi LE,Silvestri E,Rosenberg I

更新日期：1995-08-01 00:00:00

abstract：:The authors sought to render projection magnetic resonance (MR) angiograms depicting a substantial length of human coronary arteries from sequential breath-hold two-dimensional MR images. Tomographic images of the right and left anterior descending coronary arteries were collected with use of a segmented gradient-reca...

journal_title：Radiology

authors： Edelman RR,Manning WJ,Pearlman J,Li W

更新日期：1993-06-01 00:00:00

abstract：:Radiographic and bone mineral (BM) data were collected over a three-year period on 195 patients with chronic renal failure. Most women maintained BM on dyalysis, whereas 44% of the men lost BM (p less than 0.05). Following transplantation, 86% of the patients either maintained or restored BM. After parathyroidectomy, ...

journal_title：Radiology

authors： Griffiths HJ,Zimmerman RE,Lazarus M,Lowrie E,Gottlieb MN,Phillips E,Pomerantz K

更新日期：1977-03-01 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：:The lateral C1-2 puncture approach for myelography is a modification of the technique for percutaneous radiofrequency cervical cordotomy. Positioning of the needle in the posterior, rather than anterior, one third of the canal avoids injury to anomalous vertebral artery branches which lie in the anterior half of the n...

journal_title：Radiology

authors： Rice JF,Bathia AL

更新日期：1979-09-01 00:00:00

abstract：:Ultrasound treatment (1.5 W/cm2, 1.9 MHz, C.W.) for 15 minutes either before or after x irradiation reduced the TCD50 of sarcoma-180 by approximately 40% while similar ultrasound treatment for up to 30 minutes did not reduce the TCD50 of the C3HBA mammary adenocarcinoma. Water bath heating (44.5 degrees C for 15 minut...

journal_title：Radiology

authors： Witcofski RL,Kremkau FW

更新日期：1978-06-01 00:00:00

abstract：:Background CT deep learning reconstruction (DLR) algorithms have been developed to remove image noise. How the DLR affects image quality and radiation dose reduction has yet to be fully investigated. Purpose To investigate a DLR algorithm's dose reduction and image quality improvement for pediatric CT. Materials and M...

journal_title：Radiology

authors： Brady SL,Trout AT,Somasundaram E,Anton CG,Li Y,Dillman JR

更新日期：2021-01-01 00:00:00

abstract：PURPOSE:To investigate the potential application of contrast material-enhanced three-dimensional (3D) ultrasonography (US), as compared with contrast-enhanced 3D computed tomography (CT), for characterization of focal liver tumors. MATERIALS AND METHODS:Institutional review board approval and informed patient consent ...

journal_title：Radiology

authors： Luo W,Numata K,Morimoto M,Kondo M,Takebayashi S,Okada M,Morita S,Tanaka K

更新日期：2009-04-01 00:00:00

abstract：:The authors describe a modified Seldinger Technique for sialography which is especially helpful in cannulization of the submandibular ducts. This procedure was successful in 2. of 30 patients tested. ...

journal_title：Radiology

authors： Koch RL,Wade D

更新日期：1977-04-01 00:00:00