Persistent low back pain in patients suspected of having herniated nucleus pulposus: radiologic predictors of functional outcome--implications for treatment selection.

abstract：PURPOSE:To compare the performance of pelvic phased-array (PPA) coils and integrated endorectal PPA coils in evaluation of local extent of prostate cancer. MATERIALS AND METHODS:Seventy-one men underwent magnetic resonance (MR) imaging within 3 weeks of radical prostatectomy. MR findings of tumor, extracapsular extens...

journal_title：Radiology

authors： Hricak H,White S,Vigneron D,Kurhanewicz J,Kosco A,Levin D,Weiss J,Narayan P,Carroll PR

更新日期：1994-12-01 00:00:00

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 results of treatment for recurrent cancer at the tracheal stoma have been poor. From 1971 to 1976, elective postoperative irradiation of the neck was given to 26 high-risk patients with carcinoma of the larynx and hypopharynx. None of the 22 patients whose stomas were irradiated developed stomal or peristomal recu...

journal_title：Radiology

authors： Tong D,Moss WT,Stevens KR Jr

更新日期：1977-09-01 00:00:00

abstract：PURPOSE:To prospectively determine the accuracy of 64-section computed tomographic (CT) angiography for the depiction of coronary artery disease (CAD) that induces perfusion defects at myocardial perfusion imaging with single photon emission computed tomography (SPECT), by using myocardial perfusion imaging as the refe...

journal_title：Radiology

authors： Gaemperli O,Schepis T,Valenta I,Koepfli P,Husmann L,Scheffel H,Leschka S,Eberli FR,Luscher TF,Alkadhi H,Kaufmann PA

更新日期：2008-08-01 00:00:00

abstract：:Five infants with intrathoracic transdiaphragmatic duplication cysts are presented. Diagnosis was possible from the combination of several features on plain chest radiographs: (a) right-sided cystic areas lying posteriorly in the chest, (b) lower cervical or upper dorsal spinal dysraphism, and (c) unusual gas collecti...

journal_title：Radiology

authors： Hall CM

更新日期：1979-06-01 00:00:00

abstract：:It has recently been suggested that the resistive index (RI) in native kidneys of healthy children is age dependent; however, this relationship has not been completely defined or explained. In 110 kidneys in 71 healthy children aged newborn to 11 years, RIs were determined from peripheral sites (presumed to be arcuate...

journal_title：Radiology

authors： Bude RO,DiPietro MA,Platt JF,Rubin JM,Miesowicz S,Lundquist C

更新日期：1992-08-01 00:00:00

abstract：:Lymphangiomas are rare, benign tumors which may become opacified during lymphography and may be confused with malignant lymph node disease. A case is reported in which lymphography showed focal collections of contrast material retained for several days in dilated lymphatic spaces which initially simulated metastatic d...

journal_title：Radiology

authors： Castellino RA,Finkelstein S

更新日期：1975-05-01 00:00:00

abstract：:Purpose To evaluate the performance of three imaging methods (radiography, dual-energy x-ray absorptiometry [DXA], and quantitative computed tomography [CT]) and that of a numerical analysis with finite element modeling (FEM) in the prediction of failure load of the proximal femur and to identify the best densitometri...

journal_title：Radiology

authors： Pottecher P,Engelke K,Duchemin L,Museyko O,Moser T,Mitton D,Vicaut E,Adams J,Skalli W,Laredo JD,Bousson V

更新日期：2016-09-01 00:00:00

abstract：PURPOSE:To investigate magnetic resonance (MR) imaging guidance of interstitial laser photocoagulation to treat primary breast cancer. MATERIALS AND METHODS:Twenty female patients with symptomatic breast cancers diagnosed at cytologic examination underwent interstitial laser photocoagulation by means of a single fiber...

journal_title：Radiology

authors： Mumtaz H,Hall-Craggs MA,Wotherspoon A,Paley M,Buonaccorsi G,Amin Z,Wilkinson I,Kissin MW,Davidson TI,Taylor I,Bown SG

更新日期：1996-09-01 00:00:00

abstract：:A summary of the activities of the International Commission on Radiation Units and Measurements since 1973 is presented. ...

journal_title：Radiology

authors： Wyckoff HO

更新日期：1978-05-01 00:00:00

abstract：:Purpose To assess the impact of a patient experience improvement program on national ranking in patient experience in a large academic radiology department. Materials and Methods This Health Insurance Portability and Accountability Act-compliant study was exempted from institutional review board approval. After initia...

journal_title：Radiology

authors： Kapoor N,Yan Z,Wang A,Wickner P,Kachalia A,Boland G,Khorasani R

更新日期：2019-04-01 00:00:00

abstract：PURPOSE:To estimate the fraction of moving blood in tissue with power Doppler ultrasound (US). MATERIALS AND METHODS:Power Doppler US measurements of moving scatterers in a flow tube were made as a function of successive dilutions of the perfusate. Measurements were normalized relative to the maximum Doppler power in ...

journal_title：Radiology

authors： Rubin JM,Adler RS,Fowlkes JB,Spratt S,Pallister JE,Chen JF,Carson PL

更新日期：1995-10-01 00:00:00

abstract：:The author's experience with 72 patients with impotence, one patient with Peyronie disease (no impotence), and two healthy volunteers indicates that incompetence of the venocclusive mechanism of the corpora cavernosa is probably the most common cause of vasculogenic impotence. Manometric and angiographic studies are t...

journal_title：Radiology

authors： Bookstein JJ

更新日期：1987-07-01 00:00:00

abstract：:Anorectal anomalies were evaluated by computed tomography (CT) scanning in 23 patients. CT scans showed clearly the anatomy of the anal sphincter muscles in relation to the intestine and the amount of muscle mass present. These findings correlated well with the results of direct visualization and electromyograms in pa...

journal_title：Radiology

authors： Kohda E,Fujioka M,Ikawa H,Yokoyama J

更新日期：1985-11-01 00:00:00

abstract：:Six radiologists, acting as radiograph reviewers, used two different consultation protocols to differentiate among 292 ambiguous chest radiographic findings: 120 simulated nodules and 172 normal findings (previous readers' false-positive reports of nodules). The nonsearch protocol identified each finding (by film loca...

journal_title：Radiology

authors： Swensson RG,Theodore GH

更新日期：1990-12-01 00:00:00

abstract：:Significant structural and mechanical differences exist between the titanium and stainless steel versions of the Greenfield filter (GF). The titanium GF has a longer leg length (49 mm vs 43 mm), a greater span (38.5 mm vs 28.0 mm), and a larger hook angle (41 degrees vs 23.5 degrees). In vitro tests demonstrated appro...

journal_title：Radiology

authors： Teitelbaum GP,Jones DL,van Breda A,Matsumoto AH,Fellmeth BD,Chespak LW,Barth KH

更新日期：1989-12-01 00:00:00

abstract：PURPOSE:To investigate whether the pancreatic uncinate process is hypoplastic in patients with intestinal nonrotation, and to evaluate the association of hypoplasia or aplasia of the uncinate process with mesenteric vascular inversion. MATERIALS AND METHODS:Computed tomographic (CT) scans of the pancreas in five patie...

journal_title：Radiology

authors： Inoue Y,Nakamura H

更新日期：1997-11-01 00:00:00

abstract：:The radiation dose and the anatomic detail of computed tomography (CT) and conventional tomography were studied in 18 patients with suspected acoustic neuroma, cholesteatoma, malignant tumor, and temporal bone fracture. It is concluded that CT is the technique of choice in patients suspected of having acoustic neuroma...

journal_title：Radiology

authors： Shaffer KA,Haughton VM,Wilson CR

更新日期：1980-02-01 00:00:00

abstract：PURPOSE:To investigate the challenges and benefits of magnetic resonance (MR) imaging during brain tumor resection. MATERIALS AND METHODS:A short-bore 1.5-T MR system equipped with echo-planar-capable gradients was used in resection of brain tumors in 30 patients. MR sequences and need for contrast material enhancemen...

journal_title：Radiology

authors： Martin AJ,Hall WA,Liu H,Pozza CH,Michel E,Casey SO,Maxwell RE,Truwit CL

更新日期：2000-04-01 00:00:00

abstract：:Pressure, or compressive, erosions of bone in various locations in patients with rheumatoid arthritis are described. Possible pathophysiologic mechanisms that account for the appearance and distribution of these erosions include osteopenia, soft-tissue laxity, soft-tissue pressure on bone, bone pressure on bone, and m...

journal_title：Radiology

authors： Monsees B,Destouet JM,Murphy WA,Resnick D

更新日期：1985-04-01 00:00:00

abstract：:Six cases of bronchogenic carcinoma metastatic to bone are reported in which the radiographic pattern of the skeletal metastases was remarkably similar. In each case, the osseous involvement was predominantly cortical, producing a focal area of geographic bone destruction. Predominant roentgen involvement of the corte...

journal_title：Radiology

authors： Deutsch A,Resnick D

更新日期：1980-10-01 00:00:00

abstract：PURPOSE:To compare the clinical effectiveness of a covered nitinol stent with that of a polyurethane stent for treatment of lacrimal system obstructions. MATERIALS AND METHODS:A nitinol stent was knit from a single thread of 0.1-mm nitinol wire in a tubular configuration and was covered by dipping the stent into a pol...

journal_title：Radiology

authors： Ko GY,Song HY,Seo TS,Kim TH,Sung KB,Yoon HK

更新日期：2003-04-01 00:00:00

abstract：PURPOSE:To investigate blood perfusion of nonfractured, normal-appearing vertebral bodies with regard to age and sex. MATERIALS AND METHODS:Dynamic magnetic resonance imaging (160 images obtained in 80 seconds) was performed from T10 to L5 in 66 patients. Patients were assigned to three groups: group 1, those 50 years...

journal_title：Radiology

authors： Chen WT,Shih TT,Chen RC,Lo SY,Chou CT,Lee JM,Tu HY

更新日期：2001-07-01 00:00:00

abstract：:Purpose To determine the effects of patient age and comorbidity level on life expectancy (LE) benefits associated with imaging follow-up of Bosniak IIF renal cysts and pancreatic side-branch (SB) intraductal papillary mucinous neoplasms (IPMNs). Materials and Methods A decision-analytic Markov model to evaluate LE ben...

journal_title：Radiology

authors： Raphel TJ,Weaver DT,Berland LL,Herts BR,Megibow AJ,Knudsen AB,Pandharipande PV

更新日期：2018-05-01 00:00:00

abstract：:A 7-year-old girl with histologically proved fibromuscular dysplasia underwent renal autotransplantation with prompt return of the blood pressure to normal. Two months later, immediately after tonsillectomy, severe hypertension recurred with marked narrowing of the previously patent anastomosis. After 4 weeks on antih...

journal_title：Radiology

authors： Gyepes MT,Kaufman JJ,Dornfeld L

更新日期：1976-07-01 00:00:00

abstract：:The imaging characteristics of microcalcifications in both benign and malignant breast conditions were analyzed in 48 digitized film mammograms. Each case included in this analysis had findings considered suggestive of malignancy by the radiologist, with the underlying histologic structure determined by excisional bio...

journal_title：Radiology

authors： Olson SL,Fam BW,Winter PF,Scholz FJ,Lee AK,Gordon SE

更新日期：1988-11-01 00:00:00

abstract：PURPOSE:To determine the feasibility of measuring choline and glycogen concentrations in normal human liver in vivo with proton (hydrogen 1 [1H]) magnetic resonance (MR) spectroscopy. MATERIALS AND METHODS:Signed consent to participate in an institutional review board-approved and HIPAA-compliant study was obtained fr...

journal_title：Radiology

authors： Ouwerkerk R,Pettigrew RI,Gharib AM

更新日期：2012-11-01 00:00:00

abstract：PURPOSE:To prospectively evaluate the effect of experience with coronary computed tomographic (CT) angiography on the capability to detect coronary stenoses of 50% or more. MATERIALS AND METHODS:The institutional review board approved the study protocol. All patients gave consent to undergo CT angiography before conve...

journal_title：Radiology

authors： Pugliese F,Hunink MG,Gruszczynska K,Alberghina F,Malagó R,van Pelt N,Mollet NR,Cademartiri F,Weustink AC,Meijboom WB,Witteman CL,de Feyter PJ,Krestin GP

更新日期：2009-05-01 00:00:00

abstract：:Flow-alternating inversion-recovery magnetic resonance imaging was performed at 3.0 T to measure cerebral perfusion during rest and motor activation in six healthy adult volunteers. Results were compared with those at 1.5 T. The mean signal-to-noise ratio for both gray matter and white matter perfusion measured with a...

journal_title：Radiology

authors： Yongbi MN,Fera F,Yang Y,Frank JA,Duyn JH

更新日期：2002-02-01 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