Comparison radiographs in extremity injuries of childhood: current application in radiological practice.

abstract：PURPOSE:To determine the feasibility and accuracy of a protocol for calculating whole-organ renal perfusion (renal blood flow [RBF]) and regional perfusion on the basis of biphasic computed tomography (CT), with concurrent dynamic contrast material-enhanced (DCE) CT perfusion serving as the reference standard. MATERIA...

journal_title：Radiology

authors： Yuan X,Zhang J,Quan C,Tian Y,Li H,Ao G

更新日期：2016-04-01 00:00:00

abstract：:Formal ethical approval was granted by the local research ethics committee; all participants gave written consent. The purpose of the study was to prospectively evaluate the feasibility of a noninvasive method of breast tumor localization in 25 participants, based on the coregistration of three-dimensional (3D) ultras...

journal_title：Radiology

authors： Cash CJ,Coles CE,Treece GM,Purushotham AD,Britton P,Sinnatamby R,Gee AH,Prager RW

更新日期：2007-11-01 00:00:00

abstract：:Purpose To report the results of dual-time-point gallium 68 (68Ga) prostate-specific membrane antigen (PSMA)-11 positron emission tomography (PET)/magnetic resonance (MR) imaging prior to prostatectomy in patients with intermediate- or high-risk cancer. Materials and Methods Thirty-three men who underwent conventional...

journal_title：Radiology

authors： Park SY,Zacharias C,Harrison C,Fan RE,Kunder C,Hatami N,Giesel F,Ghanouni P,Daniel B,Loening AM,Sonn GA,Iagaru A

更新日期：2018-08-01 00:00:00

abstract：PURPOSE:To quantify white matter (WM) and gray matter (GM) damage in patients who presented with clinically isolated syndrome (CIS), which is suggestive of multiple sclerosis (MS), by combining volume-based morphometry (VBM) and tract-based spatial statistics (TBSS). MATERIALS AND METHODS:This prospective HIPAA-compli...

journal_title：Radiology

authors： Raz E,Cercignani M,Sbardella E,Totaro P,Pozzilli C,Bozzali M,Pantano P

更新日期：2010-01-01 00:00:00

abstract：:Five hundred celiac angiograms were reviewed to evaluate the frequency of clinically significant variations in the origin of the left gastric artery. In 13 of 500 cases, the left gastric artery arose anomalously most often as a direct branch of the aorta; in 14 of 500 cases, the left gastric artery primarily supplied ...

journal_title：Radiology

authors： Naidich JB,Naidich TP,Sprayregen S,Hyman RA,Pudlowski RM,Stein HL

更新日期：1978-03-01 00:00:00

abstract：PURPOSE:To compare the accuracies of whole-body 2-[fluorine 18]fluoro-2-deoxy-D-glucose (FDG) positron emission tomography (PET) and conventional imaging (thoracic computed tomography [CT], bone scintigraphy, and brain CT or magnetic resonance [MR] imaging) in staging bronchogenic carcinoma. MATERIALS AND METHODS:With...

journal_title：Radiology

authors： Marom EM,McAdams HP,Erasmus JJ,Goodman PC,Culhane DK,Coleman RE,Herndon JE,Patz EF Jr

更新日期：1999-09-01 00:00:00

abstract：:The authors describe a simplified method of venography of the lower extremity which gives improved visualization of the proximal deep venous system. The technique involves high volumes of contrast material, no tourniquets, a relatively vertical, non-weight-bearing position, and passive elevation of the legs. ...

journal_title：Radiology

authors： Rampton JB,Armstrong JD Jr

更新日期：1977-06-01 00:00:00

abstract：:Radiographs and CT images taken during oral cholecystography in dogs were interpreted in an independent, blind fashion by three radiologists on two occasions and visual assessment of gallbladder density compared to the actual CT values. While there was significant intra- and inter-observer variation, the mean scores f...

journal_title：Radiology

authors： Fon GT,Hunter TB,Berk RN,Patton DD,Capp MP

更新日期：1982-07-01 00:00:00

abstract：PURPOSE:To compare a glycosaminoglycan chemical exchange saturation transfer (gagCEST) imaging method, which enables sampling of the water signal as a function of the presaturation offset (z-spectrum) at 13 points in clinically feasible imaging times, with sodium 23 ((23)Na) magnetic resonance (MR) imaging in patients ...

journal_title：Radiology

authors： Schmitt B,Zbýn S,Stelzeneder D,Jellus V,Paul D,Lauer L,Bachert P,Trattnig S

更新日期：2011-07-01 00:00:00

abstract：PURPOSE:To evaluate the effects of alterations in the volume of contrast material on liver enhancement. MATERIALS AND METHODS:Thirty patients underwent repeat computed tomographic (CT) examinations within 6 months, the first with either 100, 150, or 180 mL of nonionic contrast material (2 mL/sec). In the second, only ...

journal_title：Radiology

authors： Chambers TP,Baron RL,Lush RM

更新日期：1994-11-01 00:00:00

abstract：:The Kimray-Greenfield filter is a wire cage which is inserted into the inferior vena cava (IVC) to prevent thrombi originating in pelvic and leg veins from embolizing to the lungs. Duplex real-time/pulsed Doppler ultrasound was used to evaluate placement and function in 38 patients (46 examinations). Real-time examina...

journal_title：Radiology

authors： Pasto ME,Kurtz AB,Jarrell BE,Dubbins PA,Rifkin MD,Cole-Beuglet C,Baltarowich O,Goldberg BB

更新日期：1983-07-01 00:00:00

abstract：:For measurement of poststenotic jet velocities with magnetic resonance (MR) imaging, the authors reduced the echo time (TE) of the field even-echo rephasing (FEER) velocity mapping sequence from 14.0 to 3.6 msec, so minimizing the problem of MR signal loss from turbulent fluid. In vitro use of rotating disk and stenot...

journal_title：Radiology

authors： Kilner PJ,Firmin DN,Rees RS,Martinez J,Pennell DJ,Mohiaddin RH,Underwood SR,Longmore DB

更新日期：1991-01-01 00:00:00

abstract：PURPOSE:To determine a set of distinctive imaging findings seen in symptomatic patients with pretibial varices. MATERIALS AND METHODS:Medical records and imaging studies of patients who presented with pretibial varices over an 8-year period were collected from four institutions. Findings in six symptomatic patients wi...

journal_title：Radiology

authors： Boutin RD,Sartoris DJ,Rose SC,Plecha EJ,Bundens WP,Haghighi P,Harter LP,Resnick D

更新日期：1997-03-01 00:00:00

abstract：:A new type of intravenous digital subtraction angiography using an extra large field size is reported. Excellent image quality of large field size enables better evaluation of widespread vascular disease and eliminates the need for repeated injections of contrast material in almost all patients. ...

journal_title：Radiology

authors： Nitatori T,Hachiya J,Korenaga T,Furuya Y

更新日期：1985-09-01 00:00:00

abstract：:The sonograms of 40 patients with second-trimester polyhydramnios were reviewed to determine (a) whether fetal and maternal conditions occur as often during second-trimester polyhydramnios as during third-trimester polyhydramnios, (b) the frequency of persistence of polyhydramnios into the third trimester, and (c) how...

journal_title：Radiology

authors： Sivit CJ,Hill MC,Larsen JW,Lande IM

更新日期：1987-11-01 00:00:00

abstract：:The theories of decision processes and signal detection provide a framework for evaluation of observer performance. Some radiological procedures involve a search for multiple similar lesions, e.g., plain radiographic examinations for gallstones or pneumoconiosis. Presuming knowledge of the conventional ROC curve for d...

journal_title：Radiology

authors： Metz CE,Starr SJ,Lusted LB

更新日期：1976-11-01 00:00:00

abstract：PURPOSE:To evaluate the estimated absorbed radiation doses to the ovaries and skin entrance during uterine artery embolization (UAE) for leiomyomas. MATERIALS AND METHODS:Radiation dose was measured in 20 patients who underwent UAE for leiomyomas. Measurements were obtained by placing lithium fluoride dosimeters both ...

journal_title：Radiology

authors： Nikolic B,Spies JB,Lundsten MJ,Abbara S

更新日期：2000-01-01 00:00:00

abstract：:The CT findings in 16 patients with histologically proved primary central nervous system (CNS) reticulum cell sarcoma (RCS) showed this malignancy to have predilection for the basal ganglia and thalamus, the periventricular white matter, the corpus callosum, and the vermis cerebelli. In 43% of patients with untreated ...

journal_title：Radiology

authors： Enzmann DR,Krikorian J,Norman D,Kramer R,Pollock J,Faer M

更新日期：1979-01-01 00:00:00

abstract：:Between 1956 and 1978, nine patients with solitary plasmacytoma of bone (SPB) and seven with extramedullary plasmacytoma (EMP) were treated at the University of Washington Hospital and Swedish Tumor Institute. All but one patient had local radiotherapy. In the SPB group, six of nine patients progressed to multiple mye...

journal_title：Radiology

authors： Tong D,Griffin TW,Laramore GE,Kurtz JM,Russell AH,Groudine MT,Herron T,Blasko JC,Tesh DW

更新日期：1980-04-01 00:00:00

abstract：PURPOSE:To retrospectively determine the frequency of diaphragmatic injury when percutaneous hepatic radiofrequency (RF) ablation is performed adjacent to the diaphragm. MATERIALS AND METHODS:Institutional Review Board approval was obtained for our HIPAA-compliant study. Informed consent for the ablation procedure and...

journal_title：Radiology

authors： Head HW,Dodd GD 3rd,Dalrymple NC,Prasad SR,El-Merhi FM,Freckleton MW,Hubbard LG

更新日期：2007-06-01 00:00:00

abstract：:Radiographic changes produced in the male urethra by instrumentation were studied by pre- and postoperative urethrograms in 50 consecutive men as well as in several hundred selected patients. All 50 patients showed postoperative changes in the urethra. Obvious findings developed in 30% without symptoms while 14% of th...

journal_title：Radiology

authors： Shaver WA,Richter PH,Orandi A

更新日期：1975-09-01 00:00:00

abstract：PURPOSE:To compare contrast material-enhanced three-dimensional (3D) magnetic resonance (MR) angiography and multi-detector row computed tomographic (CT) angiography in the same patients for assessment of the aortoiliac and renal arteries, with digital subtraction angiography (DSA) as the standard of reference. MATERI...

journal_title：Radiology

authors： Willmann JK,Wildermuth S,Pfammatter T,Roos JE,Seifert B,Hilfiker PR,Marincek B,Weishaupt D

更新日期：2003-03-01 00:00:00

abstract：:During a 17-year period, 33 injuries produced radiographic abnormalities in 26 members of a professional football team. Sites of injury were correlated with playing position and protective equipment worn at the time of injury. Fractures of multiple transverse processes of the lumbar spine are reported in offensive hal...

journal_title：Radiology

authors： Bowerman JW,McDonnell EJ

更新日期：1975-10-01 00:00:00

abstract：:To determine the prevalence of "nonobstructive" (impairment of gas transfer) emphysema in a select population of smokers with dyspnea, a retrospective study of patients with emphysema evident at high-resolution computed tomography (HRCT) was undertaken. Four hundred seventy HRCT studies were reviewed. In 47 cases, cen...

journal_title：Radiology

authors： Klein JS,Gamsu G,Webb WR,Golden JA,Müller NL

更新日期：1992-03-01 00:00:00

abstract：:Arthrography was assessed in 300 cases of ankle injury to determine its diagnostic information yield and its aid in classifying ankle injuries. No complications occurred as a result of the procedure. In 59 cases, information gained from the procedure was verified at surgery. Arthrography was considered to give valuabl...

journal_title：Radiology

authors： Ala-Ketola L,Puranen J,Koivisto E,Puuperä M

更新日期：1977-10-01 00:00:00

abstract：PURPOSE:To study the frequency, timing, and associations of thoracic metastases in advanced (stage III and IV) high-grade serous ovarian cancer (HGSC) to help optimize the use of cross-sectional chest imaging. MATERIALS AND METHODS:This institutional review board-approved retrospective study with waived informed conse...

journal_title：Radiology

authors： Shinagare AB,O'Neill AC,Cheng S,Somarouthu B,Tirumani SH,Nishino M,Van den Abbeele AD,Ramaiya NH

更新日期：2015-12-01 00:00:00

abstract：:The medical records and radiographs of 62 patients admitted for smoke inhalation were reviewed to determine the value of the plain chest radiograph in the early detection of inhalation injury. Pulmonary edema resulting from the inhalation injury often leads to pulmonary insufficiency, and its early diagnosis is crucia...

journal_title：Radiology

authors： Teixidor HS,Rubin E,Novick GS,Alonso DR

更新日期：1983-11-01 00:00:00

abstract：PURPOSE:To evaluate the utility of helical computed tomographic (CT) angiography for depiction of thrombi in the portal venous system in patients under consideration for transjugular intrahepatic portosystemic shunt (TIPS) creation. MATERIALS AND METHODS:Contrast material-enhanced helical CT was performed before TIPS ...

journal_title：Radiology

authors： Kuszyk BS,Osterman FA Jr,Venbrux AC,Heath DG,Urban BA,Smith PA,Fishman EK

更新日期：1998-01-01 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 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