Ultrasonographic evaluation of juxtadiaphragmatic masses in children.

abstract：PURPOSE:To test the hypothesis that magnetic resonance (MR) imaging R1 (R1 = 1/T1) mapping after selectively labeling monocytes with a T1-shortening contrast agent in vivo would enable the quantitative measurement of their spatiotemporal kinetics in the setting of infarct healing. MATERIALS AND METHODS:All procedures ...

journal_title：Radiology

authors： Naresh NK,Xu Y,Klibanov AL,Vandsburger MH,Meyer CH,Leor J,Kramer CM,French BA,Epstein FH

更新日期：2012-08-01 00:00:00

abstract：PURPOSE:To prospectively develop and evaluate the accuracy of a duplex Doppler ultrasonographic (US) index for predicting the presence or absence of esophageal varices in patients with compensated cirrhosis (Child-Pugh class A) by using endoscopy as the reference standard. MATERIALS AND METHODS:The study had instituti...

journal_title：Radiology

authors： Liu CH,Hsu SJ,Liang CC,Tsai FC,Lin JW,Liu CJ,Yang PM,Lai MY,Chen PJ,Chen JH,Kao JH,Chen DS

更新日期：2008-07-01 00:00:00

abstract：:It appears reasonable to suggest a histological diagnosis of ependymoma when CT shows an isodense tumor expanding the fourth ventricle or lying within its outlets; when the tumor contains small, round calcifications; and when presentation occurs early in life. An isodense mass occurring in the cerebral white matter, c...

journal_title：Radiology

authors： Swartz JD,Zimmerman RA,Bilaniuk LT

更新日期：1982-04-01 00:00:00

abstract：PURPOSE:To investigate the effect of different iodine concentrations of contrast material on aortic and hepatic enhancement and the detectability of hypervascular hepatocellular carcinoma (HCC) with multi-detector row computed tomography (CT) and a uniphasic contrast material injection technique. MATERIALS AND METHODS...

journal_title：Radiology

authors： Awai K,Takada K,Onishi H,Hori S

更新日期：2002-09-01 00:00:00

abstract：:Shoulder arthrography is a reliable technique for use in the diagnosis of tears of the rotator cuff, although delineation of the precise site and size of tears requires meticulous double-contrast technique and considerable examiner expertise. The authors initiated a prospective evaluation of digital arthrography of th...

journal_title：Radiology

authors： Stiles RG,Resnick D,Sartoris DJ,Andre MP

更新日期：1988-09-01 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：PURPOSE:To describe magnetic resonance (MR) imaging features in patients with proved pilonidal sinus disease and to compare these features with those in a matched group of patients with proved fistula in ano to determine the accuracy with which MR imaging can be used to distinguish between the two diseases. MATERIALS ...

journal_title：Radiology

authors： Taylor SA,Halligan S,Bartram CI

更新日期：2003-03-01 00:00:00

abstract：:Three patients with surgically proved pancreatic carcinoma and one with chronic and acute pancreatitis were evaluated by computed tomography. Scans through the pancreatic region were initially performed with standard 10-mm collimation and then repeated using thin-section (5-mm) collimation. In all cases a pathological...

journal_title：Radiology

authors： Callen PW,London SS,Moss AA

更新日期：1980-01-01 00:00:00

abstract：PURPOSE:To retrospectively determine if three-dimensional (3D) viewing improves radiologists' accuracy in classifying true-positive (TP) and false-positive (FP) polyp candidates identified with computer-aided detection (CAD) and to determine candidate polyp features that are associated with classification accuracy, wit...

journal_title：Radiology

authors： Shi R,Schraedley-Desmond P,Napel S,Olcott EW,Jeffrey RB Jr,Yee J,Zalis ME,Margolis D,Paik DS,Sherbondy AJ,Sundaram P,Beaulieu CF

更新日期：2006-06-01 00:00:00

abstract：:Background Several changes have been made to the revised 2017 international consensus guidelines for management of pancreatic intraductal papillary mucinous neoplasms (IPMNs). However, the diagnostic performance is yet to be verified. Purpose To evaluate the revised guidelines for predicting malignant potential of pan...

journal_title：Radiology

authors： Lee JE,Choi SY,Min JH,Yi BH,Lee MH,Kim SS,Hwang JA,Kim JH

更新日期：2019-10-01 00:00:00

abstract：:The purpose of this study was to develop an automated scheme to facilitate detection of localized ground-glass opacity (GGO) in the lung at computed tomography (CT). Institutional review board approval and informed consent were not required. Two radiologists reviewed CT images from 14 patients (five men, nine women) w...

journal_title：Radiology

authors： Kim KG,Goo JM,Kim JH,Lee HJ,Min BG,Bae KT,Im JG

更新日期：2005-11-01 00:00:00

abstract：PURPOSE:To examine the feasibility and safety of magnetic resonance (MR)-guided biopsy by using a transgluteal approach in patients with suspicious prostate lesions by using an MR-compatible robotic system and a 1.5-T MR system. MATERIALS AND METHODS:The study was approved by the institutional review board of Universi...

journal_title：Radiology

authors： Zangos S,Melzer A,Eichler K,Sadighi C,Thalhammer A,Bodelle B,Wolf R,Gruber-Rouh T,Proschek D,Hammerstingl R,Müller C,Mack MG,Vogl TJ

更新日期：2011-06-01 00:00:00

abstract：:Three-compartment arthrography has been advocated in the current literature for evaluation of the intrinsic ligaments of the wrist. Previous techniques for distal radioulnar joint (DRUJ) injection introduce the needle directly into the joint space. As is done in shoulder arthrography, however, the needle tip can be po...

journal_title：Radiology

authors： Lomasney LM,Cooper RA

更新日期：1996-04-01 00:00:00

abstract：:Results of 133 thoracic percutaneous fine-needle aspiration biopsies performed with a new dual cutting edge needle were analyzed to see if it could reduce the false-negative rate for malignancy compared with that achieved with a sharply beveled spinal needle. Results of cytologic examinations were compared with those ...

journal_title：Radiology

authors： Weisbrod GL,Herman SJ,Tao LC

更新日期：1987-04-01 00:00:00

abstract：PURPOSE:To evaluate the sensitivity and specificity of biphasic computed tomography (CT) with mesenteric CT angiography in the diagnosis of acute mesenteric ischemia (AMI). MATERIALS AND METHODS:Sixty-two patients with clinically suspected AMI underwent prospective imaging with biphasic multi-detector row CT. Mesenter...

journal_title：Radiology

authors： Kirkpatrick ID,Kroeker MA,Greenberg HM

更新日期：2003-10-01 00:00:00

abstract：PURPOSE:To use magnetic resonance (MR) imaging to document the appearance of perianal infection in patients with a hematologic malignancy (HM) compared with that in immunocompetent control patients. MATERIALS AND METHODS:After an ethical waiver was obtained, 38 patients with an HM were matched by age and sex to 38 con...

journal_title：Radiology

authors： Plumb AA,Halligan S,Bhatnagar G,Taylor SA

更新日期：2015-07-01 00:00:00

abstract：PURPOSE:To prospectively determine the cellular iron uptake by using R2 and R2* mapping with multiecho readout gradient-echo and spin-echo sequences. MATERIALS AND METHODS:All experiments were approved by the institutional animal care committee. Lung carcinoma cells were lipofected with superparamagnetic iron oxides (...

journal_title：Radiology

authors： Kuhlpeter R,Dahnke H,Matuszewski L,Persigehl T,von Wallbrunn A,Allkemper T,Heindel WL,Schaeffter T,Bremer C

更新日期：2007-11-01 00:00:00

abstract：PURPOSE:To retrospectively evaluate the incidence of and risk factors for pneumothorax, pleural effusion, and chest tube placement for pneumothorax after radiofrequency (RF) ablation of lung tumors. MATERIALS AND METHODS:Institutional review board approval was obtained, with waiver of informed consent. This retrospect...

journal_title：Radiology

authors： Hiraki T,Tajiri N,Mimura H,Yasui K,Gobara H,Mukai T,Hase S,Fujiwara H,Iguchi T,Sano Y,Shimizu N,Kanazawa S

更新日期：2006-10-01 00:00:00

abstract：:Purpose To determine the degree of preoperative fatty degeneration within muscles, postoperative longitudinal changes in fatty degeneration, and differences in fatty degeneration between patients with full-thickness supraspinatus tears who do and those who do not experience a retear after surgery. Materials and Method...

journal_title：Radiology

authors： Nozaki T,Tasaki A,Horiuchi S,Ochi J,Starkey J,Hara T,Saida Y,Yoshioka H

更新日期：2016-08-01 00:00:00

abstract：:Twenty-three patients with hyperparathyroidism were evaluated preoperatively with magnetic resonance (MR) imaging. Twenty patients also underwent thallium-201/technetium-99m scintigraphy. Of 22 patients with primary hyperparathyroidism, 12 had persistent or recurrent disease. One had secondary hyperparathyroidism due ...

journal_title：Radiology

authors： Peck WW,Higgins CB,Fisher MR,Ling M,Okerlund MD,Clark OH

更新日期：1987-05-01 00:00:00

abstract：:Renal allograft recipients were routinely monitored by means of duplex Doppler ultrasound. In a 20-month survey period, four instances of acute renal vein thrombosis were detected among 75 patients. All episodes occurred within the first 3 postoperative days. The examinations disclosed peaked, abruptly dropping systol...

journal_title：Radiology

authors： Reuther G,Wanjura D,Bauer H

更新日期：1989-02-01 00:00:00

abstract：:Ultrasound scanning is useful in evaluating renal transplants: it is atraumatic, independent of renal function, and well suited for analyzing such common complications as lymphocele, abscess, hydronephrosis, and hematoma. When there is uncertainty as to the nature of a paranephric mass, ultrasonically guided percutane...

journal_title：Radiology

authors： Bartrum RJ Jr,Smith EH,D'Orsi CJ,Tilney NL,Dantono J

更新日期：1976-02-01 00:00:00

abstract：PURPOSE:To compare a T1-weighted, three-dimensional (3D), gradient-echo (GRE) sequence for magnetic resonance (MR) imaging of the body (volumetric interpolated breath-hold examination, or VIBE) with a two-dimensional (2D) GRE breath-hold equivalent. MATERIALS AND METHODS:Twenty consecutive patients underwent 1.5-T MR ...

journal_title：Radiology

authors： Rofsky NM,Lee VS,Laub G,Pollack MA,Krinsky GA,Thomasson D,Ambrosino MM,Weinreb JC

更新日期：1999-09-01 00:00:00

abstract：PURPOSE:To compare the effects of various stents on magnetic resonance (MR) imaging flow volume measurements and to determine the value of a blood-pool MR imaging contrast medium in assessment of vascular stents. MATERIALS AND METHODS:In 11 pigs, six nitinol stents (Memotherm), four platinum stents (NuMed), and one el...

journal_title：Radiology

authors： Kuehne T,Saeed M,Moore P,Gleason K,Reddy G,Teitel D,Higgins CB

更新日期：2002-05-01 00:00:00

abstract：PURPOSE:To define the beneficial and detrimental effects of adding exercise to direct magnetic resonance (MR) shoulder arthrography. MATERIALS AND METHODS:Direct, intraarticular, gadolinium arthrography of the shoulder was performed in 41 patients, who underwent 1.5-T MR imaging before and after 1 minute of arm swingi...

journal_title：Radiology

authors： Brenner ML,Morrison WB,Carrino JA,Nusser CA,Sanders TG,Howard RF,Meier P

更新日期：2000-05-01 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：:The authors report the first clinical experience in the United States with the highly water soluble, nonionic dimer (6:1 ratio) contrast medium iodixanol (5,5'-[(2-hydroxyl-1,3-propanediyl)bis(acetylimino)]bis[N,N' - bis(2,3dihydroxypropyl)-2,4,6-triodo1,3-benzenedicarbooxa mide]). Iodixanol has an osmolality less tha...

journal_title：Radiology

authors： Gavant ML,Siegle RL

更新日期：1992-05-01 00:00:00

abstract：:The "comet tail" is a well-known ultrasound artifact that appears as a series of parallel bands radiating from a source. This artifact was observed in the gallbladder lumen in eight of 10 patients after extracorporeal shock wave lithotripsy of radiolucent calculi. To investigate the cause of the comet tail artifact, c...

journal_title：Radiology

authors： Shapiro RS,Winsberg F

更新日期：1990-10-01 00:00:00

abstract：:Written informed consent was obtained prior to all human studies after the institutional review board approved the protocol. A continuous arterial spin-labeling technique with an amplitude-modulated control was implemented by using a single coil at 3.0 T. Adiabatic inversion efficiency at 3.0 T, comparable to that at ...

journal_title：Radiology

authors： Wang J,Zhang Y,Wolf RL,Roc AC,Alsop DC,Detre JA

更新日期：2005-04-01 00:00:00

abstract：:Sensitivity and specificity of first screen mammography in a randomized screening trial at five centers are reported. A total of 23,101 women underwent mammography; in 139, breast cancer was detected at first screening; in 20, less than 12 months after first screening; and in 47, at second screening. All 206 cancer ca...

journal_title：Radiology

authors： Baines CJ,Miller AB,Wall C,McFarlane DV,Simor IS,Jong R,Shapiro BJ,Audet L,Petitclerc M,Ouimet-Oliva D

更新日期：1986-08-01 00:00:00