Are two-dimensional CT measurements of small noncalcified pulmonary nodules reliable?

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：PURPOSE:To use videomicroscopy of tumor-bearing livers of live mice to depict tumors directly to determine the exact nature of rims seen on corresponding ultrasonographic (US) scans. MATERIALS AND METHODS:Seventy-six hepatic colorectal cancer metastases were studied in exteriorized livers of 18 mice by using intravita...

journal_title：Radiology

authors： Kruskal JB,Thomas P,Nasser I,Cay O,Kane RA

更新日期：2000-06-01 00:00:00

abstract：:A series of image quality measurements were obtained over a two-year period for eight image-intensifier tube fluoroscopic units used in clinical practice. The measurements were in agreement with a radiologist's opinion of the image quality for each tube. The results showed that some systems did not change significantl...

journal_title：Radiology

authors： Lee D,Sourkes AM,Holloway AF,Reed MH

更新日期：1981-02-01 00:00:00

abstract：PURPOSE:To compare breast cancer disease-free survival (DFS) outcomes of patients with newly diagnosed breast cancer without and with preoperative magnetic resonance (MR) imaging. MATERIALS AND METHODS This study was approved by an institutional review board, and informed consent was waived. From 2004 to 2009 (unilater...

journal_title：Radiology

authors： Yi A,Cho N,Yang KS,Han W,Noh DY,Moon WK

更新日期：2015-09-01 00:00:00

abstract：:Ultrasound examinations were performed on 25 women with augmented breasts using whole-breast water-path scanning. In these patients, ultrasound imaged carcinoma, benign lesions, and fibrous capsule formation; these were confirmed by surgery. In addition, it was noted that certain prostheses appeared to be displaced po...

journal_title：Radiology

authors： Cole-Beuglet C,Schwartz G,Kurtz AB,Patchefsky AS,Goldberg BB

更新日期：1983-03-01 00:00:00

abstract：PURPOSE:To compare non-contrast-enhanced computed tomography (CT) and intravenous urography (IVU) in the evaluation of patients who present with acute flank pain and in whom ureteric obstruction is suspected. MATERIALS AND METHODS:The findings at non-contrast-enhanced CT and IVU in 20 patients with acute flank pain we...

journal_title：Radiology

authors： Smith RC,Rosenfield AT,Choe KA,Essenmacher KR,Verga M,Glickman MG,Lange RC

更新日期：1995-03-01 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：:To investigate the physiologic and histologic responses induced by the self-expanding endovascular prosthesis, rabbits subjected to a combination of high-cholesterol diet and intravascular trauma underwent stent implantation. The results were compared with those obtained with the placement of stents in the healthy aor...

journal_title：Radiology

authors： Rousseau H,Joffre F,Raillat C,Julian M,Pierragi MT,Chalabi F,Bouissou H

更新日期：1989-03-01 00:00:00

abstract：:The use of computed tomography (CT) in 28 patients with surgically proved prolactinomas is described. The authors' experience suggests that in evaluating patients with galactorrhea-amenorrhea syndrome, CT in combination with pluridirectional tomography usually provides sufficient information to make further invasive s...

journal_title：Radiology

authors： Wolpert SM,Post KD,Biller BJ,Molitch ME

更新日期：1979-04-01 00:00:00

abstract：PURPOSE:To evaluate the usefulness of T2-weighted fast spin-echo magnetic resonance (MR) imaging with a 512 x 256 matrix for assessment of the preoperative stage of endometrial carcinoma. MATERIALS AND METHODS:Twenty-eight women with histopathologically proved endometrial carcinoma underwent preoperative T2-weighted f...

journal_title：Radiology

authors： Takahashi S,Murakami T,Narumi Y,Kurachi H,Tsuda K,Kim T,Enomoto T,Tomoda K,Miyake A,Murata Y,Nakamura H

更新日期：1998-02-01 00:00:00

abstract：PURPOSE:To retrospectively determine the long-term outcome (>6 months) of placement of tunneled hemodialysis catheters. MATERIALS AND METHODS:The HIPAA-compliant study protocol was approved by the Committee on Human Research, which waived the requirement for informed consent. The records of patients who underwent hemo...

journal_title：Radiology

authors： Wang J,LaBerge JM,Chertow GM,Kerlan RK,Wilson MW,Gordon RL

更新日期：2006-10-01 00:00:00

abstract：PURPOSE:To assess cardiac morphologic and functional adaptations in elite triathletes with magnetic resonance (MR) imaging and to compare findings to those in recreationally active control subjects. MATERIALS AND METHODS:The institutional review board approved the study, and written informed consent was obtained from ...

journal_title：Radiology

authors： Scharf M,Brem MH,Wilhelm M,Schoepf UJ,Uder M,Lell MM

更新日期：2010-10-01 00:00:00

abstract：:A cancellation of signal intensity at the interface separating selected tissue-equivalent materials is observed in inversion recovery proton MR images. The absence of signal intensity at the interface is always one pixel wide and appears only when the tissue-equivalent materials forming the interface differ substantia...

journal_title：Radiology

authors： Hearshen DO,Ellis JH,Carson PL,Shreve P,Aisen AM

更新日期：1986-08-01 00:00:00

abstract：:Extracorporeal shock wave lithotripsy (ESWL), either alone or in combination with percutaneous or retrograde techniques, has rapidly become the procedure of choice for the treatment of intrarenal and upper ureteral calculi. Complications have been few so far and usually have been urinary obstructions or hemorrhages. M...

journal_title：Radiology

authors： Papanicolaou N,Stafford SA,Pfister RC,Althausen AF,Dretler SP

更新日期：1987-06-01 00:00:00

abstract：PURPOSE:To retrospectively review imaging characteristics of indeterminate computed tomographic (CT) pulmonary angiograms for pulmonary embolism (PE) and patient outcome. MATERIALS AND METHODS:Investigational review board approval was obtained, informed consent was waived, and the study was HIPAA compliant. Retrospect...

journal_title：Radiology

authors： Jones SE,Wittram C

更新日期：2005-10-01 00:00:00

abstract：:While high-resolution CT/air cisternography is considered the preferred method of investigating non-enhancing or small acoustic neuromas, it is not without pitfalls. Eighty such studies were reviewed, emphasizing procedural problems and sources of interpretive error. Two patients presented difficulty in transporting t...

journal_title：Radiology

authors： Johnson DW

更新日期：1984-05-01 00:00:00

abstract：:One hundred and two patients, who were being evaluated for carotid artery disease, were prospectively studied for complications occurring as a result of intravenous digital subtraction angiography (DSA). We recorded the type, number, and outcome of complications and reviewed the amount of contrast material used, along...

journal_title：Radiology

authors： Aaron JO,Hesselink JR,Oot R,Jones RL,Davis KR,Taveras JM

更新日期：1984-12-01 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：:Twenty-three renal artery stenoses in 21 hypertensive patients, caused by fibromuscular dysplasia, were treated with percutaneous transluminal angioplasty (PTA). Follow-up over a period of 1 to 30 months, including angiography, renal vein renin assay, and radionuclide flow studies, was performed in 8 patients, each wi...

journal_title：Radiology

authors： Tegtmeyer CJ,Elson J,Glass TA,Ayers CR,Chevalier RL,Wellons HA Jr,Studdard WE Jr

更新日期：1982-06-01 00:00:00

abstract：PURPOSE:To determine whether spinal cord atrophy differs among disease subtypes in multiple sclerosis (MS) and whether it offers diagnostic and clinical correlative information beyond that provided by other magnetic resonance (MR) imaging markers. MATERIALS AND METHODS:The institutional review board approved the study...

journal_title：Radiology

authors： Lukas C,Sombekke MH,Bellenberg B,Hahn HK,Popescu V,Bendfeldt K,Radue EW,Gass A,Borgwardt SJ,Kappos L,Naegelin Y,Knol DL,Polman CH,Geurts JJ,Barkhof F,Vrenken H

更新日期：2013-11-01 00:00:00

abstract：:Twenty consecutive patients with known liver malignancies underwent ultrasonography (US) in conventional B mode and in pulse-inversion mode in the late hepatic-specific parenchymal phase after intravenous administration of SH U 508A, a microbubble US contrast agent. Two experienced readers assessed subjective and obje...

journal_title：Radiology

authors： Harvey CJ,Blomley MJ,Eckersley RJ,Cosgrove DO,Patel N,Heckemann RA,Butler-Barnes J

更新日期：2000-09-01 00:00:00

abstract：PURPOSE:To compare the subjective Likert score to the Prostate Imaging Reporting and Data System (PIRADS) and morphology-location-signal intensity (MLS) scores for categorization of prostate lesions as benign or malignant at multiparametric magnetic resonance (MR) imaging. MATERIALS AND METHODS:Two hundred fifteen pat...

journal_title：Radiology

authors： Vaché T,Bratan F,Mège-Lechevallier F,Roche S,Rabilloud M,Rouvière O

更新日期：2014-08-01 00:00:00

abstract：PURPOSE:To determine the diagnostic accuracy of breath-hold, contrast material-enhanced, three-dimensional (3D) magnetic resonance (MR) angiography in the assessment of the aortoiliac inflow tract and renal arteries with conventional catheter angiography as the standard of reference. MATERIALS AND METHODS:In 39 patien...

journal_title：Radiology

authors： Hany TF,Debatin JF,Leung DA,Pfammatter T

更新日期：1997-08-01 00:00:00

abstract：:Background Early stage hepatocellular carcinoma (HCC) is the ideal candidate for resection in patients with preserved liver function; however, cancer will recur in half of these patients and no reliable prognostic tool has been established. Purpose To investigate the effectiveness of radiomic features in predicting tu...

journal_title：Radiology

authors： Ji GW,Zhu FP,Xu Q,Wang K,Wu MY,Tang WW,Li XC,Wang XH

更新日期：2020-03-01 00:00:00

abstract：:Proton magnetic resonance (MR) spectroscopy of the brain was performed in 11 patients with chronic hepatic encephalopathy (CHE), and the results were compared with those of patients with liver disease but without CHE; clinical control subjects with diabetes, uremia, or cortical atrophy; and healthy subjects. The techn...

journal_title：Radiology

authors： Kreis R,Ross BD,Farrow NA,Ackerman Z

更新日期：1992-01-01 00:00:00

abstract：PURPOSE:To evaluate the use of ultrasound (US) for detection of wooden foreign bodies implanted in cadaveric specimens. MATERIALS AND METHODS:Wooden foreign bodies were randomly placed in the plantar soft tissues of three cadaver feet by using 5-mm-long incisions. Ten foreign bodies were 2.5 x 1.0 mm (length x diamete...

journal_title：Radiology

authors： Jacobson JA,Powell A,Craig JG,Bouffard JA,van Holsbeeck MT

更新日期：1998-01-01 00:00:00

abstract：PURPOSE:To evaluate the long-term effectiveness of the percutaneous treatment of portal venous stenoses in children and adolescents with reduced-size hepatic transplants. MATERIALS AND METHODS:During the past 5 years, percutaneous transhepatic balloon venoplasty was attempted in 25 children and adolescents with anasto...

journal_title：Radiology

authors： Funaki B,Rosenblum JD,Leef JA,Zaleski GX,Farrell T,Lorenz J,Brady L

更新日期：2000-04-01 00:00:00

abstract：PURPOSE:To validate coronary sinus flow measurements for quantification of global left ventricular (LV) perfusion by means of velocity-encoded cine (VEC) magnetic resonance (MR) imaging and flow probes. MATERIALS AND METHODS:Measurements of coronary sinus flow were performed in seven dogs by using VEC MR imaging at ba...

journal_title：Radiology

authors： Lund GK,Wendland MF,Shimakawa A,Arheden H,Ståhlberg F,Higgins CB,Saeed M

更新日期：2000-11-01 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 retrospectively evaluate the clinical outcomes of radiofrequency ablation (RFA) for early hypovascular hepatocellular carcinomas (HCCs) and to compare them with those of typical hypervascular HCCs. Materials and Methods This retrospective multicenter study received institutional review board approval, with ...

journal_title：Radiology

authors： Lee DH,Lee JM,Kang TW,Rhim H,Kim SY,Shin YM,Seo JW,Choi MH,Lee KB

更新日期：2018-01-01 00:00:00