نتایج جستجو برای: diagnostic ultrasound

تعداد نتایج: 389087  

Journal: :Egyptian Journal of Radiology and Nuclear Medicine 2021

Abstract Background The incidence of the thyroid nodules and its detection is increasing rapidly. most precise method for diagnosis FNAC. But, about 10–20% specimens FNAC are indeterminate non-diagnostic. Therefore, there a demand another diagnostic evaluating nodules. Thyroid ultrasound elastography may improve ability to differentiate malignant from benign Few articles were published results ...

2018
Eduardo F. C. Fleury Ana Claudia Gianini Karem Marcomini Vilmar Oliveira

OBJECTIVES To determine the applicability of a computer-aided diagnostic system strain elastography system for the classification of breast masses diagnosed by ultrasound and scored using the criteria proposed by the breast imaging and reporting data system ultrasound lexicon and to determine the diagnostic accuracy and interobserver variability. METHODS This prospective study was conducted b...

2013
Daniel W. Rickey

Medical Physics at CancerCare Manitoba has developed its own ultrasound phantom. The following table is intended as a quick reference guide when performing the quality assurance measurements. Instructions Limits Record Items Required ultrasound contrast-detail phantom degassed water or coupling gel paper towels for clean up (optional) lab stand and clamp to hold probe Physical check: 1. probe s...

Journal: :British journal of sports medicine 1998
W W Gibbon

Diagnostic ultrasound has in recent years been shown to be an extremely versatile and cost eVective tool in the assessment of a wide range of musculoskeletal injuries and diseases. For superficial soft tissue structures such as the Achilles, patellar, rotator cuV, and plantar aponeurotic tendons, high resolution high frequency diagnostic ultrasound, in the hands of an appropriately trained sono...

Journal: :the journal of tehran university heart center 0
maryam moradian rajaie cardiovascular medical and research center, tehran university of medical sciences, tehran, ir

echocardiography is considered the primary diagnostic tool for congenital heart diseases. the pediatric echocardiography diagnostic errors, consisting of false positive or discrepant diagnoses, picked up within a 2.5-year period in our pediatric echocardiography laboratory are presented herein. in this case report, the factors contributing to the diagnostic errors are categorized as cognitive s...

Journal: :iranian journal of nuclear medicine 2002
simin dadparvar k woods rm mango jc sebatino s patil

the clinical management of pulmonary embolism and deep venous thrombosis of the legs are similar and requires prolonged anticoagulation therapy. the standard diagnostic approach in patients suspected of pulmonary embolism is ventilation-perfusion (v/q) lung scan and compression ultrasonography to detect deep venous thrombosis. this retrospective study analyzed the role of v/q lung scan and comp...

Journal: :Obstetrics and gynecology 1994
G R DeVore

The Routine Antenatal Diagnostic Imaging With Ultrasound Study (RADIUS) has reported that the adoption of routine screening in the United States would add considerably to health care costs, but stated that a potential benefit may be identification of fetal anomalies. To determine whether the cost per detected malformed fetus using data from the RADIUS study is cost-effective, a comparison is ma...

2014
Anne Debost-Legrand Hélène Laurichesse-Delmas Christine Francannet Isabelle Perthus Didier Lémery Denis Gallot Françoise Vendittelli

BACKGROUND Congenital malformations occur in 3-4% of live births. Their prenatal detection is performed by ultrasound screening. Any announcement about a suspected malformation is a source of stress for the parents, and misdiagnosis during ultrasound screening can lead to expensive and sometimes iatrogenic medical interventions. In this study, we aim to determine the false-positive rate, first ...

2016
Yan Liu Hui Zhang Li Xiao Xiaoqian Guiqin Qi

Purpose. The current study aimed to evaluate whether combined application of ultrasound and CT had increased Diagnostic Value in Female Patients with Pelvic Masses over either method alone. Patients and Methods. 240 female patients with pelvic masses were detected preoperatively with ultrasound and CT prior to surgery. The sensitivity, specificity, and accuracy of ultrasound, CT, and combined u...

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