نتایج جستجو برای: elastography
تعداد نتایج: 5434 فیلتر نتایج به سال:
Unlike many other experimental imaging methods, elastography has enjoyed a strong link to the standard diagnostic and interventional evaluation technique of soft tissue palpation. As a result, the initial excitement about elastography quickly translated to clinical use (e.g., [1-3]) which now includes commercially available ultrasound and magnetic resonance (MR) elastography products. However, ...
Endometrial polyps and submucosal fibroids are common causes of abnormal uterine bleeding (AUB) and less commonly infertility. The prevalence of such intrauterine lesions increases with age during the reproductive years, and usually decreases after menopause. The first-line imaging examination in the diagnosis of endometrial polyps as well as submucosal fibroidsis ultrasound, but its accuracy i...
UNLABELLED PURPSOE: To investigate the diagnostic value of quantitative analysis of a tissue diffusion and virtual touch tissue imaging quantification (VTIQ) technique with acoustic radiation force impulse (ARFI) elastography for assessing enlarged cervical lymph nodes. MATERIALS AND METHODS Fifty-six enlarged cervical lymph nodes confirmed by pathologic diagnoses were covered in the study. A...
The purpose of this study was to analyze the ultrasonic elastography features of phyllodes tumors of the breast comparing with fibroadenomas. A retrospective database was queried for the patients diagnosed as phyllodes tumors and fibroadenomas at Sun Yat-sen Memorial Hospital from January 2008 to August 2012. Three hundred and fifty lesions from 323 consecutive patients were included in the stu...
OBJECTIVES The purpose of this study was to evaluate the diagnostic utility of sonographic elastography in differentiating reactive and metastatic axillary lymph nodes in breast cancer. METHODS A total of 64 lymph nodes (reactive, n = 33; metastatic, n = 31) from 62 patients with breast cancer were examined by both B-mode sonography and elastography from April to July 2009. Two experienced ra...
Endoscopic ultrasonography (EUS) is considered one of the most accurate methods for the diagnosis and staging of pancreatic tumors. EUS-guided fine-needle aspiration (FNA) allows to increase the diagnostic accuracy of EUS in this setting; however, it is technically demanding (a pathologist is also essential) and is furthermore associated with small, but not insignificant morbidity. EUS pancreat...
OBJECTIVES To assess a new method for numerical quantification of cervical elastography during pregnancy and to evaluate the repeatability of the measurements. METHODS Cervical elastography was carried out twice by a single operator in 112 singleton pregnancies at a median of 21 (range, 12-40) weeks' gestation. In 50 of the cases a second operator performed another elastography measurement. T...
Ultrasound-based liver elastography is being increasingly used in clinical practice to help clinicians assess prognosis and recommend the most appropriate treatment in hepatology patients. In coming years liver elastography will probably be increasingly used as part of "point of care" ultrasonography.
PURPOSE The aim of this study is to evaluate structural alterations of thyroid tissue after microwave ablation using elastography and scintigraphic imaging to investigate the applicability of these diagnostic methods for follow-up. MATERIALS AND METHODS 35 patients with 39 thyroid nodules were evaluated using elastography and scintigraphic imaging before and after ultrasound-guided microwave...
AIMS To assess the value of transient elastography for predicting significant fibrosis or cirrhosis in chronic hepatitis B or C (CHB or CHC) patients. METHODS 75 patients (CHB: 45, CHC: 32) were included. All underwent elastography and liver biopsy concurrently. Biopsies were evaluated using Ishak's classification. Fibrosis was mild, moderate or severe/cirrhosis when scores were 0-1 (n = 30),...
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