نتایج جستجو برای: color doppler ultrasonography
تعداد نتایج: 195427 فیلتر نتایج به سال:
The place of CEUS in distinguishing benign from malignant cervical lymph nodes: a prospective study.
AIMS The aim of the study was to evaluate the ability of contrast-enhanced ultrasonography (CEUS) compared to gray-scale B-mode and color Doppler ultrasound in differentiate benign versus malign superficial cervical lymph nodes. MATERIAL AND METHODS In a prospective study ultrasonography (gray scale, color and spectral Dopller, and CEUS) was performed in 61 patients (33 men, 28 women; mean ag...
A 6-year-old presented with fever for 5 days and pain in left hypochondrium. The child had marked pallor, tender splenomegaly 3 cm below costal margin, and anemia (hemoglobin 5.4 g/dL). Peripheral smear showed trophozoites and gametocytes of P.vivax. Ultrasonography of abdomen showed spleen 11.4 cm with 4×2.7cm wedge shaped hypoechoic area suggestive of splenic infarct. On Color Doppler study, ...
PURPOSE The main objective was to assess the effectiveness of contrast-enhanced ultrasonography (CEUS) in the diagnosis of upper urinary tract malignancies by comparing with multidetector computed tomographic urography (MDCTU) and magnetic resonance urography (MRU). Secondary objectives were to compare the tumor size measured with CEUS, MDCTU and MRU and to assess the usefulness of CEUS in dist...
In the present study we aimed to develop a formula for predicting adnexal malignancy based on menopausal status, ultrasound morphology, and color Doppler findings. Logistic regression analysis was performed retrospectively in 79 adnexal masses (59 benign and 20 malignant) in 73 unselected and consecutive patients. All these masses had been preoperatively evaluated using transvaginal color Doppl...
conclusion following splenectomy, thrombocytosis can predispose the patients to an increase in cerebral blood velocities more than respected with anemia. but by transcranial doppler ultrasonography no evidence of significant stenosis were found in intracerebral arteries to conclude that the beta-thalassemia major patients were more prone to the development of stroke secondary to this abnormalit...
conclusion our study revealed that the hypoplastic umbilical artery group’s non-dominant cia had higher ri values than the contralateral dominant cia. results eleven of the 165 patients (6.7%) demonstrated a hypoplastic umbilical artery. second-trimester us showed median dominant and non-dominant cia pi values of 1.43 and 1.60 (p = 0.062), respectively, and median dominant and non-dominant cia ...
Endoscopic ultrasonography (EUS) has been used in the diagnosis of wall-infiltrative lesions, cancers, and submucosal tumors of the gastrointestinal tract. EUS is no longer merely an imaging technique and consequently its applications can therefore be divided into diagnostic and therapeutic categories for pancreatic diseases as well for gastrointestinal diseases. Diagnostic EUS includes convent...
The debate regarding the efficacy of varicocele ligation for improvement of semen parameters and pregnancy rates is ongoing. In addition, no consensus exists as to the benefit of treatment of subclinical varicoceles. The aim of this study was to investigate, retrospectively, the effect of high ligation of both subclinical and clinical varicoceles on sperm count and motility. The value of severa...
Introduction & Objective: There are different methods for detection of fetal growth restriction. The most important methods are serial fondal height (SFH), and ultrasonic measurement. The sensitivities and specifities of those methods are vary among different population, so, in a comparative study, we evaluated the sensitivity and specificity of SFH, a safe and simple method, and Doppler ultr...
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