نتایج جستجو برای: echogenicity

تعداد نتایج: 1208  

2016
Tommaso Banzato Federico Bonsembiante Luca Aresu Alessandro Zotti

BACKGROUND Renal cortical echogenicity is routinely evaluated during ultrasonographic investigation of the kidneys. Both in dog and cat previous ex-vivo studies have revealed a poor correlation between renal echogenicity and corresponding lesions. The aim of this study was to establish the in-vivo relationship between renal cortical echogenicity and renal histopathology. RESULTS Thirty-eight ...

2018
Takeshi Morii Tomonori Kishino Naoko Shimamori Mitsue Motohashi Hiroaki Ohnishi Keita Honya Takayuki Aoyagi Takashi Tajima Shoichi Ichimura

Background Ultrasonography is useful for distinguishing between benign and malignant soft-tissue tumors. However, no study has focused on its usefulness in the differential diagnosis between low-grade and high-grade soft-tissue sarcomas. We conducted a retrospective study to determine the usefulness of the parameters of ultrasonograph and to develop a practical scoring system for distinguishing...

2012
Mohammad Ebrahim Ghamar-Chehreh Hossein Khedmat Mohsen Amini Saeed Taheri

BACKGROUND There are several studies in the literature investigating factors which can induce non-alcoholic fatty liver disease (NAFLD) in different populations. However, the existing literature lacks powerful studies addressing the factors which may predict the severity of NAFLD. OBJECTIVES In the current study, we aimed to evaluate factors independently associated with liver echogenicity in...

Journal: :Annals of vascular diseases 2013
Kotaro Suehiro Noriyasu Morikage Masanori Murakami Osamu Yamashita Makoto Samura Kimikazu Hamano

OBJECTIVES To clarify whether ultrasound findings of skin and subcutaneous tissue represent the severity of lymphedema. MATERIALS AND METHODS Thirty-five patients with secondary lower extremity lymphedema caused by intrapelvic lymph node dissection during cancer surgery, who first visited our clinic between April 2009 and March 2012, were studied retrospectively. At their first visit, skin th...

Journal: :Journal of neurology, neurosurgery, and psychiatry 2005
J D Steele M E Bastin J M Wardlaw K P Ebmeier

BACKGROUND Most empirically derived antidepressants increase monoamine levels. The nuclei of cells synthesising these monoamines are located in the brainstem, and projection tracts such as the medial forebrain bundle reach virtually all other brain areas. Two studies of unipolar depressive illness using transcranial ultrasound have reported reduced echogenicity of the brainstem midline in unipo...

Introduction: Topographic anatomy of the tendons and ligaments in healthy cases provides a normal atlas to diagnose abnormalities. The aim of this study was to provide ultrasonography description of the palmar tendons and ligaments of the Anatoly donkey. Methods: The metacarpal regions of 6 healthy Anatoly donkeys were prepared for ultrasonography and divided to 6 levels (1a, 1b...

Journal: :Stroke 2007
Gerd Ostling Bo Hedblad Göran Berglund Isabel Gonçalves

BACKGROUND AND PURPOSE Diabetes is associated with the presence of moderate to large atherosclerotic carotid plaques. Previous carotid ultrasound studies have associated plaques with low echogenicity with a higher risk of cerebrovascular events. The aim of this study was to evaluate whether patients with type 2 diabetes have different plaque echogenicity than do nondiabetic subjects. METHODS ...

2016
Jong Min Yoon Gwang Ha Kim Do Youn Park Na Ri Shin Sangjeong Ahn Chul Hong Park Jin Sung Lee Key Jo Lee Bong Eun Lee Geun Am Song

BACKGROUND/AIMS Gastric schwannomas are rare benign mesenchymal tumors that are difficult to differentiate from other mesenchymal tumors with malignant potential, such as gastrointestinal stromal tumors. This study aimed to evaluate the characteristic findings of gastric schwannomas via endoscopic ultrasonography (EUS). METHODS We retrospectively reviewed the EUS findings of 27 gastric schwan...

Journal: :Acta dermato-venereologica 2002
Monika Gniadecka Lis Danielsen Lene Henriksen

Sir, Skin oedema is believed to have a negative effect on wound healing and to contribute to skin necrosis and the development of leg ulceration (1, 2). To understand the pathologic signi® cance of oedema, it is important to be able to determine the quantity of ̄ uid content and its localization in the skin. High-frequency ultrasonography visualizes oedema as areas of reduced echogenicity in ski...

Journal: :iranian journal of veterinary medicine 2011
سارنگ سروری majid masoudifard alireza vajhi abdo alrazagh rostami mehdi salimi

twelve left camel forelimbs were collected, and ultrasonography was performed at five different levels around the metacarpal region. limbs were then cut in the transverse plane at levels corresponding to the ultrasound images. transverse and sagittal plane images were taken at each of the five levels, keeping all ultrasound imaging factors constant. echogenicity, diameter, width and cross secti...

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