نتایج جستجو برای: endoscopic ultrasonography
تعداد نتایج: 96298 فیلتر نتایج به سال:
BACKGROUND AND OBJECTIVES Due to the increasing use of endoscopic techniques for colon cancer resection, pretreatment locoregional staging may gain critical interest. The use of endoscopic ultrasonography (EUS) miniprobes in this context has been seldom reported. Our aim was to determine the accuracy of EUS miniprobes for colon cancer staging. MATERIALS AND METHODS Forty patients with colon c...
OBJECTIVES To investigate the usefulness of contrast-enhanced endoscopic ultrasonography (CE-EUS) for histological differentiation of pancreatic tumors. METHODS CE-EUS was performed for consecutive patients having a pancreatic solid lesion, and tumors were classified into three vascular patterns (hypervascular, isovascular, and hypovascular) at two time phases (early-phase and late-phase). Co...
BACKGROUND EUS is complicated because of the subtleties of US interpretation, small fields of observation, and uncertainty of probe position and orientation. OBJECTIVE Improved EUS performance is sought by providing contextual information to support US probe positioning and identification of features in US images. Our aims were to demonstrate the feasibility of the image registered gastroscop...
The inspection of the liver is a valuable part of the upper endoscopic ultrasonography (EUS) studies, regardless of the primary indication for the examination. The detailed images of the liver segments provided by EUS allows the use of this technique in the study of parenchymal liver disease and even in the diagnosis and classification of focal liver lesions. EUS has also emerged as an importan...
Solitary rectal ulcer syndrome (SRUS) is an uncommon poorly understood benign disorder of defecation. SRUS may simulate other disorders such as inflammatory bowel disease andneoplasms. Histopathological analysis forms the cornerstone of diagnosis for SRUS.Key histological features include fibromuscular obliteration of the lamina propria with splaying of the muscularis mucosae upward between the...
index of 50 was admitted to our intensive care unit with the clinical appearance of severe biliary pancreatitis. Bedside ultra− sonography was difficult due to the pa− tient’s obesity but revealed a dilated common bile duct (l" Fig. 1). Convention− al endoscopic retrograde cholangiogra− phy (ERC) with X−rays was considered impossible due to the obesity. Bedside endosonography (EG 383OUT; Pentax...
The technical advances in endoscopic ultrasonograpy (EUS) and accessories have enabled performing EUS-guided intervention in the pancreas and biliary tract. Many research centers have been performing or investigating EUS-guided drainage, EUS-guided celiac plexus neurolysis and block, EUS-guided anastomosis that includes choledocho-enterostomy and choledocho-gastrostomy, EUS-guided ablation and ...
Endoscopic ultrasonography (EUS) is considered a superior investigation when compared to conventional ultrasonography for imaging gall bladder (GB) lesions as it can provide high-resolution images of small lesions with higher ultrasound frequencies. Examination of GB is frequently the primary indication of EUS imaging. Imaging during EUS may not remain restricted to one station and multi-statio...
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