Diagnostic value of EUS for pancreatic neuroendocrine tumours

VernacularTitle:超声内镜对胰神经内分泌肿瘤的诊断价值
Author: Jintao GUO ; Zhijun LIU ; Siyu SUN ; Xiang LIU ; Sheng WANG ; Nan GE ; Guoxin WANG
Publication Type:Journal Article
Keywords: Endoscopic ultrasonography; Pancreatic neuroendocrine tumours; EUS guided fineneedle aspiration
From: Chinese Journal of Digestive Endoscopy 2012;29(9):503-505
CountryChina
Language:Chinese
Abstract: ObjectiveTo assess the diagnostic value of EUS for pancreatic neuroendocrine tumors.MethodsClinical data of 26 patients with final diagnosis of pancreatic neuroendocrine tumors,who had underwent EUS and EUS-FNA,were retrospectively analyzed.Results On EUS,pancreatic neuroendocrine tumors presented as hypoechoic masses with clear margins and rich blood flow.Of the 26 pancreatic lesions,3 were in the head,2 in unicate process,2 in neck,11 in body and 8 in tail.The tumors presented with function in 16 ( mean size 9 mm),and on function in 10 ( mean size 29 mm).EUS-FNA yeilded positive results in 22 patients and negative in 4.The accuracy rate of EUS for preoperative localization was 100％ in 23 patients who underwent surgery.ConclusionEUS can provide accurate preoperative localization and pathologic evidence for pancreatic neuroendocrine tumors.