Abstract
The special anatomy around the head of pancreas leads to difficulties in arriving at a definitive diagnosis for a pancreatic head mass,the management of which has recently become a hot topic and a challenge for clinicians.Despite recent advances in tumor markers,ultrasound,CT,PET/CT and MRI,some of these pancreatic head masses cannot be diagnosed with certainty.A fine needle aspiration biopsy can be used before operation; however,false negative results not infrequently happen.Based on the reports from domestic and foreign medical literatures published recently,this paper reviewed and discussed the proper treatment strategies when biopsy results from a pancreatic head mass turn out negative. Key words: Pancreatic neoplasms; Pancreatitis,chronic ; Biopsy
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