Introduction: EUS-FNTA is increasingly used in the diagnosis of pancreatic endocrine tumors (PETs). Ki-67 expression, an important prognostic factor according to the WHO classification, is difficult to be determined on cytological specimens.
Aim(s): We prospectively evaluated the feasibility and yield of EUS-FNTA to obtain tissue samples for histological diagnosis and Ki-67 expression in patients with suspected PETs.
Materials and methods: Twenty-five consecutive patients with suspicious PETs underwent, between August 2009 and September 2010, EUS-FNTA using a 19G needle. The collected specimens were placed directly in formalin for histological examination. Overall, EUS-FNTA could be performed in all patients without complications.
Conference: 9th Annual ENETS Conference (2012)
Presenting Author: Prof Laura De Marinis
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