Intrapancreatic recurrence of intraductal tubulopapillary neoplasm (ITPN) 16 years after the initial surgery for noninvasive ITPN: a case report
Abstract Background Intraductal tubulopapillary neoplasm (ITPN) is a rare pancreatic intraductal neoplasm.It is characterized by a tubulopapillary growth pattern, entirely high-grade atypical cells, minimal cytoplasmic mucin, mudra fitted tee and no obvious luminal mucin secretion.Most of its biological nature remains unclear.Case presentation We h