Abstract:Periampullary neoplasms are a heterogeneous group of tumors arising within 2 cm of the ampulla of Vater. Neuroendocrine tumors can originate throughout the entire body from neuroendocrine cells. These neoplasms exhibit deep differences, according to their origin and biological behavior. The synchronous presence of a primary tumor in patients affected by a neuroendocrine tumor is reported in the literature; incidence is variable and the most common site is the gastrointestinal tract. Here we report a case of 68… Show more
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