Abstract：
:Primary neuroendocrine tumors of the ampulla of Vater are rare. These tumors, like those of the respiratory tract and remainder of the gastrointestinal tract, appear along a histologic spectrum of increasing malignancy from low-grade carcinoid tumors to high-grade small cell undifferentiated cancers. We herein describe the characteristics of these ampullary neoplasms and report the first case of a neuroendocrine carcinoma of non-small cell type, which represents the middle of this histologic continuum. This tumor seems to follow a more aggressive course than the carcinoid tumor but less aggressive than its small cell counterpart.
journal_name
Surgeryjournal_title
Surgeryauthors
Emory RE Jr,Emory TS,Goellner JR,Grant CS,Nagorney DMsubject
Has Abstractpub_date
1994-06-01 00:00:00pages
762-6issue
6eissn
0039-6060issn
1532-7361journal_volume
115pub_type
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