L Bornstein-Quevedo et al.
Human pathology, 32(11), 1252-1256 (2001-12-01)
Carcinoid tumors of the ampulla of Vater (ACs) differ from duodenal carcinoid tumors (DCs). A search for AC and DC was made between 1980 and 2000. The clinicopathologic features and follow-up were assessed. Immunohistochemistry for panneuroendocrine markers, hormone products, proliferating