In
pathology, an apudoma is an
endocrine
The endocrine system is a messenger system comprising feedback loops of the hormones released by internal glands of an organism directly into the circulatory system, regulating distant target organs. In vertebrates, the hypothalamus is the neu ...
tumour that arises from an
APUD cell from structures such as the
ampulla of Vater
The ampulla of Vater, also known as the or the hepatopancreatic duct, is formed by the union of the pancreatic duct and the common bile duct. The ampulla is specifically located at the major duodenal papilla.
The ampulla of Vater is an import ...
.
They were historically thought to be derived from
neural crest cells,
but this has since been shown to be untrue (see
neuroendocrine tumor
Neuroendocrine tumors (NETs) are neoplasms that arise from cells of the endocrine (hormonal) and nervous systems. They most commonly occur in the intestine, where they are often called carcinoid tumors, but they are also found in the pancreas, lun ...
).The term dates back to at least 1975.
Because the label "apudoma" is very general, it is preferred to use a more specific term when possible.
See also
*
VIPoma
*
Carcinoid tumor
References
External links
Endocrine neoplasia
{{oncology-stub