Grfoma

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2021-01-23
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GRFoma is a type of pancreatic endocrine tumor (see this term) that hypersecretes growth hormone-releasing factor (GRF or GHRH) and that clinically resembles a pituitary adenoma (see this term) as patients present with acromegaly. In addition to the pancreas, this tumor can also occur in the lungs or small intestine, are usually large > 6cm and approximately 1/3 have metastasized at the time of diagnosis. It often co-occurs with Zollinger-Ellison syndrome or multiple endocrine neoplasia type 1 (MEN 1; see these terms).