Calcitonin-secreting pancreatic neuroendocrine tumor in a patient with elevated thyroid fine-needle aspirate calcitonin washout: A case report and review of the literature

Darryl Mason; Robert Leimbach; Robert Kitz; Robert Vietor; Nicole Vietor

doi:10.1002/ccr3.5296

Calcitonin-secreting pancreatic neuroendocrine tumor in a patient with elevated thyroid fine-needle aspirate calcitonin washout: A case report and review of the literature

Darryl Mason, Robert Leimbach, Robert Kitz, Robert Vietor, Nicole Vietor

Medicine

Research output: Contribution to journal › Article › peer-review

Abstract

We report the unique case of a patient with previously proven non-functional PanNET and Graves' disease with thyroid nodules. The patient had elevated intranodular calcitonin, but no MTC or c-cell hyperplasia on thyroidectomy. They were found to have calcitonin secreting PanNET. This case presents a false-positive intranodular calcitonin.

Original language	English
Pages (from-to)	e05296
Journal	Clinical Case Reports
Volume	10
Issue number	1
DOIs	https://doi.org/10.1002/ccr3.5296
State	Published - Jan 2022

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10.1002/ccr3.5296

Cite this

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title = "Calcitonin-secreting pancreatic neuroendocrine tumor in a patient with elevated thyroid fine-needle aspirate calcitonin washout: A case report and review of the literature",

abstract = "We report the unique case of a patient with previously proven non-functional PanNET and Graves' disease with thyroid nodules. The patient had elevated intranodular calcitonin, but no MTC or c-cell hyperplasia on thyroidectomy. They were found to have calcitonin secreting PanNET. This case presents a false-positive intranodular calcitonin.",

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AB - We report the unique case of a patient with previously proven non-functional PanNET and Graves' disease with thyroid nodules. The patient had elevated intranodular calcitonin, but no MTC or c-cell hyperplasia on thyroidectomy. They were found to have calcitonin secreting PanNET. This case presents a false-positive intranodular calcitonin.

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