Capt Buehner is a general surgery resident, Dr. Raj is a pathology resident, and Dr. Graybill is an endocrinologist, all at Brooke Army Medical Center at Fort Sam Houston in San Antonio, Texas. Dr. Will is a pathologist at United States Air Force Academy in Colorado Springs, Colorado. Lt Col Learn is assistant professor of surgery at Uniformed Services University in Bethesda, Maryland.
Author Disclosures The authors report no actual or potential conflicts of interest with regard to this article.
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Extrahepatic biliary neuroendocrine tumors are rare. Further investigation into biliary tree NET staging and future studies to determine the significance of intracytoplasmic inclusions may be beneficial . This case highlights the appropriate use of genetic testing and supports expanding the clinical diagnosis of MEN1 to include NETs of the extrahepatic bile duct.
