Korean J Gastroenterol.
2021 Nov;78(5):300-304. 10.4166/kjg.2021.125.
Cystic Primary Hepatic Neuroendocrine Tumor
- Affiliations
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- 1Departments of Internal Medicine , Dankook University College of Medicine, Cheonan, Korea
- 2Departments of Pathology , Dankook University College of Medicine, Cheonan, Korea
- KMID: 2522598
- DOI: http://doi.org/10.4166/kjg.2021.125
Abstract
- Neuroendocrine tumors (NETs) can arise throughout the body. Most NETs in the liver are metastatic tumors; primary hepatic NET (PHNET) is extremely rare. A diagnosis of PHNET is very difficult. No single modality can diagnose PHNET by itself, and it often resembles other hypervascular masses of the liver. This paper reports the case of a 51-year old female with a large hepatic mass. Unlike most of PHNETs reported previously, it was composed of a solid mass with mainly multiple cystic lesions, which led to an erroneous diagnosis of hepatic mucinous cystadenoma or cystadenocarcinoma. PHNET with cystic lesions is extremely rare, and the features are not well studied. This case may help physicians suspect PHNET in a differential diagnosis of an atypical hepatic mass.
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