Liver and intrahepatic bile ducts - tumor
Other malignancies
Carcinoid tumor

Author: Deepali Jain, M.D. (see Authors page)

Revised: 30 November 2017, last major update February 2012

Copyright: (c) 2002-2017,, Inc.

PubMed Search: Carcinoid tumor[TI] liver[TI]

Cite this page: Jain, D. Carcinoid tumor. website. Accessed October 15th, 2018.
Definition / general
  • Well differentiated neuroendocrine tumor
  • Very rare as primary hepatic tumor (< 100 cases reported); usually represents metastasis from GI tumor (small intestinal primaries may be very small)
  • Slightly more frequent in females
  • Rarely associated with Zollinger-Ellison syndrome, VIP production
  • Indolent low grade clinical course with prolonged survival but recurs or metastasizes more frequently than appendiceal carcinoids (Arch Pathol Lab Med 2003;127:1200)
Case reports
  • Surgical resection
Gross images

Images hosted on other servers:

62 year old woman
with tan gray tumor
that has soft, fish
flesh cut surface

Microscopic (histologic) description
  • Nested, trabecular or microacinar architecture
  • Composed of small, uniform tumor cells with granular chromatin and round nuclei
  • Often stromal hyalinization
Microscopic (histologic) images

Images hosted on other servers:

62 year old woman with primary hepatic carcinoid tumor

Primary liver tumor in patient with Zollinger-Ellison syndrome

Liver metastases from colon primary

A / B: liver metastases from lung primary