An official website of the United States government
Home
SEER Inquiry System - Report
Produced: 10/11/2025 8:37 PM
Question 20140051
Inquiry Details
References:
#1: 2014 SEER Manual
#2: WHO Class Digest System Tumors, 102
Question:
Reportability/Histology: Is this reporatable? If so, what is the correct histology?
2012 duodenal nodule biopsy, pathology positive for well differentiated neuroendocrine neoplasm.
Discussion:
Answer:
Report this case as 8240/3. In this context, well differentiated neuroendocrine neoplasm seems to be a synonym for neuroendocrine tumor (NET) G1 (carcinoid). According to the WHO classification, "Neuroendocrine neoplasms of the duodenum comprise NETs..."
Cancer Site Category:
N/A
Data Item Category:
Histology
Other Category:
Reportability
Year:
2014
