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Start free with EleplanNeuroendocrine neoplasm of appendix
ORPHA:100079Disease
Also called Appendiceal NEN · Appendiceal neuroendocrine neoplasm · NEN of appendix
What it is
A rare sporadic neoplasm of the appendix and the second most common type of digestive endocrine tumor, often with no specific clinical presentation. They are divided into either classic endocrine tumor of the appendix or the more aggressive goblet cell carcinoma (GCC).
Key facts
- Age of onset
- Adult
- Classified as
- Disease
Signs and symptoms
Common30–79%
9These ranges are how often a sign appears across everyone diagnosed, not a prediction for one person — most people have some of these and not others. Orphanet also records findings that are specifically absent in this disease; those are in the data but not listed here.
ICD-10 codes
ICD-10 has no distinct code for most rare diseases, so many are filed under the nearest available one. A shared code identifies the group, not this disease — the ORPHAcode above is what identifies it.
Related health topics
Reached through the ICD-10 categories this disease is filed under, so these describe the broader group rather than this disease specifically.
Cross-references
Orphadata Science: Free access data from Orphanet. © INSERM 1999. Data version 2026-06-23. Available under CC BY 4.0. This is a reference, not medical advice.
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