raremaprare-disease reference indexOrphadata 2026-06-23 · HPO 2026-09-01
ORPHA:100079

Neuroendocrine neoplasm of appendix

Synonyms: Appendiceal NEN · Appendiceal neuroendocrine neoplasm · NEN of appendix

Type
Disease
Group
Disorder
Age of onset
Adult
Status
active

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).

1

Names in Orphadata languages

12 of 12 languages
LangNameSynonyms
enNeuroendocrine neoplasm of appendixAppendiceal NEN · Appendiceal neuroendocrine neoplasm · NEN of appendix
frNéoplasme neuroendocrine de l'appendiceNEN appendiculaire · NEN de l'appendice · Néoplasme neuroendocrine appendiculaire
deTumor, neuroendokriner, der AppendixAppendikale NEN · Appendikale neuroendokrine Neoplasie · NEN der Appendix
esNeoplasia neuroendocrina de apéndiceNeoplasia neuroendocrina apendicular · TNE apendicular · TNE de apéndice
itTumore endocrino dell'appendiceTumore endocrino appendicolare
nlNeuro-endocrien neoplasma van appendixAppendiculair NEN · Appendiculair neuro-endocrien neoplasma · NEN van appendix
ptTumor endócrino do apêndice
plGuz neuroendokrynny wyrostka robaczkowego= en
csEndokrinní nádor appendixu= en
ukНейроендокринна пухлина апендиксаНЕП аппендіксу · Нейроендокринна пухлина аппендіксу · НЕП аппендіксу
zh阑尾神经内分泌肿瘤阑尾神经内分泌瘤
trApendiks nöroendokrin neoplazmıApansise ait NEN · Apendiks NEN · Apendiks nöroendokrin neoplazmı

Definition in:

2

Cross-references

qualifier = Orphanet mapping relation
SourceCodeQualifierICD relationValidation
ICD-10C18.1NTBTattributedvalidated
ICD-10D37.3NTBTattributedvalidated
ICD-112B81.2Especificvalidated
MONDO0015066Evalidated
MONDO15066Evalidated
UMLSC1879718Evalidated

E exact · NTBT this ORPHAcode is narrower than the target · BTNT broader than the target · ND not decided.

3

Classification

Preferential parent (Orphanet linearisation):

Parents in the classifications (2):

Children (2):

4

Genes

0 direct

Orphanet records no gene directly on this code.

5

Prevalence and incidence

0 records

No prevalence record in this release.

6

HPO phenotypes

30 annotations · validated 2017-11-08
HPOTerm (as annotated by Orphanet)Diagnostic
Obligate (100%)
HP:0006723Intestinal carcinoid
Frequent (79-30%)
HP:0011848Abdominal colic
HP:0030142Abnormal bowel sounds
HP:0012701Bowel urgency
HP:0002574Episodic abdominal pain
HP:0005249Functional intestinal obstruction
HP:0030144Hypoactive bowel sounds
HP:0010676Mechanical ileus
HP:0002017Nausea and vomiting
HP:0004396Poor appetite
Occasional (29-5%)
HP:0040276Adenocarcinoma of the colon
HP:0002039Anorexia
HP:0002730Chronic noninfectious lymphadenopathy
HP:0002019Constipation
HP:0002910Elevated circulating hepatic transaminase concentration
HP:0003148Elevated serum acid phosphatase
HP:0002240Hepatomegaly
HP:0030412Ileal adenocarcinoma
HP:0004385Protracted diarrhea
Very rare (<4-1%)
HP:0011749Adrenocorticotropic hormone excess
HP:0031499Appendiceal mucinous neoplasm
HP:0002099Asthma
HP:0030148Heart murmur
HP:0002615Hypotension
HP:0003144Increased serum serotonin
HP:0005211Midgut malrotation
HP:0100615Ovarian neoplasm
HP:0001962Palpitations
HP:0001579Primary hypercortisolism
HP:0010446Tricuspid stenosis

Run the differential on the 1 obligate / very frequent terms

Annotation source: 12115365[PMID]_21741512[PMID]_25840530[PMID]_8466309[PMID]_25840530[PMID]_22052063[PMID]_28326748[PMID]_27311320[PMID]_27306228[PMID]_26774818[PMID]_23049637[PMID]_20631606[PMID]_19363829[PMID]_17082811[PMID]_10832290[PMID]_10352529[PMID]_10323177[PMID]_14047627[PMID]_18887660[PMID]

7

Sources for this card