gastric neuroendocrine neoplasm
Findings
No curated finding names gastric neuroendocrine neoplasm yet. Everything below is reference data from Mondo, HPO and GenCC, not evidence about what affects it.
Definition
A neoplasm with neuroendocrine differentiation that arises from the stomach. It includes well differentiated neuroendocrine tumors (low and intermediate grade) and poorly differentiated neuroendocrine carcinomas (high grade).
Definition from the Mondo Disease Ontology (MONDO:0003111), read 2026-09-29. CC BY 4.0.
Features
32 features
What the disease is reported to present with, and how often among people who have it — never how often a feature means the disease. HPO, annotations 2026-09-02.
- Carcinoid tumorHPOHP:0100570
- Obligate (100% of cases)
- AnorexiaHPOHP:0002039
- Frequent (30% to 79% of cases)
- Episodic abdominal painHPOHP:0002574
- Frequent (30% to 79% of cases)
- Intermittent diarrheaHPOHP:0002254
- Frequent (30% to 79% of cases)
- Iron deficiency anemiaHPOHP:0001891
- Frequent (30% to 79% of cases)
- Nausea and vomitingHPOHP:0002017
- Frequent (30% to 79% of cases)
- Poor appetiteHPOHP:0004396
- Frequent (30% to 79% of cases)
- Weight lossHPOHP:0001824
- Frequent (30% to 79% of cases)
- Atypical pulmonary carcinoid tumorHPOHP:0030446
- Occasional (5% to 29% of cases)
- Bloody diarrheaHPOHP:0025085
- Occasional (5% to 29% of cases)
- Chronic noninfectious lymphadenopathyHPOHP:0002730
- Occasional (5% to 29% of cases)
- Dermatological manifestations of systemic disordersHPOHP:0001005
- Occasional (5% to 29% of cases)
Show the remaining 20
- Elevated circulating hepatic transaminase concentrationHPOHP:0002910
- Occasional (5% to 29% of cases)
- HematemesisHPOHP:0002248
- Occasional (5% to 29% of cases)
- HepatomegalyHPOHP:0002240
- Occasional (5% to 29% of cases)
- Lack of bowel soundsHPOHP:0030145
- Occasional (5% to 29% of cases)
- MelenaHPOHP:0002249
- Occasional (5% to 29% of cases)
- Zollinger-Ellison syndromeHPOHP:0002044
- Occasional (5% to 29% of cases)
Genes
1 gene
Germline variants in the gene encoding each protein, as classified by GenCC submitters, each in their own words. Limited, disputed and refuted submissions are listed too.
- ATP4AHGNC:819
- Limited · Ambry Genetics · Autosomal recessive · 2018
Where it sits
Other names
9 names
Resolves to: gastric neuroendocrine neoplasm
- Also called
- NET of stomachneuroendocrine neoplasm of stomachneuroendocrine neoplasm of the stomachneuroendocrine tumour of the stomachstomach NETstomach neuroendocrine neoplasmstomach neuroendocrine tumorstomach neuroendocrine tumor, well differentiated, low or intermediate gradestomach neuroendocrine tumour