raremaprare-disease reference indexOrphadata 2026-06-23 · HPO 2026-09-01
ORPHA:314022

Gastric adenocarcinoma and proximal polyposis of the stomach

Synonyms: Familial fundic gland polyposis with gastric cancer · GAPPS

Type
Disease
Group
Disorder
Inheritance
Autosomal dominant
Age of onset
Adult
Status
active

Gastric adenocarcinoma and proximal polyposis of the stomach (GAPPS) is a rare hereditary gastric cancer characterized by proximal gastric polyposis and increased risk of early-onset, intestinal-type adenocarcinoma of the gastric body, with no duodenal or colorectal polyposis.

1

Names in Orphadata languages

12 of 12 languages
LangNameSynonyms
enGastric adenocarcinoma and proximal polyposis of the stomachFamilial fundic gland polyposis with gastric cancer · GAPPS
frAdénocarcinome gastrique et polypose proximale de l'estomacGAPPS · Polypose familiale des glandes fundiques avec cancer gastrique
deGastrisches Adenokarzinom und proximale Polyposis des MagensFamiliäre Drüsenkörperzysten mit Magenkarzinom · GAPPS-Syndrom
esAdenocarcinoma gástrico y poliposis proximal del estómagoGAPPS · Poliposis familiar de glándulas fúndicas con cáncer gástrico
itAdenocarcinoma gastrico con poliposi prossimale dello stomacoGAPPS · Poliposi familiare delle ghiandole fundiche con cancro gastrico
nlGastrisch adenocarcinoom en proximale polyposis van maagFamiliale polyposis van fundusklieren met maagkanker · GAPPS
ptAdenocarcinoma gástrico e polipose proximal do estômagoGAPPS · Polipose familiar da glândula fúndica com cancro gástrico
plGruczolakorak żołądka i proksymalna polipowatość żołądkaGAPPS
csAdenokarcinom a proximální polypóza žaludkuFamiliární polypóza žlázek fundu s karcinomem žaludku · GAPPS
ukАденокарцинома шлунка та проксимальний поліпоз шлункаСімейний поліпоз фундальної залози з раком шлунка · GAPPS
zh胃腺癌和胃近端息肉家族性基底腺息肉伴胃癌
trMide adenokarsinomu ve midenin proksimal polipozuGAPPS · Mide kanseri ile seyreden ailesel fundik bezi polipozu

Definition in:

2

Cross-references

qualifier = Orphanet mapping relation
SourceCodeQualifierICD relationValidation
OMIM619182Evalidated
ICD-10C16.9NTBTattributedvalidated
ICD-112B72.0NTBTattributedvalidated
MONDO0017790Evalidated
UMLSC1868001Evalidated

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):

No children.

4

Genes

1 direct
GeneAssociationStatusHGNCEnsemblOMIMLocusNameSource of validation
APCDisease-causing germline mutation(s) inAssessedHGNC:583ENSG000001349826117315q22.2APC regulator of Wnt signaling pathway27087319[PMID]
5

Prevalence and incidence

2 records
TypeClassValueAreaQualificationValidationSource
Cases/families28 casesWorldwideCase(s)Validated21813476[PMID]
Point prevalence<1 / 1 000 000—WorldwideClass onlyValidatedORPHANET

Value is Orphadata's ValMoy: the mean estimate per 100 000 for prevalence and incidence, the number of cases or families for case reports.

6

HPO phenotypes

Orphanet has no HPO annotation for this code in this release.

7

Sources for this card