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Is Hereditary Diffuse Gastric Cancer Genetic?
Is Hereditary Diffuse Gastric Cancer hereditary? Here's what the research says about inherited risk.
- Heritability
- ~80%
- Inheritance
- autosomal-dominant
- Key genes
- CDH1
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Hereditary syndrome causing diffuse-type gastric cancer with lifetime risk up to 80%. Prophylactic gastrectomy is often recommended for carriers.
How Genetic Is Hereditary Diffuse Gastric Cancer?
Hereditary Diffuse Gastric Cancer has a strong genetic basis. Research estimates heritability at approximately 80%, meaning genetic factors account for the majority of variation in whether individuals develop this condition.
Key genes associated with Hereditary Diffuse Gastric Cancer: CDH1. Variants in these genes have been identified through genome-wide association studies (GWAS) and clinical research as influencing susceptibility or severity.
Source: MedlinePlus Genetics
Does Family History Matter for Hereditary Diffuse Gastric Cancer?
Yes — family history is one of the strongest predictors of Hereditary Diffuse Gastric Cancer. If a first-degree relative (parent, sibling, or child) has been diagnosed, your own risk may be significantly elevated. Discussing your family history with a healthcare provider or genetic counsellor is strongly recommended.
Frequently Asked Questions
Is Hereditary Diffuse Gastric Cancer genetic?
This condition has a strong genetic basis. Studies suggest heritability of approximately 80%. Key genes involved include CDH1.
Can a DNA test reveal my risk of Hereditary Diffuse Gastric Cancer?
Yes — DNA tests such as CircleDNA's Premium Test include reports on Hereditary Diffuse Gastric Cancer risk based on your genetic variants.
Does family history matter for Hereditary Diffuse Gastric Cancer?
Yes — family history is one of the strongest predictors of Hereditary Diffuse Gastric Cancer. If a first-degree relative has been diagnosed, your own risk may be significantly elevated.
Is Hereditary Diffuse Gastric Cancer hereditary, meaning it's passed directly from parent to child?
Hereditary Diffuse Gastric Cancer follows a autosomal-dominant inheritance pattern in cases with a clear genetic cause, though not every case is inherited directly from a parent — some arise from new (de novo) mutations or a combination of genetic and environmental factors.
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- MedlinePlus Genetics
- MedlinePlus Genetics — National Library of Medicine
- CDC Genomics and Precision Health
Last updated: · Reviewed by the 247GeneticCheck editorial team
Content compiled with reference to peer-reviewed genetics literature and testing-provider documentation. This site does not provide medical or genetic counselling advice — always consult a healthcare professional or genetic counsellor before acting on DNA test results.
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