48,830
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Line 4: | Line 4: | ||
*Very rare. | *Very rare. | ||
*APC promotor IB mutations.<ref name=pmid30584346/> | *APC promotor IB mutations.<ref name=pmid30584346/> | ||
==Criteria== | |||
Features - all required:<ref name=pmid30584346/> | |||
*Polyps of stomach in body and fundus only. | |||
**>100 polyps in index case ''or'' >30 polyps in first degree relative. | |||
**Histology predominantly [[fundic gland polyp]]s - some with dysplasia or adenocarcinoma. | |||
*No colorectal or duodenal polyposis. | |||
*Autosomal dominant inheritance. | |||
*Exclusion of other heritable polyposis syndrome involving the stomach, PPI use. | |||
==See also== | ==See also== |
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