A Novel Germline KIT Mutation (p.L576P) in a Family Presenting With Juvenile Onset of Multiple Gastrointestinal Stromal Tumors, Skin Hyperpigmentations, and Esophageal Stenosis

Abstract excerpt

Familial gastrointestinal stromal tumor (GIST) syndrome is a rare autosomal dominant genetic disorder. We report on a kindred in which 3 family members carry a germline mutation (c.1727T>C, p.L576P) in exon 11 of the KIT gene. This mutation was not reported so far in familial GISTs. Apart from multiple GISTs in 2 of the mutation carriers, all of them had multiple hyperpigmented skin macules and a history of...

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