[Gastrointestinal stromal tumors (GIST): at the forefront of targeted therapies].

Abstract excerpt

Although gastrointestinal stromal tumors (GIST) are the most frequent sarcomas, they were usually not diagnosed before 1998. GIST derive from interstitial cells of Cajal, and may develop along the digestive tract, mainly from stomach and small intestine. GIST are characterized by the expression of KIT (CD117), and mutations KIT or PDGFRA are present in 85 % of cases. More than 150 different types of mutations...

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