" /> Gastrointestinal Stromal Tumor - CISMeF





Preferred Label : Gastrointestinal Stromal Tumor;

NCIt synonyms : Gastrointestinal Stromal Neoplasm;

NCIt related terms : GIST, NOS; GISTs; Gastrointestinal Stromal Tumor (GIST); Gastrointestinal stromal tumor, NOS; GIST; Gastrointestinal stromal tumor, unspecified site;

NCIt definition : A stromal tumor most commonly seen in the gastrointestinal tract. Rare cases of solitary masses in the omentum or the mesentery have also been reported (extragastrointestinal gastrointestinal stromal tumor). It is a tumor that differentiates along the lines of interstitial cells of Cajal. Most cases contain KIT- or PDGFRA-activating mutations. Until recently, surgery has been the only effective therapy for this tumor. However, many patients still experience recurrence. Conventional chemotherapy and radiation therapy have been of limited value. A KIT tyrosine kinase inhibitor, imatinib mesylate (also known as STI-571 or Gleevec), is now effective in the treatment of relapsed and unresectable cases.;

Alternative definition : NCI-GLOSS: A type of tumor that usually begins in cells in the wall of the gastrointestinal tract. It can be benign or malignant.;

Neoplastic status : Undetermined;

ICD-O code : 8936/1;

Codes from synonyms : 10051066; CDR0000044406; CDR0000044998; C49.A0;

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02/05/2025


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