[Gastrointestinal stromal tumors].

  • 1 April 2001
    • journal article
    • research article
    • Vol. 138  (2) , 104-8
Abstract
There are two main types of gastrointestinal connective tissue tumors: differentiated connective tissue tumors arising from smooth muscle tissue, schwanommas or fibroblastic tissue, and non-differentiated connective tissue tumors with no precise origin. Pathologically non-classifiable tumors comprise a group of real gastrointestinal stromal tumors. Stromal tumors are rare and generally develop in the stomach. Immunohistochemistry has been able to identify three entities: stromal tumorswith skenoid fibers, gastoinestinal autonomic nerve tumors, and intraabdominal desmoplastic small round-cell tumors. After resection, survival is almost 50% at 5 years and depends particulary on tumors size, the presence of synchronous metastases and mitosis count.

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