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Les tumeurs stromales gastriques : à propos de trois cas

Gastric stromal tumors: about three cases

  • Cas Clinique / Case Report
  • Published:
Journal Africain du Cancer / African Journal of Cancer

Résumé

Les tumeurs stromales digestives sont les tumeurs mésenchymateuses les plus fréquentes du tube digestif. Ces tumeurs ont fait l’objet de nombreuses controverses en termes d’histogenèse et de classification. Elles s’intègrent maintenant dans un cadre nosologique précis depuis la découverte de l’expression par les cellules tumorales de la protéine c-kit. Leur potentiel de malignité est souvent difficile à évaluer. Le diagnostic est confirmé par l’étude anatomopathologique de la pièce opératoire complétée par l’étude immunohistochimique. Le traitement est essentiellement chirurgical, la radiothérapie et la chimiothérapie étant peu efficaces. Ces tumeurs sont particulièrement d’actualité depuis la découverte d’un traitement des formes malignes agressives localement avancées, inopérables et/ou métastatiques par un inhibiteur de la tyrosine-kinase (STI 571 ou Glivec®).

Abstract

Gastrointestinal stromal tumors (GISTs) are the most frequent mesenchymal tumors of the digestive tract. These tumors are the subject of numerous controversies in terms of histogenesis and classification. They now become integrated into a precise nosologic frame (executive) since the discovery of the expression by the tumoral cells of the protein c-kit. Their malignant potential is often difficult to estimate. The diagnosis is confirmed by the anatomopathologic study completed by the immunohistochimic study. The treatment is essentially surgical, with radiotherapy and chemotherapy being little effective. These tumors are particularly of current importance since the discovery of a treatment for the locally advanced, aggressive malignant forms, inoperable and/or metastatic by an inhibitor of the tyrosine kinase (STI 571 or Glivec®).

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Correspondence to M. Moujahid.

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Moujahid, M., Tajdine, M.T., Achour, A. et al. Les tumeurs stromales gastriques : à propos de trois cas. J Afr Cancer 7, 59–63 (2015). https://doi.org/10.1007/s12558-013-0277-6

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  • DOI: https://doi.org/10.1007/s12558-013-0277-6

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