stomach tumours

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Benign tumours are reported in 5-25% of autopsies but are very uncommon clinical problems. Types:

  • epithelial
    • adenoma:
      • single - polyp
      • multiple - gastric polyposis
    • leiomyoma
  • connective tissue:
  • þþ fibroma

      • neurofibroma
    • vascular
      • haemangioma

    Malignant:

    • primary - the most common gastric neoplasm:
      • adenocarcinoma - 95%
      • lymphoma }
      • leiomyosarcoma } 5%
      • carcinoid }
    • secondary - uncommon. Sources include:
      • as part of a generalised lymphomatosis or leukaemia
      • less commonly, spread from a breast carcinoma or malignant melanoma
      • spread from adjacent intestinal organs e.g. pancreas.

    Last reviewed 01/2018

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