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Carcinoid Tumor

A usually small, slow-growing neoplasm composed of islands of rounded, oxyphilic, or spindle-shaped cells of medium size, with moderately small vesicular nuclei, and covered by intact mucosa with a yellow cut surface. The tumor can occur anywhere in the gastrointestinal tract (and in the lungs and other sites); approximately 90% arise in the appendix. It is now established that these tumors are of neuroendocrine origin and derive from a primitive stem cell. (From Stedman, 25th ed and Holland et al., Cancer Medicine, 3d ed, p1182)

Year introduced: 1968

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Tree Number(s): C04.557.465.625.650.200, C04.557.470.200.025.200, C04.557.580.625.650.200

MeSH Unique ID: D002276

Entry Terms:

  • Carcinoid Tumors
  • Tumor, Carcinoid
  • Tumors, Carcinoid
  • Carcinoid
  • Carcinoids
  • Carcinoid, Goblet Cell
  • Carcinoids, Goblet Cell
  • Goblet Cell Carcinoid
  • Goblet Cell Carcinoids
  • Argentaffinoma
  • Argentaffinomas

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