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[Gastrointestinal carcinoid tumor].

Jong-Mu Sun1, Hyun Chae Jung

  • 1Department of Internal Medicine, Seoul National University College of Medicine, Seoul, Korea.

The Korean Journal of Gastroenterology = Taehan Sohwagi Hakhoe Chi
|August 27, 2004
PubMed
Summary

Carcinoid tumors, originating from neuroendocrine cells, most commonly affect the GI tract. While often slow-growing, they can metastasize, especially when larger than 2 cm, and advanced stages remain incurable.

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Area of Science:

  • Oncology
  • Gastroenterology
  • Endocrinology

Context:

  • Carcinoid tumors arise from neuroendocrine cells, frequently in the gastrointestinal tract.
  • These tumors exhibit variable clinical courses, from indolent to aggressive.
  • Carcinoid syndrome occurs in about 10% of patients due to bioactive mediator secretion.

Purpose:

  • To summarize the key aspects of carcinoid tumors, including their origin, clinical presentation, and metastatic potential.
  • To outline the current understanding of carcinoid tumor management and treatment strategies.
  • To highlight the challenges in treating advanced carcinoid disease.

Summary:

  • Carcinoid tumors originate from neuroendocrine cells, with 74% occurring in the GI tract.
  • Metastasis risk increases significantly with tumor size (>2.0 cm).
  • Management involves a multimodality approach, including surgical excision, with local excision for specific types (gastric, rectal).

Impact:

  • Provides a concise overview for clinicians and researchers on carcinoid tumor characteristics.
  • Emphasizes the importance of tumor size in predicting metastatic spread.
  • Underscores the limitations of current treatments for advanced carcinoid tumors, indicating a need for further research.

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