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Related Experiment Videos

Bronchial carcinoids: long-term prognostic factors.

D Chapleau1, A Pagé, A Verdant

  • 1Department of Surgery, Université de Montréal, PQ.

Canadian Journal of Surgery. Journal Canadien De Chirurgie
|April 1, 1991
PubMed
Summary

Bronchial carcinoids are low-grade malignant tumors. Surgical resection is effective, with high survival rates, but lymph node metastasis necessitates a more aggressive surgical strategy.

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Area of Science:

  • Pulmonology
  • Oncology
  • Thoracic Surgery

Background:

  • Bronchial carcinoids are rare neuroendocrine tumors of the lung.
  • Diagnosis and management strategies for bronchial carcinoids have evolved over time.

Purpose of the Study:

  • To review the clinical characteristics, diagnostic methods, and treatment outcomes of bronchial carcinoids.
  • To evaluate the prognostic factors and survival rates associated with bronchial carcinoids.

Main Methods:

  • Retrospective analysis of 41 patients diagnosed with bronchial carcinoids between 1962 and 1987.
  • Review of diagnostic procedures including endoscopic biopsy, sputum cytology, and transthoracic biopsy.
  • Analysis of surgical interventions, including lobectomy, pneumonectomy, segmentectomy, and wedge resection.

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Main Results:

  • Most asymptomatic carcinoids were detected via chest radiography; symptomatic patients often presented with pneumonia or hemoptysis.
  • Endoscopic biopsy had a 66% sensitivity; sputum cytology and transthoracic biopsy were not diagnostically valuable.
  • Surgical resection resulted in a 3% mortality and 3% major complication rate. Survival rates were 97% at 5 years and 92% at 10 years.
  • Peripheral tumors had no associated mortality, while central tumors with transbronchial invasion and lymph node metastasis were linked to mortality.

Conclusions:

  • Bronchial carcinoids are low-grade malignant tumors with excellent long-term survival after surgical resection.
  • Conservative resection is recommended, but lymph node involvement mandates a more radical surgical approach.
  • Transbronchial invasion and lymph node metastasis are critical indicators for prognosis in bronchial carcinoid patients.