Endobronchial metastases due to colorectal carcinoma.

Metastatic disease from colorectal carcinoma to the tracheobronchial tree has previously been reported in only 15 cases. Various modalities of treatment have been attempted but have met with limited success. We describe an additional nine cases, as documented by fiberoptic bronchoscopy, treated by Nd-Yag laser therapy debulking. Improvement in bronchial patency was evidenced visually in each case, and relief of symptoms occurred in eight cases. Survival periods of up to 21 months occurred. This type of metastatic disease may be more common than previously reported and combination therapy to include Nd-Yag laser debulking offers a safe and effective alternative in the palliative management of pulmonary symptoms and increased survival in select patients.