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Benign Tumors of the Tracheobronchial Tree

Endoscopic Characteristics and Role of Laser Resection
      We conducted a review of all the bronchoscopies performed at our institutions for benign tumors from 1980 to 1991 to determine the endoscopic characteristics of these lesions. We reviewed the charts, the endoscopic characteristics from our video records, and finally the pathologic findings of these cases. We tried to identify the effectiveness of laser resections in each group. Of a total of 3,937 patients, 185 (4.7%) were benign tumors. On these patients, 317 procedures were carried out. There were 3 myoblastomas, 53 papillomas, 1 adenoma, 8 chondromas, 4 fibromas, 45 hamartomas, 15 hamarto-chondromas, 6 lipomas, 19 angiomas, 5 leiomyomas, 4 schwannomas, 1 neurofibroma, and 21 amyloidomas. Results of laser resection were “Very good” in 115 (62%) and “good” in 70 (38%). Complications were minimal: two mediastinal emphysemas, one pneumothorax, and one anesthesia-related cardiac arrest leading to the single death in this series. In general, benign tumors of the proximal endobronchial tree responded well to laser resection when their endoscopic appearance is recognized and prognosis known. Even when recurrent, repeated procedures can be performed easily with good results. This series is probably the largest in the world's literature about endoscopic recognition and the role of laser resection in patients presenting with benign endobronchial tumors.
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