Clinical Experience with Pleuroscopy Utilizing the Bronchofiberscope

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Abstract
The gas sterilized bronchofiberscope has been utilized as a pleuroscope for visual exploration of the pleural space and forceps biopsy of abnormal lesions in 16 patients with undiagnosed pleural disease. The instrument was inserted through a small (1–2 cm) incision. Aspiration of pleural fluid and instillation or aspiration of air to produce a controlled pneumothorax are easily accomplished through the instrument's suction channel. In eight patients with undiagnosed pleural effusion, biopsy of visualized nodules established the diagnosis of carcinoma. Three patients with bronchogenic carcinoma and pleural effusion had no pleural metastases at pleuroscopy which was confirmed in two patients who had thoracotomy and lung resection. Parenchymal subpleural nodules of metastatic carcinoma were confirmed by pleuroscopic biopsy in one patient. Biopsy via the pleuroscope was unsuccessful in two patients, one with pleural fibrosis, probably related to asbestosis, and one with mesothelioma. Both required open surgical biopsy of the pleura. There has been minimal patient discomfort and no serious complications.

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