Abstract
Forty-five percutaneous trephine lung biopsies using the Steel apparatus were performed on 38 patients. Tissue was obtained on 42 occasions (94%) leading to histological or culture diagnosis in 33 patients (87%). Pneumothoraces (12 patients), bleeding into the airways or pleural space (4 patients), and tumour seeding along the needle track (1 patient) occurred in 38% of biopsy attempts (45% of patients). In contrast to the Vim-Silverman technique, the Steel trephine appears to produce a higher tissue yield and superior specimens for histological study. Trephine lung biopsy is comparable to open lung biopsy in providing positive diagnoses. With anticipation and expeditious management of complications, trephine lung biopsy is both safe and useful in the diagnosis of pulmonary disease.
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