Purpose: To evaluate the usefulness of transcutaneous needle biopsy (TCNB).
Material And Methods: From May 1988 to December 1994, we performed TCNB under fluoroscopic control in 408 patients with mass lesions of the peripheral lung. The Surecut needle (1.5 mm) was selected mainly because of its ability to obtain specimens large enough for histological examination. Of the 408 patients, 286 had had previous bronchofiberscopic examinations but no definite diagnosis had been reached.
Results: A definite diagnosis was obtained by TCNB in 305 (74.7%) of 408 cases (251 malignant neoplasms, 54 benign lesions). In malignant neoplasms, the pathological diagnosis based on cytology and histology together was more reliable than that based on cytology alone. Although the complications of this procedure (such as pneumothorax) were within the range of acceptability, care should be taken to avoid air embolism and the seeding of cancer cells along the needle tract.
Conclusion: TCNB with the Surecut needle is a useful procedure with relatively low risk.
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