The role of ultrasound-guided aspiration biopsy of peripheral pulmonary nodules: our experience.
2002
Background: Peripheral lung lesions are difficult to diagnose with conventional methods: ultrasound-guided aspiration biopsy is an interesting prospect having been reported to have good sensitivity and specificity. Patients and Methods: From January 1991 to August 2001 we investigated, in 268 patients, the role of ultrasound-guided transthoracic fine needle aspiration for cytological diagnosis of peripheral lung lesions. Nodule sizes ranged from 1 to 10 cm. Results: From 268 patients, we obtained 174 positive specimens for malignancy, of which 155 were positive for primary lung tumors and 19 for metastasis; 76 negative; 9 inadequate; and 9 aspecific. One patient developed pneumothorax after needle aspiration and one patient emophtoe. The nodule size did not affect complication rate and diagnostic outcome. Conclusion: This diagnostic procedure appears to be effective, safe and feasible, even in bed-ridden patients. The cost is low (70∈), the examination is fast (5-6 minutes) and well-tolerated and, if the specimen is inadequate or non-specific, it is possible to repeat the examination. Ultrasound-guided aspiration biopsy can replace the TC-guided biopsy in patients with peripheral lung nodules.
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