Spiral computerized tomography and videothoracoscopy in the assessment of contralateral nodular lesions in patients with bronchogenic carcinoma
1996
: Recent improvements in endoscopic technology and surgical techniques have widened the application field of video-assisted thoracoscopy (VAT). We report our personal experience in 14 male patients (mean age: 67 years, range: 55-73 years) in whom one or multiple indeterminate contralateral lung nodules were found during bronchogenic carcinoma staging and then surgically resected with VAT. All patients underwent volumetric CT of the chest. Sixteen lung nodules were detected contralateral to the neoplasm; their mean diameter was 5 mm (range: 2-10 mm). The mean distance between pleural surface and lung nodule was 8 mm. All patients had primary lung cancer (3 central and 11 peripheral lesions), histologically confirmed by bronchoscopic or percutaneous CT-guided biopsy. None of them had any contraindication to surgery because of extrathoracic pathologic conditions. VAT was performed as normal, under general anesthesia, with assisted ventilation with a double-lumen endotracheal tube and using a percutaneous mechanical stapler. The nodules were easier to identify using a skin reference point corresponding to the parietal projection of the nodule, positioned with CT before surgery. Surgery lasted 58 minutes on the average (range: 30-120 minutes). In all patients VAT was successful in resecting the nodule. In 9 patients a metastasis from a contralateral lung cancer was found: 4 adenocarcinomas, 4 epidermoid carcinomas and 1 small cell carcinoma. In the remaining 5 patients, VAT-resected lung nodules were of chronic inflammatory nature. The latter patients underwent definitive surgery of the primary tumor (2 adenocarcinomas, 2 epidermoid and 1 large cell carcinomas) ten days later (range: 9-30 days). There were no major complications but a prolonged air leak in one patient, which needed drainage to be maintained for 5 days. Presently, VAT permits an atypical resection, avoiding the morbility of thoracoscopy and thus represents a mandatory technique in selected patients amenable to definitive surgery.
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