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Original Articles: General Thoracic

Resection of Pulmonary Metastases From Sarcoma: Can Some Patients Benefit From a Less Invasive Approach?

^a Thoracic Department, Institut Mutualiste Montsouris, Paris
^b Pathology Department, Institut Mutualiste Montsouris, Paris
^c Institut Gustave Roussy, Villejuif, France

Accepted for publication September 16, 2008.

^_* Address correspondence to Dr Gossot, Thoracic Department, Institut Mutualiste Montsouris, 42 Bd Jourdan, Paris, F-75014, France (Email: dominique.gossot{at}imm.fr).

Background: Although video-assisted metastasectomy has been proposed for some solitary metastases, its value has not been investigated in patients with pulmonary metastases from sarcoma for which open resection remains the usual approach.

Methods: In all, 113 consecutive patients underwent curatively intended lung resection for metastases from sarcomas. Of these 113 patients, 31 were selected for a thoracoscopic wedge resection (group TS). These patients were compared with 29 patients operated on by thoracotomy but whose features could have made them possible candidates for a thoracoscopic resection (group TT). Follow-up was complete for all patients (mean follow-up, 34 months).

Results: No mortality occurred. No morbidity was observed in group TT, and 1 complication occurred in group TS. The mean postoperative hospital stay was 3.7 days for group TS and 6.2 days for group TT (p < 0.0001). Overall survival rates at 1, 3, and 5 years were, respectively, 87.4%, 70.9%, and 52.5% in group TS, and 82.3%, 63.6%, and 34% in group TT (p = 0.20). Disease-free survival rates at 1 and 3 years were, respectively, 50.5% and 26.4% in group TS and 60% and 24.8% in group TT (p = 0.74). Local recurrence occurred in 1 patient in each group. Survival without a homolateral recurrence (i.e., in the operated lung) at 1 and 3 years was 66.7% and 44.4% in group TS and 83.5% and 45% in group TT, respectively (p = 0.54).

Conclusions: In selected patients with a maximum of two pulmonary nodules, thoracoscopic resections yield survival rates similar to open resections while being less invasive and preserving the patient's ability to undergo possible repeat operations.

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