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Ann Thorac Surg. 2009 Nov;88(5):1594-600; discussion 1600. doi: 10.1016/j.athoracsur.2009.05.020.

Stereotactic radiosurgery for the treatment of lung neoplasm: experience in 100 consecutive patients.

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  • 1Heart, Lung, and Esophageal Surgery Institute, University of Pittsburgh Medical Center, Pittsburgh, Pennsylvania 15213, USA.

Abstract

BACKGROUND:

Surgical resection is the standard of care for patients with resectable non-small cell lung cancer or selected patients with pulmonary metastases. Stereotactic radiosurgery may offer an alternative option for high-risk patients who are not surgical candidates. We report our initial experience with stereotactic radiosurgery in the treatment of lung neoplasm in 100 consecutive patients.

METHODS:

Patients who were medically inoperable were offered stereotactic radiosurgery. Thoracic surgeons evaluated all patients, placed fiducials, and performed treatment planning in collaboration with radiation oncologists. Initially, a median dose of 20 Gy prescribed to the 80% isodose line was administered in a single fraction, and this was subsequently increased to a total of 60 Gy in three fractions. The primary end point evaluated was overall survival.

RESULTS:

We treated 100 patients (median age, 70 years; 51 men, 49 women) with stereotactic radiosurgery: 46 (46%) with primary lung neoplasm, 35 (35%) with recurrent cancer, and 19 (19%) with pulmonary metastases. The median follow-up was 20 months. The median overall survival was 24 months. Local recurrence occurred in 25 patients. The probability of 2-year overall survival was 50% for the entire group, 44% for primary lung cancer, 41% for recurrent cancer, and 84% for metastatic cancer.

CONCLUSIONS:

Our initial experience indicates that stereotactic radiosurgery has reasonable results in these high-risk patients. Resection continues to remain the standard treatment; however, stereotactic radiosurgery may offer an alternative in high-risk patients. Further prospective studies with different dose schema are needed to evaluate the efficacy of stereotactic radiosurgery.

[PubMed - indexed for MEDLINE]
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