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Indexed/Abstracted in: BIOSIS Previews, Current Contents/Clinical Medicine, EMBASE, PubMed/MEDLINE, Science Citation Index Expanded (SciSearch), Scopus
Impact Factor 1,632
Online ISSN 1827-191X
Belal A., Salah E. *, Hajjar W. *, El-Foudeh M., Memon M., Ezzat A., Al-Kattan K. *
From the Department of Oncology and Thoracic Surgery* King Faisal Specialist Hospital and Research Center Riyadh, Kingdom of Saudi Arabia
Background. A retrospective study and analysis was performed to determine the value and benefit of pulmonary metastatectomy for soft tissue sarcomas, and which factors predict prognosis following resection.
Methods. Twenty-three patients underwent resections for pulmonary metastases from a soft tissue sarcoma (STS) at King Faisal Specialist Hospital and Research Center (KFSH&RC), between January 1985 and December 1998. There were 11 male and 12 female patients. Thirteen of 23 patients (57%) had one to three metastases, and 10 (43%) had four or more metastases. A total of 41 thoracic explorations was performed for the 23 evaluable patients. Median sternotomy was used only for three patients and lateral thoracotomy was used for 20 patients as an initial surgical approach. Pulmonary resections performed included one or more wedge resections (n=16), segmentectomy (n=5), and lobectomy (n=2). No one in this series underwent pneumonectomy. The number of resected metastatic nodules ranged from one-six with average three. Eight patients (35%) received various kinds of postoperative adjuvant chemotherapy.
Results. The overall and disease-free survival rate post-metastatectomy at five years was 24% and 21%, respectively. Various prognostic indicators were examined to evaluate their association with improved survival. Age, sex localization of the primary site and histologic type, tumor grade, size of the resected nodules, laterality (unilateral or bilateral), types of resection, adjuvant chemotherapy, and local recurrence did not significantly affect survival. However, patient with disease free interval >6 months, and those with three or fewer metastases showed a trend toward a higher five-year overall survival (p=0.06, 0.07, respectively).
Conclusions. Surgical excision of lung metastases from soft tissue sarcomas is well accepted and should be considered as a first line of treatment if preoperative evaluation indicated that complete resection of the metastases is possible. Further investigation is needed before chemotherapy can be recommended as additional therapy.