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Acta Oncol. 2014 Sep;53(9):1180-7. doi: 10.3109/0284186X.2014.899433. Epub 2014 Apr 3.

Response to preoperative chemotherapy in patients undergoing resection of pulmonary metastasis from soft tissue sarcoma - a predictor of outcome?

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Department of Oncology, The Norwegian Radium Hospital, Oslo University Hospital , Oslo , Norway.


Approximately 50% of patients with high-grade soft tissue sarcoma (STS) will develop pulmonary metastasis. This is the most frequent cause of death and improving treatment is warranted. Preoperative chemotherapy is used for selected patients, usually those with less favorable prognosis and mainly outside clinical trials. The predicted value of histological and radiological response to preoperative chemotherapy on outcome was the main focus for this investigation.


This retrospective study comprises 93 patients with metachronous lung metastasis from STS who underwent complete metastasectomy alone (n = 41) or metastasectomy following preoperative chemotherapy (n = 52). Clinical data, histological and radiological responses to chemotherapy were recorded and survival analyses performed.


The time from initial STS diagnosis to the appearance of metastasis was shorter in the preoperative chemotherapy group than in those treated with surgery alone (p = 0.02). However, no statistical differences in post-metastasis disease-specific survival (DSS) or progression-free survival (PFS) between the groups were demonstrated. Patients in the preoperative chemotherapy group with good (complete) histological response had improved PFS compared with poor responders (p = 0.04). Radiological partial response was an independent, favorable prognostic factor for improved PFS and DSS (p = 0.003).


Despite having unfavorable disease characteristics, some patients may benefit from preoperative chemotherapy. Both histological and radiological responses to preoperative chemotherapy seem to be prognostic in STS patients undergoing complete pulmonary metastasectomy.

[Indexed for MEDLINE]

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