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  • Title: Pulmonary resection for metastatic malignant fibrous histiocytoma: an analysis of prognostic factors.
    Author: Suri RM, Deschamps C, Cassivi SD, Nichols FC, Allen MS, Schleck CD, Pairolero PC.
    Journal: Ann Thorac Surg; 2005 Nov; 80(5):1847-52. PubMed ID: 16242467.
    Abstract:
    BACKGROUND: Factors affecting recurrence and survival after pulmonary resection for metastatic malignant fibrous histiocytoma (MFH) are not well known. METHODS: Records of patients undergoing pulmonary metastasectomy for MFH between January 1976 and January 2000 were analyzed. RESULTS: There were 103 patients (46 men and 57 women). Median age was 60 years (range, 20 to 86). Malignant fibrous histiocytoma metastasis was solitary in 29 patients (28%), multiple/unilateral in 33 (32%), and multiple/bilateral in 41 (40%). Median time interval from primary tumor resection to metastasectomy was 11 months (range, 0 to 86). Wedge resection was carried out in 87 patients (84%), segmentectomy in 3 (3%), lobectomy in 3 (3%), pneumonectomy in 2 (2%), and a combination of resections in 8 (8%). Resection was complete in 93 patients (90%). Complications occurred in 11 patients (11%) and included prolonged air leak in 7, and pneumonia, empyema, atelectasis, and sepsis in 1 each. One patient died (operative mortality, 1%). Follow-up ranged from 2 weeks to 153 months (median, 18 months). Five-year survival was 21% (95% confidence interval, 14% to 31%). In the 103 patients, incomplete resection (p < 0.0001) was associated with decreased survival. Among the 93 patients with complete resection, factors associated with decreased survival included the presence of extrapulmonary disease at time of metastasectomy (p = 0.01), more than two nodules resected (p = 0.001), and adjuvant therapy after metastasectomy (p = 0.0007). CONCLUSIONS: Pulmonary resection of metastatic MFH is safe. Improved survival was associated with the absence of extrapulmonary disease at time of metastasectomy, with fewer than three pulmonary nodules resected, and with a complete resection.
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