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Ann Thorac Surg 1998;66:908-913
© 1998 The Society of Thoracic Surgeons

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Original articles: General Thoracic

Reoperative pulmonary metastasectomy for sarcomatous pediatric histologies

^a Thoracic Oncology Section, National Cancer Institute, National Institutes of Health, Bethesda, Maryland, USA
^b Pediatric Oncology Branch, National Cancer Institute, National Institutes of Health, Bethesda, Maryland, USA
^c Biostatistics and Data Management Section, National Cancer Institute, National Institutes of Health, Bethesda, Maryland, USA

Address reprint requests to Dr Pass, Dept of Surgery and Oncology, 3990 John R, Suite #2102, Detroit, MI 48201

Presented at the Forty-fourth Annual Meeting of the Southern Thoracic Surgical Association, Naples, FL, Nov 6–8, 1997.

Background. The role for reoperative pulmonary metastasectomy in patients with "pediatric sarcomas" (osteosarcoma, nonrhabdomyosarcoma–soft tissue sarcoma, and Ewing’s sarcoma) is undefined.

Methods. We reviewed our results for patients with these histologic presentations (median age, 17.5 years; range, 6 to 32 years) having two (70), three (27), or four (10) metastasectomies between January 1965 and March 1995 to define postresection survival and potential prognostic factors. Simple wedges (88 thoracotomies, 84%) were performed more frequently than anatomic (17 thoracotomies, 16%) resections.

Results. With a median potential follow-up of 12.7 years, median survival was 2.25, 3.60, and 0.96 years from the second, third, and fourth explorations, respectively. Primary tumor site, sex, histology, age, maximal metastasis size, and systemic chemotherapy did not influence survival. Resectability was the most important prognostic factor (5.6 versus 0.7 years, 5.2 versus 2.5 years, 2.2 versus 0.2 years, resectable versus unresectable, median survival from second, third, and fourth thoracotomy, respectively). Unresectability, disease-free interval less than 6 months between initial (ie, first) pulmonary resection and the second thoracotomy, and two or more preoperative nodules noted on the right were simultaneously negatively associated with survival from the second thoracotomy. Unresectability or finding two or more metastases negatively affected survival from the third thoracotomy.

Conclusions. These data imply that repeat metastasectomy can salvage a subset of patients with sarcomatous pediatric histologic presentations who retain favorable prognostic determinants.

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