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Erschienen in:
01.03.2015 | Bone and Soft Tissue Sarcomas
Percutaneous Core Needle Biopsy in Retroperitoneal Sarcomas Does Not Influence Local Recurrence or Overall Survival
Erschienen in: Annals of Surgical Oncology | Ausgabe 3/2015
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Background
Tumours within the retroperitoneum can cause a diagnostic dilemma. A preoperative core needle biopsy often is required to establish a histological diagnosis. Preoperative core needle biopsy for extremity soft-tissue sarcoma is oncologically safe and biopsy site recurrence is extremely rare, attributed to placing the biopsy site within the planned resection field. This study investigates whether preoperative core needle biopsy affects oncological outcomes in retroperitoneal sarcomas.
Methods
Patients undergoing resection of intermediate- and high-grade primary retroperitoneal sarcoma from 1990 until 2011 were included. Primary endpoints were immediate biopsy-related complications, local recurrence, and overall survival.
Results
A total of 150 patients were included in the analysis. Of these, 90 patients underwent resection after a preoperative biopsy. Median follow-up was 48 months. One patient required hospital admission postbiopsy for an abdominal wall rectus sheath haematoma. No patient developed intra-abdominal complications that required hospitalisation or early operation related to core needle biopsy. No patient developed a biopsy site recurrence. There was no significant increase in either local recurrence (p = 0.101) or overall survival (p = 0.191) after core needle biopsy.
Conclusions
Preoperative core needle biopsy for retroperitoneal sarcomas is safe and does not affect oncological outcome.