J Plast Reconstr Aesthet Surg. 2021 Oct 22:S1748-6815(21)00505-2. doi: 10.1016/j.bjps.2021.09.070. Online ahead of print.
ABSTRACT
This paper outlines the oncological outcomes of patients with large volume liposarcomas of the posterior thigh who underwent nerve-preserving surgery utilising epineural dissection. Thirty-seven consecutive patients (group I) with a mean age of 66.2 (31-96) were surgically treated with a planned marginal resection and epineurectomy for liposarcoma with known sciatic nerve involvement between March 1997 and January 2015. The mean follow-up was 79 months (15-192). All patients underwent multidisciplinary team (MDT) pre-operative assessment and staging, with follow-up in Sarcoma Clinic. Pre-operative function was assessed by applying the Toronto extremity salvage score (TESS). Oncological and functional outcomes were recorded. In grades 1, 2, and 3, 24, 6, and 7 liposarcomas, respectively, were included with m ean volume 1859 cm3. Sciatic nerve involvement extended for 13-30 cm; in one case, the nerve was abutting the tumour throughout its length. Soft tissue reconstructive surgery was required in three cases. The remainder underwent direct primary closure. Seventeen patients underwent post-operative adjuvant radiotherapy 46-60 Gy and three received chemotherapy. There was local recurrence of disease in three patients. One patient had post-radiation wound breakdown treated non-operatively. Three patients died of an unrelated cause. When compared to a cohort of 37 patients without sciatic nerve involvement (group II), there were no significant differences in local and systemic recurrence rate or post-operative survival. In conclusion, sciatic nerve-preserving surgery is both possible and safe when using a planned epineural dissection in large volume tumours encasing the sciatic nerve.
PMID:35063385 | DOI:10.1016/j.bjps.2021.09.070
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