Lessons learned from two decades of sentinel node biopsies for melanoma
2006
8055 Background: The long term prognosis for patients with melanoma staged by sentinel node biopsy (SNB) remains unclear, largely due to limited follow-up from a variety of small single institution studies. We evaluated our extensive 20-year experience to evaluate the long term prognostic significance of SNB. Methods: We retrospectively reviewed the records of 2001 successive patients who underwent LM/SNB at our center from 1985 until 2004. After preoperative lymphoscintigraphy, blue dye and a hand-held gamma probe were used for intraoperative identification of sentinel nodes (SN). SN were evaluated for metastases by hemotoxylin and eosin and immunohistochemical staining with HMB45, S-100, and more recently with antibodies to melanA. Patients with tumor-positive SN underwent completion dissection (SCLND). Clinicopathological features of the patients, primaries and SN status were evaluated for their influence on survival using multivariate Cox regression analysis. Results: After median follow-up of 49 mont...
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