Journal
EJSO
Volume 40, Issue 10, Pages 1271-1275Publisher
ELSEVIER SCI LTD
DOI: 10.1016/j.ejso.2014.03.002
Keywords
Melanoma; Excisional biopsy; Local recurrence; Overall survival
Funding
- Ministry of Education, Science and Sport [J3-6083]
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The aim of this study was to evaluate the effect of a residual melanoma after an excisional biopsy on prognosis of patients with cutaneous melanoma. Patients and methods: Between 2000 and 2007 sentinel lymph node biopsy with wide reexcision of a primary melanoma site was successfully performed in 692 patients (315 male and 377 female; mean age 55.7 years) at the Institute of Oncology Ljubljana, Slovenia. Clinicopathological data of all patients were extracted from a prospective institutional melanoma database and the frequency of local recurrences and survival were compared between patients with residual melanoma and those without it. For a statistical analysis univariate and multivariate analyses were used. Results: Only 25 (3.6%) patients had a residual melanoma. There was no difference in mean tumor thickness (3.9 and 2.8 mm) and ulceration (40% and 34%) of the primary melanoma between patients with and without residual melanoma. However, a number of local recurrences (16% versus 2.7%) and a number of metastases in sentinel lymph nodes (44% versus 22%) were significantly higher and a 5-year survival was significantly lower (64% versus 87.5%) in patients with residual melanoma. Breslow thickness, ulceration, positive SLNB and residual melanoma were independent prognostic factors for overall survival. Conclusions: Residual melanoma is very rare after an excisional biopsy of the primary melanoma. However, when present it indicates a higher probability of local recurrence and a worse overall survival. (C) 2014 Elsevier Ltd. All rights reserved.
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