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Local Recurrence of Melanoma Is Higher After Wide Local Excision Versus Mohs Micrographic Surgery or Staged Excision: A Systematic Review and Meta-analysis

2021; Lippincott Williams & Wilkins; Volume: 48; Issue: 2 Linguagem: Inglês

10.1097/dss.0000000000003309

1524-4725

Renee Pride, Christopher J. Miller, M. Hassan Murad, Patricia J. Erwin, Jerry D. Brewer,

Nonmelanoma Skin Cancer Studies

BACKGROUND Complete removal of melanoma is a primary goal of excision, and local recurrence is one measure to evaluate the efficacy of surgical technique. OBJECTIVE To compare published local recurrence rates for melanoma treated with Mohs micrographic surgery (MMS) or staged excision versus wide local excision (WLE). METHODS AND MATERIALS Search of 6 databases identified comparative and noncomparative studies that reported local recurrence rates after MMS, staged excision, or WLE for melanoma. Random-effects meta-analysis was used to estimate odds ratios and 95% confidence interval (CI) from comparative studies and event rates from noncomparative studies. RESULTS Of the 71 studies included (16,575 patients), 12 were comparative studies (2,683 patients) and 56 were noncomparative studies (13,698 patients). Comparative studies showed increased recurrence after WLE compared with MMS or staged excision (odds ratio [OR], 2.5; 95% CI, 1.4–4.6) and compared with MMS alone (OR, 3.3; 95% CI, 1.8–5.9). Pooled data from comparative and noncomparative studies showed a local recurrence rate of 7% after WLE (95% CI, 5%–11%), 3% after staged excision (95% CI, 2%–4%), and less than 1% after MMS (95% CI, 0%–1%). Statistical heterogeneity was moderate to high. CONCLUSION Local recurrence of melanoma is significantly lower after MMS (<1%) and staged excision (3%) compared with WLE (7%).