Incomplete Excisions of Melanocytic Lesions: Rates and Risk Factors

Overview

Journal Acta Derm Venereol

Specialty Dermatology

Date 2021 Mar 16

PMID 33723615

Authors

Sofia Berglund

Eva Johansson Backman

Zahra Baldawi

Linda Horn

Rebecca Arbin Borsiin

Michelle Marjanovic

Thea Christoffersson

Martin Gillstedt

John Paoli

Affiliations

Soon will be listed here.

Abstract

Incomplete excisions of melanocytic lesions occur despite the intention of complete removal. The aim of this study was to determine the incomplete excision rates for benign and malignant melanocytic lesions and the associated risk factors. Demographic, clinical, and histo-pathological data possibly associated with incomplete excision were collected from 2,782 consecutive excisions between 2014 and 2015. Of these, 269 melanocytic lesions (9.7%) were incompletely excised. Multivariate analysis revealed the following risk factors for significantly higher incomplete excision rates: lesions located in the head and neck area (odds ratio (OR) 3.95, 95% confidence interval (95% CI) 2.35-6.65), surgery performed by general practitioners (OR 3.01, 95% CI 2.16-4.19), the use of a punch excision technique (OR 2.83, 95% CI 1.96-4.08), and excision of non-dysplastic naevi (OR 1.58, 95% CI 1.11-2.23). In conclusion, more caution should be taken when excising melanocytic lesions in the head and neck area, general practitioners require more surgical training, and punch excisions of melanocytic lesions should be avoided.

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