Surgical Suturing-induced Melanocytic Nevi. A New Type of Eruptive Melanocytic Nevi?

Overview

Journal J Dermatol Case Rep

Specialty Dermatology

Date 2017 Apr 13

PMID 28400894

Authors

Alexander C Katoulis

Dimitrios Sgouros

Giuseppe Argenziano

Efstathios Rallis

Ioannis Panayiotides

Dimitrios Rigopoulos

Affiliations

Soon will be listed here.

Abstract

Background: Nevogenesis is a complex process involving several pathogenetic mechanisms, including genetic factors, hormonal influences and UV-radiation. Trauma has been described as a triggering factor for an alternative pathway of nevogenesis. Eruptive melanocytic nevi (EMN), related either to immunosuppression or to blistering disorders, represent a special type of nevi probably induced by the disruption of the dermo-epidermal junction and consequent proliferation of quiescent pigment cells during re-epithelization.

Main Observations: We report two patients with three melanocytic nevi that developed de novo along the direction of surgical suturing, following surgical operation for other reason. The lesions exhibited special dermoscopic characteristics and histology revealed features of acquired melanocytic nevi.

Conclusions: Such cases may represent a new type of eruptive nevus, the surgical suturing-induced nevus, which should be included in the differential diagnosis of new pigmentation developing within a scar.

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