Date of Award

January 2022

Document Type

Open Access Thesis

Degree Name

Medical Doctor (MD)

Department

Medicine

First Advisor

Kathleen Suozzi

Abstract

Background: Reconstruction of nasal defects secondary to Mohs micrographic surgery (MMS) presents particular challenges related to the complex topography, skin quality, tissue laxity and functional and aesthetic concerns of the region. Factors affecting outcomes resulting from second intent healing (SIH) on the nose have not been well described.

Purpose: The purpose of the study was to identify factors impacting outcomes of SIH for nasal tumors following MMS.Methods: Retrospective analysis was performed of all nasal lesions treated with MMS followed by SIH from a single surgical center over a 1.5-year period. Ninety-six cases were included. Chart review was performed, and data was collected including age, gender, nasal site, tumor type, defect size, depth and number of MMS stages. Pre- and post-operative follow-up photographs were available for all cases. All five authors evaluated the photographs using the modified Manchester scar scale. Analysis was then conducted to identify features associated with good outcomes.

Results: Of the 96 tumors, thirty-nine lesions (40.6%) were located on the nasal tip (including supratip), 32 (33.3%) on the ala/alar groove, 17 (17.7%) on the sidewall, and eight (8.3%) on the dorsum. The average defect size was 0.83cm2 (diameter of 1.06 centimeters ± 0.4). Defect diameter and defect depth were the factors that significantly impacted scar outcome (p<0.001) in multivariate analysis. No significant functional deficits were reported.

Conclusion: This retrospective study suggests that nasal defects with area less than 0.83cm2 (or 1.06 cm diameter) and depth of defect not extending beyond the superficial fat healed well by SIH regardless of location on the nose.

Comments

This is an Open Access Thesis.

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