Duarte B, Vieira L, Pessoa E Costa T, Ribeiro L, João A, Cabete J, Varanda A. Predicting incomplete basal cell carcinoma excisions - a large multidisciplinary retrospective analysis in a tertiary center.
J DERMATOL TREAT 2020;
31:583-588. [PMID:
31689139 DOI:
10.1080/09546634.2019.1687815]
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Abstract
Introduction: Surgical treatment of basal cell carcinomas is often performed by physicians with different surgical backgrounds. Collecting data from different surgical departments would better reflect their real-life surgical management.Objectives: To identify the rate, recurrence risk, and predictive factors accordingly to their relative contribution for an incomplete basal cell carcinoma excision in a large multidisciplinary real-life settingMethods: Retrospective cohort study of 2305 surgically treated lesions in different departments of a tertiary center.Results: There was a rate of incomplete excisions (15%) and a recurrence rate (35.5% vs. 6.8% in incomplete vs. complete excisions (p < .001)). A third of incompletely excised basal cell carcinoma (BCC) will recur over time. Stratified by relevancy, high-risk histological subtypes (micronodular (OR 5.10 - p < .001) and morpheaform (OR 5.42 - p < .001), smaller specimen sizes ( <0.5 cm or 0.5-1 cm, OR 3.99 and 2.49, respectively, p < .001) high-risk locations (OR 3.06 on the nose, OR 2.77 on the eyelids, p < .001), and recurrent BCCs (OR 1.72, p < .001). are the best predictors of an incomplete excision.Conclusions: Acknowledging the rate, recurrence risk and predictive factors for incomplete excisions may be beneficial for optimal preoperative planning and to prevent unwarranted re-interventions, morbidity, and healthcare costs.
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