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Supplementary Material for: Surgical Treatment of Facial Basal Cell Carcinoma: Patient-Based Assessment of Clinical Outcome in a Prospective Cohort Study

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posted on 27.09.2016, 09:44 by Ofaiche J., Lopez R., Bérard E., André A., Bulai-Livideanu C., Méresse T., Vairel B.B., Grolleau J.-L., Paul C., Meyer N.

Background: There are limited data on the esthetic, functional, and morphological outcomes of surgical treatment of facial basal cell carcinoma (BCC). Objective: The aim of our study was to assess the determinants of the evaluation of both the patients and the investigator of the esthetic, functional, and morphological impact of the surgical treatment of facial BCC. Methods: A prospective observational study evaluated 111 patients treated surgically for facial BCCs (n = 135 BCCs), using the Patient and Observer Scar Assessment Scale (POSAS), a validated and reliable scale designed for the evaluation of all types of scars by professionals and patients. Results: Scar assessment rated by the patients was very good. Skin aging was associated with a better surgical outcome as evaluated by POSAS (OR = 0.30, 95% CI: 0.09-0.98; p = 0.04). Conversely, histologically infiltrative or sclerosing BCC (OR = 2.33, 95% CI: 0.95-5.71; p = 0.06) was independently associated with poorer POSAS. In terms of the investigator's evaluation, aging signs (protective factor: OR = 0.17, 95% CI: 0.04-0.73; p = 0.01), location on the H-zone of the face (risk factor: OR = 2.95, 95% CI: 1.07-8.15; p = 0.03), and histologically infiltrative or sclerosing BCC (risk factor: OR = 2.89, 95% CI: 1.01-8.29; p = 0.04) were independently associated with POSAS. Conclusion: Esthetic, functional, and morphological outcomes of facial BCC surgery provide high patient satisfaction overall. Taking wider margins requires specific measures to improve the surgical outcome.