Abstract
SummaryBackgroundBasal cell carcinoma (BCC) can cause extensive tissue damage if untreated. Complete surgical excision is the treatment of choice, but especially in the head‐and neck area, defining both radical and healthy skin sparing surgical margins is complex.Materials and methodsExcised, small (≤ 1 cm), BCCs of the head and neck were retrospectively analyzed, comparing histological properness of surgical margins after clinical‐dermatoscopical preoperative evaluation (cases), vs. clinical evaluation only (controls) and recurrences.ResultsOf 281 BCCs: 6 % (8/139) of cases and 8 % (12/142) of controls had unproper deep margins; 4 % (5/139) of cases, 20 % (29/142) of controls had unproper lateral margins (P < 0.001). Surgical 3 mm lateral margins were unproper in 0 % (15/66) of cases, 15 % (10/66) of controls (P > 0.005); surgical 1–2 mm lateral margins were unproper in 7 % (5/73) of cases, 25 % (19/76) of controls (P < 0.01). Of cases excised at 3 mm, 1–2 mm, and controls, 1.5 %, 0 %, and 7.7 % recurred, respectively.ConclusionsBCC excision at 3 mm may be appropriate in the head and neck for small, dermatoscopically well‐defined and non‐aggressive BCCs, attaining surgical cure rates of 100 % and 1.5 % recurrences. Excision at 1–2 mm should be reserved only for BCCs in very difficult‐to‐treat areas, as the surgical cure rate was only 93 %.
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More From: Journal der Deutschen Dermatologischen Gesellschaft = Journal of the German Society of Dermatology : JDDG
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