The use of Mohs micrographic surgery for determination of residual tumor in incompletely excised basal cell carcinoma

https://doi.org/10.1016/0190-9622(92)70106-PGet rights and content
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Background: The presence of tumor involving surgical margins after excision of basal cell carcinoma (BCC) presents a therapeutic dilemma. Some authors advocate a conservative policy whereas others recommend immediate reexcision.

Objective: Our purpose was to evaluate residual tumor utilizing Mohs micrographic surgery (MMS) of those BCCs with margin involvement after primary excision.

Methods: We retrospectively reviewed 77 patients with 78 tumors who underwent MMS because of margin involvement after primary excision of BCC to detect the presence or absence of residual tumor.

Results: Residual tumor was found in 55% of the cases as defined by the need for two or more stages of MMS to achieve a tumor-free plane.

Conclusion: We suggest reexcision of all BCCs that are found to have marginal involvement after primary excision because of the large percentage of cases found to have residual tumor.

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