PMC6290116_01
BCC before biopsy. A, Single 0.5- x 0.7-cm pink macule on the medial left labium majus in the setting of pre-existing loss of the labia minora and fusion of the clitoral hood before biopsy. B, Pre-Mohs micrographic surgery. An ill-defined 0.5- x 0.7-cm pink macule coinciding with the initial biopsy site was demarcated for the first stage of Mohs micrographic surgery.
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Examination was significant for a subtle 0.5- x 0.7-cm pink macule on the medial left labium majus in addition to previously noted loss of the labia minora and fusion of the clitoral hood consistent with LS (Fig 1).
After Mohs micrographic surgery. After surgery, the defect measured 1.7 x 2.5 cm.
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Notably, the tumor had marked microscopic extension and required 5 stages for clearance, with the final surgical defect measuring 1.7 x 2.5 cm (Fig 2).