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Squamous cell carcinoma in a linear epidermal nevus

      Summary

      An 81-year-old African American female presented with a 3-year history of a slow, persistently enlarging mass on the medial aspect of her left thigh. Her past history was remarkable for a congenital linear epidermal naevus that was present on the inner aspect of her left thigh. A biopsy of the mass was performed and histology results confirmed the diagnosis of a well differentiated squamous cell carcinoma.
      Such an occurrence is extremely rare and less than 10 cases have been reported in the literature.

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