This case report describes a diagnosis of pigmented squamous cell carcinoma in situ in a female patient aged 61 years who presented with a pigmented lesion on her medial canthus that had been growing over a 2-year period.

中文翻译：

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眼睑原位色素鳞状细胞癌

本病例报告描述了一名 61 岁女性患者诊断为原位色素鳞状细胞癌，该患者的内眦上有一个色素病变，该病变已经生长了 2 年多。