Pigmented conjunctival squamous cell carcinoma simulating a conjunctival melanoma.
case_report · Level V
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Abstract
To report a pigmented conjunctival squamous cell carcinoma that clinically simulated a conjunctival melanoma. Interventional case report. Ocular examination, surgical excision, and clinicopathologic correlation. A 78-year-old white man developed a lightly pigmented mass at the temporal limbus of his right eye. The differential diagnosis included pigmented squamous cell carcinoma and malignant melanoma. Histopathologic examination revealed a malignant squamous cell tumor that contained foci of melanin pigment. The final diagnosis was pigmented conjunctival squamous cell carcinoma. Conjunctival squamous cell carcinoma may rarely be pigmented and simulate a conjunctival melanoma.
Medical subject headings
- Carcinoma, Squamous Cell
- Conjunctival Neoplasms
- Melanoma