Squamous cell carcinoma is the second most common malignant eyelid lesion and constitutes 5-10% of cases. It occurs most commonly in the elderly and is related to sunlight exposure. The tumour can initially resemble a basal cell carcinoma, although the edges are usually not rolled. Spread tends to occur to the local lymph nodes (preauricular for the upper lid and submandibular for the lower lid). Treatment is similar to a basal cell carcinoma.
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