Primary squamous cell carcinoma of the distal hallux.

Squamous cell carcinoma is a common disease of cutaneous tissue with a great ability to form metastases. Squamous cell carcinoma is found most commonly on sun-damaged skin and has a rare occurrence on the toes and feet. The patient was a 68-year-old woman who was seen at a podiatric specialty office with a complaint of pain in her left great toe and toenail.