Abstract
A 67-year-old woman attended the stomatology clinic complaining of a wound on the lip, painful, with an evolution of 3 months. During this period, she was treated by a dermatologist for herpes simplex, but without resolution. Anamnesis indicated systemic arterial hypertension and previous stroke; she denied smoking or performing activities causing sun exposure. A physical examination revealed an exophytic ulcer on the lower lip with a crusted necrotic background, indurated rounded borders, soft base, 1.5 cm in size, and loss of the mucocutaneous line. The diagnostic hypotheses were squamous cell carcinoma and granulomatous infection. An incisional biopsy was performed, and the microscopic exam confirmed squamous cell carcinoma, with a moderate degree of cellular differentiation. Exclusive surgical treatment was performed without neck dissection. Adjuvant radiotherapy was not indicated in this case. The patient has been under follow-up for 6 months, with no signs of relapse or metastases.
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