Gingival squamous cell carcinoma: a clinical case and differential diagnosis.

A 59-year-old woman presented with a tumor of the gums located in the second quadrant for the past 6 weeks. The histopathological findings are presented and the most likely differential diagnoses are commented (pyogenic granuloma, squamous cell carcinoma and gingival metastases), along with the importance of the radiological features. The definitive diagnosis requires concordance among the clinical, radiological and histopathological characteristics of the lesion.