Abstract
The aim of this study is to report an aggressive clinical presentation of well-differentiated squamous cell carcinoma infiltrating the floor of the mouth and neck. A 66-year-old male smoker and ex-drinker, was referred to the dental service by the oncologist with oral pain complaint for 10 months. On physical examination, the patient presented a lobulated, well-defined, floating lesion with a fistulation point, measuring 12 cm in the right suprascapular region. In the oral cavity there was a deep infiltrative ulcerated lesion with perforation of the floor of the mouth. The histopathologic exam demonstrated a well-differentiated squamous cell carcinoma with perineural infiltration. The conduct at that time was palliative, seeking maintenance of oral hygiene, hydration of the mucosa, and pain prevention. The diagnosis of an advanced stage of oral squamous cell carcinoma represents a challenge for clinical management, highlighting the importance of humanization in palliative treatment.
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