Abstract
Squamous cell carcinoma of the maxillary sinus (SCCMS) is a rare neoplasm and is often diagnosed in advanced stages because of a lack of typical symptoms. Here we present the case of a 66-year-old male smoker and ex-drinker, diagnosed with and treated for recurrent sinusitis for 1 year, according to patient report. Extrabuccal examination showed slight swelling on the right side of the third middle face with continuous nasal discharge on the same side. Intraoral examination revealed maxillary swelling on the right side and an extensive ulcer affecting the alveolar ridge, hard palate, and soft palate. The ulcer extended beyond the midline and had a necrotic bed and spontaneous bleeding. Computed tomography showed extensive bone destruction involving the orbit, maxillary sinus, and maxilla on the direct side. Under the hypothesis of SCCMS, a biopsy was performed. The histopathologic findings confirmed the diagnosis of SCCMS. The patient was referred for cancer treatment.
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