Antral carcinoma is malignancy of the maxillary sinus. It usually presents late despite growing large since it remains confined within the sinus and produces no symptoms.
Where symptoms to occur, they include, unilateral stiffness and obstruction, blood tinged nasal discharge, proptosis, diplopia, pain resembling toothache and enlargement and ulceration of the palate.
Radiographically, it appears as irregular radio-opacity within the sinus, perforating the sinus wall.
Treatment includes a combination of surgery and radiation therapy. Prognosis is extremely poor.
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