Antrochoanal polyp
From the case:
Antrochoanal polyp - “CT through the paranasal sinuses demonstrates a low density mass filling the maxillary sinus protruding though an enlarged maxillary ostium. Featur...”
Antrochoanal polyp - “CT through the paranasal sinuses demonstrates a low density mass filling the maxillary sinus protruding though an enlarged maxillary ostium. Featur...”
