Nasal congestion, runny nose and recurent sinusitis.
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Almost complete opacification of all paranasal sinuses.
Widening of right osteomeatal complex, complete obliteration of the right nasal cavity along with hyperdense component extending from the nasal cavity to postnasal space causing narrowing of postnasal space.
Typical features of antrochoanal polyp are opacified paranasal sinus, widened osteomeatal complex by hyperdense component extending into the nasal cavity or further to postnasal space with no bone destruction.
CT is the gold standard imaging modality.