TUMOURS OF THE NOSE AND SINUSES TUMOURS OF THE NOSE AND SINUSES Tumours arising in the nose or paranasal sinuses may present with unilateral nasal obstruction, persistent unilateral anterior rhinorrhoea, postnasal drip, epistaxis, unilateral bloodstained rhinorrhoea, facial swelling or proptosis. TUMOURS OF THE NOSE AND SINUSES Tumours arising in the nose or paranasal sinuses may present with unilateral nasal obstruction, persistent unilateral anterior rhinorrhoea, postnasal drip, epistaxis, unilateral bloodstained rhinorrhoea, facial swelling or proptosis.