29th September 2021

A 40-year-old male presents to the general practitioner with a 3-month history of nasal obstruction

A 40-year-old male presents to the general practitioner with a 3-month history of nasal obstruction and clear nasal discharge bilaterally. He states that he has a reduced ability to smell and taste his food. On examination, the doctor notices a fleshy grape like swelling in either nostril. The patient is diagnosed with bilateral nasal polyps. What is the most likely cause of this presentation?

Select the SINGLE most appropriate option from the list below. Select ONE option only.