28th May 2025

A 35-year-old man presents to A&E with a 2-week history of a dry cough and reduced exercise tolerance.

A 35-year-old man presents to A&E with a 2-week history of a dry cough and reduced exercise tolerance. On general inspection, he is cachectic with widespread lymphadenopathy. On examination of his mouth, you see white patches on the lateral aspects of his tongue which cannot be scraped off and have a hairy appearance.

Given his presentation, which of the following is the most likely causative organism of his oral lesions?

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