17th February 2025

A 35-year-old aviculturist with HIV is admitted to hospital with a fever and cough, which has deteriorated after an extended course of antibiotics.

A 35-year-old aviculturist with HIV is admitted to hospital with a fever and cough, which has deteriorated after an extended course of antibiotics. 

Investigations are as follows:

Serum cryptococcal antigen test: Positive

Latex agglutination test for capsular antigen via bronchoalveolar lavage: Positive

A diagnosis of pulmonary cryptococcosis is made. What further investigation would be important for this patient?

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