case_images: PMC9833418_01
case_images: Invasive aspergillosis due to Aspergillus felis involving the base of skull.
case_images: acmi-4-453-g001.jpg
case_images: PMC9833418_01_acmi-4-453-g001.jpg
case_images: F1
case_images: Magnetic resonance imaging (MRI) of his cranium demonstrated a large expansile mass centred on the clivus, expanding into the posterior fossa, pituitary fossa and anteriorly towards the nasopharynx and paranasal sinuses with significant erosion of the anterior skull base (Fig. 1).