Chronic purulent nasal discharge

A 49 year old woman was referred to a community hospital after experiencing persistent purulent nasal discharge for three years. She had not responded to antibiotics. Subsequently, she was referred to a department of otolaryngology for surgical intervention. She underwent a non-contrast computed tomography (CT) scan of her sinuses (fig 1⇓). Based on the CT scan, what is the diagnosis? Fig 1  Coronal computed tomography (CT) scan of the sinus A fungal ball, also known as a mycetoma, in the right nasal cavity. ### Discussion The coronal sinus CT scan shows a fungal ball in the right nasal cavity …