General description

Mucormycosis is caused by a group of fungi including Rhizopus, Rhizomucor, Absidia, and Basidiobolus. Lesions caused by mucor are also found in the lungs and gastrointestinal tract, most typically sinus lesions. It grows in the sinuses and nasal passages of immunocompromised patients and forms intracranial lesions due to destruction of the skull base or hematogenous infection.

Paranasal sinus lesion

Imaging studies reveal thickened mucus in the paranasal sinuses, with T2WI displaying hypointensity and DWI showing hyperintensity. The nasal turbinate exhibits T2WI hypointensity, a finding referred to as "black turbinate."