Aspergillosis of Maxillary Sinus's Diagnosis, Management, and Association With COVID-19: A Case Report.

Aspergillosis is a disease that can manifest itself in both invasive and non-invasive forms. Noninvasive aspergillosis usually affects a healthy host, manifesting as a fungal hyphae cluster or an allergy. In a healthy host, localized invasive infection of damaged tissue is prevalent, but in immunocompromised patients, more extensive infection is often evident, which carries a high mortality rate. Invasive aspergillosis of the paranasal sinuses is a rare condition that is frequently misdiagnosed. Histological analysis and fungal culture are used to make a definitive diagnosis. The purpose of this study is to discuss a case of COVID-19-induced aspergillosis involving the maxillary sinus in an immunocompromised patient, with a focus on early diagnosis because fungi have a predisposition to invade nearby blood vessels and embolize to distant organs, making a delay in treatment which is life-threatening.