Aspergillosis Involving the Maxillary Sinus - A Report of Two Cases and A Brief literature Review

Aspergillosis is a fungal infection characterized by invasive and noninvasive forms. Noninvasive aspergillosis usually affects a healthy host, appearing either as an allergy or a cluster of fungal hyphae. Localized invasive infection of damaged tissue may be seen in a healthy host, but more extensive infection is often evident in immunocompromised patients. Its incidence in recent years has shown a marked increase and it is believed to account for many cases of nonspecific sinusitis. The purpose of this paper is to report two cases of aspergillosis involving the maxillary sinus in immunocompetent patients with an emphasis on early diagnosis because delay in the initiation of treatment can be life-threatening due to the propensity of fungi to invade adjacent blood vessels and embolize to distant organs.