What fungus is commonly associated with sinus fungal infections?

Aspergillus is commonly associated with sinus fungal infections, particularly in immunocompromised individuals or those with underlying conditions such as chronic rhinosinusitis. This genus of fungi is ubiquitous in the environment and can be found in decaying organic matter, soil, and indoor environments.

In individuals with weakened immune systems, Aspergillus can invade the tissues of the sinuses, leading to a condition known as invasive sinus aspergillosis. This condition can be particularly serious, as it can result in necrosis and other severe complications.

While other fungi like Histoplasma, Candida, and Zygomycetes may also be involved in various fungal infections, they are less commonly associated with sinus infections compared to Aspergillus. Histoplasma typically affects the lungs and can cause systemic disease, Candida is more commonly associated with mucosal infections, and Zygomycetes can cause serious infections but are often linked with specific risk factors such as diabetes or severe immunosuppression, leading to a broader range of clinical presentations beyond just sinus involvement. Thus, Aspergillus stands out as the primary fungus implicated in sinus fungal infections.