||In advanced cases the ear canal may be filled with a whitish or creamy, thick material.
Numerous mycelia with brown fruiting heads are visible. A brownish yellow mucopurulent exudate is present behind.
There may be a fluffy appearance, due to the presence of tiny mycelia.
When the infection is caused by Aspergillus niger, it may be possible to identify the tiny greyishblack conidiophores or fruiting heads.