Fig.2
A: Otoscopy images show external auditory canal after treatment
of triamcinolone acetonide and econazole nitrate cream cream.
B : Images of surgical cavity 5 weeks after mastoidectomy
respectively.
C : Histological examination in mastoid mucosa shows
hyperplastic fibrous tissue with partial hyalinization and
calcification.
D : No fungi were found after methenamine silver staining.