Research Article

Investigation of the Presence of Biofilms in Chronic Suppurative Otitis Media, Nonsuppurative Otitis Media, and Chronic Otitis Media with Cholesteatoma by Scanning Electron Microscopy

Table 3

The presence of biofilm in acquired cholesteatoma specimens.

Description of specimenThe number of biofilm positive samplesThe number of biofilm negative samples

Cholesteatoma middle ear mucosa5 (38.4%)A:38 (61.6%)A:6
S:1S:1
PT:1PT:1

Cholesteatoma mastoid tissue2 (15.3%)A:211 (84.7%)A:7
S:0S:2
PT:0PT:2

Cholesteatoma ossicle samples 2 (15.3%)A:211 (84.7%)A:7
S:0S:2
PT:0PT:2

A: attic; S: sinus tympani; PT: pars tensa.