Site

Endoscopic

CWU

CWD

Combined

Total

Attic

7 (87.5%)

0 (0%)

0 (0%)

1 (100.0%)

8 (44.4%)

Extension into Sinus Tympani

4 (50.0%)

4 (57.1%)

0 (0%)

0 (0%)

8 (44.4%)

Extension into Facial Recess

2 (25.0%)

1 (14.3%)

1 (50.0%)

0 (0%)

4 (22.2%)

Extension into Prussak’s Space

0 (0%)

1 (14.3%)

0 (0%)

0 (0%)

1 (5.6%)

Extension into Hypotympanum

0 (0%)

0 (0%)

0 (0%)

0 (0%)

0 (0%)

Extension into Mastoid

2 (25.0%)

3 (42.9%)

1 (50.0%)

1 (100.0%)

7 (38.9%)