Site | Endoscopic | CWU | CWD | Combined | Total |
Attic | 18 (78.3%) | 22 (52.4%) | 14 (35.0%) | 4 (80.0%) | 58 (52.7%) |
Extension into Sinus Tympani | 8 (34.8%) | 9 (21.4%) | 7 (17.5%) | 1 (20.0%) | 25 (22.7%) |
Extension into Facial Recess | 5 (21.7%) | 6 (14.3%) | 3 (7.5%) | 1 (20.0%) | 15 (13.6%) |
Extension into Prussak’s Space | 4 (17.4%) | 13 (31.0%) | 1 (2.5%) | 0 (0.0%) | 18 (16.4%) |
Extension into Hypotympanum | 0 (0.0%) | 2 (4.8%) | 2 (5.0%) | 0 (0.0%) | 4 (3.6%) |
Extension into Mastoid | 3 (13.0%) | 13 (31.0%) | 26 (65.0%) | 5 (100.0%) | 47 (42.7%) |