16 March 2026 : Clinical Research
Key Techniques and Outcome Analysis of Endoscopic Mastoid Revision Surgery
Nan Zeng ABCDEFG 1, Qiong Yang BD 1, Jie Wu BC 1, Mingxing Tang BC 1, Yubo Jin BCD 1, Lue Zhang CDEF 1, Jing Hu CDEF 1, Shuyi Hong BCF 1, Xiangbin Zuo BC 1, Shang Yan
AFG 2*
DOI: 10.12659/MSM.951671
Med Sci Monit 2026; 32:e951671
Table 1 Causes of dry ear failure in 47 ears.
| Intraoperative findings | Number of cases | Proportion (%) |
|---|---|---|
| Insufficient surgical cavity opening | ||
| Perilabyrinthine and retrofacial air cells | 11 | 23.40 |
| Sinodural angle | 5 | 10.64 |
| Anterior epitympanic recess | 3 | 6.38 |
| Mastoid tip air cells | 2 | 4.26 |
| Cholesteatoma recurrence | ||
| Perilabyrinthine and retrofacial air cells | 9 | 19.15 |
| Sinodural angle | 6 | 12.77 |
| Mastoid tip | 4 | 8.51 |
| Anterior epitympanic recess | 3 | 6.38 |
| Tensor tympani tendon | 2 | 4.26 |
| Peristapedial region | 2 | 4.26 |
| Poor surgical cavity drainage | ||
| Excessively high facial ridge | 14 | 29.79 |
| External auditory canal stenosis | 9 | 19.15 |
| Insufficient mastoid cavity packing | 5 | 10.64 |
| Lesions at the tympanic orifice of the Eustachian tube | ||
| Inflammatory mucosal edema | 9 | 19.15 |
| Obstruction by granulation or cholesteatoma tissue | 6 | 12.77 |
| Membranous obstruction | 5 | 10.64 |
| Osseous obstruction | 2 | 4.26 |