- Title: R-275 Retraction Pocket
- Chapter: Infections
- Chapter section: Retraction Pocket
- Title: R-149 Retraction Pocket
- Chapter: Infections
- Chapter section: Retraction Pocket
- TB Case Number: 553
- Gender: Female
- Age(yrs.): 84
- otologic_dx:
1) Tympanomastoiditis, chronic, healed, inactive, manifested by retraction pocket, tympanic fibrosis, and mastoid sclerosis, right ear
2. Stapedectomy and insertion of tef-wire piston prosthesis, right ear
3) Impingement of piston on saccule with obstruct