Table 1:

Temporal bone CT findings compared with intraoperative findings and clinical presentation in patients with revision stapedectomy

Patient	CT Oto	Age, y	Sex	Presentation	CT	Surgery
1	B OtoF	55	F	R MHL, vest	R LPS with incus erosion, gas in vestibule?	R LPS with incus necrosis, fistula not mentioned
2	B neg	44	F	R SNHL, vest	Neg	R long piston
3	R OtoF	35	F	L CHL, tinnitus	L prosthesis dislocation from OW	L long piston, loosening
4	B OtoC	68	M	R MHL	R LPS with disconnection, scar, incus erosion, OW dislocation	R LPS with disconnection, scar, incus necrosis, OW dislocation
5	R OtoF	56	F	R SNHL, vest	R long piston	R long piston, incus medialized
6	B OtoF	80	M	L SNHL	L long piston	L CI (piston length unconfirmed)
6	B OtoF	80	M	L SNHL	L long piston	Clinical notes limited
7	B OtoC	56	M	L MHL, vest	L LO, B OtoC, B OtoO	L OtoO prior surgery
7	B OtoC	56	M	R MHL	L LO, B OtoC, B OtoO	R CI limited notes; HL thought in part caused by OtoC
8	B neg	44	M	L CHL	L short piston	L short piston
9	B OtoF	61	M	R CHL	Neg	R OW dislocation, bone ingrowth
10	B neg	15	F	R CHL	R OW dislocation	R OW dislocation, scar, OtoO
11	B OtoC	51	F	R MHL	R OtoO	R OtoO prior surgery
11	B OtoC	51	F	R MHL	R OtoO	R CI; HL probably caused by OtoC
12	B neg	54	F	R CHL	R incus erosion	R piston loose, incus necrosis, scar
13	R OtoF	30	F	R CHL	R incus erosion	R stapes not crimped and scarred to incus with incus necrosis
14	B OtoF	31	F	R CHL	R incus erosion and disconnection, OtoO	R incus erosion and disconnection, OtoO
15	R OtoF	67	F	R CHL, vest	Neg	R nonmobile piston surrounded by scar
16	B neg	53	F	R vest	R long piston, incus erosion	R long piston, scar, incus necrosis
17	R OtoF	52	F	L vest	L incus erosion, prosthesis disconnection, OW dislocation	L piston medialized, disconnection, incus necrosis

Note:—LPS indicates lateralized piston syndrome; CHL, conductive hearing loss; SNHL, sensorineural hearing loss; MHL, mixed hearing loss; R, right; L, left; B, bilateral; OtoF, fenestral otosclerosis; OtoC, cochlear otosclerosis; OtoO, obliterative otosclerosis; neg, negative; vest, vestibular symptoms; CI, cochlear implantation; OW, oval window; LO, labyrinthine ossificans; HL, hearing loss.