Table 1.

Patient demographic data, cholesteatoma type and extension, surgical technique, and postoperative complications

Patient/Ear	Age	Cholesteatoma type	Cholesteatoma extension	Surgical technique	Intraoperative findings	complication Postoperatives
1/Left	11	Attic cholesteatoma	E	Staged CWUM	Residual cholesteatoma
2/Left	15	Attic cholesteatoma	E	Staged CWUM
2/ Right	18	Attic cholesteatoma	E	Staged CWUM	Residual cholesteatoma
3/Right	7	Attic cholesteatoma	E	Staged CWUM
4/Left	13	Attic cholesteatoma	E	Staged CWUM
5/Right	12	Attic cholesteatoma	EAM	Staged CWUM		Recurrent cholesteatoma requiring CWDM
6/Left	10	Attic cholesteatoma	EAM	CWDM
7/Right	15	Attic cholesteatoma	ERAM	CWDM	LSCC fistula
8/Right	9	Attic cholesteatoma	EAM	CWDM	Contracted mastoid
8/Left	10	Attic cholesteatoma	EAM	CWDM		Otorrhea treated by medical therapy
9/Left	10	Sinus cholesteatoma	R	CWDM
10/Left	11	Sinus cholesteatoma	R	CWDM	Contracted mastoid
11/Right	8	Sinus cholesteatoma	R	CWDM
12/Left	13	Sinus cholesteatoma	R	CWDM	Contracted mastoid	Otorrhea requiring cavity obliteration
13/Left	12	Sinus cholesteatoma	ERAM	CWDM
13/Right	13	Sinus cholesteatoma	ERAM	CWDM
14/Right	10	Sinus cholesteatoma	ERAM	CWDM		Otorrhea requiring cavity obliteration
14/Left	9	Tensa retraction cholesteatoma	ERAM	CWDM
15/Left	14	Tensa retraction cholesteatoma	ERAM	CWDM
16/Right	10	Tensa retraction cholesteatoma	ERAM	CWDM

E: epitympanum; A: antrum; R:retrotympanum; M: mastoid; CWUM: canal wall up mastoidectomy; CWDM: canal wall down mastoidectomy; LSCC: lateral semicircular canal.