Table 1. Patients demographic data

Patient	Sex/age	Diagnosis	Past history	Lesion of cholesteatoma	Surgery17)	Reconstruction	Follow-up periods (month)
1	M/70	Attic cholesteatoma [L],Labyrinthine fistula [L]	None	Epitympanum, aditus, mastoid cavity, lateral semicircular canal	CWD c POR [L]fistula repair [L]	Concha cartilage, DBM, Ant.based flap	4
2	M/58	Recur.Cholesteatoma [L]	CWD state [L]	Epitympanum, aditus, mastoid cavity	CWD [L]	Concha cartilage, DBM, bone chip, fascia, Ant.based flap	5
3	F/74	Recur.Cholesteatoma [R]Labyrinthine fistula [R]	CWU state [R]	Mesotympanum, epitympanum, aditus, mastoid cavity lateral semicircular canal	CWD c T3 [R]fistula repair [R]	Concha cartilage, DBM, megaderm, Ant.based flap	2
4	M/35	Attic Cholesteatoma [R]	None		CWD c Tl [R]	Concha cartilage, DBM, fascia, Ant.based flap	2

DBM: Demineralized bone matrix, CWD: Canal wall down mastoidectomy, Ant.based flap: Anterior based musculoperiosteal flap, T1 : Tympanoplasty type 1, T3: Tympanoplasty type 3, PORP: Partial ossicular replacement prosthesis, fascia: temporalis muscle fascia