Year	Authors	Age	Sex	Presentation	TM	Symptoms	Radiologic aspect	Treatment
1959	Hildyard and Compere	22	F	Isolated	Perforated	CHL, otorrhea	X-ray: smooth rounded	Myringoplasty, removal with a curette
1979	Denia et al.	55	M	Isolated	Perforated	CHL, otorrhea, associated with cholesteatoma	X-ray: oval shape	Surgical exploration advised but refused
2005	Cho et al.	15	F	Tympanic cavity extending into Eustachian tube	Eroded, wet	CHL, otorrhea	CT scan: Egg-shell like density	CWD mastoidectomy
2006	Kim et al.	28	F	Multiple	Anulus eroded, Bulge	MHL, otalgia	CT scan: Egg-shell like density	CWU mastoidectomy
2012	Li et al.	52	M	Multiple	Perforated	MHL, otorrhea	CT scan: Bony mass density	CWU mastoidectomy
Our experience		64	F	Isolated	Not perforated	MHL	CT scan: Bony mass density	Proposed transtympanic ventilation tube insertion or alternatively acoustic protesization

CHL: conductive hearing loss; MHL: mixed hearing loss.