4Jang CH, Cho YB,Kim YH,et al.Congenital cholesteatoma associated with blue eardrum[J].In Vivo,2009,23(1):163-166.
5Ferlito A, Devaney KO, Rinaldo A, et al.Clinicopathological consulation ear cholesteatoma versus cholesterol granuloma[J].Ann Otol Rhinol Laryngol,1997,106(9):79-85.
6Deguine C,Pulec JL.Attic cholesteatoma and polyp with a blue ear drum[J].Ear Nose Throat J,1997,76(9):488-490.
7Hybasek J,Hybasek I.Etiopathogenesis of so-called idiopathic hemotympanum and its relation to morphogenesis of the adhesive process[J]. Acta Otolaryngol,1961,53(7):429-441.
8Hartwein JH,Raschke DT.Hemangioma of the middle ear[J].Laryngol Rhinol Otol (Stuttg),1987,66(5):280-282.
9Goldofsky E,Hoffman R A,holliday R A,et al.Cholesterol cysts of the temporal bone:Diagnosis and treatment[J].Ann Otol Rhinol Laryngol,1991,100(9):181-187.
10Kerstetter J R,Do lan K D.Middle ear cholesterol granuloma[J].Ann Otol Rhinol Laryngol,1991,100(7):866-868.