1. Martin N, Sterkers O, Mompoint D, Julien N, Nahum H: Cholesterol Granulomas of the Middle Ear Cavities: MR Imaging. Radiology. 1989, 172: 521-525.
2. Rinaldo A, Ferlito A, Cureoglu S, Devaney K, Schachern P, Paparella M: Cholesterol granuloma of the temporal bone: a pathologic designation or a clinical diagnosis?. Acta Oto-Laryngologica. 2005, 125: 186-190.
3. Mc Naugthan IP: The chronic ear. The aetiology and treatment of cholesterol granuloma in the middle ear. Proc R Soc Med. 1964, 57: 767-769.
4. Campana D, Alves F, Sarmento Neto P, Palermo F, Salem L, Almeida P: Lesao litica do meato acustico externo granuloma de cholesterol. Rev Bras Otorrinolaringol. 1988, 54: 112-114.
5. Koh S, Kim C, Lee S: Cholesterol granuloma of the external auditory canal. Korean J Otolaryngol. 2008, 51: 1143-1146.