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• 1. Browning, G.G.: Pathology of inflamatory conditions of the external and middle ear. ScottÐBrownÕs Otolaryngology (Ed. Alan G. Kerr) Fifth edition, Butterworth Co., London 1987 vol. 3, pp: 75Ð78. 2. Nager, G.T., Vanderveen, T.S.: Cholesterol granuloma involving the temporal bone. Ann Otol Rhinol Laryngol 85: 204Ð209, 1976. 3. Gherini S.G., Brackmann, D.E., Lo, W.W.M., et al.: Cholesterol granuloma of the petrous apex. Laryngoscope 95: 659Ð664, 1985. 4. Latchaw RE, Dreisbach JN: Imaging the petrous bone associated intracranial structures. Otolaryngology Head and Neck Surgery (Ed. CW Cummings) Second edition, Mosby Year Book, St. Louis, 1993 vol 4, pp: 2736Ð2737.