Abstract
Middle ear tumours are rare and a precise determination of their incidence is difficult. Figures range from one in 6 000 to one in 20 000 patients with ear diseases.1The middle ear is the least common site of malignancy in the hearing organ with an incidence varying from 9–12%.2 The chance of developing a middle ear malignancy in comparison with other sites is about one in 1 500.3 Reports have also established that malignant tumours of the middle ear are more frequently encountered than benign ones.1Tumours may involve the middle ear cleft primarily, metastatically or by extension from a contiguous area. Occasionally, anomalous conditions such as intrapetrosal carotid aneurysma, aberrant carotid artery or jugular bulb and manifestations of systemic disease such as leukaemia or multiple myeloma, may mimic middle ear neoplasms. This paper is restricted to primary tumours of the middle ear and mastoid.
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