Table 1 |
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|
Differential diagnosis according to the lesion site. |
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|
PETROUS APEX |
MIDDLE EAR CAVITY |
EXTERNAL MEATUS |
|
|
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|
Glomus tumor |
Cholesteatoma |
Osteoma |
|
|
||
|
Meningioma |
High jugular bulb |
Bony stenosis |
|
|
||
|
Schwannoma |
Carotid artery aberrance |
Cholesteatoma |
|
|
||
|
Arachnoid cyst |
Glomus tumor |
Brain hernia |
|
|
||
|
Plasmocytoma |
Hemotympanum |
|
|
|
||
|
Lymphoma |
Brain hernia |
|
|
|
||
|
Histiocytosis X |
||
|
|
||
|
Epidermoid cysts |
||
|
|
||
|
Mucocele |
||
|
|
||
|
Carotid aneurism |
||
|
|
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|
Bone and cartilaginous tumors |
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|
|
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|
Nikolaidis et al. BMC Ear, Nose and Throat Disorders 2010 10:4 doi:10.1186/1472-6815-10-4 |
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