Table 3 Classification of middle ear opacification according to most frequent causes
From: External and middle ear diseases: radiological diagnosis based on clinical signs and symptoms
Opacified middle ear | Traumatic | Otic capsule sparing | |
Otic capsule involving | |||
Non-traumatic | Eustachian tube dysfunction (secretory otitis) | ||
Acute inflflammation/infection | |||
Chronic inflammation/infection | With acquired cholesteatoma | ||
Without cholesteatoma | |||
Glomus tympanicum | |||
Middle ear schwannoma | |||