Essential radiological feature of acute mastoiditis is:
(b) Clouding of air cells of mastoid(Ref. Cummings, 6th ed., 2161)X-ray mastoid and CT scan shows clouding of air cells because of the collection of exudates in them. Later on mastoid pneumatisation is lost and a single mastoid cavity may be seen.
Temporal bone pneumatization
Clouding of air cells of mastoid
Rarefaction of petrous bone
Thickening of temporal bone
Disorders of Middle Ear (Otitis Media)