Bluish tympanic membrane is seen in:
In glue ear (serous otitis media) Tympanic membrane is dull opaque with loss of light reflex and appears yellow / grey / blue in colour.Normal colour of tympanic membrane is pearly grey.Congested membrane with prominent blood vessels (cawheel sign) is seen in early stages of acute otitis media.Bluish discoloration is seen in haemotympanum.Flamingo pink color is seen in otosclerosis.
Early ASOM
Glue ear
Cholesteatoma
Cholesterol granuloma