Diseases of The Middle Ear
Mastoid reservoir phenomenon is positive in: (LQ)
|C||Coalescent otitis media|
a. Mastoid reservoir phenomenon is the latent infection in the mastoid resulting from inadequate treatment of AS OM. (Also called as mosked /lotent mastoiditis).
b. It is a slow process of destruction of mastoid air cells without acute features.
Patient is a child, not entirely feeling well with persistence of hearing loss, and mild pain In mastoid region in a treated case of ASOM.
Tympanic membrane appears dull and thick with loss of translucency
X-ray mastoid - clouding of air cells with loss of cell outline.
Cortical mastoidectomy with full doses of antibiotics.