Otosclerosis

detail description of otosclerosis

1. OTOSCLEROSIS
Ms. SAHELI C
LECTURER
IACN

3. DEFINITION
It is a metabolic bone
disease of the ossicles
in which normal bone
is replaced by
abnormal ‘spongy
bone’ causing fixation
of the stapes bone.

16. •Schwartz’s Sign:Schwartz
signalso known as Flemingo's
pink sign, is a diagnostic
indicator forotosclerosis. A
pink is noted throughout the
tympanic membrane.
•Absent acoustic reflex: Loud
sounds cause involuntary
contraction of the stapedius
muscle, calledacoustic reflex.

21. SURGICAL MANAGEMENT
One of the two surgical procedures may be
performed-
1.Stapedectomy
2.Stepedotomy.
STAPEDECTOMY
A stapedectomyinvolves removing the stapes
structure and part of the footplate and
inserting a tissue graft and a suitable
prosthesis.