Page 35 - SSB MED EBOOK

good hearing is preserved. Cases of cortical mastoidectomy in the

past with the tympanic membrane intact and presenting no

evidence of disease may be accepted.

External Ear. Cases of chronic otitis externa accompanied by

exostoses or unduly narrow meatii should be rejected. Exaggerated

tortuosity of the canal, obliterating the anterior view of the

Tympanic Membrane will be a cause for rejection.

Middle Ear. Tympanoplasty type I is acceptable twelve weeks after

surgery, provided ear clearance test in altitude chamber is normal.

The following middle ear conditions will entail rejection:-

(a) Attic, central or marginal perforation.

(b) Tympanic membrane scar with marked retraction.

(c) Tympanoplasty type II onward but not type I

(d) Calcareous plaques (tympanosclerosis) if occupying more than

1/3 of pars tensa.

(e) Middle ear infections.

(f) Granulation or polyp.

(g) Stapedectomy/ Stapedolysis operation.

Miscellaneous Ear conditions. The following ear conditions will

entails rejection:-

(a) Otosclerosis even if successfully operated.

(b) Meniere’s disease.

(c) Vestibular Dysfunction including nystagmus of vestibular origin.

(d) Bell’s palsy.