A mastoidectomy is done and the semicircular canals are exposed. The posterior fossa dura is exposed. The endolymphatic sac is frequently found within this dura covering the brain. The sac is opened widely and a shunt tube is placed and secured.
S H U N T S U R G E R Y
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A mastoidectomy is done and the semicircular canals are exposed. The posterior fossa dura is exposed. The endolymphatic sac is frequently found within this dura covering the brain. The sac is opened widely and a shunt tube is placed and secured. |
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