Dilemmas in the treatment of concurrent bilateral meningoencephalocele and superior semicircular canal dehiscence

Otology & Neurotology : Official Publication of the American Otological Society, American Neurotology Society [and] European Academy of Otology and Neurotology
Garrett LocketzOphir Handzel

Abstract

To report on a patient with bilateral meningoencephalocele complicated by bilateral asymptomatic superior semicircular canal dehiscence and discuss dilemmas associated with his successful surgical treatment. Case capsule report. Tertiary academic medical center. A 56-year-old man with 6 years of progressive conductive hearing loss and recent spontaneous cerebrospinal fluid leak from the right ear diagnosed as having bilateral large temporal bone meningoencephalocele (ME) and concomitant bilateral asymptomatic superior semicircular canal dehiscence (SSCD). The right ME was repaired through the middle fossa approach, and the right SSCD was plugged. To avoid the risk associated with bilaterally plugging the SSCDs, the left ME was sealed by subtotal petrosectomy, blind sac closure of the external auditory canal, plugging of the eustachian tube orifice, and obliteration of the residual space with an abdominal fat graft. The herniated brain and meninges were amputated, and the tissue present in the attic was not disrupted. Hearing was reconstructed with a two-staged Bone-anchored Hearing Aid procedure to avoid the risk of cerebrospinal fluid leaking through the skin defect of the Bone-anchored Hearing Aid abutment. Temporal bone ME c...Continue Reading

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Citations

May 26, 2016·Otolaryngology--head and Neck Surgery : Official Journal of American Academy of Otolaryngology-Head and Neck Surgery·Habib G RizkTed A Meyer
Apr 27, 2018·Otology & Neurotology : Official Publication of the American Otological Society, American Neurotology Society [and] European Academy of Otology and Neurotology·Ophir HandzelOmer J Ungar
Mar 15, 2019·Otology & Neurotology : Official Publication of the American Otological Society, American Neurotology Society [and] European Academy of Otology and Neurotology·Melissa S OhDouglas E Mattox
Jul 25, 2019·Current Opinion in Otolaryngology & Head and Neck Surgery·Anthony M Tolisano, Joe Walter Kutz
Mar 21, 2021·Otology & Neurotology : Official Publication of the American Otological Society, American Neurotology Society [and] European Academy of Otology and Neurotology·Rebecca L HeywoodMarcus D Atlas

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