Title: Endolymphatic sac tumor, L-221
Chapter: Neoplasms
Chapter section: Adenomas Adeno Carcinoma
TB Case Number: 910
Comments: endolymphatic sac tumor
Gender: Male
Age(yrs.): 41
Otologic Dx: 1. Endolymphatic sac tumor (papillary cystadenoma), bilateral
2. Endolymphatic hydrops, cochlear and vestibular labyrinths, bilateral
3. Endolymphatic space , inflammation with cholesterol, right
4. Mastoidectomy, canal-wall up (sac decompression), bilate
Title: Endolymphatic sac tumor, L-290
Chapter: Neoplasms
Chapter section: Adenomas Adeno Carcinoma
TB Case Number: 910
Comments: endolymphatic sac tumor
Gender: Male
Age(yrs.): 41
Otologic Dx: 1. Endolymphatic sac tumor (papillary cystadenoma), bilateral
2. Endolymphatic hydrops, cochlear and vestibular labyrinths, bilateral
3. Endolymphatic space , inflammation with cholesterol, right
4. Mastoidectomy, canal-wall up (sac decompression), bilate
Chapter: Neoplasms
Chapter section: Schwannoma
TB Case Number: 957
Gender: Male
Age(yrs.): 70
Otologic Dx: 1. Schwannoma, cochleovestibular, clinical, bilateral (neurofibromatosis type 2)
a) Schwannoma, predominantly intralabyrinthine, involving all vestibular sense organs and basal turn of cochlea, right
b) Incision biopsy, schwannoma, cochleostomy approach,
Chapter: Neoplasms
Chapter section: Schwannoma
TB Case Number: 957
Gender: Male
Age(yrs.): 70
Otologic Dx: 1. Schwannoma, cochleovestibular, clinical, bilateral (neurofibromatosis type 2)
a) Schwannoma, predominantly intralabyrinthine, involving all vestibular sense organs and basal turn of cochlea, right
b) Incision biopsy, schwannoma, cochleostomy approach,
Title: Schwannoma, L-191
Chapter: Neoplasms
Chapter section: Schwannoma
TB Case Number: 1024
Comments: 94 yr old female with bilateral sensorineural hearing loss, worse on the left. The left inner ear shows two small schwannomas, one entirely intracochlear in the scala tympani of the middle turn and the other within the inferior division of the vestibular
Gender: Female
Age(yrs.): 95
Otologic Dx: Clinical:
1. Adult onset, progressive, bilateral sensorineural hearing loss, probably genetic in etiology
Histopathologic:
1. Stria vascularis atrophy, near total, affecting entire cochlear duct, bilateral, probably genetically determined
2. Inactive, hea
Title: Schwannoma, L-191
Chapter: Neoplasms
Chapter section: Schwannoma
TB Case Number: 1024
Comments: 94 yr old female with bilateral sensorineural hearing loss, worse on the left. The left inner ear shows two small schwannomas, one entirely intracochlear in the scala tympani of the middle turn and the other within the inferior division of the vestibular
Gender: Female
Age(yrs.): 95
Otologic Dx: Clinical:
1. Adult onset, progressive, bilateral sensorineural hearing loss, probably genetic in etiology
Histopathologic:
1. Stria vascularis atrophy, near total, affecting entire cochlear duct, bilateral, probably genetically determined
2. Inactive, hea
Title: Schwannoma, L-191
Chapter: Neoplasms
Chapter section: Schwannoma
TB Case Number: 1024
Comments: 94 yr old female with bilateral sensorineural hearing loss, worse on the left. The left inner ear shows two small schwannomas, one entirely intracochlear in the scala tympani of the middle turn and the other within the inferior division of the vestibular
Gender: Female
Age(yrs.): 95
Otologic Dx: Clinical:
1. Adult onset, progressive, bilateral sensorineural hearing loss, probably genetic in etiology
Histopathologic:
1. Stria vascularis atrophy, near total, affecting entire cochlear duct, bilateral, probably genetically determined
2. Inactive, hea
Title: Schwannoma, L-191
Chapter: Neoplasms
Chapter section: Schwannoma
TB Case Number: 1024
Comments: 94 yr old female with bilateral sensorineural hearing loss, worse on the left. The left inner ear shows two small schwannomas, one entirely intracochlear in the scala tympani of the middle turn and the other within the inferior division of the vestibular
Gender: Female
Age(yrs.): 95
Otologic Dx: Clinical:
1. Adult onset, progressive, bilateral sensorineural hearing loss, probably genetic in etiology
Histopathologic:
1. Stria vascularis atrophy, near total, affecting entire cochlear duct, bilateral, probably genetically determined
2. Inactive, hea
Title: Schwannoma, L-191
Chapter: Neoplasms
Chapter section: Schwannoma
TB Case Number: 1024
Comments: 94 yr old female with bilateral sensorineural hearing loss, worse on the left. The left inner ear shows two small schwannomas, one entirely intracochlear in the scala tympani of the middle turn and the other within the inferior division of the vestibular
Gender: Female
Age(yrs.): 95
Otologic Dx: Clinical:
1. Adult onset, progressive, bilateral sensorineural hearing loss, probably genetic in etiology
Histopathologic:
1. Stria vascularis atrophy, near total, affecting entire cochlear duct, bilateral, probably genetically determined
2. Inactive, hea







