disorders

Question 1

anotia

Answer 1

absence of pinna

Question 2

microtia

Answer 2

small sized pinna

Question 3

atresia

Answer 3

when part or all of ear canal does not form

Question 4

stenosis

Answer 4

narrowing of ear canal

Question 5

external otitis

Answer 5

bacterial infection of ear canal, swimmers ear

Question 6

exotosis

Answer 6

bony growth formed in ear canal

Question 7

TM perforations

Answer 7

hole in middle ear, caused by punctures or forceful pressure

Question 8

tympanosclerosis

Answer 8

scarring of eardrum as result of repeated infections

Question 9

otitis media

Answer 9

infection of the middle ear

treated by antibiotics, tubes

Question 10

cholesteotoma

Answer 10

abnormal skin growth in the middle ear behind the eardrum

Question 11

otosclerosis

Answer 11

formation of new bone growth around footplate of stapes

familial component, hormonal pregnancy

Question 12

glomus tumor

Answer 12

rare, arise from glomus bodies

Question 13

viral and bacterial inner ear

Answer 13

herpes, syphilis, measles, mumps, bacterial meningitis

Question 14

presbycusis

Answer 14

hearing loss due to old age, inner ear

Question 15

noise induced hearing loss (NIHL)

Answer 15

high levels of noise can cause HL

temporary threshold shift (after a concert) or permanent, inner ear

Question 16

ototoxicity

Answer 16

ear poisoning, damage to inner ear due to chemical agents such as drugs

Question 17

meniere’s disease

Answer 17

Caused by an excessive amount of endolymphatic fluid that distends Reissner’s membrane
4 symptoms- vertigo (dizziness), tinnitus (ringing in ears), aural fullness, fluctuating sensorineural HL with vertigo attacks

Question 18

Pseudohypacusis

Answer 18

not an actual hearing loss but the patient thinks there is

Question 19

multiple sclerosis (retrocochlear)

Answer 19

nervous system disease that affects your brain and spinal cord
muscle weakness, numbness, trouble with coordination/balance

Question 20

acoustic neuroma

Answer 20

noncancerous tumor grows from inner ear to brain

sensorineural HL, progressive HL, tinnitus

Question 21

neurofibromatosis type 2

Answer 21

rare inherited disorder, benign tumors throughout the body, retrocochlear, may see bilateral acoustic neuroma