Local Otalgia

Question 1

what structures in the pinna and external auditory canal can be the route of local pain

Answer 1

squamous epithelium, hair follicles, sebaceous glands, cartilage

Question 2

what structures in the middle ear can be the route of local pain

Answer 2

tympanic membrane, eustachian tube

Question 3

what structures in the inner ear can be the route of local pain

Answer 3

vestibulocochlear nerve

Question 4

what is otalgia

Answer 4

ear pain

Question 5

give some examples of local causes of otalgia at the pinna and external auditory canal

Answer 5

folliculitis, cellulitis, candidiasis, herpes zoster/simplex,

Question 6

give some examples of local causes of otalgia at the middle ear

Answer 6

cholesteatoma, otitis media, middle ear effusion

Question 7

give some examples of local causes of otalgia at the tympanic membrane

Answer 7

myringitis, inflammation secondary to otitis media

Question 8

give an example of malignancy that can cause otalgia

Answer 8

squamous cell carcinoma of the ear canal

Question 9

what different types of trauma can cause otalgia

Answer 9

direct trauma(eg sports), foreign body, planned trauma(eg post surgery), barotrauma(eg scuba diving), “cleaning” with cotton buds