Otalgia Flashcards

1
Q

What is the classification of otalgia? (2)

A

Primary otalgia- pinna, external auditory canal, middle ear

Secondary- referred from other structures

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2
Q

Which nerves can refer pain to the ear? (3)

A

C2/C3 spinal nerves and facial nerve (pinna)

Trigeminal (V3) and vagus nerves (external auditory canal, tympanic membrane)

Glossopharyngeal nerve (middle ear)

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3
Q

Causes of C2/C3 referred pain? (2)

A

Arthritis, cervical spondylosis

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4
Q

Causes of trigeminal nerve referred pain? (2)

A

Dental disease

TMJ dysfunction

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5
Q

Causes of glossopharyngeal nerve referred pain? (3)

A

Any infection of the oropharynx e.g. pharyngitis, tonsilitis, quinsy
Tongue base tumour
Pain post-tonsillectomy

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6
Q

Causes of vagus nerve referred pain?

A

Carcinomas of larynx and hypopharynx

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7
Q

The referred otalgia of pharyngitis is mediated by which nerve?

A

Glossopharyngeal

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8
Q

An acoustic neuroma can impact on the function of which nerves? (3)

A
Trigeminal nerve (corneal reflex, facial sensation)
Facial nerve (facial palsy)
Vestibulocochlear (hearing and balance impaired, tinnitus)
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9
Q

Bilateral acoustic neuromas are seen in which condition?

A

Neurofibromatosis type 2

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10
Q

Investigation of choice in suspected acoustic neuroma?

A

MRI of the cerebellopontine angle

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