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Flashcards in Temporal Bone Deck (15):
1

Modality of choice for evaluating outer and middle ear

CT scan

2

It is better for evaluating inner ear and the nerve

MRI

3

Modality for conductive problem

CT scan

4

Modality for sensory neuron problems

MRI

5

Two views to assess the temporal bone

1st -Axial view
2nd - coronal view

6

It is better for evaluating ossicles, tympanic cavity, and mastoid air cells and is better in tracing the more peripheral portions of facial nerve

CT scan

7

Used to differentiate CN VII from CN VIII

MRI

8

Used in assessing for Schwannoma

MRI

9

Used in assessing tympanomastoiditis

CT scan

10

Recurrent otitis media with tympanic membrane rupture.

Cholesteatoma

11

Describe cholesteatoma

There is ingrowth of squamous epithelium through ear drum. There is accumulation of squamous and keratin debris within middle ear. It erodes bony walls and ossicles.

12

It is an aggressive inflammatory process that becomes a mass but it is NOT a cancer

Cholesteatoma

13

To view the normal insertion of temporomandibular joint in the fossa, you will use what modality?

CT scan

14

It is secondary to chronic periodontal infections

TMJ ankylosis

15

What kind of view are you going to request if you're looking for trauma in the TMJ?

Opaque views of mandible or better if panoramic view of mandible