Test 4: 69 nasal imaging Flashcards

1
Q

what views for skull xray

A
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2
Q
A
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3
Q

where is calvarium and cribiform plate

A
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4
Q
A
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5
Q
A
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6
Q
A

hyoid bones

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7
Q

where is mandibular ramus
temporomadibular joint
zygomatic arch
tympanic bulla

A
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8
Q

calvarium and cribiform plate

A
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9
Q

air spaces?

A
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10
Q
A
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11
Q
A
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12
Q

open mouth view is helpful to see

A

nasal passages- mandible no longer in the way

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13
Q

sinuses for dogs

A

frontal
maxillary

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14
Q
A

rostrocaudal view

paried frontal sinus

dog (left), cat (right)

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15
Q

nasal septum is made by — and is supported by — and is filled with —

A

Cartilaginous, ossified caudally

vomer bone

turbinates

  • Rostrally: dorsal and ventral conchae
  • Caudally: Ethmoid conchae
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16
Q

flow chart for nasal imaging interpreting

A
17
Q

most common fungal nasal infection in dogs and cats

A

dog: aspergillosis

catL cryptococcus

18
Q

bacterial rhinitis is usually secondary to

A

intranasal foreign body

19
Q

common intranasal cancer

A

lymphoma, adenocarcinoma

20
Q

common intranasal cancers that involve bones

A

osteosarcoma, fibrosarcoma most common

21
Q

how does CT work

A

takes a bunch of xrays at different angles

machine does a bunch of math

22
Q
A
23
Q
A
24
Q

bone is what color on CT

A

white- hyperattenuating

25
Q

what color is gas on CT

A

black- hypoattenuating

26
Q

how does MRI work

A

Utilizes magnetic fields and electricity to manipulate atoms within the body at many different contiguous locations (“slices”) in order to provide volumetric information about tissues

tell the machine what tissue to highlight : T1 vs T2

27
Q

CT or MRI better for soft tissue

A

MRI (bone black)

CT: (bone white)

28
Q
A
29
Q
A