Test 4: 69 nasal imaging Flashcards by jillian Bastidas

Q

what views for skull xray

A

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Q

A

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Q

where is calvarium and cribiform plate

A

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A

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A

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Q

A

hyoid bones

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Q

where is mandibular ramus
temporomadibular joint
zygomatic arch
tympanic bulla

A

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Q

calvarium and cribiform plate

A

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Q

air spaces?

A

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Q

open mouth view is helpful to see

A

nasal passages- mandible no longer in the way

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Q

sinuses for dogs

A

frontal
maxillary

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Q

A

rostrocaudal view

paried frontal sinus

dog (left), cat (right)

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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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Q

flow chart for nasal imaging interpreting

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A

Q

most common fungal nasal infection in dogs and cats

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A

dog: aspergillosis

catL cryptococcus

Q

bacterial rhinitis is usually secondary to

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A

intranasal foreign body

Q

common intranasal cancer

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A

lymphoma, adenocarcinoma

Q

common intranasal cancers that involve bones

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A

osteosarcoma, fibrosarcoma most common

Q

how does CT work

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A

takes a bunch of xrays at different angles

machine does a bunch of math

Q

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A

Q

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A

Q

bone is what color on CT

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A

white- hyperattenuating

what color is gas on CT

black- hypoattenuating

how does MRI work

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

CT or MRI better for soft tissue

**MRI** (bone black) CT: (bone white)