Head and Neck
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1
What are the standard radiographic views for sinusitis and facial trauma?
walters
caldwell
lateral
caldwell
lateral
2
MRI is used to evaluate?
facial tumors
3
CT is used for?
sinusitis
facial trauma
facial trauma
4
What does the walters view show?
maxillary antrum
ethmoid sinuses
lower margin of sphenoid sinuses
ethmoid sinuses
lower margin of sphenoid sinuses
5
Do you normally need to do imaging for sinusitis?
no
6
When is imaging for sinusitis indicated
surgerical intervention planned
intraorbital or intracranial extension of inflammatory process suspected
intraorbital or intracranial extension of inflammatory process suspected
7
When are you able to see the sphenoids?
age 3
8
When are you able to see the frontals?
age 6
9
Are children born with their maxillary and ethmoid sinuses?
yes but not always aerated
10
Which fracture is most common?
nasal
11
Which study is essential to evaluate and tx soft tissues and nerves entrapped by fx fragments?
CT
12
Lefort I fracture extends from ___ to ____ and ususally involves ____.
nasal septum to the lateral pyriform rims
inferior nasal septum
inferior nasal septum
13
Lefort II fractures involve which bones of the face?
inferior orbital rim
maxilla
nasofrontal suture
lacrimal bones
inferior orbital floor
anterior wall of the maxillary sinus
zygoma
pterygoid plates
maxilla
nasofrontal suture
lacrimal bones
inferior orbital floor
anterior wall of the maxillary sinus
zygoma
pterygoid plates
14
Lefort III fractures are otherwise known as the ___?
craniofacial dissociation
15
Lefort III fractures predispose patients to ?
CSF rhinorrhea
16
Which walls are likely to be shattered in an orbital blowout fracture?
inferior wall into the maxillary sinus
medial wall into ethmoid sinus
medial wall into ethmoid sinus
17
With an orbital blowout fracture which muscle is likely to be impacted?
inferior rectus muscle causing paralysis of inferior gaze
18
What is craniosynostoses?
premature fusion of the cranial suture preventing growth perpendicular to involved suture
19
What are thyroglossal cysts?
embryonic developmental abnormality of thyroid
20
What are branchial cleft cysts?
prototypical congenital lateral neck masses seen in the bifurcation of the carotid artery anterior to the SCM
21
What are lymphangiomas?
developmental vascular malformations in posterolateral neck centered at posterior triangle
22
What is the most common tumor of head/neck?
squamous cell carcinoma
23
What is the most common malignant pediatric head and neck tumor?
rhabdomyosarcoma
24
Soft tissue neck films must be ?
end inspiration film but not swallowing
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