Skull Radiographic Views and Anatomy Flashcards

1
Q

List the main types of full skull radiographs.

A

Occipitomental

Postero-anterior mandible

Reverse Towne’s

True lateral skull (Very similar to lateral cephalogram except positioning not standardized with a cephalostat)

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
2
Q

What type of radiograph is this, and what are they typically used for?

A

Occipitomental radiograph

Shows facial skeleton, avoiding superimposition of the skull base.

Mainly used for middle third facial fractures (including coronoid process fractures).

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
3
Q

What degrees of angulation are occipitomental radiographs usually taken at?

A

O, 10, 30, or 40 degrees.

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
4
Q

How should a patient be positioned for an occipitomental radiograph?

A

Head tipped so that orbitomeatal line is at 45 degrees to receptor. Beam can then be adjusted for desired angulation.

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
5
Q

Identify the landmarks shown in this radiograph, in descending order.

A

Frontal sinus
Orbital rim
Zygomatic bone/arch
Infraorbital foramen
Maxillary sinus
Coronoid process
Mandible
Dens of C2

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
6
Q

Identify the radiograph shown below. When would a radiograph such as this be indicated?

A

Postero-anterior mandible radiograph

Lesions and fractures involving the post. third of body, angles, rami, and lower condylar necks.

Also used for assessing mandibular hypo/hyperplasia, and maxillofacial deformities.

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
7
Q

Identify the landmarks shown in this radiograph, in descending order from right to left.

A

Posterior mandible
Nasal septum
Maxillary sinus
Mastoid process
Dens of C2
Cervical spine

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
8
Q

Identify this type of radiograph. When is a radiograph of this type indicated?

A

Reverse Townes Radiograph

Indicated for high fractures of condylar necks
Intracapsular fractures of TMJ
Condylar hypo/hyperplasia

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
9
Q

How should a patient be positioned for a reverse Townes radiograph?

A

Orbitomeatal line perpendicular to receptor

Mouth open to move condylar heads out of glenoid fossa

X-ray beam 30 degrees below perpendicular line to receptor, centered through condyles.

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
10
Q

Identify this type of facial fracture.

A

Le Fort I fracture.

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
11
Q

Identify this type of facial fracture.

A

Le Fort II fracture.

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
12
Q

Identify this type of facial fracture.

A

Le Fort III fracture.

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
13
Q

Identify this type of facial fracture,

A

Orbital blow out fracture

How well did you know this?
1
Not at all
2
3
4
5
Perfectly