Pathology
A widened Sella turcica could indicate which pathology?
Pituitary adenoma
Which cranial bone articulates with all the other cranial bones?
Sphenoid
The anterior fontanel becomes the ______ in an adult.
Bregma
If a patients chin is extended during a lateral skull, what might the result be?
Repeat due to c1 overlap
What is another name for an average shaped skull?
Mesocephalic
What is craniosynostosis?
Closure of sutures
Which cranial bone protects the ossicles?
Temporal
Which suture separates the parietal from the occipital bone?
Lambdoidal
When evaluating the lateral image, the EAM's, TMJ's and orbital plates all appear to be offset, one is more superior to the other. This indicates what?
Tilt
When performing a skull series, at Mercy, for shunts, child abuse and adult bone surveys, which views do you take?
Caldwell and lateral
(1 lateral for shunt and child abuse)
(No AP Axial for either)
What is a condition of osteoblastic and osteolytic conditions?
Paget's disease
Which cranial bone contains the cribiform plate?
Ethmoid
Cranial sutures are classified as:
Synarthrodial
In an SMV projection, what line is placed parallel to the image receptor?
IOML
Where should the IR be centered for the lateral projection of the skull?
2" above EAM
A benign, cystic mass of the middle ear that impacts hearing.
Cholesteatoma
the frontal bone contains a notch between the orbital plates for articulation with which bone?
Ethmoid
What point corelates with the petrous ridges?
TEA (Top of ear attachment)
If the posterior arch of C1 is visible within the foramen, on an AP axial projection, what positioning error has occurred?
Excessive CR angulation
What contains the organs of equilibrium?
Inner ear
Excessive spongy bone in the middle ear that impacts hearing.
Otosclerosis
1. The inion is located on what bone?
2. Which bone has both lesser and greater wings?
1. Occipital
2. Spenhoid
What is the centering point for the PA axial projection (Caldwell method)?
Nasion
If a patient is unable to flex their neck enough to use OML for the AP Axial projection, what can be done?
Use IOML and increase CR angulation by 7 degrees
1. Stapes
2. Eustachian tube attachment
3. Incus
4. Malleus
1. Middle ear
2. Middle ear
3. Middle Ossicle
4. Next to the ear drum