These are the largest para nasal sinuses
Maxillary
Air fluid levels are often seen in these di use after a basal skull FC
Sphenoid
The term Antrum of high more is often associated with these sinuses
Maxillary
These para nasal sinuses develop last
Ethmoid
It’s not uncommon or these sinuses to be absent
Frontal
Infection of the molars and/or premolars may travel to these sinuses
Maxillary
These sinuses are rarely aireated before the age of 6
Frontal
These sinuses are posterior to the glabbella
Frontal
These sinuses are grouped into anterior posterior and middle collections
Ethmoid
What is the space between primary and secondary ossification called
Epiphyseal plates
Motion of the jaw should be kept still if there is suspicion of fx
True
How do we image true air fluid levels with the PA Caldwell
Horizontal beam
Lift head to create 15°
Approx what age are all sinuses developed
Late teen
Who’s responsible to report potential child abuse
Supervisor
Follow site protocol
What is the term we use today that means child or person abuse
NAT
non accidental trauma
What is the contrast media preferred when trying to locate a foreign object
Water soluable
Gastrographin
For a bone survey of a child it is common to xray both limbs for comparison
True
Where are corinoid processes are located
Mandible and ulna
What forms the majority of the hard palate
Maxilla
What age is a child when there mandible joins together
1
Palatine bone is basically what shape
“L”
What does the palatine help form
Posterior aspect of hard palate
These para nasal sinuses are medial to the orbits
Ethmoid
which sinus does waters method help show the best
Maxillary
For the parietalacanthialtransoral projection which sinuses do we see the best and which position line lies perpendicular to start with
Sphenoid
Which sinuses communicate directly with the nasal cavity
Everything but sphenoid
What conditions are we looking for when taking images of both TMJ joints open and closed
Dislocation
Fx
Fossae erosion
What joint is the only diarthrodial joint in the skull
TMJ
What is your largest densest movable facial bone
Mandible
Describe the PA projection for mandible
Perpendicular exit at lip junction
Describe CR for axiolateral oblique mandible projection
Angled no more than 25° cephalad exit at area of interest
How much would you angle the mandible toward the IR to demonstrate
the mentum
The body
General survey
45°
30°
10-15°
What projections or views make up the TMJ series
Law
Schullar
Towne
Which projection for TMJ requires a double angle? What are those angles? Explain CR
Law
15-15 caudad
Enter 1 1/2” ⬆️to EAM
Describe CR for Sculler
25-35° caudad
1/2” anterior and 2” superior to EAM
Which sinus views or projections demonstrate sphenoid sinuses well
SMV
Open mouth waters
Lateral
CR is perpendicular to what positioning line for an SMV
IMOL
What cranial bones do the palatine bones articulate with
Ethmoid and sphenoid
What portion of the mandible fits into the temporal Mandibular Fossae
Condyle/ head or condyloid process
What projections or views make up a sinus exam
Lateral SMV Waters Open mouth waters Caldwell
Each maxilla articulates with which facial bones
The other maxilla
Zygomatic
Nasal
Inferior nasal conchae
What 3 facial cavities does each maxilla help create
Orbit
Nasal
Oral
Why process of the maxilla contains the cavities that hold the upper teeth
Alveolar
What’s the triangular area of the mandible called? What is in the middle?
Mental protuberance
Mentum/ mentam point
What is orthorodgentogrophy
Measurement of long bones
Where does the ruler need to be for measurement o long bones
Taped to table under extrimenty of interest
If a swallows a foreign object what would be the first thing we would do
Scout or preliminary images
What areas do we xray when a foreign object has been swallowed? What image will be taken last?
From top of ear to anal canal
Follow up
What images are taken if foreign object is in respiratory system
PA on inspiration
PA on expiration
Lateral
What is a metastatic bone survey
X-rays taken to see the possible spread of cancer
How are metastatic bone survey exams different from NAT?
NAT includes whole extremities
What forge in body is hard to detect on a radiograph image
Glass