This condition can occur if the Osteomeatal complex becomes obstructed?
What is Sinusitis
This term is used to describe the posterior aspect of the orbit.
What is the Apex
All 4 sinuses are visualized using this method
What is Open-Mouth Waters
These cranial bones are apart of the orbits
What are Frontal, Sphenoid, Ethmoid
This projection best demonstrates all 4 sinuses.
What is the lateral sinuses projection?
This fluid develops in the sinus and turns into a thick mucus that often indicates infection present in one or more of the sinuses.
What is Sinus Exudate.
The sensory nerves for the cheek and upper lip are located here
What is the inferior orbital fissure
These sinuses rarely become aerated before the age of 6
What are the frontal sinuses
These Facial Bones are Apart of the Orbit
What is a PA Caldwell (sinuses) projection?
These lesions have a "Moth-eaten" appearance of bone due to a mix of destructive and blastic lesions.
What are Combination Osteolytic and Osteoblastic Lesions
This topographical line is perpendicular to the IR for the Rheese Method.
What is the AML
These sinuses that drain through the osteomeatal complex, may become infected if blocked
What are the Maxillary, Frontal, Anterior Ethmoid
These are considered additional projections for an Orbits series?
PA Axial Caldwell, Modified Waters
This positioning error during a waters method (sinuses) caused the petrous ridges to be above the maxillary sinuses.
What is under-extension of the neck?
When Blood or CSF leaks into the sphenoid sinuses, this condition is called, _________ and is an indication of what?
What a Sphenoid Effusion indicating a Basal Skull Fracture.
This method is best for demonstrating blowout fractures
What is the Modified Waters Method
Name the anatomical structure that serves as a common drainage pathway for the sinuses.
What is the infundibulum
This passageway connects the middle ear to the nasopharynx
What is the Eustachian
This projection requires the MSP to be 53 degrees to the IR.
What is the Rhese Method (Orbits)?
A hereditary disease that involves irregular ossification of the auditory Ossicles of the middle ear
What is Otosclerosis
This bone bridge forms the inferolateral wall of the optic canal.
What is the sphenoid strut
This receives drainage from the frontal and ethmoid sinus cells, which then drains down through the middle nasal meatus
What is the Ethmoid Bulla
This is the Medical Term for the Ear Drum
What is the Tympanic Membrane
This anatomy should be demonstrated in a Rhese Method.
What is the optic foramen in lower outer quadrant?