SINUSES FLASHCARDS

both routine and methods

Lateral Projection

What projection is used to demonstrate all sinuses, nasal bones, sella turica? (Skull Projection)

CR of Lateral Projection of the Skull?

2” above EAM

What demonstrates the

Traumatic sphenoid sinus effusion And basal skull fracture?

Lateral Projection/Dorsal Decub/ Cross Table (Robinson, Meares & Goree)

CR for Robinsons, Meares and Goree

2”above EAM

What projection shows the Orbits are filled by the margins of petrous pyramids?

PA PROJECTION OF cranium

What projection shows petrous ridges are projected into the lower 3rd of the orbits. It also shows the ethmoidal air cells

PA AXIAL CALDWELL

CR FOR PA PROJ

Perpendicular

CR for Caldwell?

15 degrees Caudad

CR of caldwell that shows superior orbital fissures?

20-25 degrees caudad

CR of caldwell that shows rotundum foramina?

25-30 degrees caudad

The IOML of AP Axial Townes/Chamberlaine Projection shows?

Dorsum sellae & posterior clinoid within the foramen magnum

OML of AP Axial Projection Townes/Chamberlaine Method shows?

Anterior Clinoid Process above foramen magnum

How many degrees is used for Townes OML and IOML?

30 degrees caudad -OML

37 degrees caudad - IOML

This show the occipital region of the cranium and shows a symmetric image of the petrous pyramids and the dorsum sellae and posterior clinoid processes within the foramen magnum?

PA AXIAL PROJECTION Haas Method

CR of HAAS method

25 degrees cephalad

Haas is perpendicular to? And what should touch the IR?

Oml, forehead and nose

What method do you called when using SMV/FULL BASAL/BASILAR PROJECTION to demonstrate sphenoidal and ethmoidal sinuses?

Schuller/Pfeiffer Method

SMV/FULL BASAL/ BASILAR

PROJECTION

SCHULLER/PFEIFFER METHOD is parallel to? And what is the central ray?

IOML and perpendicular to IR (gonion to the vertex)

This shows Shows symmetric images of the petrosae, the mastoid processes, the foramina ovale and spinosum (which are best shown in this projection), the carotid canals, the sphenoidal and ethmoidal sinuses, the mandible, the bony nasal septum, the dens of the axis, and the occipital bone. The maxillary sinuses are superimposed over the mandible.

SMV/FULL BASAL/ BASILAR PROJECTION Schuller/Pfeiffer Method

This demonstrates the anterior cranial base and foramen ovale and foramen spinosim

VSM Schuller Method

In VSM Schuller Method what should be Parallel and Perpendicular to the IR?

IOML (Parallel) and MSP perpendicular

CR of VSM Schuller Method

Perpendicular to IR

What does Parieto-Orbital Oblique Projection(Rhese and 3 point landing) shows?

Optic Canal and Optic Foramen

Parieto-Orbital Obique Projection (Rhese and 3-point landing medthod PATIENT posiyion and Central Ray.

Semi prone, Check, nose and chin on IR, AML is perpendicular. Cr perpendicular to IR.

In Parieto-Orbital Oblique Projection (Rhese and 3-point Landing) how many degrees does MSP have?

53

This demonstrate the optic canal in cross section inferior and lateral quadrant of orbital shadow as well as optic canal fractures

Orbito-Parietal Oblique Projection (Alexander method)

Position Part pf Orbiteo-Parietal Oblique Projection (Alexander Method)

Supine, rotate head away, AML perpendicular and MSP 40. Degrees

This demonstrates Optic Canal/Foramen and Anterior Clinoid Process

Parieto Orbital Oblique Projection (Modified Lysholm Method)

Parieto Orbital Oblique Projection (Modified Lysholm Method) part position and what degrees does the MSP have?

Semi-prone, Forehead and nose against IR, MSP 20 degrees from vertical

Cr of Parieto Orbital Oblique Projection (Modified Lysholm Method)

20 degrees caudad

It is the cleft between greater and lesser wings of sphenoid bone .

Superior Orbital Fissures

A narrow cleft extending from the lower anterolateral aspect of the sphenoid body

Inferior orbital fissures

What procedure is used for superior orbital fissures?

Caldwell Method

CR for Superior Orbital Fissure - PA Axial Projection

20-25 degrees caudad

this demonstrates the superior orbital fissure and petrous portion of the temporal bone

Superior Orbital Fissure- PA Axial Projection

Patient Position for Superior Orbital Fissure- PA Axial Projection

Prone, Forehead and nose against IR, MSP and OML both are perpendicular

what method is used to demonstrate inferior orbital fissure between shadows of the lateral PTYERGOID LAMINA of sphenoid bone and CONDYLAR PROCESS of the mandible.

PA Axial Projection - Bertel Method

CR for Bertel Method

20-25 degrees cephalad

PA Axial Projection - Bertel Method Patient Position

Prone, Forehead and Nose touching the IR, both MSP and IOML perpendicular

What projection/method is used to demonstrate unobstructed and undistorted sphenoid strut?

Parieto-orbital Oblique Projection - Hough Method

CR for Parieto-orbital Oblique Projection - Hough Method

7 degrees caudad

Patient position for Parieto-orbital Oblique Projection - Hough Method

Prone, Supercillart Ridge/Arch side resting the IR/Table, IOML should be Perpendicular, MSP 20 degrees

what projection/method is used to demontrate blowout fracture, orbits, maxillae&maxillary sinuses, frontal sinus, zygomatic sinuses?

Parieto-Acanthial Projection - Waters Method

CR for Parieto-Acanthial Projection - Waters Method

Perpendicular to exit acanthion

Patient Position for Parieto-Acanthial Projection - Waters Method

both MML and MSP perpendicular, Hyperextend neck til OML forms 37 degrees

this method demonstrates petrous ridges below the inferior border of the orbits at a level midway through the maxillary sinuses. and blowout fx

Modified Parietoacanthial Projection - Modified Waters/Shallow Waters Method

Patient Position for Parieto-Acanthial Projection - Modified Waters Method/Shallow Waters Method

Extend neck to lesser degree OML to 55 degrees and MSP perpendicular

CR for Parieto-Acanthial Projection - Modified Waters Method/Shallow Waters Method

Perpendicular to IR

this is used for TRAUMA Px and to demonstrate facial bones and petrous ridges projected below maxillary sinuses. 

Acanthioparietal Projection - Reverse Waters Method.

Px Position for Acanthioparietal Projection - Reverse Waters Method.

MML is Perpendicular and Chin Up OML forms 37 degrees