Radiographic Positioning: Radiographic Positioning of the Sinuses

SINUSES

ROUTINE VIEWS:
PA (Caldwell)
Waters
Open Mouth Waters
Lateral of Affected Side

CLEAN TABLE BEFORE PUTTING PATIENT'S FACE ON IT.

FILMS MUST BE DONE ERECT TO SEE FLUID LEVEL.

PA
1. 8 x 10 film
2. Patient seated or standing with forehead and tip of nose resting on upright Bucky.
3. Central Ray: angled 15o caudally and passes through nasion. The O.M.L. is perpendicular to table.
4. Bucky
5. 40" SID
6. Central Ray: to exit nasion

Waters
1. 8 x 10 film
2. Patient seated or standing with chin resting on upright Bucky so that the mentomeatal line is perpendicular to film.
3. Bucky
4. 40" SID
5. Central Ray: to exit acanthion

Open Mouth Waters
Patient positioned same as waters view, but with mouth opened. This view must DEMONSTRATE SPHENOID SINUS THROUGH THE OPEN MOUTH (Patient's mouth is placed on table).

Lateral of Affected Side
1. 8 x 10 film
2. Patient sitting or standing
3. Have patient put affected side against Bucky.
4. Bucky
5. 40" SID
6. Head in true lateral with interpupillary line and O.M.L. perpendicular to front edge of film.
7. Centering Point: outer canthus of eye