Zygoma - Arch TangentialThis is a featured page

Radiographic Positioning


Adult
Other related pages of interest

Name of projection Zygoma - Arch Tangential
Area Covered Zygomatic arch (unilateral)
Pathology shown Fractures of zygomatic arch, neoplastic and inflammatory processes
Radiographic Anatomy Facial Bones Radiographic Anatomy
IR Size & Orientation 18 x 24cm
Landscape
Film / Screen Combination Detail
(CR and DR as recommended by manufacturer)
Bucky / Grid No
Filter No
Exposure 60 kVp
12 mAs
FFD / SID 100cm
Central Ray CR perpendicular to infraorbitomeatal line
CR centred to zygomatic arch
Collimation Four sides of collimation
Collimate closely to zygomatic arch
Markers Superior and lateral
Marker orientation AP
Shielding Gonadal (check your department's policy guidelines)
Respiration Suspended
Positioning Supine
  • Patient supine on the table
  • Place cassette behind patients head supported on a 45° sponge
  • Extend neck
  • Position head so the infraorbitomeatal line (IOML) is parrallel to IR
  • Rotate and tilt the median sagittal plane 15° towards the side being examined
  • CR perpendicular to infraorbitomeatal line
  • CR centred to zygomatic arch
Erect
  • Patient is standing or sitting facing away from the upright bucky
  • Extend neck
  • Position head so the infraorbitomeatal line (IOML) is parrallel to IR
  • Rotate the median sagittal plane 15° towards the side being examined
  • Tilt the top of the head 15° away from the side being examined
  • CR perpendicular to infraorbitomeatal line
  • CR centred to zygomatic arch
Critique

 Positioning
Area Covered
Collimation
Exposure
Special Notes



AndyC
AndyC 		Latest page update: made by AndyC , Jun 16 2011, 4:48 PM EDT (about this update About This Update AndyC Edited by AndyC

8 words added

view changes
- complete history)
Keyword tags: None
More Info: links to this page

Threads for this page

There are no threads for this page.  Be the first to start a new thread.