Zygomas - Slit BasalThis is a featured page

Radiographic Positioning


Adult
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Name of projection Zygomas - Slit Basal
Area Covered Zygomatic arches (bilateral)
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 IR
CR midway between zygomatic arches, 4cm inferior to mandibular sumphysis
Collimation Four sides of collimation
Collimate to outer margins of zygoma
Markers Superior and lateral
Marker orientation AP
Shielding Gonadal (check your department's policy guidelines)
Respiration Suspended
Positioning
  • 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
  • CR perpendicular to IR
  • CR midway between zygomatic arches, 4cm inferior to mandibular sumphysis
Critique

Positioning
Area Covered
Collimation
Exposure
Special Notes



AndyC
AndyC
Latest page update: made by AndyC , Jun 16 2011, 4:00 PM EDT (about this update About This Update AndyC Edited by AndyC

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