SPHP Radiology Protocols

Radiology Protocols

Temporal Bones

CT TEMPORAL BONES C-

 

(last updated 09/08/2025, last reviewed 09/08/2025)

INDICATION:  

SERIES

  • Axial bone 1 mm
  • Coronal bone 1 mm
  • Plane of Poschl reformats (R and L)
  • Mag views of each side – inner ear only (R and L)
TECHNICAL PARAMETERS 
POSITIONING/MODE: supine / helical , prone / helical 

SINGLE COLLIMATION WIDTH: 0.625 mm 

SLICE THICKNESS: 0.625 mm to 1 mm

KERNAL: bone (sharp)

SFOV: small (<20 cm)

COVERAGE: mastoid tip -> above mastoid air cells/above EAC

ACQUISITION: caudocranial

IV CONTRAST: no

POSTPROCESSING: axial 1 mm bone, coronal 1 mm bone, Poschl 1mm, mag views each side inner ear only


Notes: Gantry angle should be parallel to infraorbital-meatal line. 



plane of poschl

Plane of Poschl

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