Clinical indication:
Pathology of coccyx
Region:
Entire coccyx
Patient’s Position:
Patient is placed in lateral recumbent position on the xray table.
Knees are flexed.
Make sure the pelvis and torso are in true lateral position
Align the long axis of the coccyx to the midline of the table and cassette
Place the cassette 8-10cm posterior to the ASIS (anterior superior iliac spine)
Cassette:
Size: 8’’x10’’ Orientation: Portrait
FFD/SID:
100cm
Central ray:
Central ray perpendicular to IR
Grid:
Yes
Respiration:
Not related
Exposure factors:
60-70kVp 30-40mAs
Collimation:
Collimate closely to include region of interest