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