Skull AP axial view / Skull Townes view

Clinical indication:

Skull fracture, pathology of the skull

Region:

Skull and foramen magnum

Patient’s Position:

Patient is in erect position or in supine in trauma cases

Place the patient so that their posterior skull touch the bucky

Patient’s chin is down until the OML is parallel to the floor and perpendicular to the IR

Mid sagittal plane is perpendicular to the IR

Cassette:

Size: 10’’x12’’ Orientation: Portrait

FFD/SID:

100cm

Central ray:

Central ray is angled 30° caudal and is directed about 6cm superior to the glabella

Grid:

Yes

Respiration:

Not related

Exposure factors:

80kVp 20mAs

Collimation:

Collimate laterally to all the skin margins, superiorly to include the skull

Skull PA Caldwell (25°-30°) view

Related X-ray views