PXS-710D Section 3
58
HARRIS
Axial projection of the heel is useful for demonstrating talo-calcaneal bars. Patient
stands with both feet on the film. The patient leans forward slightly. The tube is
positioned behind the patient and the central ray is angled 45 degrees towards the
heels and is centered between the medial malleolus.
LEWIS METHOD
The routine view of the Sesamoid bones of the first metatarsal.
ISHERWOOD METHODS (SUBTALAR REGION)
1) Projection to demonstrate the anterior subtalar articulation. Medial border of the
foot at a 45-degree angle to the cassette. Center 2.5cm distal and 2.5cm anterior to
the lateral malleolus.
2) Projection to demonstrate the middle articulation of the subtalar joint and give an
end-on view of the sinus tarsi. Foot in the AP ankle position, rotate the ankle 30
degrees medially. Center to a point 2.5cm distal and 2.5cm anterior to the lateral
malleolus with a 10 degree cephalad angulation.
3) Projection to demonstrate the posterior articulation of the subtalar joint in profile.
Foot in the AP ankle position. Rotate the ankle 30 degrees laterally. Center to a
point 2.5cm distal to the medial malleolus with a 10-degree cephalad angulation.
BRODEN I
Subtalar joint view. Foot positioned as for AP ankle, then rotate the foot 45 degrees
medially. Angled the tube cranially between 10 degrees and 40 degrees.
BRODEN II
Subtalar joint view. Foot positioned as for AP ankle, then rotate the foot 45 degrees
externally. Angle the tube cranially 15 degrees.
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