Axial Plane: Prescribe plane perpendicular to midshaft of the proximal phalanx of the thumb. Scan from 1st carp-metacarpal joint through tip of thumb.
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Coronal Plane: Prescribe plane passing through both sesamoids. Scan through the entire thumb.
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Sagittal Plane: Prescribe plane perpendicular to the coronal imaging plane. Scan through entire thumb.
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