Tangential Projection
- Patient in prone position;
- Rest the first toe in the IP of dorsiflexion.
Central ray
perpendicular and tangential to the first metatarsophalangeal joint.
Evaluation
Criteria:
- Sesamoids free of any portion of the first metatarsal;
- Good visualization of the metatarsal heads;
- Appropriate exposure values (visualization of the all bony trabeculation and soft tissue).
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