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Ankle x-ray - labelling questions

Case contributed by Chris Rothe
Diagnosis not applicable

Normal XR ankle AP

Annotated image

Ankle AP

1. Tibia (shaft)

2. Fibula (shaft)

3. Inferior articular surface of tibia

4. Medial malleolus

5. Lateral malleolus

6. Superior facet of trochlea of talus

7. Lateral malleolar facet of talus

8. Medial malleolar facet of talus

9. Trochlea of talus

10. Lateral process of talus

11. Sustentaculum tali

12. Inferior tibiofibular joint

13. Fibular notch

14. Calcaneus

Normal XR ankle mortise

Annotated image

Ankle mortise view

1. Tibia (shaft)

2. Fibula (shaft)

3. Inferior articular surface of tibia

4. Medial malleolus

5. Lateral malleolus

6. Superior facet of trochlea of talus

7. Lateral malleolar facet of talus

8. Medial malleolar facet of talus

9. Trochlea of talus

10. Lateral process of talus

11. Calcaneus

12. Talocalcaneal joint (subtalar joint)

13. Inferior tibiofibular joint

14. Fibular notch

15. Tuberosity of fifth metatarsal

16. Navicular

17. Base of first metatarsal 

Normal XR ankle lateral

Annotated image

Ankle lateral

1. Tibia (shaft)

2. Fibula (shaft)

3. Lateral malleolus

4. Medial malleolus

5. Posterior malleolus

6. Inferior articular surface of tibia

7. Superior facet of trochlea of talus

8. Trochlea of talus

9. Neck of talus

10. Head of talus

11. Body of talus

12. Lateral tubercle of posterior process of talus

13. Talocalcaneal joint (subtalar joint)

14. Sustentaculum tali (talar shelf)

15. Tarsal sinus

16. Talonavicular joint (medial component of midtarsal/transverse tarsal joint or Choparts joint)

17. Calcaneocuboid joint (medial component of midtarsal/transverse tarsal joint or Choparts joint)

18. Navicular

19. Cuboid

20. First tarsometatarsal joint

21. Second tarsometatarsal joint

22. Tuberosity of fifth metatarsal

23. Calcaneus

24. Anterior calcaneal tubercle

25. Calcaneal tuberosity

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