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Standard Radiographs Ankle

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Other Names

  • Standard Ankle Radiographs

Introduction

Standard Views

  • Normal AP view

  • Normal lateral view

  • Normal mortise view

Alternative Views

  • Posterior Impingement (PIM) view. An alternative lateral, 25-degree external rotation, oblique view of the ankle for patients with hindfoot pain.[1]

Pediatrics

Normal 2 Year Old

  • Anterior-Posterior

  • Lateral

  • Oblique

Normal 12 Year Old

  • Anterior-Posterior

  • Oblique

  • Lateral

Pathology

Distal Fibular Fracture

  • Weber A fracture[2]

  • Weber B fracture with widened joint space

  • Weber B fracture with widened joint space

  • Weber C fracture with widening of joint space on stress view (note hand at bottom of XR)

Distal Tibia Fracture

  • Medial malleolus fracture

  • Medial malleolus fracture

  • Salter Harris 2 and pilon fracture of distal tibia

  • Tibial plafond fracture[3]

Ankle Fracture

  • Weber C fracture with widening of joint space on stress view (note hand at bottom of XR)

  • Bimal equivalent on mortise view. Note the small avulsion fracture on the tip of the medial malleolus suggesting medial instability.

  • Lateral XR showing trimalleolar fracture with posterior dislocation of the talus relative to the tibia.

  • Ankle XR mortis view showing trimalleolar fracture with unstable joint.

Talus Fracture

  • XR demonstrating significantly displaced talar neck fracture[4]

Calcaneus Fracture

  • Nondisplaced fracture of calcaneus

  • How to calculate Bohler's Angle

Subtalar Dislocation

  • Subtalar dislocation (lateral view)

  • Subtalar dislocation (PA view)

  • Subtalar dislocation (oblique)

  • Complete talar dislocation[5]

Syndesmotic Injury

  • Measuring the tibiofibular clear space[6]

  • Ankle XR with syndesmotic widening, widening of medial clear space[7]

  • Ankle XR showing widening of distal syndesmosis[8]

  • Ankle XR status post tightrope surgery[9]

Evidence

See Also

References

  1. ↑ Wiegerinck JI, Vroemen JC, van Dongen TH, Sierevelt IN, Maas M, van Dijk CN. The posterior impingement view: an alternative conventional projection to detect bony posterior ankle impingement. Arthroscopy. 2014 Oct;30(10):1311-6.
  2. ↑ https://radiopaedia.org/cases/7965
  3. ↑ https://radiopaedia.org/cases/26987
  4. ↑ https://surgeryreference.aofoundation.org/orthopedic-trauma/adult-trauma/talus/neck-multifragmentary/definition
  5. ↑ Case courtesy of Dr Matt Skalski. https://radiopaedia.org/cases/25925
  6. ↑ https://www.orthobullets.com
  7. ↑ Kellett, John J., et al. "Diagnostic imaging of ankle syndesmosis injuries: A general review." Journal of medical imaging and radiation oncology 62.2 (2018): 159-168.
  8. ↑ https://radiopaedia.org/cases/68182
  9. ↑ https://radiopaedia.org/cases/78719
Created by:
John Kiel on 27 July 2020 17:05:12
Authors:
Last edited:
23 September 2021 12:55:49
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