X-ray of pes cavus

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Author: Mikael Häggström [notes 1]

Planning

Weightbearing projectional radiography.

Evaluation

The most important diagnostic features are as follows:[1]

  • Medially rotated talonavicular coverage angle.[1] This abnormality is called medial peritalar subluxation.[1]

  • Increased calcaneal pitch, with cutoffs ranging from 20° to 32°.[1][notes 2]

  • Increased Meary's angle, with cutoff of an angle greater than 4° convex upward.[1] This is the angle between the long axis of the talus and first metatarsal bone.[1] This example is slightly convex downward.

Notes

  1. ↑ For a full list of contributors, see article history. Creators of images are attributed at the image description pages, seen by clicking on the images. See Radlines:Authorship for details.
  2. ↑ Detailed explanations and references are located in the Calcaneal pitch article.

References

  1. ↑ 1.0 1.1 1.2 1.3 1.4 1.5 . Pes Cavus. University of Washington, Department of Radiology. Last modified: 2016/08/14
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