Os tibiale externum and os supranaviculare

Case contributed by Dr Raul Medina

Presentation

Ankle pain

Patient Data

Age: 73
Gender: Male
Modality: X-ray

Large superimposed naviculare accessory and a small os supranaviculare up and between talus and naviculare are clearly depicted. 

Case Discussion

The tibiale externum was mistakenly considered a fracture. As with any accessory bone, knowing their existence is priority. Exclude a fracture is easy, whenever the corticated edges of a pseudofracture radiolucent line, can be defined.

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Case Information

rID: 24984
Case created: 25th Sep 2013
Last edited: 17th Sep 2015
Tag: crop
Inclusion in quiz mode: Included

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