Talo-Calcaneal Coalition
- Is one of the most common forms of tarsal coalition.
- Coalition is defined as the union of two or
more bones that are not normally fused. As the name implies, talo-calcaneal coalition is the
fusion of the talus and calcaneus.
- Overall, the condition is very rare and non-traumatic.
- Patient often presents with deep foot pain that is aggravated by activity but becomes better
with rest. Patient may also have reduced motion at the subtalar joint.
- Radiological exam reveals closure (either complete or partial) of the subtalar joint.
- CT or MRI may be required to determine degree of coalition and to guide treatment.
Look at the radiographs below. The talo-calcaneal coalition is best seen on the oblique view.
Can you see it? Look for disruptions of the subtalar joint.
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