J Korean Foot Ankle Soc.  2012 Sep;16(3):141-147.

Tarsal Coalitions

  • 1Department of Orthopedic Surgery, Kangnam Sacred Heart Hospital, Hallym University School of Medicine, Seoul, Korea. aofas@chollian.net


A tarsal coalition is an abnormal union between 2 or more tarsal bones of the hind- and midfoot, which can be congenital or acquired. The documented overall incidence of tarsal coalition is 1% or less. The resulting abnormal articulation leads to accelerated degeneration within adjacent joint. Pain is often diffuse, exacerbated by strenuous activity or following an ankle sprain. The findings on physical examination is protruded mass, diminished range of motion of the involved joint. It is possible to identify of tarsal coalitions with conventional radiography, but CT scanning necessary to evaluate of the size, location, characteristic and preoperative planning of tarsal coalitions. The initial treatment for a tarsal coalition is conservative, but tarsal coalitions unresponsive to conservative treatment, are managed by coalition resection, or arthrodesis in case of presence of degenerative changes.


Tarsal coalition; Resection; Arthrodesis
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