Os trigonum and soleus tertius anomaly.

Published online: Dec 27 1993

J Bellemans, P A Reynders-Frederix, D Stoffelen, P L Broos, and G Fabry.

Department of Orthopaedic Surgery, K.U. Leuven, Pellenberg, Belgium.


A case of both an os trigonum and a soleus tertius anomaly is presented in a patient with chronic posteromedial ankle pain. A resection of the os trigonum was performed, with complete relief of symptoms. The diagnosis and therapy are discussed, and the literature is reviewed.