Accessory soleus muscle

Case contributed by Dr Ahmed Abdrabou

Presentation

Left ankle pain and swelling. No history of trauma.

Patient Data

Age: 30 years
Gender: Male
ct

An accessory soleus muscle is seen at the left side. Its origin has no bony attachment and mostly from the anterior surface of the soleus muscle. Its insertion distally through a short tendon into the upper calcaneal surface. 

Annotated image

The white arrow refers to filling of the Kager fat pad by an accessory soleus muscle

Case Discussion

Accessory soleus muscle is a normal variant. It has no clinical significant and usually accidentally discovered. 

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