Os trigonum syndrome

Os trigonum syndrome

The os trigonum is a small additional bone that is located at the backside of the ankle at the talus bone. According to estimations, 3-15 % of adults have an os trigonum that may cause several symptoms.

Symptoms os trigonum syndrome

Patients suffering from os trigonum syndrome can feel pain at the backside of the ankle often accompanied by swellings. Generally, it is a permanent pain that worsens significantly when straining the ankle. Besides these symptoms, os trigonum syndrome may also cause stiffness and weakness of the ankle.

Symptoms of os trigonum syndrome in short:

  • pain at the back of the ankle
  • swelling of the ankle
  • permanent pain increasing when straining the ankle
  • stiffness and weakness of the ankle

Causes os trigonum syndrome

The existence of the os trigonum is congenital, but does not necessarily lead to the os trigonum syndrome. The syndrome may emerge if the foot is repeatedly strained, for example, due point positions during toe-dance in ballet, supporting or pushing off the feet while climbing or kicking the ball using the arch of the foot during soccer, football or rugby. The os trigonum syndrome can also become a chronic disease.

Diagnostics os trigonum syndrome

In case of an assumed os trigonum syndrome, a comprehensive orthopedic examination is carried out often accompanied by imaging procedures X-raying or MRI. The existence of the os trigonum can be proven by X-raying.

The best method to differentiate between different injuries is MRI. MRI enables us to visualize very different structures during one examination like muscles, ligaments, tendons, cartilage and bones. If it is necessary, we do also apply a well-tolerated contrast agent to improve the visibility of certain structures.

Therapy os trigonum syndrome

The os trigonum syndrome can be treated conservatively or surgically. Conservative therapy encompasses injections of painkilling or corticoid drugs, orally taken antirheumatic drugs, physiotherapy and special footgear, if necessary. Persisting symptoms may indicate surgery.

Diagnosis

The Joints and spine center offers both Pre and Post operative treatments including complex surgeries for Spine, Joint Replacement- Hip, Shoulder,Knee. There are a
specific set of services for sports related injuries. The Center is fully equiped to handle trauma cases. See All Services

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