Fabella Compressing Common Peroneal Nerve

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Clinical information

A 72 year old female presented to physical therapy with increasing right tingling and numbness into lateral calf and dorsum of foot. The symptoms started to become provoked as the patient begin exercising her lower extremities.

Brief description

Diagnostic musculoskeletal ultrasound indicated a fabella in the lateral gastrocnemius with close proximity to the common peroneal nerve with enlargement of the common peroneal nerve in this area. Symptoms were reproduced with sonopalpation in this area.

Ultrasound Images & Clips

SAX of Fabella and CP Nerve

LAX of Fabella and CP Nerve

SAX Video of Fabella and CP Nerve

Conclusion

Diagnostic musculoskeletal ultrasound is a valuable tool to assess for fabella and their interaction with neural structures in their proximity.

Details

Sex: Female
Age: 72
Body part: Right Ankle

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Author

Dr. Charles Stevens

Doctor of Physical Therapy, Mobile Therapy Services

Doctor of Physical Therapy, Registered in Musculoskeletal Sonography, Certified Orthopedic Manual Therapist, Certified Lymphedema Therapist, Certified in Vestibular Assessment and Management, and Founder of Mobile Therapy Services

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