Saphenous nerve entrapment

Causes

• Compression by fibrous band at the exit of the adductor canal.
• Compression by femoral vessels.
• Iatrogenic (eg. femoral thrombectomy, femoral-popliteal bypass surgery, popliteal aneurysm resection)
• Compression by nerve sheath tumor.

Symptoms & signs

• Pain, sensory deficit and paresthesias along the medial aspect of the knee and/or leg.
• No motor symptoms or signs.