![]() ![]() ![]() ![]() The MRI scan is typically administered if the presence of a cyst or benign tumor is suspected. Other diagnostic tests administered for tarsal tunnel syndrome may include a nerve conduction test, an electromyogram (EMG) and an MRI scan. During this procedure, the tibial nerve is tapped and the patient with this condition experiences electrical sensations or a pins-and-needles feeling in the affected area. Diagnosis of Tarsal Tunnel SyndromeĪ simple diagnostic test for tarsal tunnel syndrome is the Tinel's sign test. Patients with tarsal tunnel syndrome may also experience tendon inflammation and swelling of the foot or lower leg. Such discomfort may be worse after prolonged standing and may improve with rest. These sensations may be experienced anywhere along the nerve, including in the toes, feet or lower legs. The primary symptoms of tarsal tunnel syndrome may include pain, tingling, numbness and other sensations, such as feelings of heat or cold or electrical shocks along the tibial nerve. Risk factors for the disorder may include:īeing an athlete or suffering an injury of the foot or ankle may also be a risk factor in developing this condition. Reasons for such narrowing of the passage may include an enlarged adjacent muscle, varicose veins, an arterial aneurysm, a ganglion cyst, a bone spur or excessive scar tissue. Causes of Tarsal Tunnel SyndromeĪnything that causes the tarsal tunnel to narrow can result in tarsal tunnel syndrome. As the tunnel narrows, the pain may worsen. This can happen for a variety of reasons when any tissue in the area becomes inflamed and enlarged, causing symptoms ranging from tingling to numbness. In tarsal tunnel syndrome, abnormal pressure is exerted on the tibial nerve, the nerve that provides sensation to the bottom of the foot, pushing the nerve painfully against the rigid wall of the tarsal tunnel. Since the walls of this tunnel consist of either bone or tough fibrous material through which these blood vessels, tendons and nerves have to pass, the inflexibility of the walls may create a problem. The tarsal tunnel, the canal that runs between the inner ankle and the band of ligaments that stretch across the foot, houses several vital arteries, nerves and tendons, which provide flexibility to the foot. Tarsal tunnel syndrome, also known as posterior tibial neuralgia, is a disorder of the foot that may result in significant pain. ![]()
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