Inclusion Criteria:  Mild or moderate idiopathic carpal tunnel syndrome (clinically diagnosed and electrophysiologically confirmed CTS)  Exclusion Criteria:  Diabetes mellitus,hypothyroidism, rheumatic diseases, acromegaly Polyneuropathy, Ipsilateral brachial plexopathy and traumatic nerve injury of the upper extremity Previous injection into the carpal tunnel and physical therapy within in the preceding 6 months Pregnancy History of malignancy Patients with cochlear implants