A 21-year-old female presented with complaints of slowly progressive numbness and paresthesia of both hands for the past 4months. She reported no diurnal variations in hand symptoms, relationship of symptoms to hand position or work, weakness in upper extremities, neck pain or difficulty in walking. For the past 2months, she suffered from frequent mild occipital headaches, which were pressing in nature, mostly upon awakening and lasting for about one hour. These headaches were never associated with nausea or vomiting.