CT Characteristics of Dumbbell Schwannomma Arising From The Fifth Cervical Nerve Root

Neurilemmomas, or schwannomas, are benign neurogenic tumors that arise from the nerve sheaths of peripheral nerves. Neurilemmomas may occur nearly anywhere in the body but have a predilection for the head, the neck, and the flexor surfaces of the upper and lower extremities. Histopathology is the most definitive way to confirm the nature of these lesion, however well planned CT scan will adequate pre-operative information for surgical planning. Though MRI is the gold standard and investigation of choice well planned thin sliced CT scan can be is as good as MRI for the pre-operative evaluation of these lesions.