Discal Cyst Diagnosed by Radiologic Finding

ABSTRACT

Discal cyst is a very rare lesion that can result in refractory low back pain and leg radiating pain. Because they are so uncommon, their exact origin and pathophysiology are still unknown. A 31-year-old man visited our institute due to low back pain and severe left leg radiating pain. Magnetic resonance images (MRI) revealed spherically shaped extradural cystic lesion at L2-L3 level. Computed tomography (CT) discography demonstrated obvious communication between the intervertebral disc and the cyst. The patient underwent posterior decompression and excision of cyst. The symptoms were remarkably improved immediately after surgery.