抄録
The authors treated a case of spinal extradural cyst on sacral region. A 48-year-old man presented with pain in the area of lumbosacral region, urinary disturbance and hypesthesia is the periphery of the anal and the posterior aspect of both thighs. Motor disturbance was absent.
Magnetic Resonance Imaging (MRI) and myelogram showed a cystic lesion in the sacral area which was widening the spinal canal and compressing the thecal sac. The patient was prone on the image table for the second myelographic examination. The contrast medium was injected very slowly, and revealed that the cyst was communicated with the sabarachnoid space. The patient underwent laminoplasty of the sacrum, and the cyst was extirpated after ligation of the connection and repair of the fissure of the dura to prevent the recurrence of the cyst.
The paient had an uneventful postoperative course, and neurological improvement was obtained after surgery.
