Patient female 42 years old, 1 year ago, conscious toe weakness, untreated, 3 months ago, the symptoms worsened, and the gradual weakness of the lower limbs, the patient and her family belong to the local hospital in June last year for further examination, CT shows: lumbar 4-5 segment lumbar disc herniation, in the local hospital to receive coral gelatin pills, plasters, and other blood circulation treatment. After several months of treatment, gradually feel the symptoms worsened, and then in the local hospital, the hospital doctor asked the patient to go home for conservative treatment, to avoid heavy labor, conservative treatment of the symptoms and no relief, and the weakness of both lower limbs further aggravate the symptoms in July this year to the higher level of the hospital for treatment, the hospital gave the conclusion that is still the lumbar intervertebral disc herniation, and recommended the line of acupuncture, acupuncture, cupping and other traditional Chinese medical treatments, but the symptom instead of getting better! However, the symptoms did not improve, but the paralysis of both lower limbs appeared, which was progressive. In the same month, she came to the Department of Neurosurgery of Shengjing Hospital of China Medical University to seek further treatment, and at the time of her visit, both lower limbs were close to total paralysis and she had decreased sensation from the level of the nipple downward. We thought that this was the manifestation of a space-occupying lesion in the thoracic spinal canal, and therefore, we carried out thoracic spine MRI, and found that there was a space-occupying lesion in the thoracic vertebral segments of the thoracic vertebrae in the 4-5 segments. The possibility of neurosynovial tumor was high. Therefore, microsurgery was performed to remove the intravertebral tumor. In the first 2 days after the operation, the patient’s hyperalgesia was rapidly relieved, and both lower limbs could be moved, and the muscle strength was restored to grade 3. On the 4th day after the operation, the patient could walk on the ground with assistance, and he could walk on his own in the 7th day after the operation. The patient and his family were quite satisfied with the outcome of the surgery. A, B: Intravertebral space-occupying lesions in the thoracic 4-5 segments (indicated by arrows) were seen before surgery. The tumor compressed the spinal cord, resulting in paralysis of both lower limbs and hyperalgesia. C, D: After surgery, the tumor was completely removed and the patient resumed walking on her own, with significant recovery of hypesthesia.