Percutaneous Endoscopic Surgery for Lumbar Discal Cyst: Two Case Reports

Shiqi Suo, Yanan Chen, Xirui Mao, Song Chen, Zhian Fu


Discal cyst is a rare disease, the pathogenesis is not yet clear and its symptoms are very similar to lumbar disc herniation. Although some cases may regress spontaneously, most cases of lumbar discal cysts are treated surgically. At present, there is no consensus on the treatment of this disease. The authors report the clinical usefulness of the percutaneous endoscopic transforaminal surgery technique in two patients with the lumbar 4-5 discal cyst. The clinical symptoms of both patients were unilateral lower extremity pain and lower back pain. Magnetic resonance imaging of the lumbar spine revealed lumbar discal cysts, causing compression to the spinal dura and roots. Both patients received conservative treatment for more than 6 months, but the clinical symptoms persisted so surgical treatment by percutaneous endoscopic transforaminal surgery without additional discectomy was performed under local anesthesia. The symptoms were relieved immediately after removal of the discal cysts. Postoperative magnetic resonance imaging showed that both patients had complete excision of discal cysts and complete decompression of the treated segmental. There were no recurrent lesions and complications during the follow-up period. We believe that percutaneous transforaminal endoscopic surgery could be a safe, mini-invasive and appropriate method for the treatment of discal cysts.

J Med Cases. 2020;11(6):178-181


Lumbar; Discal cyst; Endoscopy; Minimally invasive

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