Incorrect or inadequate imaging tests: TCs are often associated with lumbosacral pain, but lumbosacral X-rays rarely demonstrate positive findings. Furthermore, TCs may only be found in the presence of sacral erosion or paravertebral round shadows [
1]. Lumbar spine MRI is valuable in diagnosing TCs, as TCs show long T1 and T2 signals, which are the same as cerebrospinal fluid, and can thus be distinguished from nerve sheath tumors [
3,
13]. MRI not only demonstrates the location, size and shape of the cyst, but also directly measures whether it contains nerves and whether it is connected to the subarachnoid space, providing sufficient preoperative information for surgery [
3,
14,
15]. Despite MRI being an effective method to diagnose TCs, as most TCs are asymptomatic, it can be difficult for doctors to determine if the symptoms are caused by a TC.