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tone, or numbness and paresthesia in the lower sacral  dermatomes.\cite{11956924} Also fluid shifts between the sac and the spinal subarachnoid space can cause intermittent low or high-pressure headache, nausea and vomiting related to changes in body position.\cite{6828997} As a result of this nonspecific symptoms, the diagnosis can be difficult and occasionally it can be confused with other entities.    - confusion con quistes ovaricos  - approaches