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CT-guided percutaneous aspiration of Tarlov cyst: a case report of 2-year follow up.

Tarlov cysts are a rare pathology characterized by sac formations at the nerve root in the sacrum. Although many options have been proposed, there is still no consensus regarding the optimal treatment strategy. The authors report a case involving a 43-year woman with a sacral perineural cyst causing buttock pain and anus discomfort for 4 years. The patient successfully underwent computed tomography (CT)-guided aspiration. She currently has no symptoms, and 2-year follow-up magnetic resonance imaging revealed a decrease in cyst size. CT-guided aspiration is a safe and effective treatment option, and leads to improvement in cyst-related symptoms with minimal risk.