Intradural spinal hydatid cysts

Abstract

Spinal hydatid cysts are very rare and comprise only 1% of all bony involvement. Intradural hydatid cysts are extremely rare compared to other types of spinal hydatid cysts. We report the case of a 19-year-old man with lumbar intradural hydatid cysts. He complained of paraparesis and urinary hesitancy. Myelography revealed a block of the contrast medium at the L4 level and multiple round radiolucent lesions rostrally. At surgery, multiple hydatid intradural cysts were extirpated. The patient’s neurologic deficits improved postoperatively, but recurred 6 weeks later. Reoperation led to partial improvement of deficits. Primary intradural hydatid cysts are extremely rare. It is difficult to explain an isolated intradural location of multiple cysts. In our patient, the cysts were multiple and the patient’s cerebral CT scan was normal; he had undergone no previous lumbar puncture. So we can hypothesize that intradural spinal cysts may be primarily multiple.

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