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Updated: May 16, 2026

Intraoperative Ultrasound in Spinal Surgery
Published on: August 17, 2022
Primary extradural hydatid cyst extended to paraspinal muscles
Omar Boulahroud1, Ibrahim Dao, Cherif Abad El Asri
1Department of Neurosurgery, Mohammed V Military Teaching Hospital, Hay Riad, Rabat, Morocco.
Abstract:
Primary spinal epidural hydatid cyst without bony involvement is extremely rare. Authors report the case of a 44-year-old female brought to their attention for a rapidly progressive paraplegia. Magnetic resonance imaging (MRI) revealed extradural multiple cysts with "bunch of grapes" appearance extended to the paraspinal muscles through neural foramina without bony involvement on computed tomography (CT) scan. Histopathologic examination after a surgical approach confirmed the diagnosis of hydatid cyst. The early postoperative period showed a progressive improvement of her neurological deficit. The long-term follow-up under discontinued antihelminthic chemotherapy was uneventful.
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