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Updated: Jul 20, 2025
Intraoperative Ultrasound in Spinal Surgery
Published on: August 17, 2022
A multilocular discal cyst extending from the spinal canal to the extraforaminal region: A case report
Katsuhiko Ishibashi1, Tomohide Segawa2, Takeshi Kaneko2
1Department of Orthopaedics, Iwai Orthopaedic Hospital, 8-17-2 Minamikoiwa Edogawa-ku, Tokyo 133-0056, Japan; Department of Neurosurgery, Iwai FESS Clinic, 8-18-4 Minamikoiwa Edogawa-ku, Tokyo 133-0056, Japan.
Background:
Lumbar discal cysts are intraspinal extradural cysts communicating with the intervertebral disc. The usual location and morphology are in the caudal ventrolateral epidural space of the spinal canal, without extension to the neural foramen or crossing the midline and described as a well-defined homogeneous oval or spherical cyst on low and high signal intensities observed in lumbar lesions on T1- and T2-weighted magnetic resonance imaging, respectively. We report an unusual lumbar discal cyst in terms of the lesion location and morphology.
Case Presentation:
A 33-year-old-man presented with lower back and right anterior thigh pain. Magnetic resonance imaging revealed multilocular cystic lesions in the cranial ventrolateral epidural space at L2-L3 with low and high signal intensities on T1- and T2-weighted magnetic resonance imaging, respectively. We performed a full-endoscopic transforaminal cystectomy under general anesthesia.
Conclusion:
Lumbar discal cysts should be considered a differential diagnosis for multilocular intraspinal cystic lesion.
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