• Kazuya Otsuki, Hideki Hayashi, Kazuhiro Kasashima, and Hiroki Toda.
• Department of Neurosurgery, Medical Research Institute KITANO HOSPITAL, PIIF Tazuke-Kofukai, Osaka, Japan.
• Eur Spine J. 2024 Dec 17.

BackgroundComplete removal of the lesion from the spinal cord cavernous malformation is crucial in patients with spinal cord cavernous malformation. Herein, we report that narrow-band imaging (NBI) is useful to confirm the complete removal of spinal cord cavernous malformations.Clinical PresentationA 45-year-old woman was followed up for the past seven years due to multiple intracranial cavernous malformations. She reported abnormal pressure sensation in the right hip. Thoracic MRI revealed an intramedullary lesion at the 6th thoracic vertebra, suggesting hemorrhage from a spinal cord cavernous malformation. Subsequently, the patient experienced worsening numbness and gait disturbances. The patient underwent surgery using monitoring of motor- and sensory-evoked potentials in the lower extremities. An intramedullary lesion with hematoma was removed using an exoscope and indocyanine green imaging. However, NBI revealed a residual lesion in the removal cavity, which was additionally removed. Postoperatively, the abnormal sensation was alleviated with no loss of motor function.ConclusionNBI is helpful in detecting hidden spinal cord cavernous malformations.© 2024. The Author(s), under exclusive licence to Springer-Verlag GmbH Germany, part of Springer Nature.

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