Abstract
Background
Intracranial interdural cyst is a rare lesion. The exact pathophysiology of these cysts remains unknown.
Clinical presentation
We report an infant with interdural cyst of the tentorium cerebelli. Although the cyst mimicked an arachnoid cyst on pre- and postnatal magnetic resonance images, lateral suboccipital craniotomy revealed the cyst within the tentorium. Fenestration on the infratentorial side was performed with successful results. Histologically, the inner surface of the cyst was lined with arachnoid cells.
Conclusion
We report detailed neuroradiological, intraoperative, and histological findings, and discuss the pathophysiology of the cyst in this case.
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Acknowledgments
We thank Drs. Nobuko Kawamura and Naoyuki Nakanami for supporting our study. We also thank Rebecca Tollefson, DVM, from Edanz Group (www.edanzediting.com/ac) for editing a draft of this manuscript.
Funding
This work was partly supported by the Research Foundation of Fukuoka Children’s Hospital.
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Murakami, N., Morioka, T., Suzuki, S.O. et al. Congenital interdural arachnoid cyst of the tentorium cerebelli. Childs Nerv Syst 36, 1071–1074 (2020). https://doi.org/10.1007/s00381-019-04404-9
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DOI: https://doi.org/10.1007/s00381-019-04404-9