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Persistent hydrocephalus is common in children after resection of posterior fossa tumours. However, occurrence of subdural hygroma is very rare. We report the case of a 14-month-old child who presented at a paediatric neurology clinic in Muscat, Oman in 2021 who developed a tense subdural hygroma with stable hydrocephalus, in the early postoperative period, following posterior fossa tumour resection. We describe the distinctive clinical, radiological and pathological features associated with the development of a tense subdural hygroma. We also discuss the management by cerebrospinal fluid diversion, which includes either a ventriculoperitoneal or subduroperitoneal shunt. This unique condition is distinguished from external hydrocephalus by features that are critical to the management strategy.

Keywords: Child; Posterior Fossa Tumour; Postoperative Period; Hydrocephalus; Subdural Hygroma.

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How to Cite
Pillai, M. K., Kariyattil, R., Chhabra, R., Govindaraju, V., & Kottoorazhikam, K. K. (2024). Tension Subdural Hygroma Following Resection of Posterior Fossa Tumour in a Child: A new clinico-radio-pathological entity. Sultan Qaboos University Medical Journal, 24(2), 288–292.

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