Summary
An encapsulated fluid epidural haematoma in a 9-year-old boy was successfully evacuated by a simple burr hole procedure 5 months after a minor head injury. Clinicopathological findings suggested that chronic expansion of an initially unsuspected epidural haematoma occurred as a result of repeated haemorrhages from the haematoma membrane, resulting in an unusually long delayed appearance of clinical evidence. This case demonstrates that a chronic expanding process similar to that seen in chronic subdural haematoma needs to be considered as a possible complication of epidural haematoma and indicates an important role for the haematoma membrane in the chronic expansion of epidural haematoma.
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Watanabe, T., Nakahara, K., Miki, Y. et al. Chronic expanding epidural haematoma. Acta neurochir 132, 150–153 (1995). https://doi.org/10.1007/BF01404865
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DOI: https://doi.org/10.1007/BF01404865