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2.To discover hematoma promptly is important to manage it and avoid adverse effects.
4.Hematoma with maximal diameter greater than 3 cm was often associated with aphasia.
7.Conclusion The common complication following the operation of CSDH consist of intracranial aerocele , recurrent hematoma , cerebrospinal fluid leakage , epilepsy and secondary intracranial hemato-ma .
8.Of the 5 patients with pons hematoma, hematoma was totally removed.

