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Journal of Korean Neurosurgical Society 2009;45(2): 96-98.
doi: https://doi.org/10.3340/jkns.2009.45.2.96
Rapid Spontaneous Redistribution of Acute Epidural Hematoma : Case Report and Literature Review.
Ki Seong Eom, Jong Tae Park, Tae Young Kim, Jong Moon Kim
Department of Neurosurgery, Wonkwang University College of Medicine, Iksan, Korea. jmkim@wonkwang.ac.kr
Acute epidural hematoma (AEDH) occurring as a result of traumatic head injury constitutes one of the most critical emergencies in neurosurgery. However, there are only several reports that show the rapid disappearance of AEDH without surgical intervention. We suggest redistribution of hematoma through the overlying skull fractures as the mechanism of rapid disappearance of AEDH. A 13-year-old female fell from a height of about 2 m and presented with mild headache. A computed tomography (CT) scan performed 4 hours after the injury revealed an AEDH with an overlying fracture in the right temporal region and acute small hemorrhagic contusion in the left frontal region. A repeat CT scan 16 hours after injury revealed that the AEDH had almost completely disappeared and showed an increase in the epicranial hematoma. The patient was discharged 10 days after injury with no neurological deficits. This case is characterized by the rapid disappearance of an AEDH associated with an overlying skull fracture. We believe that the rapid disappearance of the AEDH is due to the redistribution of the hematoma, rather than its resolution or absorption, and fracture plays a key role in this process.
Key Words: Acute epidural hematoma; Rapid disappearance; Redistribution
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