Mechanism for the Rapid Spontaneous Resolution of an Acute Subdural Hematoma and Transformation into a Subdural Hygroma.

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Mechanism for the Rapid Spontaneous Resolution of an Acute Subdural Hematoma and Transformation into a Subdural Hygroma.

World Neurosurg. 2018 Apr 13;:

Authors: Gelsomino M, Awad AJ, Gerndt C, Nguyen HS, Doan N, Mueller W

Abstract
BACKGROUND: Spontaneous resolution of acute subdural hematomas occurring as the result of a traumatic injury is well reported in the literature and rapidly resolving subdural hematomas have been reported as well. While the mechanism behind the rapid resolution of a subdural hematoma has not been well-understood, there are postulated mechanisms for this phenomenon. The aim of this report is to present a patient who experienced the rapid resolution of a traumatic subdural hematoma, which was replaced by a subdural hygroma.
CASE DESCRIPTION: This 25-year-old male presented to the hospital with an acute left sided subdural hematoma following a head-on motor vehicle collision. At the time of presentation, the patient had an acute subdural hematoma with 11mm of midline shift. The hematoma resolved spontaneously within 48 hours and was replaced by a thin subdural hygroma.
CONCLUSIONS: Rapidly resolving subdural hematomas represent a phenomenon that has been well described although is not entirely understood. The imaging findings of this patient suggest that CSF washout is a mechanism that promotes acute subdural hematoma resolution.

PMID: 29660550 [PubMed - as supplied by publisher]

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