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Enlarged Perivascular Spaces in Hunter Syndrome
Joseph Junewick, MD FACR
over 7 years ago
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ARSt Case Repository

Acute Epidural Hematoma

Case Detail

Anatomy: Brain-Spine
Junewick
Joseph Junewick, MD FACR
Diagnostic Category: Trauma
Created: over 6 years ago
Updated: over 6 years ago
Tags: PEDS
Modality/Study Types: CT
Activities:
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History

13 year old male involved in a dirt bike accident.


Case Images


Diagnosis

Acute Epidural Hematoma

Findings

CT – Axial images demonstrate a biconvex mix-attenuation collection of extra-axial hemorrhage. The left lateral ventricle is effaced and the midline is bowed to the right. Note the nondepressed temporoparietal fracture.

Discussion

Extra-axial hemorrhage may occur in the epidural, subdural or subarachnoid spaces. The epidural space is a potential space defined by the periosteum. An epidural hematoma almost always occurs as a result of a skull fracture and subsequent laceration of a meningeal artery or dural sinus. Typically, epidural hematomas do not cross sutures or involve the posterior fossa. Compared to patients with subdural hematomas, those with epidural hematomas do relatively well because epidural hematomas are less commonly associated with significant brain injury; still about 10% of patients with epidural hematomas will die as a result of the injury.

Reference

Harris JH, Harris WH. The radiology of emergency medicine, 4th Ed. Lippincott, Williams and Wilkins (2000).

Contributor

Ellen J. Junewick



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