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Objective: This study was undertaken to assess the clinical and radiological characteristics of children with traumatic extradural hematoma (TEDH), and factors affecting the initial neurological status and outcome. Methods: Medical records of 269 consecutive children with TEDH from 2005 to 2012 were retrospectively reviewed, factors affecting the initial neurological status and outcomes were explored using univariate and multivariate analysis. Results: There were 166 boys and 103 girls (average age: 7.0 years). Fall from a height (59 %) was the most common mechanism of head injury. With increasing age, an increase of motor-vehicle accident and assault was noted. Among the children 85.5 % experienced a Glasgow Coma Scale (GCS) of 13-15, 9.7 % with GCS 9-12, and 4.8 % with GCS 3-8. The main clinical manifestations were headache, vomiting and nausea, and conscious disturbance. The main locations were the temporal, temporoparietal, and frontal regions. The 97.4 % saw a favorable outcome, whereas 2.6 % had a poor outcome (overall mortality: 1.1 %). Conclusion: Many factors influenced the prognosis; the most important factors affecting prognosis were the initial neurological condition and secondary brain edema, while the initial neurological status were associated with pupillary abnormality, clinical progression, the number and volume of TEDH, and midline shift. Although the outcome was excellent in most cases, early diagnosis and surgical evacuation before irreversible brain damage was important to lower mortality for those massive TEDHs. [ABSTRACT FROM AUTHOR]

Background: Pure epidural cavernous hemangiomas without bony involvement are rare, representing 4% of all spinal epidural tumors. Most of these are case reports and are easily misdiagnosed. Methods: Herein nine patients (male:female, 5:4, average age: 51 years) with symptomatic pure epidural spinal cavernous hemangioma between 2005 and 2011 were treated, and the clinical, radiological, and pathological records, treatment, and prognosis were discussed. Results: All patients experienced a slowing progressive clinical course, except for one with intralesional hemorrhage. Clinical manifestations included back or radiating pain, sensorimotor deficits, and sphincters disturbance. Eight lesions were isointense on T1- and hyperintense on T2-weighted images with homogenously strongly enhancement and one was mixed signal with heterogeneous enhancement because of intratumoral hemorrhage. Hemilaminotomoy or laminotomy was performed and total resection was achieved. All patients experienced a gradual neurological improvement with no recurrence. Conclusions: Spinal epidural cavernous hemangioma is a benign vascular malformation that should be excluded in the diagnosis of epidural lesion. Total surgical resection is recommended and usually results in a good prognosis. [ABSTRACT FROM AUTHOR]