Delayed-onset paralysis induced by spontaneous spinal epidural hematoma communicated with hematoma in the paraspinal muscle in a 6-month-old girl: a case report
Spontaneous spinal epidural hematoma (SSEH) very rarely develops in infants younger than 1 year old. To our knowledge, no previous case of delayed-onset paralysis induced by SSEH communicated with hematoma in the paraspinal muscle has been reported in the literature. The authors present the case of a 6-month-old girl with a tumor mass on her back who developed a paresis of her bilateral lower limbs. On spinal magnetic resonance imaging, the epidural mass appeared to be a dumbbell type and communicated with the mass in the paraspinal muscle through T12/L1 intervertebral foramen at the right side. After excision of the mass in the paraspinal muscle, hemi-laminectomy of T10-L3 was performed. No solid lesion was also present in the spinal canal and it was found to be an epidural hematoma. No malignancy was observed on pathological examination, and vascular and nerve system tumors were negative. When a tumor mass suddenly develops on the back of an infant and motor impairment of the lower limbs develops as the mass gradually enlarges, differential diagnosis should be performed taking SSEH into consideration.
KeywordsInfant Spontaneous spinal epidural hematoma Spinal cord compression Dumbbell type
spontaneous spinal epidural hematoma
magnetic resonance imaging
Compliance with ethical standards
Conflict of interest
The authors declare that they have no conflict of interests.
Ethics approval and consent to participate
This study was approved by the Nihon University Institutional Review Board. Written informed consent was obtained from the patient’s parent.
Consent for publication
Written informed consent was obtained from the patient’s parent for the publication of this manuscript.
Availability of data and materials
All data used and analyzed during this study are available from the corresponding author on reasonable request.
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