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Surg Neurol Int. 2017 Sep 26;8:231. doi: 10.4103/sni.sni_262_17. eCollection 2017.

Lumbar chronic subdural hematoma mimicking an intradural extramedullary tumor: A case report.

Author information

1
Department of Neurosurgery, Nanoori Suwon Hospital, Suwon, Korea.
2
Department of Neurosurgery, Nanoori Hospital, Seoul, Korea.
3
Department of Neurosurgery, Nanoori Incheon Hospital, Incheon, Korea.
4
Department of Nanoori Medical Research, Nanoori Hospital, Seoul, Korea.

Abstract

BACKGROUND:

Chronic spinal subdural hematomas are extremely rare with only 28 cases reported in the literature. Nevertheless, they should be considered among the differential diagnoses for spinal intradural/extramedullary lesions.

CASE REPORT:

A 65-year-old male presented with progressive back pain and right S1 radiculopathy. Magnetic resonance imaging scan revealed a right-sided posterolateral intradural/extramedullary lesion at the L5-S1 level. It was hyperintense on T1 and hypointense on T2-weighted images; on the short TI inversion recovery sequence it was hyperintense. The lesion was excised through a right L5 hemilaminectomy, and the patient was neurologically intact postoperatively. Histopathology revealed a chronic subdural hematoma.

CONCLUSION:

Chronic spinal subdural hematoma can mimic intradural extramedullary spinal tumors even in the absence of trauma and/or coagulopathies.

KEYWORDS:

Chronic; intradural extramedullary tumor; spinal subdural hematoma

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