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Subdural hematoma from a Type I spinal arteriovenous malformation. Case report
P P Han1, N Theodore, R W Porter
1Division of Neurological Surgery, Barrow Neurological Institute, Mercy Healthcare Arizona, Phoenix 85013-4496, USA.
Journal of Neurosurgery
|April 13, 1999
Summary
A rare spinal subdural hematoma developed from a Type I spinal arteriovenous malformation (AVM). Exploratory surgery confirmed the AVM and led to complete recovery, highlighting its diagnostic and therapeutic importance.
Area of Science:
- Neurosurgery
- Vascular Neurology
- Spinal Cord Imaging
Background:
- Spinal subdural hematomas are uncommon neurological emergencies.
- Type I spinal arteriovenous malformations (AVMs) are a rare cause of spinal hemorrhage.
- Diagnostic challenges exist in identifying the underlying cause of spinal subdural hematomas.
Observation:
- A patient presented with back pain, and MRI revealed a spinal subdural hematoma.
- Initial selective spinal angiography did not identify a pathological vascular process.
- Exploratory laminoplasty was crucial for diagnosis and treatment.
Findings:
- The surgery uncovered a subdural extraarachnoid hematoma.
- An underlying Type I spinal arteriovenous malformation (AVM) was identified.
- Surgical obliteration of the spinal AVM was successfully performed.
Implications:
- Exploratory surgery is vital for diagnosing and treating spinal subdural hematomas, even with negative initial imaging.
- Early surgical intervention can lead to complete patient recovery.
- This case underscores the importance of considering spinal AVMs in the differential diagnosis of spinal subdural hematomas.