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Leptomyelolipoma: analysis of 20 cases
M J Harrison1, R J Mitnick, B R Rosenblum
1Department of Neurosurgery, Mount Sinai Hospital, New York, New York.
Journal of Neurosurgery
|September 1, 1990
Summary
Surgical untethering of lumbosacral lipomas can significantly improve neurological deficits in patients with spinal dysraphism. Early intervention is recommended to prevent irreversible damage and enhance outcomes.
Area of Science:
- Neurosurgery
- Pediatric Neurosurgery
- Spinal Cord Medicine
Background:
- Leptomyelolipoma, a type of lumbosacral lipoma, is a common spinal dysraphism.
- Associated deficits include sensory, motor, bowel, and bladder dysfunction, with varying incidence in pediatric and adult populations.
Purpose of the Study:
- To review surgical outcomes for patients with lumbosacral lipoma.
- To evaluate the efficacy of surgical untethering and debulking of lipomatous masses.
Main Methods:
- Retrospective review of 20 patients treated surgically between 1972 and 1988.
- Surgical approach focused on conus medullaris untethering, lipoma debulking, dural reconstruction, and fascial repair.
Main Results:
- No postoperative neurological deterioration observed.
- 67% of symptomatic patients showed dramatic improvement or resolution of symptoms.
- 33% of symptomatic patients experienced stabilization of deficits.
Conclusions:
- Surgical intervention for lumbosacral lipoma can lead to significant neurological improvement.
- Early surgical repair is crucial to prevent irreversible neurological damage.
- Bladder dysfunction, motor weakness, and radiculopathies respond best to surgery; orthopedic and bowel issues are more resistant.