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Journal of Korean Neurosurgical Society 2005;38(4): 316-319.
Cervico-Thoracic Intradural Extramedullary Lipoma.
Young Hoon Jun, Se Hoon Kim, Sang Dae Kim, Dong Jun Lim
Department of Neurosurgery, College of Medicine, Korea University, Seoul, Korea. sehoonkim@lycos.co.kr
A 42-year-old female was admitted with an 11-month history of progressive spastic paraparesis and ataxic gait. Magnetic resonance imaging showed intraspinal space occupying lesion compressing the spinal cord posteriorly, located from C5 to T2 with iso to high signal intensity at T2-weighted images and high signal intensity at T1-weighted images. The patient underwent surgery for decompression of the affected spinal cord because of the progressive neurological deficit. At surgery, the lesion was intradural extramedullary lipoma composed with mature adipose tissue. Partial tumor removal to decompress the neural structures and laminoplasty to avoid postoperative instability and deformity were performed. Postoperatively, she demonstrated improvement in paraparesis and was able to walk without assistance. Though attempts to decrease the size of or even to totally remove a lipoma are not required to achieve satisfactory results and carry considerable risks of surgical morbidity, a careful and limited decompression of the affected spinal cord through a partial removal of the tumor and laminoplasty could result in a significant neurological improvement.
Key Words: Spinal lipoma; Intradural extramedullary lipoma; Cervico-thoracic tumor; Decompression
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