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Journal of Korean Neurosurgical Society 1997;26(4): 596-599.
Sequestered Disc Mimicking Benign Neurogenic Tumor: Report of 2 Cases.
Seok Joon Kim, Jun Hyeok Song, Myung Hyun Kim, Hyang Kwon Park, Sung Hak Kim, Kyu Man Shin, Dong Been Park
Department of Neurosurgery, College of Medicine, Ewha Womans University, Seoul, Korea.
We describe two rare cases of sequestered disc herniation which mimicked benign nerve sheath tumors radiologically. It is often quite difficult to differentiate a sequesterded disc from an extradural tumor when the discal fragments are migrated away from the origin. Distinguishable features of clinical and radiological characteristics between sequestered discs and benign intraspinal tumors were disscused. Although a well enhancing spherical mass in the spinal canal is routinely diagnosed as tumors, a free sequestered disc fragment also should be taken into consideration if the mass shows peripheral enhancement accompanied with degenerative spinal changes on MRI.
Key Words: Sequestered disc; Nerve sheath tumor; Radiological characteristics
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