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Journal of Korean Neurosurgical Society > Volume 13(2); 1984 > Article
Journal of Korean Neurosurgical Society 1984;13(2): 349-354.
A Case of Intradural Spinal Ossifying Schwannoma.
Seong Hyung Kim, Sun Gwan Choi, In Soo Lee, Dong Hwa Lee
1Department of Neurosurgery, College of Medicine, Soonchunhyang University, Seoul, Korea.
2Department of Pathology, College of Medicine, Soonchunhyang University, Seoul, Korea.
The spinal schwannomas are the most common spinal cord tumors and they make some regressive changes such as necrosis, mucous or cystic degeneration, caseation or calcification occasionally. We experienced a case of intradural ossifying schwannoma in 17 years old male, which occurred in the 2nd 3rd thoracic region. On operative finding, it was a very hard, pinkish gray and bean sized mass, and it firmly adhered to the spinal cord. We found dark bluish necrotic changes at the adhered sites of the spinal cord. On microscopical finding it revealed multiple foci of myxoid degeneration and osseous metaplasia with fibromatosis structure in schwannoma.
Key Words: Schwannoma; Regressive change; Myxoid degeneration; Osseous metaplasia; Fibromatosis
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