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Journal of Korean Neurosurgical Society > Volume 26(9); 1997 > Article
Journal of Korean Neurosurgical Society 1997;26(9): 1312-1313.
Malignant Transformation and Extracranial Metastasis of a Meningioma.
Dong Woo Lee, Hoon Chung, Sang Pyung Lee, Ki Hwan Choi, Hyung Tae Yeo, Jung Kil Rhee
Department of Neurosurgery, School of Medicine, Catholic University of Taegu-hyosung, Taegu, Korea.
Since its earliest description in the 18th century, meningioma has been considered a relatively indolent benign tumor which can be completely removed. Some grow very quickly, however, recur more frequently and with each recurrence, may change their biology to a more malignant form. A meningioma rarely metastasizes to the extracranium; the most frequent extracranial metastatic sites include the lung, musculoskeletal system and lymph node. The authors report a rare case of meningotheliomatous meningioma which occurred in the left parasagittal area and invaded the superior sagittal sinus; after surgery, it showed multiple recurrences and regrowth, and finally metastasized to the left thoracic cage. The authors also reviw the literature.
Key Words: Meningioma; Extracranial metastasis
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