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The Korean Journal of Pathology 1993;27(2): 184-186.
Spinal Pleomorphic Xanthoastrocytoma.
Tae Jin Kim, Je G Chi
Department of Pathology, Seoul National University College of Medicine, Seoul, Korea.
Pleomorphic xanthoastrocytoma is a rare tumor, presenting superficially over the cerebral hemispheres of young subjects. We report a case of Pleomorphic xanthoastrocytoma of the cervical cord in view of its unusual location. The patient is a 20-year-old female, presenting with left neck pain radiating to the left shoulder one month before the admission. Magnetic resonance imaging revealed a high signal lesion in the upper cervical cord lower brainstem in T2 weighted image. On operation, intramedullary tumor was present and it was relatively well delineated. Near-total removal of the spinal cord mass was done. Microscopically, the tumor was composed of pleomorphic astrocytes, which were spindle-shaped with cytoplasmic processes and hyperchromatic nuclei. Other cells were round with vesicular nuclei and abundant eosinophilic cytoplasm. A few giant cells were seen. Despite the marked pleomorphism, mitosis or necrosis was not encountered. Scattered foamy cells were also seen, which showed negative staining in GFAP immunostaining in contrast to other GFAP-positive tumors cells.
Key Words: Pleomorphic xanthoastrocytoma; Cervical spine