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J Neurooncol. 2011 Aug;104(1):387-94. doi: 10.1007/s11060-010-0493-1. Epub 2010 Dec 29.

Spinal cord anaplastic oligodendroglioma with 1p deletion: report of a relapsing case treated with temozolomide.

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  • 1Department of Pathology, Chinese PLA General Hospital, Beijing, China. wfl301@gmail.com

Abstract

Primary spinal cord oligodendroglial tumor is very rare, and in only one patient with spinal cord oligodendroglioma has a deletion of chromosome 1p/19q been reported. We present the case of an 18-year-old girl, who had one-year lower back pain and one-month lower limb weakness. Magnetic resonance images of the spinal cord showed an intramedullary mass from level T8 to T10, which was then radically removed. Histology revealed an anaplastic oligodendroglioma. The patient was treated with radiotherapy postoperatively. Eight months after the treatment, follow-up magnetic resonance images disclosed an enhancing intramedullary mass at level T4-T8; recurrence of the tumor was therefore diagnosed. Maximum surgical removal of the recurrent tumor was performed, diagnosis of anaplastic oligodendroglioma was made, and a chromosome 1p deletion was determined by FISH. After treatment with temozolomide for six months, the patient had a remarkable improvement of her lower limb symptoms, and complete imaging regression of the residual tumor showed no evidence of recurrence at any other sites. The most recent MRI of brain and spinal cord showed postoperative changes without evidence of tumor recurrence of the spine and oligodendrogliomatosis along the cerebral-spinal axis. To our knowledge, this is the first report of a recurrent anaplastic oligodendroglioma with 1p deletion occurring in the spinal cord. It is also the first case of the patient with recurrent intramedullary anaplastic oligodendroglioma who had a significant clinical improvement and complete imaging remission after subtotal resection then treatment with temozolomide chemotherapy.

PMID:
21190059
[PubMed - indexed for MEDLINE]
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