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- W3123055876 abstract "Of the 23 cases of spinal intradural-extramedullary ependymomas which have been reported to date, 11 were diagnosed as anaplastic. Here we present a very rare case of a thoracic intradural-extramedullary (not intramedullary) anaplastic ependymoma in an adult along with a literature review.A 29-year-old man presented with rapidly progressive gait disturbance, a sensory-deficit below the trunk and urination disorders that had begun a few months earlier. Magnetic resonance imaging of his thoracic spine revealed a dorsal-located intradural-extramedullary tumor at T4-5. The rapid deterioration of his symptoms within several months led him to refer to our department for surgery. Within one month the size of tumor increased to involve the T4-6 level, consequently worsening his gait disturbance. He underwent surgery and tumor mass was resected. However, there was leptomeningeal dissemination of the tumor cells on the surface of cord. A near-total resection was therefore achieved. Histopathology revealed the resected specimen had immunoreactivity for EMA/Vimentin/CD56/CD99/S-100/GFAP, with a Ki-67 index of ~35%. These factors led to the diagnosis of anaplastic ependymoma. Seven weeks postoperatively he received adjuvant radiotherapy to the whole brain and the whole spinal cord. He recovered as an independent ambulator without recurrence 1 year postoperatively.Because of their rarity, there are no clear treatment or adjuvant therapy guidelines for spinal anaplastic ependymoma. Adjuvant radiotherapy to the whole brain and spinal cord was necessarily indicated after near-total resection. Although the patient's condition has not recurred 1 year after surgery, careful and serial follow-up is necessary for this individual." @default.
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- W3123055876 date "2021-01-19" @default.
- W3123055876 modified "2023-10-14" @default.
- W3123055876 title "Grade III intradural extramedullary anaplastic ependymoma managed with near-complete resection and adjuvant radiotherapy: a case report" @default.
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- W3123055876 doi "https://doi.org/10.1038/s41394-020-00367-1" @default.
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