Recurrent posterior fossa anaplastic ependymoma with prominent chondroid metaplasia: A case report and review of literature

Recurrent posterior fossa anaplastic ependymoma with prominent chondroid metaplasia: A case report and review of literature

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We report an unusual case of a recurrent fourth happy camper dog shirt ventricular anaplastic ependymoma with prominent chondroid metaplasia in a 16-year-old male.On initial presentation, the patient had a WHO Grade II exm1996 tumor.However, at recurrence 1 year later, the tumor progressed to WHO Grade III tumor with more cellularity, necrosis and brisk mitotic activity.Chondroid metaplasia was present in both the initial and recurrent tumors.