Ependymoma with diffuse signet-ring features: report of a case and review of the literature.

Abstract

Signet-ring cell ependymoma is a rare variant of ependymoma with only seven cases described in literature. Biological behavior and prognosis of this entity are not well-known until now. We present a case of a 49-year-old female with a history of headache and gait instability. Magnetic resonance imaging showed an upper cervical tumor with cystic component… (More)

Topics

3 Figures and Tables