PMC4710703_01
(A) Case 1. Preoperative T1-weighted brain MRI scan showed a hypointense and homogenous mass within the left MO without Gadolinium enhancement. (B) The postoperative T1-weighted brain MRI scan showed complete resection of the tumor.
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F1
The subependymoma is a low-grade glioma, with a well-known good survival prognosis, and low chances of recurrence when complete resection is accomplished; therefore, the patient did not required additional therapy after surgery (Figures 1A,B).
PMC4710703_02
(A) Case 2. Preoperative T1-weighted MRI scans showed a wider MO due to a hypointense heterogeneous mass with necrosis or polimicrocystic component. Gadolinium-enhanced T1-weighted MRI scans demonstrated a heterogeneous enhancing mass. (B) T1-weighted brain MRI scans showed postoperative result.
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F2
Then, he received chemotherapy and radiation therapy (Figures 2A,B).