Fig. 1
From: Brain with coexistent acoustic schwannoma and ependymoma

Enhanced MRI before and 72 h after surgery. A Axial view. CPA and IV ventricle existed abnormal masses, with different signals. CPA region tumor invaded the internal auditory canal. B Sagittal view. IV ventricle tumor was closely related to the midbrain aqueduct. C Coronal view. These two tumor were completely removed. D Postoperative hydrocephalus was relieved compared with preoperative hydrocephalus