Fourth Ventricular Schwannoma: Identical Clinicopathologic Features as Schwann Cell-Derived Schwannoma with Unique Etiopathologic Origins

<table>Sagittal and axial pre- and Postcontrast MR images. (a) Sagittal image without gadolinium showing a homogenous lesion in the fourth ventricle. (b) Axial image without gadolinium showing the lesion. (c) Sagittal postcontrast image showing a heterogeneous enhancement of the lesion. (d) Axial postcontrast also showing heterogeneous enhancement.</table>

Case Reports in Medicine

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Figure 1

Figure 1: Fourth Ventricular Schwannoma: Identical Clinicopathologic Features as Schwann Cell-Derived Schwannoma with Unique Etiopathologic Origins 