Abstract
AbstractChordoid glioma (CG) is a rare tumor, and its predominantly anterior location is in the third ventricle. However, the clinical characteristics of CG were not obvious, and there was less knowledge of CG‐related imaging. This study aimed at exploring the MRI imaging features of CG. We retrospectively analyzed the MRI data of 13 patients diagnosed with CG from January 2015 to May 2021. The pathological change of tumor tissue was observed using H&E staining and immunohistochemical. The MRI manifestations of CG often include phyllode masses in the anterior part of the third ventricle. T2WI is dominated by iso‐ and hypointensity, with internal patchy hyperintensity, marked enhancement, and peritumoral edema. The “eight‐character edema sign” runs along the optic beam and may be useful for distinguishing CG from other tumors. CG has unique MRI manifestations that can serve as a diagnostic basis. Our study may help to enhance the understanding of imaging about CG and improve the diagnosis of patients with CG.
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