On MRI, the tumor showed a slightly low signal on T1-weighted images, a high signal on T2-weighted images, and poor enhancement after gadolinium injection.

• 磁振造影检查，这类肿瘤在T1影像是呈现低讯号强度，T2影像是呈现稍微高讯号强度，打过显影剂以后肿瘤只呈现轻微的显影。