Fig. 2
From: Inflammatory demyelinating polyneuropathy versus leptomeningeal disease following Ipilimumab

Follow up post contrast cervical spine MRI. Parasagittal and axial T1w fat saturated post contrast images demonstrating smooth avid enhancement of all anterior and posterior cervical nerve roots (arrows) but no involvement of the cord surface. Both factors strongly mitigate against leptomeningeal metastatic disease