Courtesy of Prof Joanna Wardlaw, this image shows multiple lesions in axial FLAIR (left) and T2 (right) brain MRI consistent with multiple sclerosis discovered as incidental findings in a young health technologist, who benefited from early treatment.

The image is taken from a recent analysis article published in BMJ:

Wardlaw JM, Davies H, Booth TC, Laurie G, Compston A, Freeman C, Leach MO, Waldman AD, Lomas DJ, Kessler K, Crabbe F, Jackson A. Acting on incidental findings in research imaging BMJ 2015; 351 :h5190