Erased charcoal sign (prostate cancer)

Last revised by Ian Bickle on 21 Dec 2019

The erased charcoal sign describes the typical appearance of focal prostate cancer in the transition zone characterized as homogeneous hypointensity on T2WI with ill-defined borders, akin to a charcoal pencil drawing smudged with an eraser, often with a lenticular or waterdrop-like shape.

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