Erased charcoal sign (prostate cancer)
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.
- 1. Jelle O. Barentsz, Jonathan Richenberg, Richard Clements, Peter Choyke, Sadhna Verma, Geert Villeirs, Olivier Rouviere, Vibeke Logager, Jurgen J. Fütterer. ESUR prostate MR guidelines 2012. (2012) European Radiology. 22 (4): 746. doi:10.1007/s00330-011-2377-y - Pubmed
- 2. Michelle D. Sakala, Raymond B. Dyer, Rafel Tappouni. The “erased charcoal” sign. (2017) Abdominal Radiology. 42 (3): 981. doi:10.1007/s00261-016-0938-x - Pubmed