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In this section we have spot diagnoses posted on a daily basis since June 2010, now over 4000! You can review the archived cases and read the suggested diagnoses by users and the final comment by the contributors.
Case are uploaded each week day by 10 am UK time with the correct diagnosis will generally be posted at 8 pm UK time. Why not view the most recent spot diagnosis and proffer a diagnosis?

Case Number : Case 2083 - 31 May 2018 Posted By: Raul Perret

Please read the clinical history and view the images by clicking on them before you proffer your diagnosis.
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M. 33 years old with a pigmented lesion of the lumbar region.

Edited by Admin_Dermpath

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Raul Perret


Yes, this was a typical case of pigmented dermatofibrosarcoma protuberans (Bednar tumor). I have only seen one case since I started working in a soft tissues referring center 7 months ago, so this is an infrequent tumor but generally easy to diagnose. Congrats to all of you!

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