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In this section we have spot diagnoses posted on a daily basis since June 2010, now over 1700! You can review the archived cases and read the suggested diagnoses by users and the final comment by Dr Uma Sundram, the Editor-in-Chief and main spot diagnosis host. Case are uploaded each week day by 10 a.m. UK time with the correct diagnosis will generally be posted at 8 p.m. UK time. Why not view the most recent spot diagnosis and proffer a diagnosis?

Case Number : Case 2120 - 23 July 2018 Posted By: Limin Yu

Please read the clinical history and view the images by clicking on them before you proffer your diagnosis.
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45F, lesion on right leg


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Anil Patki

Posted

Hyperkeratosis, hypergranulosis, irregular acanthosis along with basal cell degeneration and lichenoid infiltrate in the dermis. I think this is hypertrophic LP.

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John Zhang

Posted

My first thought was LP but then realized that there might be a dermal lesion. My overall impression is dermatofibroma. The lichenoid inflammation is only focal. More photos of the dermal portion might be helpful.

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Limin Yu

Posted

Thanks for the insightful discussion. This is a DF. Its paucicellular nature is not easily appreciated in images. 

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