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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 1641 - 10 October Posted By: Guest

Please read the clinical history and view the images by clicking on them before you proffer your diagnosis.
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The patient is a 53-year-old woman with a history of systemic sarcoidosis and presents with multiple, white, 0.1 cm to 0.3 cm papules with positive koebnerization.

Case Posted by Dr Mark Hurt

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Apologies for slight delay in getting today's case online, we are mid-update on the website.


Cheers, Geoff Cross

AV and Data Limited - DermPathPro Projects

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Mark A. Hurt MD


My diagnosis was lichen nitidus.  I realize that this looks a lot like LP, but clinically it was LN, and the other lesion (not shown) was classic with the "ball and claw" pattern.  I showed this lesion because it was more challenging.

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