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 2579 - 26 May 2020 Posted By: Uma Sundram

Please read the clinical history and view the images by clicking on them before you proffer your diagnosis.
Submitted Date :
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10 year old female with erythematous papule on left arm.


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John Zhang

Posted

20 hours ago, vincenzo said:

Favor DPN. Differential with Spitz Nevus. 

Good point. Looks benign. I favor Spitz. Bete-catenin might be helpful to rule out/confirm DPN.

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Uma Sundram

Posted

Inflamed Spots nevus. There were some mitotic figures, which is not a surprise. We recommended a re excision with narrow margins.

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Uma Sundram

Posted

Regarding stains, it's important to figure out what the role of the test is. Would we recommend a re excision regardless of whether beta catenin is positive or negative? Stains should be used for management purposes, especially with overlapping atypical diagnoses. 

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