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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 4205 - 03 March 2023 Posted By: Iskander H. Chaudhry

Please read the clinical history and view the images by clicking on them before you proffer your diagnosis.
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52 F, Right frontal hairline excision. Deeply hyperpigmented blue dermal naevus, 0.8cmx. 0.6cm. Recent sunburnt and sore.

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Atreyo Chakraborty


Looks like a Common Blue Naevus. Dendritic and epithelioid melanocytes seen with no appreciable atypical. 

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Iskander H. Chaudhry


Thanks for your comments. It was reviewed in our department and we felt the degree of cellularity but push this to a cellular blue category and one need to be cautious to see there are no sinister / atypical features.

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