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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 2557 - 24 April 2020 Posted By: Dr. Richard Carr

Please read the clinical history and view the images by clicking on them before you proffer your diagnosis.
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F75. Forehead.


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? Another DM. Ok, agree, but I would like know about lymphoid infiltrate. Probably reactive, but not sure. 

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Krishnakumar subramanian

Posted

DM, the  lymphoid infiltrates are reactive and thats the clue

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Dr. Mona Abdel-Halim

Posted

Nice! Have just seen the IHC now! As Vincenzo said, DM and CLL

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Dr. Richard Carr

Posted

Yes well done Vincenzo this is indeed desmoplastic melanoma (DM) and CLL (same patient as last week but this is 6 years on).

I too noticed the lymphoid infiltrate had changed!!! (easily missed when one is already concentrating on not missing DM).

Don't forget it's really common to see CLL as a second pathology in patient's in the elderly range and I love to put dual pathology in exams!!!

 

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Krishnakumar subramanian

Posted

Thanks sir, learning case

 

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