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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 1444- 6 January Posted By: Guest

Please read the clinical history and view the images by clicking on them before you proffer your diagnosis.
Submitted Date :
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Case History: 59 year-old male with generalized rash. This biopsy is from the right forearm.

Case posted by Dr Hafeez Diwan


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Raul Perret

Posted

Early pustular psoriasis. Another differential could be acute generalized exanthematous pustulosis but the clinical setting and absence of eosinophils in the dermis makes me support PS

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Mark A. Hurt MD

Posted

Let me add the differential of Miliaria Crystallina.

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Nitin Khirwadkar

Posted

Spongiotic tissue reaction pattern with subcorneal vescicles. The latter contain neutrophils and serum. The last image shows no eosinophils within the dermis or neutrophil margination. My differentials would include eczema, miliaria crystallina, eczematous drug reaction and early pustular psoriasis.

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Dr. Hafeez Diwan

Posted

Acute generalized exanthematous pustulosis.  I tried very hard to photograph the eosinophils, but I have had my system upgraded and this has caused some issues with the camera.  But there were definitely eosinophils.  The last image attempts to show some eosinophils.

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