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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 2589 - 09 June 2020 Posted By: Uma Sundram

Please read the clinical history and view the images by clicking on them before you proffer your diagnosis.
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50 year old female with new rash on back.


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Nivedita

Posted

Crust formation with Spongiosis and scattered eosinophils, most likely Arthropod bite. Thank you for the case

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vincenzo

Posted

Grover disease is my favorite spot, because of a mixed pattern between Pemphigus, Spongiotic Dermatitis and something resembling Darier disease ( round corps in fig 4 and unicellular dyskeratosis ).. The presence of eosinophils in Grover's disease serves as a distinguishing feature from Darier's disease. 

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1 hour ago, vincenzo said:

Grover disease is my favorite spot, because of a mixed pattern between Pemphigus, Spongiotic Dermatitis and something resembling Darier disease ( round corps in fig 4 and unicellular dyskeratosis ).. The presence of eosinophils in Grover's disease serves as a distinguishing feature from Darier's disease. 

I thought I've seen viral changes, but with a second look I agree with Grover's.

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Josie Bisi

Posted

I would like a clinical photo ... Grover was one of my initial hypotheses, however I am finding eosinophils in excess for Grover. For arthropod bites I miss the wedge infiltrate. Then I think of an autoimmune bullous dermatosis in the urticarial phase.

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Krishnakumar subramanian

Posted

Agree with Grover's

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Uma Sundram

Posted

Grover's disease. DIF was negative. 

 

 

 

 

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Dr. Mona Abdel-Halim

Posted

my first spot was Grover's too

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