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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 4505 - 26 April 2024 Posted By: Admin_Dermpath

Please read the clinical history and view the images by clicking on them before you proffer your diagnosis.
Submitted Date :
   (0 reviews)
A 33-year-old man with axillary and perianal ulceration. He was found to be HIV positive with a low CD4 count and neutropenia.
Contributor: Dr. Manuraj Singh
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msofopoulos

msofopoulos 4

Posted

Could it be Behçet's disease?

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vincenzo

vincenzo 4

Posted

FOUND THIS: 

Libman BS, Quismorio FP Jr, Stimmler MM. Polyarteritis nodosa-like vasculitis in human immunodeficiency virus infection. J Rheumatol. 1995 Feb;22(2):351-5. PMID: 7738964.

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Krishnakumar subramanian

Krishnakumar subramanian 0

Posted

super 

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Jane Wilkinson

Jane Wilkinson 0

Posted

Ecthyma gangrenosum.

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Joanne Ellis

Joanne Ellis 0

Posted

Ecthyma gangrenosum.

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Adam Ali

Adam Ali 0

Posted

Ecthyma gangrenosum.

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Summaya Ahmed

Summaya Ahmed 0

Posted

Pyoderma gangrenosum

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Summaya Ahmed

Summaya Ahmed 0

Posted

 

Pyoderma gangrenosum

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Ernest Foster

Ernest Foster 0

Posted

 

Invasive fungal infection

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Admin_Dermpath

Admin_Dermpath 1,211

Posted

Thank you for your comments. 

The final diagnosis is:  Ecthyma gangrenosum. Please see the special stain. 

The differential diagnoses to consider are:
Pyoderma gangrenosum
Chronic herpetic ulceration
Purpura fulminans
Invasive fungal infection
 

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