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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 2311 - 25 April 2019 Posted By: Dr. Hafeez Diwan

Please read the clinical history and view the images by clicking on them before you proffer your diagnosis.
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65 year old male with biopsy of rash on right buttock (courtesy of Dr. Amanda Moyer)


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Anil Patki

Posted

Subepidermal vesiculation with neutrophilic microabscesses in dermal papillae point towards dermatitis herpetiformis. Linear IgA disease is a close differential. 

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Dr. Richard Carr

Posted

I've posted an up-date on Case 2249 (January 25th 2019). PCR studies (for Heck's) were negative for HPV alpha and beta subtypes.

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Alex-Ventura-Leon

Posted

Dermatitis Herpetiformis for IF confirmation.

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When I see a bullous disease, with a multilocular DH-like pattern and a large BP-like size of the blister, I bet on IgA Linear B allows dermatosis.

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Dr. Hafeez Diwan

Posted

Dermatitis herpetiformis.  The lesion had the typical IF pattern.

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