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?

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Case Number : Case Number : Case 1916 - 03 Oct - Dr Uma Sundram

Please read the clinical history and view the images by clicking on them before you proffer your diagnosis.
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36 year old male with generalized infiltrative orange-yellow papules coalescing into annular plaques.

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Anil Patki

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Compact hyperkeratosis, slight acanthosis, subtle mucin deposition in upper and mid dermis, thickened collagen bundles and perivascular lympho- histiocytic infiltrate with a few eosinophils. Suggestive of papular mucinosis

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vincenzo polizzi

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Mmmh! Without any clinical history, I would have thought of a perniosis or chilblain lupus...It seems an acral biopsy. But it is a generalized  rash.  Erythema annulare centrifugum? But without parakeratosis and with so much papillary dermal edema?

I haven’t any spot diagnosis for the moment. Waiting for some suggestions of my Colleagues...

 

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amoa7575

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Reactive granulomatous dermatitis which include interstitial granulomatous dermatitis, PNGD, and Interstital granulomatous drug reaction.

This disorder might be associated with rheumatoid arthritis.

You may appreciate the floating sign; histiocytic infiltrate surrounding clefted floating foci of piecemeal degenerated collagen.

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Uma Sundram

Posted · Report

Interstitial granulomatous dermatitis. A drug etiology was suspected.

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Uma Sundram

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Sorry, I wish to clarify - a drug etiology was suspected clinically.

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