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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 1334 - 04 August 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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65 year old male with multiple deep seated nodules on the bilateral elbows.

Case posted by Dr Uma Sundram
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Go to records August 2015

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Guest Romualdo

Guest Romualdo

Posted

If there is no clinical and laboratory evidence of rheumatic disease I vote for deep (subcutaneous) granuloma annulare.

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Arti Bakshi

Arti Bakshi 286

Posted

Pseudo rheumatoid nodules (Deep GA) vs rheumatoid nodule (based on clinical)

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IgorSC
Based on clinical information and the extend of necrobiosis I go for Rheumatoid nodules.

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Guest Romualdo

Guest Romualdo

Posted

At the left side of top right figure I see an histiocytic infltrate that looks more interstitial than palisading. Maybe this is more in keeping wtih granuloma annulare than a rheumatoid nodule. And there is more mucin than fibrin in this nodule.

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Uma Sundram

Uma Sundram 169

Posted

Oh good, I thought this would be too easy but completely agree with ddx of deep GA vs rheumatoid nodule. Patient has RA so I thought this was rheumatoid nodule. I thought this was interesting because it's more superficial than most cases of rheumatoid nodules I've seen. There's also quite a bit of mucin. It just goes to show how difficult these supposed 'easy' cases can be and how critical the clinical is.

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