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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 1408- 16 November 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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Case History: The patient is a 41-year-old man with an eruption of small yellow papules over the trunk, extremities and penis. A shave biopsy is taken from the right upper back.

Case posted by Dr Mark Hurt
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  Report Record
Go to records November 2015

User Feedback


Arti Bakshi

Arti Bakshi 286

Posted

Agree, eruptive xanthoma.
Image 3 has a slight resemblance to granuloma annulare, which can occur with these lesions, the foamy nature of the histiocytes and lack of true necobiosis, being the differentiating point.
Also, important to correlate with clinical findings as eruptive xanthoma is usually associated with hyperlipedemia. If normolipaemic, then xanthoma disseminatum would also come in the d/d.

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Raul Perret

Raul Perret 262

Posted

Dear Friends, just so I can learn, what histological difference would you expect between papular and eruptive xanthoma?. I thought in papular xanthoma we see only foamy histyocytes whether in eruptive xanthoma there is usually lymphocytes and/or leukocytes intermingled with the histiocytes. By the way, great webpage and community!

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