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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 1360 - 09 September 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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38 year-old female with right arm biopsy.

Case posted by Dr Hafeez Diwan


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User Feedback


Arti Bakshi

Posted

In the absence of any clinical details, thinking of PRP (impression of alternating hyper and parakeratosis). Alternatively, pityriasis rosea?

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Dr. Mona Abdel-Halim

Posted

The third image reminds me of the teapot lid sign of tilted parakeratosis in pityriasis rosea !!

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Guest Romualdo

Posted

I think pityriasis rosea is a good suggestion. I would like to add erythema annulare centrifugum based on the coat sleeve lymphocytic perivascular infiltrate seen in the last three images. Clinicopathologic correlation is necessary.

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biswanath behera

Posted

?? Deep Erythema annulare centrifugum. perivascular lymhocytic cuffing. proximal extrimities are commone site.

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Dr. Richard Carr

Posted

My DDx (without clinical) in no particular order: Pityriasis rosea, PRP, tinea corporis (needs PAS).

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