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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 1300 - 17 June Posted By: Guest

Please read the clinical history and view the images by clicking on them before you proffer your diagnosis.
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The patient is a 73-year-old female who underwent repeat biopsy with lesions on trunk and some on the extremities. The lesions are approximately 1 cm in size.

Case posted by Dr Hafeez Diwan


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Dr. Mona Abdel-Halim

Posted

Lymphoproliferative disorder consistent with LyP based on the clinical description.

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I can see only a Lymphoproliferative disorder. Without IHQ the differential diagnosis is broad. LyP is a good one, PCFCL and systemic lymphoma with cutaneous manifestation are my other ddx.

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Dr. Hafeez Diwan

Posted

I thought this was a rather challenging case. It turned out to be cutaneous EBV+ diffuse large B-cell lymphoma of the elderly. This was CD20 and EBER positive.

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