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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 585 - 5 Sept 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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Male 38 years with a nodule on the arm.
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Go to records September 2012

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Guest
MFH-like pattern. ?Dermatofibrosarcoma protuberans.

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Dr. Mona Abdel-Halim

Dr. Mona Abdel-Halim 508

Posted

Difficult case, need Immunos, suggested possibility MPNST,,

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Guest
very difficult again for me, what I can say, malignant.........possibly chapter of vascular tumors

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Guest
Also MPNST epithelioid variant, I'm minded with blood vessels in fig. 2 ??

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Dr. Phillip McKee

Dr. Phillip McKee 130

Posted

I put this one in to contrast with yesterday's case. It is a MPNST. Note the more severe cytological atypia and multiple mitoses.

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Guest Amr Gohar

Guest Amr Gohar

Posted

[font=arial,helvetica,sans-serif][color="#000000"]Th ank you Dr McKee for presenting this rare tumour. Actually most MPNST cases are thought to[color=#231F20] [/color]arise by malignant transformation of a neurofibroma. [color=#231F20][size=3]Tumour cells tend to concentrate around blood vessels. [/size][/color][/color][/font][color="#000000"][color=#231F20][/color][/color]

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