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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 599 - 25 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 2 years with a nodule on the scalp.
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Go to records September 2012

User Feedback


Dr. Mona Abdel-Halim

Dr. Mona Abdel-Halim 508

Posted

Very difficult. Thought of nodular fasciitis but could not find much extraverted RBCs...

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Sasi Attili

Sasi Attili 85

Posted

Found it extremely difficult too. Thought of myxoid neurofibroma, though did seriously consider nodular fasciitis (no extravasated RBC) & dermal nerve sheath myxoma (doesn't have the right architecture)

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Dr. Mona Abdel-Halim

Dr. Mona Abdel-Halim 508

Posted

Yes Sasi, I could not find extraverted RBCs and I also thought of myxoid NF but the cytological features in fig 4 do not show the nuclei of NF. I have also thought of Nurothekoma (nerve sheath myxoma) but as u said not the typical architecture???? What about myxoid DFSP???? he is so young though???? Very difficult...

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Guest Rodrigo Restrepo

Guest Rodrigo Restrepo

Posted

It could be Nerve sheath myxoma

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Sasi Attili

Sasi Attili 85

Posted

Yes Mona. This is a tough one. Myxoid DFSP is a good thought. But as you say, quite young. Might be the answer!

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Guest
Myxoid neurothekoma also may ? Myxoid neurofibroma??

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Hanan Vaknine MD

Hanan Vaknine MD 18

Posted

I would suggest Dermal Nodular Fasciitis while at this age group and location it may represent its closely related variant namely Cranial Fasciitis.

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Iskander H. Chaudhry

Iskander H. Chaudhry 49

Posted

Dear All

Thank you for your contributions. The final diagnosis is [color=#1C2837][font=arial, verdana, tahoma, sans-serif][size=4]Dermal Fasciitis. [/size][/font][/color]

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