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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 1185 - 7th January 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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57 year-old male with right thumb lesion.

Case posted by Dr Hafeez Diwan


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Dr. Mona Abdel-Halim

Posted

Difficult one.. Thinking of plexiform fibrohistiocytic tumor..

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Guest Romualdo

Posted

Nodules of epithelioid and spindle myofibroblasts within dense collagenized fascial tissue: palmar fibromatosis is my first thought.

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Robledo F. Rocha

Posted

I favor a plexiform benign nerve sheath tumor. Epithelioid schwannoma?

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Eman El-Nabarawy

Posted

Favor epithelioid schwannoma.

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Arif Usmani

Posted

Was there any ossification in this lesion?

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amiratawdy

Posted

I think it is plexiformfibrohistocytic tumor

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Dr. Richard Carr

Posted

My first thought was plexiform fibrohistiocytic tumour but I like the idea of ruling in / out plexiform epithelioid schwannoma.

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Dr. Hafeez Diwan

Posted

S-100 and CD34 were negative. There was no ossification in this lesion. I called this diffuse tenosynovitis.

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