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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 1845 - 23 June - Dr Richard A Carr 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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Clinical History: F40. Shiny papule on the eyelid. ?BCC, ?Sebaceous hyperplasia, ?Viral wart. Case c/o Dr Rand Hawari.

Case Posted by Dr Richard A Carr

Edited by Admin_Dermpath


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Admin_Dermpath

Posted

Wrap up your week with another excellent case from Dr RIchard A Carr.

Cheers, Geoff Cross - DermpathPRO Projects

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Raul Perret

Posted

My differential is bcc vs desmoplastic trichilemomma. I favour the latter based on morphology

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vincenzo polizzi

Posted

Why not a "Basaloid Follicular Hamartoma"?

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vincenzo polizzi

Posted

Yes I was wrong...Desmoplasia and CD34 are more in keeping with DT.

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Dr. Mona Abdel-Halim

Posted

Desmoplastic Trichilemmoma

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Arti Bakshi

Posted

yes agree. The desmoplastic areas are typical. Can see a hint of reverse polarisation in image 6.

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Robledo F. Rocha

Posted

Yes, desmoplastic tricholemmoma. The tumor peripheral layer rests on a thickened glassy basement membrane and is composed by columnar cells with nuclear palisading and reverse polarization, but towards the center, the tumor shows a pseudoinfiltrative growth pattern into the sclerotic stroma.

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Dr. Richard Carr

Posted

Yes well done. This is a small desmoplastic tricholemmoma for reasons elaborated above. Easily mistaken for BCC (infiltrative) or SCC.  Apologies for late response - I'm on the family hols in Sardinia, completely forgot about work for a few days!

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