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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 1054 - 8th July 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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The patient is a 68 year old woman with a shave biopsy of a shiny papule on the left cheek.

Case posted by Dr. Mark Hurt


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Trichilemmoma (with sebaceous differentiation).

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Guest Romualdo

Posted

Nests of poroid cells connected to the undersurface of the epidermis, tubular structures lined by eosinophilic cuticular cells and aggregations of vacuolated mature sebocytes: apocrine poroma with sebaceous differentiation.

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Dr. Mona Abdel-Halim

Posted

Nice suggestions, but why not just part of a sebaceoma/ sebaceous epithelioma?

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IgorSC

Posted

I believe Dr. Mona is right, this lesion must be part of a Sebaceoma.

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Eman El-Nabarawy

Posted

Poroma with sebaceous differentiation.

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Robledo F. Rocha

Posted

Lobules composed predominantly of germinative basaloid cells with admixed mature sebocytes. Ductal and follicular differentiation can also be seen. So, I favor sebaceoma.

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Mark A. Hurt MD

Posted

Here are the immunos:

[img]https://dermpathpro.com/uploads/spot_diagnosis_comment_img/CASE1054_Image%2005.jpg[/img]

[img]https://dermpathpro.com/uploads/spot_diagnosis_comment_img/CASE1054_Image%2006.jpg[/img]

[img]https://dermpathpro.com/uploads/spot_diagnosis_comment_img/CASE1054_Image%2007.jpg[/img]

[img]https://dermpathpro.com/uploads/spot_diagnosis_comment_img/CASE1054_Image%2008.jpg[/img]

[img]https://dermpathpro.com/uploads/spot_diagnosis_comment_img/CASE1054_Image%2009.jpg[/img]

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Mark A. Hurt MD

Posted

My diagnosis was:

[b]-- SEB0RRHEIC KERATOSIS WITH SEBACEOUS DIFFERENTIATION[/b]

I do think that sebaceoma is a reasonable diagnosis, but I thought also this lesion seemed to fit with those described in Ackerman's book on sebaceous neoplasms (from 2009).

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