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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 1806 - 01 May - Dr Limin Yu 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: 60 year old Female, scalpe lesion for 2 years.

Case Posted by Dr Limin Yu


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Raul Perret

Posted

Tubular adenoma with striking cystic and mature squamous metaplasia (resembling trichoadenoma)

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Sasi Attili

Posted

Trichoadenoma was my first thought but wow, yes did not consider this diagnosis. 

1 hour ago, Raul Perret said:

Tubular adenoma with striking cystic and mature squamous metaplasia (resembling trichoadenoma)

 

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Robledo F. Rocha

Posted

Agree with Raul’s opinion. I must confess trichoadenoma was my first thought since the widespread infundibulocystic metaplasia dominates over the conventional tubular architecture.

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Dr. Mona Abdel-Halim

Posted

Agree, lovely case.. 

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Nitin Khirwadkar

Posted

Agree, tubular adenoma.

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vincenzo polizzi

Posted

Agree with above. I would like define this as tubular apocrine adenoma with follicular and sebaceous differentiation, but think we are on the spectrum...

"Tubular Adenoma of the Skin with Follicular and Sebaceous Differentiation: A Report of Two Cases

Kazakov, Dmitry V. MD, PhD; Mukensnabl, Petr MD; Michal, Michal MD"

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Dr. Richard Carr

Posted

I posted another up-date to case 1805 (and to case 1282, 22nd May 2015!).

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Limin Yu

Posted

Thank you for your insights. My first impression of this case was trichoadenoma. Then I was intrigued by the few foci of tubulopapillary adenoma -like structures. IMHO, this case can be signed out as  " tubular apocrine adenoma with follicular and sebaceous differentiation" or "trichadenoma with focal tubular adenoma". Thank you for your discussion!

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