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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 2038 - 28 March 2018 Posted By: Uma Sundram

Please read the clinical history and view the images by clicking on them before you proffer your diagnosis.
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25 year old female with lesion near umbilicus.


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Anil Patki

Posted

Glandular structures and a fibromuscular band in linear disposition. Omphalomesenteric duct remnant or urachal remnant. Urachal remnant can show transitional, squamous or gut epithelium.

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vincenzo polizzi

Posted

Like Anil’s comment, but my impression is of an apocrine glandular epithelium, as sebaceous structure..like a hidradenitis or something similar or an odd neuroductal/neurofollicular hamartoma...

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The last figure appears to show smooth muscles in the dermis. Supernumerary nipple?

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vincenzo polizzi

Posted

Yeahh Anh!  That’s the more appropriate thought. A ductal epithelium with apocrine metaplasia...

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There are dilated ducts with scattered bundles of nerve and smooth muscle consistent with accessory Nipple !

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Uma Sundram

Posted

Nailed it anh and LR123!

accessory nipple.

This was so characteristic I had to post it! This one has some nice apocrine glands, deeply placed, like the axilla or breast. A good thing to look out for. Also, some nice nerve bundles high in the reticular dermis which would be unusual in totally normal skin. I find the ddx of 'normal skin' most challenging so like to post these things ....

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