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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 1204 - 03 February 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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13 year old boy with lesion on scalp since birth with no hair growth.

Case posted by Dr Uma Sundram


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Mark A. Hurt MD

Posted

Nevus sebaceus. Note the "hole" in one of the sebaceous gland lobules, and note also the apocrine gland -- highly characteristic of nevus sebaceus.

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Guest Jim Davie MD

Posted

Nevus sebaceus. As Mark noted, the "replacement" of terminal hairs with apocrine coils in the same position within the dermis is a great objective clue for a diagnosis of NS...especially when other subjective features are subtle or missing.

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Uma Sundram

Posted

You guys nailed it! Nevus sebaceus. I don't often see an example with apocrine glands and this one was so nice I had to share!

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