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 2503 - 10 February 2020 Posted By: Dr. Mona Abdel-Halim

Please read the clinical history and view the images by clicking on them before you proffer your diagnosis.
Submitted Date :
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F55, scalp nodule slowly growing for a long time.


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vincenzo

Posted

A jigsaw puzzle of basaloid cells aggregates, surrounded by a tick eosinophilic homogeneous basement membrane, but without any inside round deposits. Favor Cylindroma over Spiradenoma ( no lymphocytes ).

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Dr. Mona Abdel-Halim

Posted

Yes indeed, this was a case of cylindroma. 

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