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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 1229 - 10 March 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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40 year old male with painful subungual tumor.

Case posted by Dr Uma Sundram


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Mark A. Hurt MD

Posted

Please see my answer for [url="https://dermpathpro.com/spot-diagnosis-1/_/2015-spot-diagnoses/march-2/case-1228-09-march-r1281"]Monday's spot[/url].

MAH

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Guest Tiberiu Tebeica

Posted

Classical example of glomus tumor.

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Mark A. Hurt MD

Posted

There is a classical morphological triad in the differential diagnosis: glomus tumor, poroma, and melanocytic nevus. Given the morphology and clinical context, it's glomus tumor until or unless proven otherwise.

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Arif Usmani

Posted

Considering clinical "Painful subungual tumor", glomus tumor appears more likely of three Mark mentioned.

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Guest Jim Davie MD

Posted

Agree with Glomus tumor.
Very monotonous, bland cell population with round nuclei, layered linear ribbons of cells, presence of focal close rimming of vessels, visible intracellular bridges (to exclude melanocytic), and eosinophilic deposits of likely BM material help support the Dx . Absence of mitotic activity helps exclude malignant GT (glomangiosarcoma) or GT of unknown malignant potential.

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Uma Sundram

Posted

Glomus tumor. I thought it was very classic!

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