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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 1842 - 20 June - Dr Uma Sundram 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: 30 year old male with new pigmented lesion on left anterior shoulder.

Case Posted by Dr Uma Sundram


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User Feedback


Admin_Dermpath

Posted

Great case from Dr Uma Sundram to get you off to a good day.

Geoff Cross - DermpathPRO Projects

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vincenzo polizzi

Posted

Superficial variant of DPN

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Raul Perret

Posted

I would have probably called it nevus with halo like reaction, I am 100% sure this lesion is benign.

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Robledo F. Rocha

Posted

Considering the clinical presentation of a pigmented lesion, and the microscopic picture of scattered nests of nevus cells with regressive changes embedded in a dense inflammatory infiltrate, I tend to melanocytic nevus with halo phenomenon, or halo nevus without halo.

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In my daily practice I would call this lesion a common nevus with halo phenomenon as well.

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Dr. Mona Abdel-Halim

Posted

Agree with halo phenomenon/halo nevus

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Pablo Gonzalvo

Posted

Dermal spitz nevus with regresion (halo fenomenon)

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Nitin Khirwadkar

Posted

Dermal naevus with a halo phenomenon. 

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vincenzo polizzi

Posted

I don't see any papillary dermal component, as expected in DPN..., but I comprise there is too halo-regressing changes that confuse the backdrop... 

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Uma Sundram

Posted

Excellent. We called it a Spitz nevus with halo phenomenon and recommended a re excision.

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