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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 802 - 15th July 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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84 years-old white man who developed a left palmar lesion after burning his palm on a hot motorcycle muffler. Clinial DDx: SCC vs. Porokeratosis.

Case posted by Dr. Mark Hurt.


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Guest Dr. Francisco Vílchez

Posted

Palmar circunscribed hipokeratosis.

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Robledo F. Rocha

Posted

Circumscribed acral hypokeratosis. Sudden decrease of the thickness of both stratum corneum and stratum granulosum.
Picture #3 do not show cornoid lamella once there's no parakeratosis. Actually, a acrosyringium is shown.

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Guest Jim Davie MD

Posted

Agree. Circumscribed acral hypokeratosis.
Here is a link to an educational UPMC dermpath 'case-of-the-month' [url="http://dermpath.upmc.edu/webcases/2008/JUL08/findings.cfm"]case presentation[/url] on this entity.

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Guest Rodrigo Restrepo

Posted

[color=#1C2837][font=arial, verdana, tahoma, sans-serif][size=4]Palmar circunscribed hipokeratosis[/size][/font][/color]

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Guest Romualdo

Posted

Agree, too: circumscribed acral hypokeratosis.

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Mark A. Hurt MD

Posted

Yes, this is circumscribed acral hypokeratosis.

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