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In this section we have spot diagnoses posted on a daily basis since June 2010, now over 4000! You can review the archived cases and read the suggested diagnoses by users and the final comment by the contributors.
Case are uploaded each week day by 10 am UK time with the correct diagnosis will generally be posted at 8 pm UK time. Why not view the most recent spot diagnosis and proffer a diagnosis?

Case Number : Case 1621 - 12 September 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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The patient is a 66-year-old white woman with a shave biopsy taken from the left wrist. Clinical Diagnosis: BCC, SCC, LPLK

Case Posted by Dr Mark Hurt
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  Report Record
Go to records September 2016

User Feedback


Raul Perret

Raul Perret 262

Posted

Yes there is cornoid lamellation confined to the follicles with associated interface change. Should correlate clinically but the morphology is quite suggestive of follicular porokeratosis. Something particular here is the apparent clinical description of a single lesion (follicular porokeratosis appears usually as multiple lesions). Other differentials to consider when diagnosing follicular porokeratosis: Porokeratotic eccrine and hair follicle nevus (PEHFN) but in this entity we see usually multiple lesions, compromise of the palms and soles and the cornoid lamella also involve eccrine ostia. It is important to remember that other types of porokeratosis can involve the follicles, however we should see cornoid lamella in non-follicular areas (not the case here). 

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Arti Bakshi

Arti Bakshi 286

Posted

follicular porokeratosis..... Agree that solitary lesion is odd!

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