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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 4502 - 23 April 2024 Posted By: Admin_Dermpath

Please read the clinical history and view the images by clicking on them before you proffer your diagnosis.
Submitted Date :
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A 74-year-old man with a six week history of a keratotic papular rash
Contributor: Dr. Manuraj Singh


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Neil Catterall

Posted

Could be Grovers if it's pruritic

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Meenakshi Batrani

Posted

On 01/05/2024 at 13:20, Neil Catterall said:

Could be Grovers if it's pruritic

Agree. There is focal acantholysis.  Solar lentigo like pattern has been described in Grover's disease. 

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Eman El-Nabarawy

Posted

 

On 01/05/2024 at 10:50, Neil Catterall said:

Could be Grovers if it's pruritic

DD icludes Galli Galli disease in appropriate clinical setting.

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vincenzo

Posted

Same thought. Grover. 

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Ernest Foster

Posted

 

Dermatopathia pigmentosa reticularis

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Admin_Dermpath

Posted

Thank you for your comments. 

The final diagnosis is:  Dowling Degos disease

The differential diagnoses to consider are:

Adenoid seborrhoeic keratosis
Congenital dyskeratosis
Dermatopathia pigmentosa reticularis
Naegeli Franceschetti Jadassohn syndrome

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