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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 4452 - 13 February 2024 Posted By: Admin_Dermpath

Please read the clinical history and view the images by clicking on them before you proffer your diagnosis.
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71 year man duration two months Yellowish, waxy papules with itching all over body predominantly over chest and forearm clinical diagnosis: Lichen amyloidosis.

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Eman El-Nabarawy


Epithelioid cell granulomas in the papillary dermis and perifollicular together with clinical correlation favor lichen scrofulosorum.

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Thank you for your comments. 

The final diagnosis is: Lichen scrofulosorum.

The differential diagnoses to consider are: 

Lichen nitidus.
Granulomatous syphilis.
Miliary tuberculosis.

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