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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 2085 - 4 June 2018 Posted By: Limin Yu

Please read the clinical history and view the images by clicking on them before you proffer your diagnosis.
Submitted Date :
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81 year old male with lesion on right forearm.


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Anil Patki

Posted

Chronic heliodermatitis. The subepidermal cleft is probably artifactual. Eosinophils may be there because of mild contact sensitisation due to topically applied cream or some component of sunscreen.

 

 

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vincenzo polizzi

Posted

My first spot is Dermatomyositis. 

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vincenzo polizzi

Posted

Too eosinophils indeed. Many doubt about my first spot of DM ( based upon dermal mucin and interface mild changes ). Could be a consequence of topical creams, as suggested by Anil, on a DM lesion? Or  cancer-therapy-induced DM-like reaction? Single lesion or eruption? Itching?

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Limin Yu

Posted

I apologize that the pictures are not representative. This is a subepidermal bullous dermatitis with eosinophils. DIF shows linear deposition of antibodies against IgG and C3 at DEJ. The findings are compatible with BP. 

Unfortunately I can't post DIF pictures due to the  limit of file size of attachment (0.11MB, which is too low for pathology pictures). 

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