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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 2518 - 02 March 2020 Posted By: Iskander H. Chaudhry

Please read the clinical history and view the images by clicking on them before you proffer your diagnosis.
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44F, 4mm punch biopsy left forearm- ?Granulomatous reaction to red tattoo .. ?


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Krishnakumar subramanian

Posted

epidermal hyperplasia with parakeratosis and lichenoidi interface changes. there is perivascular superficial and mid dermal and also perieccrine lymphocytic infiltrate. lymphoid collection is also there in the junction between dermis and subcutaneous fat

DD: hypertrophic LE/ LP/reaction to pigments

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Dr. Mona Abdel-Halim

Posted

Lichenoid reaction to red tattoo with predominant follicular involvement

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What about a granulomatous tattoo reaction in a patient with LES?

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Eman El-Nabarawy

Posted

I perceive that the infiltrate is predominantly lymphocytic with deep extension, folliculocenteric pattern and follicular hyperplasia. What about tattoo-induced pseudolymphoma (or pseudolymphomatous folliculitis though no much distortion of hair follicles).

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Admin_Dermpath

Posted

Dear All 

 

From Dr Chaudhry:

I gave the answer away in the clinical !!! This was a solitary lesion and best fitted with a lichenoid reaction to red tattoo with predominant follicular involvement

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