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?

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Case Number : Case 2437 - 5 November 2019 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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56F, a nodule left forearm

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Krishnakumar subramanian

Posted

Psudoepitheliomatous hyperplasia with dermal suppurative granuloma

PAS or GMS stain needed sir

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Suppurative granulomatous inflammation. Differential diagnosis lies between deep fungal infection and atypical mycobacterial infection. PAS, ZN stains and tissue culture required to arrive at the etiological diagnosis. 

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Admin_Dermpath

Posted

The final diagnosis was:

Mcobacterium marinum infection (Fish tank granulomas) - which was supported by the clinical history!

Iskander

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