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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 2391 - 29 August 2019 Posted By: Limin Yu

Please read the clinical history and view the images by clicking on them before you proffer your diagnosis.
Submitted Date :
   (0 reviews)
76 M arm
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Go to records August 2019

User Feedback


Meenakshi Batrani

Meenakshi Batrani 0

Posted

Seem to be Gram positive and weakly acid fast positive filamentous bacteria. The staining characteristic fits with Nocardia, which may cause three varieties of cutaneous infections: Mycetoma like, lymphocutanoues/sporotrichoid and abcess or cellulitis. In the images, I don't see it forming a distinctive grain to call it mycetoma. But it could be either sporotrichoid or abcess. 

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Anil Patki

Anil Patki 4

Posted

Atypical mycobacterial infection is another possibility. Is the patient immunocompromised?

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Alex-Ventura-Leon

Alex-Ventura-Leon 0

Posted

Filamentous bacteria acid fast positive surounded by dense neutrophilic inflammation.

My first thought is Nocardia

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