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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 2948 - 25 October 2021 Posted By: Dr. Mona Abdel-Halim

Please read the clinical history and view the images by clicking on them before you proffer your diagnosis.
Submitted Date :
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"M, 32
Progressive history of widespread ulcerated vegetative plaques of several years duration"


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Dark pigmentation of hyphae. Phaeohyphomycosis?

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Meenakshi Batrani

Posted

Agree pigmented hyphae-  Phaeohyphomycosis

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Victor Delgado

Posted

Nice case. We could see epidermal ulcer, fibrin, mixed inflammatory infiltrate, necrosis and cellular debris with a lot of filaments most of them brown. Phaeohyphomycosis.

Diagnostic must be done based on CPC and fungal isolation. Histopathological sensitivity is about 85% and nearly 100% with Gomori stain. Tks for sharing.

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Dr. Mona Abdel-Halim

Posted

Well done everybody!

This was a case of phaeohyphomycosis confirmed by culture (Exophiala/Wangiella dermatidis).

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