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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 768 - 28th May Posted By: Guest

Please read the clinical history and view the images by clicking on them before you proffer your diagnosis.
Submitted Date :
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74 years-old male with a long-standing lesion on the buttock.
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Go to records May 2013

User Feedback


Guest Iskander

Guest Iskander

Posted

Dear All - please have another look at yesterday's post diagnosis as there were no correct answers :(. Iskander

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Guest Dr Engin Sezer

Guest Dr Engin Sezer

Posted

MFH

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Guest Maria george

Guest Maria george

Posted

Iskandar,this is phyohyphomycosis and previous one is heterotopic neural coriostoma!if not epitheliod sarcoma.

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Sasi Attili

Sasi Attili 85

Posted

I am worried by the pigment production and the irregular nests of epithelioid cells some of which do display pleomorphism but can't see obvious mitoses. Some of the nests seem to be inside vessels! I would like to see the silhouette but suspecting that this is a melanoma.

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Guest Maria george

Guest Maria george

Posted

The previous one is metastatic breast carcinoma this one possibly deep fungal infection.

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Guest Maria george

Guest Maria george

Posted

Both could be metastases.The previous from breast and this from a melanoma.

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Dr. Mona Abdel-Halim

Dr. Mona Abdel-Halim 508

Posted

Metastatic blue nevus like melanoma

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Guest Bansal_

Guest Bansal_

Posted

DD: Melanoma, Metastatic Carcinoma. Needs immuno panel.

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Dr. Richard Carr

Dr. Richard Carr 622

Posted

I did not understand most of the suggestions above. Yesterday's was amusing too - shows that diagnosing on a few images can be treacherous! What about a blue naevus?

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Guest Bansal_

Guest Bansal_

Posted

Yes Richard, possibly why EQAs based on a few photomicrographs will never work!

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Iskander H. Chaudhry

Iskander H. Chaudhry 49

Posted

Thanks for everyone for going back to yesterday's case, the diagnosis is now on so do check it out!

It seems today's was no easier! This was an atrophic cellular blue nevus, many thanks Richard for the intervention! You're right, it can be tricky judging a lesion by a few photos alone, and we are all here to learn :)

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