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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 1438- 28 December 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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Case History: The patient is a 70 year old man with a shave biopsy of a 0.8 cm red papule taken from the left upper arm.

Case posted by Dr Mark Hurt


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vincenzo polizzi

Posted

The silhouette looks like a keratoacanthoma with basaloid and sebaceous differentiation. Atypical site for a sebaceoma, my first diagnosis, and some beyond border atypia. So i'm thinking to a "low grade sebaceous carcinoma developed in sebaceoma"

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Raul Perret

Posted

I would suggest a sebaceoma with atypical features and I would state the exact mitotic activity. As the tumor is superficial, has pushing borders, is smaller tan 1 cm. and the surgical margins are free it would be important also to state that metastatic potential is around 0% on the report

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