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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 2177 - 12 October 2018 Posted By: Dr. Richard Carr

Please read the clinical history and view the images by clicking on them before you proffer your diagnosis.
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F90. Forehead. 40 x 40mm raised black nodule. ?following trauma ?haematoma/Merkel/Melanoma.

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Argee with angiosarcoma. We can see deep infiltration trough the muscle, anastomosing channels and  some atypical endothelial cells lining the vascular spaces. Angiosarcoma of the head and neck of the elderly.

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Dr. Richard Carr


Agree with angiosarcoma. No tricks again. Rather vasoformative generally but focally had more epithelioid areas.

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