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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 1353 - 31 August Posted By: Guest

Please read the clinical history and view the images by clicking on them before you proffer your diagnosis.
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The patient is a 38 year old woman with shave biopsies of a changing papule taken from the right posterior leg.

Case posted by Dr Mark Hurt

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Mark A. Hurt MD


[indent=1][b]COMMENT: [/b]Targetoid hemosiderotic hemangioma is also known as "hobnail" hemangioma, and many authors prefer that name over targetoid hemosiderotic hemangioma, which was the original name applied to this kind of lesion. Some argue that these lesions occur as a result of trauma to pre-existing angiomas or angiokeratomas. Others argue that these are mostly related to lymphatics because of the expression of D2-40.[/indent]

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