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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 916 - 23rd 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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The patient is a 41 year old white man with a punch biopsy taken from the left posterior shoulder.

Case posted by Dr. Mark Hurt


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Eman El-Nabarawy

Posted

Hobnail hemangioma(targetoid hemosiderotic hemangioma).

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Guest Romualdo

Posted

Hobnail hemangioma, with typical biphasic pattern.

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[color=#1C2837][font=arial, verdana, tahoma, sans-serif][size=4]Hobnail haemangioma.[/size][/font][/color]

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Dr. Mona Abdel-Halim

Posted

Beautifully demonstrated hobnail hemangioma,,, amazing :-)

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Robledo F. Rocha

Posted

[size="4"]Hobnail hemangioma (targetoid hemosiderotic hemangioma) showing its classic biphasic appearance of superficial dilated vessels with plump endothelial cell lining, and deep slit-like vessels between collagens bundles and around an eccrine coil.[/size]

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Eman El-Nabarawy

Posted

After seeing the immunostains. Still my diagnosis is hobnail hemangioma.

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Guest Jim Davie MD

Posted

Agree with hobnail hemangioma. There is perivascular pigment/hemosiderin in the deep dermis. Clinical is typical location.

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