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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 2244 - 18 January 2019 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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F60. Neck.

Edited by Admin_Dermpath


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Alex-Ventura-Leon

Posted

Intravascular Papillary Endothelial Hyperplasia (aka Masson´s tumor)

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Thrombosed venous malformation. Unlike this case, Masson's tumore is usually well demarcated.

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Some kind of vascular malformation with features of Masson's tumor ( papillary endothelial hyperplasia)

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Meenakshi Batrani

Posted

 Considering the age the large vessel might be a venous lake with intravascular Intravascular papillary endothelial hyperplasia (Masson's tumor)

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Dr. Richard Carr

Posted

I thought this case was a little unusual but basically a benign haemangioma or lymphangioma or vascular malformation with a dissecting pattern.

I shared with Raul who raised the possibility of lymphangiomatous KS but I did not do HHV8 in this instance because of the clear cut SMA staining in the larger dilated vessels indicative of an indolent lesion. Nor were there plasma cells or haemosiderin to speak of. Raul mentioned doing C-Myc if the lesion was post radiotherapy.

I also shared it with Chris Fletcher (Boston) who (agreeing with Vincenzo) comments as follows: Looks most like progressive lymphangioma with superimposed thrombus, tho’ prominent pericytes a little unusual.  Certainly benign and unlikely to recur.

Thanks for all the responses, warm regards.

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