<p>This 46 year old man had been referred urgently with a skin lesion that had suddenly changed colour from red to black. Given that the lesion was on his back he was not sure how long it had been present for and whether or not it had grown. <strong>What is the diagnosis?</strong></p>
Dermoscopy - Introduction, Terminology and Structures
A document to help you understand the dermoscopic descriptions used in this blog.
Dermoscopy Algorithm
To help you work through dermoscopic cases.
<p>Dermoscopically there are multiple <strong>well-defined large black clods</strong> consistent with an angioma. The clods seen in angiomas are often red, or purple-blue. However, an<strong> angioma is a little like a haemorrhoid</strong> - it can suddenly thrombose and turn black, as was the case with this patient. </p>
