Corona mortis: The leading pelvic vascular variant.

Corona mortis is a common vascular variant in the pelvis with significant clinical importance. While there is no standardised definition, the term generally refers to any anatomical situation where a vessel-either arterial or venous-crosses over the superior pubic ramus and is thus susceptible to injury. This anatomical course places it at high risk of injury in numerous clinical scenarios, including pelvic trauma and various surgical procedures. The aim of this article is to review the anatomy of arterial corona mortis using computed tomography angiography (CTA) and digital subtraction angiography and to use examples to illustrate the considerable clinical significance of this vascular variant. With its high prevalence and relevance, arterial corona stands out as the leading pelvic vascular variant. Radiologists should be familiar with its anatomy and high haemorrhagic risk, explicitly including it in radiological reports when the clinical situation means it could be of significance.