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Maitri Vaishnav: Anatomical Variability and Surgical Relevance of Corona Mortis

Maitri Vaishnav/ LinkedIn

May 23, 2026, 03:02

Maitri Vaishnav: Anatomical Variability and Surgical Relevance of Corona Mortis

Maitri Vaishnav, Student at C.U. Shah College of Pharmacy, shared a post on LinkedIn:

“Corona Mortis

Corona mortis is a vascular connection (an abnormal or variable blood vessel link) between the obturator vessels and the external iliac or inferior epigastric vessels located behind the pubic bone in the pelvis.

The name means ‘Crown of Death’ because injury to this vessel can cause severe bleeding during trauma or surgery.

Location:

Behind the superior pubic ramus
Near the pelvic brim
Around the groin and pubic region

Function

Corona mortis acts as a vascular communication pathway between pelvic blood vessels.
Helps provide collateral blood circulatio
Connects blood supply between:

Obturator artery/vein
Inferior epigastric or external iliac vessels

Normally it may not cause problems, but it becomes important during surgery or trauma.

Corona mortis is considered highly sensitive and clinically important because it can bleed heavily if damaged.

Even a small injury can lead to:

Rapid blood loss
Hidden pelvic hemorrhage

Surgical complications

The vessel may:

Be arterial or venous
Vary in size and position in different people

Effects on the Body if Injured

Severe internal bleeding
Pelvic hematoma
Low blood pressure
Shock
Increased surgical risk
Possible life-threatening

Attachment With Pelvic Trauma

Pelvic fractures can tear the corona mortis vessels, especially during high-impact accidents such as road traffic injuries or falls from height.

Because these vessels are located deep inside the pelvis, bleeding may be difficult to detect early and can lead to severe internal hemorrhage.

Injury to the vessel may worsen pelvic instability, decrease blood pressure, and increase the risk of shock and life-threatening complications.

Attachment With Hernia Surgery

Corona mortis is clinically important during inguinal and femoral hernia repair surgeries.

Surgeons must carefully identify and protect these vessels because accidental injury can cause massive bleeding and difficult surgical control.

This vascular variation is especially significant during laparoscopic hernia repair and other groin surgeries where instruments are placed close to the pubic region.

Attachment With Orthopaedic Fixation

During orthopaedic procedures such as pubic ramus fixation, acetabular surgery, and pelvic plate fixation, surgical instruments and screws may pass near the corona mortis vessels.

Accidental damage can result in heavy bleeding, poor surgical visibility, prolonged operation time, and increased operative risk.

Therefore, proper anatomical knowledge and careful surgical planning are essential during pelvic fixation procedures.”

Maitri Vaishnav: Anatomical Variability and Surgical Relevance of Corona Mortis