This paper describes the origin, evolution, and technique of a modified medial window for the ilioinguinal approach to acetabular fractures, developed through cadaveric dissection in 1984. The modification replaces Letournel's circumferential external iliac vessel mobilization with a midline inter-rectus split, reducing vascular and lymphatic risk. The paper covers indications, technical steps, anatomic hazards, and the relationship of this technique to the Cole-Bolhofner modified Stoppa approach.
Letournel's original ilioinguinal technique required circumferential mobilization of the external iliac vessels and medial dissection that disrupted lymphatic channels, causing postoperative lymphangitis and leg edema, and was technically demanding in patients with prior inguinal hernia repairs.
When using the ilioinguinal approach for associated both column or anterior column plus posterior hemitransverse fractures, stop the conjoint tendon release at the palpable femoral artery and use a midline inter-rectus split rather than dissecting medial to the vessels. This single change eliminates the lymphatic complication risk and opens access to the pubic symphysis and contralateral pelvis.
When the anterior column is displaced anterosuperiorly, do not release the iliopectineal fascia through the lateral window first — the external iliac vein is at risk until the middle window is developed and the vessels can be safely retracted.
Understanding that the Stoppa approach lacks the middle window helps clarify case selection: reserve the full three-window ilioinguinal technique for fractures requiring anterior wall, pelvic brim, and posterior column access simultaneously.
This paper describes the origin, evolution, and technique of a modified medial window for the ilioinguinal approach to acetabular fractures, developed through cadaveric dissection in 1984. The modification replaces Letournel's circumferential external iliac vessel mobilization with a midline inter-rectus split, reducing vascular and lymphatic risk. The paper covers indications, technical steps, anatomic hazards, and the relationship of this technique to the Cole-Bolhofner modified Stoppa approach.
Letournel's original ilioinguinal technique required circumferential mobilization of the external iliac vessels and medial dissection that disrupted lymphatic channels, causing postoperative lymphangitis and leg edema, and was technically demanding in patients with prior inguinal hernia repairs.
When using the ilioinguinal approach for associated both column or anterior column plus posterior hemitransverse fractures, stop the conjoint tendon release at the palpable femoral artery and use a midline inter-rectus split rather than dissecting medial to the vessels. This single change eliminates the lymphatic complication risk and opens access to the pubic symphysis and contralateral pelvis.
When the anterior column is displaced anterosuperiorly, do not release the iliopectineal fascia through the lateral window first — the external iliac vein is at risk until the middle window is developed and the vessels can be safely retracted.
Understanding that the Stoppa approach lacks the middle window helps clarify case selection: reserve the full three-window ilioinguinal technique for fractures requiring anterior wall, pelvic brim, and posterior column access simultaneously.