The posterior component
separation technique has also been introduced as a modification of the Rives-Stoppa technique allowing for significant posterior rectus fascia advancement, wide lateral dissection and a large space for mesh sublay.
Transversus abdominis muscle release: a novel approach to posterior component
separation during complex abdominal wall reconstruction.
The Circle of Willis was assessed for its completeness along with anatomical variations of anterior and posterior components
of the circle.
From this discovery, my Posterior Components
Separation Technique (PCST) was developed.
About 7 to 25% of osteoblastomas involve the spine (3) and it commonly tends to involve the posterior components
including the pedicle in most cases, in contrast to other benign tumors, which often involve the vertebral body (4).