Posterior fossa volume

The size and location of a syrinx can vary, and the volume can range from a few millimeters to several centimeters. The volume of a syrinx can be an important factor in determining the severity of the underlying condition and the risk of complications.

An increase in syrinx volume can be indicative of a worsening of the underlying condition, such as a Chiari malformation or spinal cord injury. In some cases, an increase in syrinx volume can lead to compression of the spinal cord, which can cause neurological symptoms such as weakness, numbness, or pain.

C1 Laminectomy was effective in increasing posterior fossa volume expansion, both with and without duraplasty. A more rapid decrease in syrinx volume occurred when C1 Laminectomy was combined with duraplasty ¹⁾.