What is the main purpose of a laminectomy?

The main purpose of a laminectomy is to relieve nerve compression. This surgical procedure involves the removal of a portion of the lamina, which is the bony arch of the vertebra that protects the spinal cord. By removing either part of or the entire lamina, the surgeon creates more space within the spinal canal. This increased space alleviates pressure on the spinal cord and surrounding nerves, which can reduce pain, improve mobility, and address symptoms like weakness or numbness.

While the complete removal of the lamina might seem like the focus of the procedure, the ultimate goal is to alleviate symptoms caused by conditions such as herniated discs, spinal stenosis, or tumors that are pressing on the nerves. The emphasis on relieving nerve compression highlights the therapeutic intent of the surgery, making it the main goal of performing a laminectomy.