Diseases such as arthritis and scoliosis can cause spinal stenosis, too.

This valve, which has only one leaflet, can cause severe stenosis during infancy and may be fatal at an early age.

Any forward slipping of one vertebra on another can cause spinal stenosis by narrowing the canal.

The most common heart defect that causes aortic stenosis is a bicuspid aortic valve .

Treat strep infections promptly to prevent rheumatic fever, which can cause aortic stenosis.

Hypertrophy of this ligament may cause spinal stenosis because it lies in the posterior portion of the vertebral canal.

Many things can cause spinal stenosis, including aging, arthritis, and injury, among others.

In some cases, the scar can form a tight constricted ring causing preputial stenosis.

If granulation tissue grows over the injured site, it can cause stenosis of the airway, after a week to a month.

Experts don't know what causes pyloric stenosis.