Lumbar Interspinous Bursitis (Baastrup Disease)

This is also known as kissing spine, is contact between spinous process of the lower lumbar spine. According to various reports, Lumbar interspinous bursitis (Baastrup disease) is uncommon but not infrequent in symptomatic patients undergoing lumbar spine MRI. Patients with MRI evident Baastrup disease tend to be older, have central canal stenosis, bulging discs, and anterolisthesis.