Imaging studies do not live in a vacuum. Symptoms need to be correlated to the images to understand the pain generators.
You have had a previous burst fracture of L1. The vertebra under too much load fails and “bursts” apart like a wine barrel that has been dropped from a height. The pieces spread apart and one or more fragments entered the spinal canal. At this level, there are nerve roots and the end of the spinal cord called the conus. This fracture injured the conus as noted by the post-injury appearance (“There is gliosis of the conus with cystic myelopathy measuring 33mm beginning at the mid T12 vertebral body level”). Gliosis is scar tissue formation in the spinal cord and cystic myelopathy is a fluid-filled cyst formation that can occur after spinal cord injury.
There remain stenosis (narrowing) of the spinal canal due to the healed fracture fragment remaining in the canal.
The conus is responsible for bowel and bladder function as well as sensation to the rectum and perineal areas (buttocks). I would suspect that you have issues with these areas.
You might have some compression of the L5 nerve on the left (“prominent left sided
foraminal constriction and there could be pressure on exiting L5 nerve roots”). See lumbar foraminal stenosis to understand this condition.
There is no mention of the alignment of the old L1 fracture. This area of the spine is normally “straight” but with a fracture like this, you might be developing increased kyphosis (anterior bowing of the spine). Standing X-rays with flexion/extension are necessary to determine stability and alignment.
Dr. Corenman
Donald Corenman, MD, DC is a highly-regarded spine surgeon, considered an expert in the area of neck and back pain. Trained as both a Medical Doctor and Doctor of Chiropractic, Dr. Corenman earned academic appointments as Clinical Assistant Professor and Assistant Professor of Orthopaedic Surgery at the University of Colorado Health Sciences Center, and his research on spine surgery and rehabilitation has resulted in the publication of multiple peer-reviewed articles and two books.