M48.05

Clinical Causes: Degenerative changes in the spine due to aging Herniated discs or bulging discs that encroach on the spinal canal Thickening of ligaments within the spine (ligamentum flavum hypertrophy) Bone spurs stemming from osteoarthritis Previous spinal injuries or surgeries that alter spinal structure Congenital abnormalities leading to narrowed spinal canal Tumors or cysts pressing on the spinal cord or nerves

Key Symptoms: Back pain or discomfort in the thoracolumbar region Numbness or tingling sensation in the legs or feet Weakness in the lower limbs Difficulty walking or maintaining balance Loss of coordination or gait problems In severe cases, bladder or bowel dysfunction

Diagnosis Path: Diagnosing thoracolumbar spinal stenosis involves a combination of medical history review and physical examination, focusing on neurological function. Imaging studies are crucial for confirmation and include: - Magnetic Resonance Imaging (MRI): Provides detailed images of soft tissues, nerves, and discs to visualize the narrowing of the spinal canal. - Computed Tomography (CT) scan: Offers detailed bone structure images, helpful in assessing bony causes of stenosis. - Myelography: An imaging procedure involving contrast dye to evaluate the spinal cord and nerve roots when MRI is contraindicated. Additional assessments such as nerve conduction studies may be utilized if nerve damage is suspected.

Treatment Protocols: Management options for thoracolumbar spinal stenosis vary depending on severity and symptomatology. Conservative approaches include: - Physical therapy: Exercises to strengthen back muscles and improve flexibility. - Medications: Nonsteroidal anti-inflammatory drugs (NSAIDs), pain relievers, and muscle relaxants. - Epidural steroid injections: To reduce inflammation and alleviate pain. In cases where conservative treatment does not provide relief or progression of neurological deficits occurs, surgical options may be considered, such as: - Decompression surgery: Removing parts of the bone or tissue encroaching on the nerves. - Laminectomy: Removal of the lamina to create more space in the spinal canal. - Spinal fusion: Stabilizing the spine if necessary, especially when instability is present. Postoperative rehabilitation aims to restore mobility and strengthen the spine to prevent further issues.