Chemical Engineer Employment & Salaries. As of 2014, the US Department of Labor estimated there were 34,300 chemical engineers in the United States. At the time of the survey, the average hourly wage for a chemical engineer was $46.81 per hour. The median annual salary for a chemical engineer was $97,360 as of 2015.
Symptoms of Spinal Cysts. Patients with a spinal cyst may not experience any symptoms if the cyst remains small and stable. As the cyst progresses and becomes more severe, it may cause pain in the back that travels down the legs as well, and can also lead to spinal stenosis, which may cause pain, cramping and numbness.
A fracture of the thoracic or lumbar spine causes moderate to severe back pain that is worsened with movement. If the spinal cord is involved, the patient may experience bowel/bladder dysfunction along with numbness, tingling, or weakness in the limbs.here are different types of spinal fractures. Doctors classify fractures of the thoracic and lumbar spine based upon the specific pattern of the fracture and whether there is a spinal cord injury.