“…[7,8] In fact, patients presenting to the emergency department with isolated low back pain rarely require urgent or emergent neurosurgical intervention,[11,14,31] yet there is a myriad of CES causes that can present with subacute or vague pain and symptomatology. Some well-documented etiologies include lesions such as intracanalicular hemorrhages,[12,25] tumors,[26,44,48] cysts,[37,53] lipomatosis,[52] infection,[1] and even perineural spread of endometriosis. [46] Moreover, inflammatory and degenerative conditions that lead to stenosis such as ankylosing spondylitis,[29] Paget’s disease,[39] osteoporotic stress fracture,[38] and hypertrophic degenerative stenosis[24] have also been well recognized in literature.…”