Spine Secrets

Disorders of the sacroiliac joint

Background 1 Why has the sacroiliac joint historically been neglected as part of the history, physical examination, and diagnostic workup of low back pain? As sacroiliac joint (SIJ) pain presents with symptoms similar to hip and lumbar spine pathology, the…

Lumbar spinal stenosis

1 What is lumbar spinal stenosis? Lumbar spinal stenosis is defined as any type of narrowing of the spinal canal, nerve root canals, or intervertebral foramen. This narrowing can be caused by soft tissue, bone, or a combination of both.…

Discogenic low back pain

1 Define lumbar disc degeneration. Lumbar disc degeneration has been defined by the North American Spine Society Consensus Committee on Nomenclature in terms of morphologic changes involving the anatomic components of the lumbar disc. These changes may include: Desiccation, fibrosis,…

Lumbar disc herniation

1 Describe the prevalence and natural history of lumbar disc herniation. contrast the prevalence and natural history of lumbar disc herniation and low back pain. The lifetime prevalence of a symptomatic lumbar disc herniation in the adult population is approximately…

Thoracic disc herniation and stenosis

1 Is thoracic disc herniation a common clinical problem? No. The incidence of symptomatic thoracic disc herniation has been reported as 1 per million patients. It is estimated that 0.15%–4% of all symptomatic disc protrusions occur in the thoracic spine.…

Cervical degenerative disorders

1 Define cervical spondylosis. how does this condition present in clinical practice? Cervical spondylosis is a nonspecific term that refers to age-related degenerative changes within the cervical spinal column. The degenerative process can affect the intervertebral discs, facet joints, uncovertebral…

Pediatric spinal trauma

General considerations 1 Why is it important to consider the normal growth and development of the spine when evaluating a child with a suspected spinal injury? Knowledge of the developmental anatomy of the spine is important to avoid misdiagnosis of…

Spondylolysis and spondylolisthesis in pediatric patients

Definitions 1 Define spondylolysis. Spondylolysis is a unilateral or bilateral defect in the region of the pars interarticularis that may or may not be accompanied by vertebral displacement. The origin of the term spondylolysis is from the Greek words spondylo…

Sagittal plane deformities in pediatric patients

Background 1 Describe how sagittal plane alignment of the cervical, thoracic, and lumbar spine changes from birth to adulthood. The sagittal alignment of the spine is dynamic and changes with age. In newborns the spinal column possesses a single C-shaped…