Astrocytoma Tumors Brain tumors may arise primarily from brain cells such as astrocytes or neurons (known as primary brain tumors) or spread to the brain from other parts of the body (known as metastatic brain tumors). Glia are the most common form of brain…
A brain tumor, known as an intracranial tumor, is an abnormal mass of tissue in which cells grow and multiply uncontrollably, seemingly unchecked by the mechanisms that control normal cells. More than 150 different brain tumors have been documented, but…
Traumatic Brain Injury A traumatic brain injury (TBI) is defined as a blow to the head or a penetrating head injury that disrupts the normal function of the brain. TBI can result when the head suddenly and violently hits an…
Concussion A concussion is an injury to the brain that results in temporary loss of normal brain function. It usually is caused by a blow to the head. In many cases, there are no external signs of head trauma. Many…
Cushing’s Syndrome/Disease Cushing's syndrome is a disorder caused by the body’s exposure to an excess of the hormone cortisol. Cortisol affects all tissues and organs in the body. These effects together are known as Cushing's syndrome. Cushing’s syndrome can be caused…
Adult-onset Hydrocephalus The term hydrocephalus is derived from two words: "Hydro," meaning water, and "Cephalus," referring to the head. Hydrocephalus is a condition in which excess cerebrospinal fluid (CSF) builds up within the ventricles (fluid-containing cavities) of the brain and may increase pressure within…
Tarlov cysts are fluid-filled nerve root cysts found most commonly at the sacral level of the spine – the vertebrae at the base of the spine. These cysts typically occur along the posterior nerve roots. Cysts can be valved or…
A spinal tumor is an abnormal mass of tissue within or surrounding the cord and/or spinal column. These cells grow and multiply uncontrollably, seemingly unchecked by the mechanisms that control normal cells. Spinal tumors can be benign (non-cancerous) or malignant (cancerous). Primary tumors originate in the spine or…
Spinal pain in the lumbar region (lower back) and cervical region (neck) are highly prevalent and are often the causes for many lost work days. Lumbar muscle strains and sprains are the most common causes of low back pain. The thoracic spine can also be a site of…
Spinal infections can be classified by the anatomical location involved: the vertebral column, intervertebral disc space, the spinal canal and adjacent soft tissues. Infection may be caused by bacteria or fungal organisms, and can occur after surgery. Most postoperative infections…