Tarlov Cyst
A cerebrospinal-fluid-filled dilation, or sac, in a spinal nerve root sheath that can cause symptoms due to nerve root compression.
Thecal Sac
Located in the spinal canal; it contains the cauda equina, cerebrospinal fluid and spinal cord.
Thoracic
The middle portion of the spine; there are 12 thoracic vertebrae.
TLIF
Transforaminal lumbar interbody fusion.
Transverse Process
The "wings" of the spine which are located posteriorly.
Tumors
An abnormal growth of tissue which causes bone destruction.