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Twelfth rib syndrome, also known as rib tip syndrome, is a painful condition that occurs as a result of highly mobile floating ribs.It commonly presents as pain that may be felt in the lower back or lower abdominal region as a result of the 11th or 12th mobile rib irritating the surrounding tissues and nervous systems.
The thoracic spinal nerve 12 (T12) is a spinal nerve of the thoracic segment. [1] It originates from the spinal column from below the thoracic vertebra 12 (T12).
Spinal column injury is trauma that causes fracture of the bone or instability of the ligaments in the spine; this can coexist with or cause injury to the spinal cord, but each injury can occur without the other. [23] Abnormalities might show up on magnetic resonance imaging (MRI), but the term was coined before MRI was in common use. [24]
[7] [6] The most common area affected is the lower thoracic and upper lumbar spine. [6] A CT scan is recommended as part of the diagnostic work-up to detect any potential abdominal injuries. [5] The fracture is often unstable. [1] Treatment may be conservative with the use of a brace or via surgery. [1] The fracture is currently rare. [7]
The number of vertebrae in a region can vary but overall the number remains the same. In a human spinal column, there are normally 33 vertebrae. [3] The upper 24 pre-sacral vertebrae are articulating and separated from each other by intervertebral discs, and the lower nine are fused in adults, five in the sacrum and four in the coccyx, or tailbone.
Posterior ramus syndrome, also referred to as thoracolumbar junction syndrome, Maigne syndrome and dorsal ramus syndrome is caused by the unexplained activation of the primary division of a posterior ramus of a spinal nerve (dorsal ramus of spinal nerve). This nerve irritation causes referred pain in a well described tri-branched pattern. The ...
In other animals the number of thoracic vertebrae can vary greatly; [2] for example, most marsupials have 13, but koalas have only 11. [ 3 ] 12 to 15 is common among mammals , with 18 to 20 in horses , tapirs , rhinoceroses , and elephants , and extremes in mammals are marked by certain sloths with 25 and cetaceans with 9.
Tethered spinal cord syndrome may go undiagnosed until adulthood, when sensory, motor, bowel, and bladder control issues emerge. This delayed presentation of symptoms relates to the degree of strain on the spinal cord over time. [5] Tethering may also develop after spinal cord injury. Scar tissue can block the flow of fluids around the spinal cord.