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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.
When symptomatic, they can cause pain and myelopathy by intra-spinal bleeding, bony expansion or extra-osseous extension into surround soft tissue or the posterior neural elements. [ 4 ] [ 6 ] [ 7 ] [ 8 ] Highly vascular (cavernous type) hemangiomas can produce neurologic deficits without prominent evidence of spinal cord compression.
After the conus medullaris (near lumbar vertebral levels 1 (L1) and 2 (L2), occasionally lower), the spinal canal contains a bundle of nerve fibers (the cauda equina or "horse-tail") that branches off the lower end of the spinal cord and contains the nerve roots from L1–L5 and S1–S5. The nerve roots from L4–S4 join in the sacral plexus ...
Dysfunction of the superior cluneal nerves lead to many different neuropathic symptoms such as burning pain, numbness, tingling, and dysesthesia around the low back and upper gluteal area. The most common symptoms are localized unilateral low back pain, though up to anywhere between 40 and 82% of patients may complain of leg symptoms – pain ...
T12 – Intersection of the midclavicular line and the midpoint of the inguinal ligament. L1 – Midway between the key sensory points for T12 and L2. [clarification needed] L2 – On the anterior medial thigh, at the midpoint of a line connecting the midpoint of the inguinal ligament and the medial epicondyle of the femur.
Conus medullaris syndrome is an injury to the end of the spinal cord the conus medullaris, located at about the T12–L2 vertebrae in adults. [30] This region contains the S4–S5 spinal segments, responsible for bowel, bladder, and some sexual functions, so these can be disrupted in this type of injury. [30]
Maigne, R. Low back pain of thoracolumbar origin (T11-T12-L1). In: Maigne, R., Second Edition: Diagnosis and Treatment of Pain of Vertebral Origin. Taylor and Francis Group, 2006:289–98. McCall IW, Park WH, O’Brien JP. Induced pain referral from posterior lumbar elements in normal subjects. Spine 1979;4441–6.
Neurologic signs result from severe angulation of the spine, narrowing of the spinal canal, instability of the spine, and luxation or fracture of the vertebrae. Signs include rear limb weakness or paralysis, urinary or fecal incontinence, and spinal pain. [5] Most cases of hemivertebrae have no or mild symptoms, so treatment is usually ...