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Baastrup's sign

Field	Value
name	Baastrup's sign
synonyms	Kissing spine
image	Image:Gray90.png
caption	A diagram of a human vertebral body. With Baastrup's sign, the posterior spinous process, pointing down and to the left, is abnormally thickened due to repetitive microtrauma.

Baastrup's sign is an orthopedic and radiographic disorder that often occurs in elderly humans. It is characterized by enlargement of the posterior spinous processes of the lumbar spine, with normal intervertebral disc height and neuroforamina. The reason it is referred to as kissing spine is because the posterior spinous processes 'kiss' and touch one another as the individual goes into lumbar extension, for example when flat on their stomach. The condition has been seen in humans, canines, particularly with boxer breeds, and certain breeds of horses. This disorder is named after Christian Ingerslev Baastrup.

Diagnosis

The salient feature of the disorder is the exuberant osteophytosis that occurs at posterior lumbar spinous processes. Osteophytes are coarse calcifications at the edges of bone that form due to repetitive stress and trauma. There is also atrophy and fatty replacement of paraspinal musculature, which can be detected by CT or MRI.

Treatment

The malpositioning seen on radiography may not cause any symptoms at all. If there are related symptoms, however, therapeutic options include chiropractic care, physical therapy and nerve block injections. As a last resort, decompressive laminectomy may be attempted to relieve pain symptoms and remove the abnormally enlarged portions of bone.

References

"Who named it - Baastrup's sign".
(2008). "Baastrup's disease (kissing spine) demonstrated by FDG PET/CT". Skeletal Radiology.
"Medical Dictionary Online - Baastrup's".
"Horse and Hound: Explaining kissing spines".
(2001). "Baastrup's disease correlating with diffuse lumbar paraspinal atrophy: a case report". Archives of Physical Medicine and Rehabilitation.
"Baastrup's Disease - General Practice Notebook".

Info: Wikipedia Source

This article was imported from Wikipedia and is available under the Creative Commons Attribution-ShareAlike 4.0 License. Content has been adapted to SurfDoc format. Original contributors can be found on the article history page.

skeletal-disorders

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