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Query: UMLS:C0851184 (thinning)
 11,252 document(s) hit in 31,850,051 MEDLINE articles (0.00 seconds)

Lumbar facet joints are difficult to image with conventional radiographic techniques. A series of 100 consecutive cases of low back pain and sciatica was examined with CT. Abnormal facet joints were found in 65. Abnormalities demonstrated by CT included osteophyte formation, hypertrophy of articular processes, articular cartilage thinning, vacuum joint phenomenon, and calcification of the joint capsule. In patients with sciatic or low back pain, CT is indicated to demonstrate treatable abnormalities of the facet joints.
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PMID:Computed tomography of the lumbar facet joints. 735 May 94

Musculoskeletal symptoms in pear and apple orchard workers were studied in relation to working postures, particularly arm elevation and head extension. The same forty-six female workers were examined three times; in May while thinning pears, in June while bagging pears, and in July while bagging apples. Musculoskeletal symptoms in the neck and shoulders were predominant in thinning and bagging pears when compared with bagging apples. When thinning pears, there was a significantly higher prevalence of complaints of stiffness and pain in the neck and shoulders, pain in the upper and lower back, muscle tenderness in the shoulders and forearm, and decreased back muscle power. When bagging pears, there was a significant difference in complaints of stiffness and pain in the neck and shoulders, muscle tenderness in the shoulders, and pain in motion of the neck joint. Pear tasks require more arm elevation and head extension than apple tasks. The working postures of arm elevation and head extension were considered to be a dominant causative factor in shoulder-neck disorders of the workers examined. The low back pain from thinning pears may be related with continuous backward bending of the back associated with the thinning work.
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PMID:[Musculoskeletal symptoms and working postures in pear and apple orchard workers]. 827 91

The lumbar spine was assessed by magnetic resonance imaging (MRI) in 14 children (mean age 12.4 years) with unspecific activity-related low back pain for more than 3 weeks presenting with normal plain radiographs. Impending spondylolysis was diagnosed when typical signal abnormalities were confined to the pars interarticularis without signs of thinning or fragmentation. After brace treatment for 3 months, follow-up MRI was performed 3 and 6 months after treatment. MRI signals returned to normal after 3 months in six patients and after 6 months in one patient. MRI showed promising results in detecting and monitoring the early onset of spondylolysis. Bracing and avoiding strenuous activities prevented the formation of pars defects in all our patients.
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PMID:Magnetic resonance imaging in diagnosis and follow-up of impending spondylolysis in children and adolescents: early treatment may prevent pars defects. 1570 12

For patients with Marfan syndrome who present with radicular low back pain, interventional spine providers should be familiar with dural ectasia with variable diffuse thinning of the posterior wall of the lumbar spine and sacrum. Providers should carefully weigh the risks and benefits of offering elective procedures because altered anatomy may put these patients at higher risk of dural puncture. Patient selection is essential because hydrostatic pressures and/or neural tension should also be considered as potential pain generators that may not be relieved by steroid injections. Careful evaluation of recent magnetic resonance images and vigilant procedural technique is highly recommended.
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PMID:Interventional Spine Considerations for Dural Ectasia in a Patient With Marfan Syndrome. 2835 May 59