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step-off sign |
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step-off sign Imaging A step-like central defect seen on multiple adjacent vertebral bodies, typical of sickle cell anemia, attributed to blood stasis and ischemia, which slows the growth of the vertebra's cartilaginous growth plate;
because the peripheral portion of the vertebral growth plate has a different blood supply, the vertebral body develops in a lop-sided–step-like fashion; the SOS has been described in Gaucher disease, and is attributed to recuperation of
peripheral growth after the vertebral body has collapsed How to thank TFD for its existence? Tell a friend about us, add a link to this page, add the site to iGoogle, or visit webmaster's page for free fun content. |
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