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Table 1 Created from the Borre et al. [2] classification system

From: Spinal epidural lipomatosis presenting to a U.S. Veterans Affairs pain and rehabilitation department: a report of two cases

 

Grade I

Grade II

Grade III

Dural Sac Diameter ÷ Epidural Fat Diameter

1.49–1

0.99–0.34

≤0.33

Epidural Fat Diameter ÷ Spinal Canal Diameter

41–50%

51–74%

≥75%