Table 4 Magnetic resonance imaging (MRI) and computed tomography (CT) findings
From: Clinical and imaging characteristics in patients undergoing surgery for lumbar epidural lipomatosis
Level | Number of total cases | Shape of the dural sac on MRI | Saucerization on CT | |||
|---|---|---|---|---|---|---|
Circular | Square stellate | “Y-sign” | laminae | Posterior vertebral body | ||
L2 | 7 | 6 | 1 | 0 | 0 | |
L2–3 | 7 | 6 | 1 | 0 | 0 | |
L3 | 15 | 10 | 5 | 0 | 0 | |
L3–4 | 15 | 9 | 6 | 0 | 3 | |
L4 | 16 | 5 | 10 | 0 | 6 | |
L4–5 | 16 | 3 | 13 | 0 | 12 | |
L5 | 16 | 8 | 8 | 0 | 0 | |
L5-S1 | 10 | 0 | 2 | 8 | 10 | |