Table 2 MRIs findings of the lesions in cervical ligamentum flavum
Case | Morphology | Affected levels | Acute on chronic phenomenon | Retro-odontoid mass |
|---|---|---|---|---|
1 | Nodular | C3–4, C4–5, C5–6, C6–7 | Present | Present |
2 | Nodular | C5–6, C6–7 | Absent | Absent |
3 | Nodular | C5–6 | Present | Present |
4 | Nodular | C3–4, C7-T1 | Present | Absent |
5 | Nodular | C3–4, C4–5 | Absent | Present |
6 | Nodular | C2–3, C6–7 | Present | Present |
7 | Nodular | C1–2, C2–3, C3–4 | Absent | Present |
8 | Nodular | C2–3, C3–4, C4–5 | Present | Present |
9 | Nodular | C3–4, C4–5 | Present | Present |
10 | Nodular | C3–4, C4–5, C5–6, C6–7 | Present | Absent |
11 | Nodular | C4–5, C5–6 | Absent | Absent |
12 | Nodular | C4–5, C5–6, C6–7 | Absent | Present |
13 | Nodular | C2–3 | Absent | Absent |
14 | Nodular | C2–3, C3–4 | Absent | Present |
15 | Nodular | C5–6, C6–7 | Absent | Present |
16 | Nodular | C4–5, C5–6, C6–7 | Absent | Present |
17 | Nodular | C4–5, C5–6 | Present | Present |
18 | Nodular | C5–6 | Absent | Present |