Fig. 1

Sagittal T2‐weighted cervical MR imaging of a patient. Pfirrmann classifications of the cervical discs were as follows: C2–3 was Grade 2, C3–4 was Grade 3, C4–5 was Grade 3, C5–6 was 4, C6–7 was Grade 5, and C7–T1 was Grade 2. The total Pfirrmann scores of the patient were 19. Likewise, the total Miyazaki scores = 1 + 2 + 3 + 3 + 4 + 1 = 14, total modified Thompson scores = 0 + 1 + 2 + 1 + 3 + 0 = 7, and the total Nakashima scores = 1 + 1 + 1 + 2 + 3 + 1 = 9