Article Figures & Data
Figures
- Figure 1
Intraoperative photographs (A)–(E) and cross-section schematic representation (a)–(e) of myovascular preserving open-door laminoplasty. (A), (a) Retracting the apex of the spinous processes; arrow: spinous process tips at C4, C5, and C6. (B), (b) The spinous process is cut longitudinally by a 2-mm diamond shaped drill, the spinous processes are removed at the spinolaminar junction and retracted bilaterally with the muscles attached; arrow: cortical bone of the spinous processes; arrowhead: cross-section of the base of the spinous processes. (C), (c) The surface of the lateral part of the lamina is exposed by retracting of the split spinous process together with the attached semispinalis cervicis and multifidus muscles. (D), (d) The miniplate is anchored to the opened lamina by 2 5-mm miniscrews and anchored to the lateral mass by 2 5-mm miniscrews. (E), (e) The spinous process with muscles attached is reconstructed by suturing.
- Figure 2
Analysis of posterior cervical muscle fat infiltration rate. Cervical cross-section computed tomography images were analyzed using AZE VirtualPlace. Fat in the posterior cervical muscles is labeled in blue. Posterior cervical muscle fat infiltration proportion (%) = (cross-sectional area of posterior cervical intramuscular fat [blue]/cross-sectional area of posterior neck muscle [dotted line]) × 100.
- Figure 3
C4-6 myovascular preserving open-door laminoplasty postoperative three-dimensional computed tomography image. (A) posteroanteriorimage; (B) lateral view. A plate is placed on C5. Spinous processes that had been split also remained in the center and remained bone.
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