PMC9805644_01
(a) Preoperative magnetic resonance imaging (MRI) spine T2-weighted images showing L4-L5 intervertebral disc protrusion, sagittal T2 image (a). (b) Preoperative MRI spine T2-weighted images showing L4-L5 intervertebral disc protrusion, axial T2, image (b).
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F1
A 21-year-old rugby player underwent an uncomplicated discectomy at the L4/5 level [Figure 1].
Magnetic resonance imaging spine T2-weighted images show discal cyst at L4-L5 level, (a) sagittal images show discal cyst (see arrow) at L4-5 level, (b) coronal images show discal cyst (see arrow) at L4-5 level, and (c) sagittal images.
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F2
The repeat MR showed an annular cyst at the site of his previous discectomy [Figure 2].