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T2W image showing L4-L5 prolapsed intervertebral disc.
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MRI of the lumbosacral spine revealed L4-L5 large central herniation, which was causing distortion of the dural sac and cauda equina roots. (Fig. 1, Fig. 2).
T2W axial (prone position) did not show hydrocephalus.
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An MRI brain had ruled out hydrocephalus and Chiari malformation (Fig. 3, Fig. 4).
Sagittal section T2W image showing communication of the pseudomeningocele with thecal sac.
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T1 weighted images and hyperintense on T2 weighted images. There was a clear communication with the dural sac along the tract through which the discectomy was performed (Fig. 5, Fig. 6).
axial section T2W image showing the communication of the pseudomeningocele along the discectomy tract. (Prone position).
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Intraoperatively, large pseudomeningocele was present in fat layers with extension upto root sleeve level as depicted in axial MRI (Fig. 6).