Fig. 6

Postoperative follow-up radiological assessment. (A) Three-dimensional CT reconstruction illustrating partial resection of the L4/5 lamina. (B–E) Sagittal, coronal, and axial CT images demonstrating the complete excision of both intraspinal and extraforaminal cysts. (C, E) Sagittal and axial CT images depicting minimal bone removal from the right L5 superior articular process and its ventral aspect