55-year-old female, follow-up L4 extraspinal lesionIMAGE ACQUISITIONS: Lumbar spine CT without contrast Soft tissue mass at the L4/L5 level is not well-visualized on this exam. If clinical concern remains, an MRI could be obtained for further evaluation.The alignment of the lumbar spine is anatomic. The vertebral body heights and disk spaces are preserved. There is minimal disc bulging with no mass effect upon the cord at L2/L3 and L3/L4. There is diffuse disc bulging at L4/L5 with narrowing of the neural foramina, left greater than right. At L5/S1 diffuse disc bulge is seen with no mass effect upon the cord.
1. previously seen left-sided soft tissue mass is not well-visualized on this study and can be further evaluated with MRI2. degenerative disc disease of the lumbar spine as described.