case_images: PMC4392534_01
case_images: Lumbar MRI Case 1: L2-L3 Epidural Hematoma (Arrow) (a) Axial plane at L2-L3. (b) Sagittal plane
case_images: SNI-6-48-g001.jpg
case_images: PMC4392534_01_SNI-6-48-g001.jpg
case_images: F1
case_images: At surgery (hemilaminectomy), this proved to be an epidural hematoma [Figure 1]; within 2 postoperative weeks, she recovered completely.
case_images: PMC4392534_02
case_images: Lumbar MRI Case 2: S1-root neurilemoma (Arrow) (a) Axial plane at S1-level. (b) Sagittal plane
case_images: SNI-6-48-g002.jpg
case_images: PMC4392534_02_SNI-6-48-g002.jpg
case_images: F2
case_images: S1 nerve root with high suspicion for tumor [Figure 2]. She underwent a surgical excision of an S1-root neurilemoma and attained complete pain relief postoperatively, with return of neurological function.
case_images: PMC4392534_03
case_images: Lumbar MRI Case 3: Sacral metastasis from lung cancer. (a) Axial plane at S1-level (b) Sagittal plane
case_images: SNI-6-48-g003.jpg
case_images: PMC4392534_03_SNI-6-48-g003.jpg
case_images: F3
case_images: A lumbar MRI revealed a large sacral mass, impinging on the left S1 nerve root [Figure 3] and infiltrating into nearby muscle and into both the S1 and S2 neural foramina.