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. Author manuscript; available in PMC: 2012 Nov 1.
Published in final edited form as: Ann Biomed Eng. 2011 Aug 2;39(11):2823–2834. doi: 10.1007/s10439-011-0362-x

Figure 5.

Figure 5

Tracer distributions of Gd-DTPA-albumin in the spinal cord region after sciatic nerve CED into different rats. (Left column) Sagittal scans of the spinal cord region (V: ventral; D: dorsal; Cr: cranial; Cd: caudal). (Columns A–C) Transverse scans showing a caudal view at positions A–C. Arrows show various tissue distributions: (1, 6, & 9) in the CSF; (2) in nerve roots; (3 & 5) along the L4 nerve; (4) through the L5 nerve; (7 & 8) leakage into the surrounding tissue; (10) in the CSF and nerve roots. Rats #1–4 share a similar cannula insertion depth of 3.5–4 cm. MRI acquisition resolution: 0.2 mm × 0.2 mm × 1 mm per voxel; reconstructed image resolution: 0.1 mm × 0.1 mm × 1 mm per voxel.