FIG 1. Unilateral AFP and transient urinary retention in 18-month-old girl with lumbosacral radiculomyelitis.

A, Contrast-enhanced axial T1-weighted image (752/15/1) at L1 level shows strong enhancement of the left ventral root (arrowhead) and mild enhancement of the left anterior horn cells (arrow) of the sacral cord.

B, Left anterior horn lesion (arrow) is inconspicuous on gradient-echo T2-weighted image (808/18/20).