FIG 2. Case 2: 16-year-old boy with left leg pain for 1 year.

A and B, Sagittal MR images show a well-defined ovoid extradural mass (arrow) with intermediate signal intensity on T1-weighted (500/15/3) image (A) and high signal intensity on T2-weighted (5000/90/2) image (B).

C, Transverse T1-weighted (660/15/3) image through L5 level confirms the location of the left ventrolateral extradural mass (arrow). At surgery, a cavernous hemangioma was found and resected.