Sagittal T2 WI of the LSS shows diffuse low‐signal intensity of the bone marrow of LSS (known case of thalassemia major) with well‐defined mass of the same signal intensity (5.3 x 3 cm) in presacral region (blue arrow) and another similar smaller mass (2 × 1 cm) in anterior extradural space posterior to S1 level (Blue arrow)