Concurrent ankylosing spondylitis and myelodysplastic syndrome: A case report

Figure 1 The first and third bone marrow examinations. A: The first bone marrow examination showing single erythroid dysplasia without myeloblast; B: The third bone marrow examination revealing trilineage dysplasia and increased myeloblast (arrows).

Figure 2 Tc-99m bone scintigraphy imaging. It revealed increased radio-uptake in the T9-11, L4 vertebral, the right sacroiliac joint, and both knee joints.

Figure 3 X ray and computed tomography imaging. A: X ray of the pelvis showing unbilateral asymmetric sacroiliitis, grade 3 on the right side and grade 2 on the left side; B: Computed tomography demonstrating narrowing space of sacroiliac joints, erosion, and subchondral sclerosis on the right iliac side.

Figure 4 Curves of Hb and ESR levels before, during, and after treatment with etanercept, glucocorticoid, and transfusion. MP: Methylprednisolone; Pre: prednisone; ETA: Etanercept; Hb: Hemoglobin; ¹a: The patient self-discontinued etanercept and prednisone; ²a: Tapering to prednisone 25 mg daily; ³a: MP 40 mg daily for 10 d, be off for 24 d, then MP 20 mg daily for 8 d, tapering to prednisone 20 mg daily.