Back pain, history of psoriasis BONE MARROW: Diffuse intermediate signal on T1 sequence is seen throughout the pelvis and lower lumbar spine.SOFT TISSUES: No significant abnormality noted. JOINTS: No significant abnormality noted.ADDITIONAL
Normal appearance of the sacroiliac joints. Diffuse intermediate signal of the osseous pelvis and lumbar spine likely relate to hematopoetic marrow reconversion.