Palpable mass along right sacroiliac joint with cordlike structure on ultrasound that is associated pain radiating in the leg. MRI to provide further delineation. A marker placed was placed on the skin of the lower back to the right of midline just above the right sacroiliac joint.We see no mass or other abnormality deep to the marker. The musculature and soft tissues appear normal. The bones appear normal. We see no enhancement of the sacroiliac joints or hips to indicate synovitis.
No mass or other findings to account for the patient's pain. 