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Fig. 2D —32-year-old woman with clinical diagnosis of nonspecific
lower back pain suspected to originate from sacroiliac joints who underwent
combined diagnostic and interventional MRI of sacroiliac joints. Visual analog
scale (VAS) score was 7 on 11-point scale (0 = no pain, 10 = worst pain)
before diagnostic MRI. FLASH 2D MR sequence (9.3/3.5; slice thickness, 5 mm;
FOV, 36 cm; FOV phase, 75%; base resolution, 256; phase resolution, 56%;
bandwidth, 170 Hz; acquisition time, 1 second) for continuous MRI guidance
shows determination of skin entry points using syringe filled with
gadolinium-enhanced saline (arrowhead) and subsequent joint puncture
(arrows). Real-time imaging guided joint puncture, Figure S2F, can be
seen in the AJR electronic supplement to this article, available at
www.ajronline.org.
