case_images: PMC9935794_01
case_images: Radiographic images at first visit: (a) T2WI MRI image of the neck, (b) cervical X-ray, and (c) 99mTc-HMDP scintigraphy, ventral view (A) and dorsal view (B). Significant accumulation in the wrists, knees and sternoclavicular joints is shown.
case_images: CRIRH2023-6005531.001.jpg
case_images: PMC9935794_01_CRIRH2023-6005531.001.jpg
case_images: fig1
case_images: Before his visit to us, he was referred to our department of neurology for cervical chord lesions detected incidentally by MRI (Figure 1(a)). On the radiographic image, the third to fifth cervical bones were assimilated (Figure 1(b)) while an MRI of the sacroiliac (SI) joint was almost normal. 99mTc-HMDP bone scintigraphy showed accumulation in the wrists, knees, and sternoclavicular joints (Figure 1(c)).
case_images: Changes over time in BASDAI and CRP during the therapy with Brodalumab. At 0 weeks, subcutaneous injection of Brodalumab 210 mg was initiated (arrow) and repeated weekly for two weeks. After loading, it was maintained by injection every two weeks.
case_images: CRIRH2023-6005531.002.jpg
case_images: PMC9935794_01_CRIRH2023-6005531.002.jpg
case_images: fig2
case_images: BASDAI and CRP improved from 5.1 to 2.3 mg/dl before treatment to 1.3 and 0.2 mg/dl respectively at four weeks after treatment (Figure 2).