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. 2022 Nov 9;22:477. doi: 10.1186/s12903-022-02497-4

Fig. 3.

Fig. 3

Endoscopic findings in patients with spondyloarthritis. A Distal ileum, decrease in the size of the villi. B Digital chromoendoscopy (I-San 2), ileum ulcers with the loss of villi. C Digital chromoendoscopy (I-San 3), ileal ulcers with the loss of villi. D Digital chromoendoscopy (I-San 3) with magnification, denuded areas in the ileum with the loss of villi. E Digital chromoendoscopy (I-San 3) with magnification, attenuation of vascular pattern in colon with mild distortion of colonic crypts