Application of novel magnified single balloon enteroscopy for a patient with Cronkhite-Canada syndrome

Figure 3 Trans-oral single balloon enteroscopy (jejunum) and histopathological findings. A: White light observation demonstrated scattered white spots and reddening; B: Magnified observation under white light demonstrated scattered white spots (black arrows) as well as irregular caliber of the loop-like capillaries; C: Underwater magnifying enteroscopy demonstrated elongated villi and fine granular structures at the tips of villi (white arrowheads); D: Histopathological findings demonstrated twisted crypts and interstitial edema.