PMC10233404_01
Submucosal ridge.
fphys-14-1073241-g001.jpg
PMC10233404_01_fphys-14-1073241-g001.jpg
F1
A EUS reexamination revealed that a submucosal mass emerged from the third and fourth layers of intestinal tissue with a size of 13.1 x 8.2 mm and was found at 10 cm above the anus, which was a low echo cluster but with a high echo inside. (Figures 1, 2).
Ultrasonic image of ridge.
fphys-14-1073241-g002.jpg
PMC10233404_01_fphys-14-1073241-g002.jpg
F2
A EUS reexamination revealed that a submucosal mass emerged from the third and fourth layers of intestinal tissue with a size of 13.1 x 8.2 mm and was found at 10 cm above the anus, which was a low echo cluster but with a high echo inside. (Figures 1, 2).
Incision after submucosal injection.
fphys-14-1073241-g003.jpg
PMC10233404_01_fphys-14-1073241-g003.jpg
F3
After the submucosal injection of a mixture of normal saline and methylene blue, a yellowish-white mass was observed upon cutting the mucosa (Figure 3).
Lesion dissection.
fphys-14-1073241-g004.jpg
PMC10233404_01_fphys-14-1073241-g004.jpg
F4
The mass was gradually and completely stripped with a DualKnife (Figures 4, 5), and the wound was sutured with tissue clips (Figure 6).
Complete dissection of lesion.
fphys-14-1073241-g005.jpg
PMC10233404_01_fphys-14-1073241-g005.jpg
F5
The mass was gradually and completely stripped with a DualKnife (Figures 4, 5), and the wound was sutured with tissue clips (Figure 6).
After wound tissue clipping.
fphys-14-1073241-g006.jpg
PMC10233404_01_fphys-14-1073241-g006.jpg
F6
The mass was gradually and completely stripped with a DualKnife (Figures 4, 5), and the wound was sutured with tissue clips (Figure 6).
Lesion.
fphys-14-1073241-g007.jpg
PMC10233404_01_fphys-14-1073241-g007.jpg
F7
The size of the removed mass was 9 x 15 mm (Figure 7).
Wound re-examination image.
fphys-14-1073241-g008.jpg
PMC10233404_01_fphys-14-1073241-g008.jpg
F8
Two months later, the results of an abdominal and pelvic computed tomography (CT) enhanced scan and colonoscopy performed in another hospital confirmed that the wound had healed (Figure 8), with no recurrence of the lesion.