Altemeier perineal rectosigmoidectomy with indocyanine green fluorescence imaging for a female adolescent with complete rectal prolapse: A case report

Figure 4 Intraoperative indocyanine green fluorescence imaging. A: The proximal rectum (arrowhead) was pulled out through the anus [before indocyanine green (ICG) administration]; B: ICG fluorescence imaging of the proximal rectum (arrowhead), showing a visible blood supply to the rectum. The rectum was transected on the line with good blood flow (arrow); C: Completion of the Altemeier operation.