case_images: PMC7591960_01
case_images: Intraoperative images: neo-vallecula before and after CO2 laser division. Images showing the intraoperative findings for patient 1. (a) A band of tissue, the neo-vallecula, is limiting a full view of the pharynx. (b) The band of tissue is retracted superiorly using a suction. (c) Intraoperative image of the band of tissue following CO2 laser division, demonstrating a widely patent pharynx.
case_images: CRIOT2020-4015201.001.jpg
case_images: PMC7591960_01_CRIOT2020-4015201.001.jpg
case_images: fig1
case_images: The intraoperative technique is shown in Figure 1.
case_images: PMC7591960_02
case_images: Patient 2 underwent preoperative and postoperative swallow studies. (a) A preoperative swallow study showing pooling of contrast within the neo-vallecular pouch (arrows). (b) A postoperative swallow study showing significant improvement, with most of the contrast making its way towards the esophageal inlet (arrows).
case_images: CRIOT2020-4015201.002.jpg
case_images: PMC7591960_02_CRIOT2020-4015201.002.jpg
case_images: fig2
case_images: After surgery, a swallow study demonstrated absence of the shelf-like tissue protrusion seen on the preoperative study (Figure 2).
case_images: PMC7591960_03