. 2023 Mar 9;55(Suppl 1):E527–E528. doi: 10.1055/a-2037-5436
The Author(s). This is an open access article published by Thieme under
the terms of the Creative Commons Attribution-NonDerivative-NonCommercial License,
permitting copying and reproduction so long as the original work is given appropriate
credit. Contents may not be used for commercial purposes, or adapted, remixed, transformed
or built upon. (https://creativecommons.org/licenses/by-nc-nd/4.0/)
This is an open-access article distributed under the terms of the Creative Commons Attribution-NonCommercial-NoDerivatives License, which permits unrestricted reproduction and distribution, for non-commercial purposes only; and use and reproduction, but not distribution, of adapted material for non-commercial purposes only, provided the original work is properly cited.
Fig. 3 a.
The minor papilla was opened with a DualKnife. b The suspicious internal orifice was successfully found (white arrow).