Painless salpingography

(1) The fallopian tube is completely unobstructed: the liquid is completely injected through the catheter, there is no resistance when the liquid is injected, and the liquid does not return. Immediately after the injection, fluid was leaked from the uterine horns, and it quickly moved to both sides, showing a band-like echo. If a small amount of air is injected, it can be seen that the air bubbles show bright light spots that move quickly from the palace angle to the sides and echo at the far end in a jet-like airflow. The fluid that accumulates in the uterine rectal fossa has an arc-shaped echoless area. (2) Bilateral fallopian tube obstruction: fluid accumulation in the uterine cavity can be seen during the injection, the uterine cavity widens, the vesicles of the intrauterine catheter are deformed after being squeezed, and some are even squeezed out of the uterine cavity. There was no fluid spillage from the uterine horns and no liquid sound image from the uterine rectal fossa. The liquid should be pressurized during injection. After stopping the pressurization, all the liquid will flow back into the syringe. (3) The bilateral fallopian tubes are unobstructed: there is resistance during the injection, and the liquid can be injected after the pressure is applied. When the pressure is stopped, a small amount of liquid flows back into the syringe, but the liquid can still be injected under pressure 2 / 3 or more. The flow of fluid or airflow from the uterine horn is slow and sometimes cannot be clearly observed. Thickened light bands can be seen at the fallopian tube. Liquid dark areas around the rectum fossa or uterus are present, but not as exact as when the fallopian tube is unobstructed. The above situation is not very clear in clinical operation.

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