Normal Tubes on Ultrasound – Fallopian tubes are on either side of the uterus attached to it near cornua and the other end is free located adjacent to ovaries.
It has interstitial, isthmic, ampullary, and fimbrial parts. The interstitial end is attached to the uterus and the fimbrial end is free.
Fallopian tubes vary in length from 7-12cm.
Normal tubes are usually not visualized by ultrasound.
If there is a tubal pathology like hydrosalpinx in which tubes are blocked with an accumulation of fluid in them, they can be visualized on USG.
Cervix as seen on USG with a clear layer of mucus in the cervical canal is a favorable sign reflecting the good level of estrogen production.
The presence of free fluid in the pelvic cavity also can make the tubes visible.
As tubes are not normally seen on ultrasound hysterosalpingography (HSG) or Hystrerosalpingo contrast sonography (HyCoSy) is used to know the tubal patency.
Tubes are assessed during a basic USG scan on 2 days or 9 days of the menstrual cycle.
Few cysts like Paraovarian, para tubal cysts (cysts of Morgagni) and those adjacent to uterus, vagina & superior to hymen like Gartner’s duct cyst can be seen on routine scan in some patients.
