Sonosalpingography (SSG), also known as Sion test, is a diagnostic procedure primarily used for evaluating patency of

fallopian tubes The fallopian tubes, also known as uterine tubes, oviducts or salpinges (singular salpinx), are paired tubes in the human female that stretch from the uterus to the ovaries. The fallopian tubes are part of the female reproductive system. In ot ...

. It was introduced as a screening procedure for

infertility Infertility is the inability of a person, animal or plant to reproduce by natural means. It is usually not the natural state of a healthy adult, except notably among certain eusocial species (mostly haplodiploid insects). It is the normal state ...

investigations. It is becoming more popular among practitioners due to absence of side effects.

Procedure

Under

ultrasound Ultrasound is sound waves with frequency, frequencies higher than the upper audible limit of human hearing range, hearing. Ultrasound is not different from "normal" (audible) sound in its physical properties, except that humans cannot hea ...

scanning, a slow and deliberate injection of about 200 ml physiologic saline into the uterine cavity is accomplished via Foley catheter. An inflated bulb of the catheter prevents leakage of fluid outside uterine cavity. By visualizing the flow of saline along the tube and observing it as a shower at fimbrial end, tubal patency can be tested. Presence of free fluid in pouch of Douglas also confirms tubal patency.

Uses

* For detecting patency of fallopian tube * Detection of submucous fibroid polyp * Detection of some intrauterine lesions * Part of infertility investigations * Investigation of amenorrhea, especially in

Asherman's syndrome Asherman's syndrome (AS) is an acquired uterine condition that occurs when scar tissue (adhesions) forms inside the uterus and/or the cervix. It is characterized by variable scarring inside the uterine cavity, where in many cases the front and bac ...

* Investigating repeat pregnancy losses for uterine anomalies

Eponym

The term 'Sion test' was popularized by Gautam Allahbadia after the popular government hospital in Sion,

Lokmanya Tilak Municipal General Hospital Lokmanya Tilak Municipal Medical College and General Hospital is a full-fledged Government medical college located in Mumbai, Maharashtra. The college imparts the degree Bachelor of Medicine and Bachelor of Surgery (MBBS). It is recognised by ...

, locally known as 'Sion hospital', where he invented the test.

References

{{reflist, 2 Diagnostic medical imaging Diagnostic obstetrics and gynaecology Gynaecology Infertility

Procedure

Uses

Eponym

See also

References