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Saline infusion sonohysterography (SIS) is a variety of pelvic ultrasound where a small volume of saline is instilled into the uterine cavity to allow clearer visualisation of the endometrial lining.
The procedure is carried out with the patient in the lithotomy position with a speculum in the vagina to allow cannulation of the cervix with a small flexible plastic catheter (HyCoSy). On insertion of the catheter, the speculum is removed and, with the catheter in place, the transvaginal ultrasound probe is inserted.
SIS is a good test to assess the endometrium for those patients who
A negative pregnancy test for those appropriate patients.
There is a very small risk of endometrial infection post procedure.
Hysteroscopy and curettage may provide similar and/or complementary information to SIS. This may be combined with cervical dilatation if the cervical canal is very tight. The examination should be scheduled day 2–3 after the end of the last period.
Page last modified on 31/8/2018.
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RANZCR® intends by this statement to exclude liability for any such opinions, advices or information. The content of this publication is not intended as a substitute for medical advice. It is designed to support, not replace, the relationship that exists between a patient and his/her doctor. Some of the tests and procedures included in this publication may not be available at all radiology providers.
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