Evaluating Fallopian Tube Patency: What the Radiologist Needs to Know

Maria Grigovich, Vidhi S. Kacharia, Nishat Bharwani, A P Hemingway, Velja Mijatovic, Shuchi K. Rodgers
Radiographics : a review publication of the Radiological Society of North America, Inc · 2021 · vol. 41(6) , pp. 1876–18961 · doi:10.1148/rg.2021210033 · PMID:34597232 · W3204742831
Review OA: closed CC0 ⤵ 3 in-corpus citations
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This review outlines key imaging techniques and findings for evaluating fallopian tube patency, emphasizing the radiologist's role in diagnosing infertility and related conditions.

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Abstract

Impaired tubal patency accounts for up to 35% of cases of subfertility and infertility. Hysterosalpingography (HSG) or hysterosalpingo-contrast sonography (HyCoSy) represents a first-line test in evaluating fallopian tube patency. Despite the association of HSG with ionizing radiation, HSG is a reference standard in assessing fallopian tube patency and tubal conditions such as tubal occlusion, salpingitis isthmica nodosa, and hydrosalpinx. HSG is widely available and utilizes either a water-soluble contrast medium (WSCM) or an oil-soluble contrast medium (OSCM). Compared with WSCM, HSG with OSCM results in a higher incidence of non-in vitro fertilization pregnancies and, therefore, may be preferred in women younger than 38 years with unexplained subfertility. HSG may also be helpful in assessment after sterilization or before fallopian tube recanalization. US-based tubal tests are free of ionizing radiation and include HyCoSy, with either air-saline or microbubble US contrast material, and hysterosalpingo-foam sonography (HyFoSy), a tubal patency test that utilizes a gel foam. A comprehensive US infertility evaluation of the pelvis and fallopian tubes can be achieved in one setting by adding coronal three-dimensional imaging of the uterus, saline infusion sonohysterography, and HyCoSy or HyFoSy to routine pelvic US. MR HSG and virtual CT HSG also depict tubal patency and uterine and adnexal pathologic conditions and may be considered in select patients. While laparoscopic chromopertubation remains the standard for tubal patency evaluation, its disadvantages are its invasiveness and cost. Knowledge of the different fallopian tube tests and radiologic appearance of normal and abnormal fallopian tubes results in fewer pitfalls, accurate interpretation, and optimal patient care. Online supplemental material is available for this article. ©RSNA, 2021.

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MeSH descriptors

Fallopian Tubes Fallopian Tubes Fallopian Tubes Infertility, Female Infertility, Female Infertility, Female Contrast Media Contrast Media Fallopian Tube Patency Tests Fallopian Tube Patency Tests Female Female Humans Humans Hysterosalpingography Hysterosalpingography Pregnancy Pregnancy Radiologists Radiologists

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