Question:

What is the modality of this test? [An X-ray image of the pelvis showing contrast dye outlining the uterine cavity and fallopian tubes is shown.]

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The image is an X-ray showing contrast outlining the uterus and fallopian tubes.
Updated On: Jun 23, 2026
  • Hysterosalpingography
  • Laparoscopy
  • Hysteroscopy
  • Saline infusion sonography
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The Correct Option is A

Solution and Explanation

Step 1: Identify the imaging modality shown.
The image shows an X-ray (radiograph) of the pelvis with contrast dye outlining the uterine cavity and extending into the fallopian tubes. This is characteristic of Hysterosalpingography (HSG).

Step 2: Define Hysterosalpingography (HSG).
HSG is a radiologic (fluoroscopic/X-ray) procedure in which radio-opaque contrast dye is injected through the cervix into the uterine cavity and fallopian tubes. It assesses:
- Shape and contour of the uterine cavity (detects polyps, fibroids, septa, Asherman's syndrome)
- Patency of the fallopian tubes (contrast spills into the peritoneal cavity if the tubes are patent)

Step 3: Differentiate from other options.
- Laparoscopy: surgical procedure with a camera inserted through the abdomen; not an X-ray image.
- Hysteroscopy: direct visualization of the uterine cavity with a hysteroscope; no X-ray image produced.
- Saline infusion sonography (SIS): uses ultrasound with saline, not X-ray contrast.

Step 4: Conclusion.
The image represents HSG (Hysterosalpingography).
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