Question:
Identify the X-ray HSG (hysterosalpingogram) shown below.
Identify the X-ray HSG (hysterosalpingogram) shown below.
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A single banana-shaped, laterally deviated cavity with only one tube filling.
Updated On: Jun 23, 2026
- Septate uterus
- Uterus didelphys
- Unicornuate uterus
- Bicornuate uterus
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Verified By Collegedunia
The Correct Option is C
Solution and Explanation
Step 1: On hysterosalpingography, contrast outlines the uterine cavity. The image shows a single, slender, banana-shaped or fusiform cavity deviated to one side with only one fallopian tube filling - the hallmark of a unicornuate uterus.
Step 2: A unicornuate uterus results from failure of development of one Mullerian (paramesonephric) duct, so only one horn forms. The single elongated cavity with one cornu and one tube is what is seen here.
Step 3: This separates it from the distractors. A septate or bicornuate uterus shows two cavities/horns (two tubes filling) with a midline indentation, and uterus didelphys shows two completely separate cavities and cervices. Each of these fills two horns, not one.
Step 4: Because only a single laterally placed horn with one tube is opacified, the correct diagnosis is unicornuate uterus, option c.
Step 2: A unicornuate uterus results from failure of development of one Mullerian (paramesonephric) duct, so only one horn forms. The single elongated cavity with one cornu and one tube is what is seen here.
Step 3: This separates it from the distractors. A septate or bicornuate uterus shows two cavities/horns (two tubes filling) with a midline indentation, and uterus didelphys shows two completely separate cavities and cervices. Each of these fills two horns, not one.
Step 4: Because only a single laterally placed horn with one tube is opacified, the correct diagnosis is unicornuate uterus, option c.
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