Obstetric imaging: hydatidiform mole: practice question

A Radiology question in the style of the NEET PG paper. Answer it first, then read why the right option is right and why each of the others is wrong.

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Radiology · Obstetric imaging: hydatidiform mole

Sample item

A woman at 10 weeks of amenorrhoea has hyperemesis, vaginal bleeding and a uterus larger than dates. Ultrasound shows a mass of multiple small cystic spaces filling the uterine cavity with no fetus. What is the sign?

AYolk sac with fetal poleBSnowstorm (bunch of grapes) appearance of complete moleCDouble decidual sac signDHourglass sign

Original practice item, not a recalled exam question. Nothing here is recorded.

The answer and the reasoning

B. Snowstorm (bunch of grapes) appearance of complete mole

A complete mole has diffuse vesicular swelling of the villi, giving a snowstorm pattern with no fetus, and high hCG. Theca lutein cysts may be present in the ovaries. Suction evacuation is the treatment.

Option by option

A. Yolk sac with fetal pole
A yolk sac with a fetal pole indicates a normal pregnancy.
B. Snowstorm (bunch of grapes) appearance of complete mole (correct)
Correct. A uterus filled with vesicles and no fetus is a complete mole.
C. Double decidual sac sign
The double decidual sign indicates an early normal intrauterine gestation.
D. Hourglass sign
The hourglass sign refers to membranes prolapsing through the cervix.

Source note: Original NextPrep sample item — pending expert review. This item is original practice material awaiting independent expert review, so confirm important facts in a standard textbook.

Questions about this Radiology question

What is the answer to this Radiology question?

The best answer is B, Snowstorm (bunch of grapes) appearance of complete mole. A complete mole has diffuse vesicular swelling of the villi, giving a snowstorm pattern with no fetus, and high hCG.

Why is "Yolk sac with fetal pole" not the answer?

A yolk sac with a fetal pole indicates a normal pregnancy.

Why is "Double decidual sac sign" not the answer?

The double decidual sign indicates an early normal intrauterine gestation.

Why is "Hourglass sign" not the answer?

The hourglass sign refers to membranes prolapsing through the cervix.

What concept does this question test?

It tests Obstetric imaging: hydatidiform mole in Radiology. Theca lutein cysts may be present in the ovaries. Suction evacuation is the treatment.

How hard is this question?

We tag it as an application question: it asks you to use a fact on a patient or a finding. The tag is our own editorial judgement, not an official difficulty rating, so read the reason for every option, not only the answer.

How should I study Obstetric imaging: hydatidiform mole?

Learn signs with the image, and the disease they point to. Then use the flashcards and the other Radiology questions on this site to test what stuck.

Is this a real NEET PG question?

No. It is an original practice item (editorial status: sample, version 1). NextPrep does not publish recalled or leaked questions, and independent faculty review of this item has not been completed yet, so confirm important facts in a standard textbook.