Gynaecological imaging: adenomyosis: 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 · Gynaecological imaging: adenomyosis

Sample item

A 42-year-old woman has dysmenorrhoea and heavy periods. MRI shows diffuse thickening of the junctional zone to 14 mm with small high signal foci within it on T2 and no discrete mass. What is the diagnosis?

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

The answer and the reasoning

C. Adenomyosis

Endometrial glands within the myometrium thicken the junctional zone, which exceeds 12 mm on T2 images, with small cystic foci. A fibroid is a discrete mass with a pseudocapsule, while adenomyosis is diffuse and ill-defined.

Option by option

  • A. Endometrial polyp

    A polyp is an endometrial projection.

  • B. Leiomyoma

    A leiomyoma is a well-defined low signal mass.

  • C. Adenomyosis (correct)

    Correct. A junctional zone over 12 mm with cystic foci indicates adenomyosis.

  • D. Uterine sarcoma

    A sarcoma is a large invasive heterogeneous mass.

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.

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Questions about this Radiology question

What is the answer to this Radiology question?

The best answer is C, Adenomyosis. Endometrial glands within the myometrium thicken the junctional zone, which exceeds 12 mm on T2 images, with small cystic foci.

Why is "Endometrial polyp" not the answer?

A polyp is an endometrial projection.

Why is "Leiomyoma" not the answer?

A leiomyoma is a well-defined low signal mass.

Why is "Uterine sarcoma" not the answer?

A sarcoma is a large invasive heterogeneous mass.

What concept does this question test?

It tests Gynaecological imaging: adenomyosis in Radiology. A fibroid is a discrete mass with a pseudocapsule, while adenomyosis is diffuse and ill-defined.

How hard is this question?

We tag it as a multi-step question: it asks you to combine more than one idea. 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 Gynaecological imaging: adenomyosis?

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.