Scrotal imaging: acute epididymitis: 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 · Scrotal imaging: acute epididymitis

Sample item

A sexually active man has gradual scrotal pain with fever. Doppler ultrasound shows an enlarged, hypoechoic epididymal head with markedly increased colour flow, and the testis has normal flow. What is the diagnosis?

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

The answer and the reasoning

B. Acute epididymo-orchitis

Inflammation increases blood flow, and thus Doppler shows hyperaemia of the enlarged epididymis, with reactive hydrocele and scrotal wall thickening. Torsion by contrast shows reduced or absent flow.

Option by option

  • A. Testicular torsion

    Torsion shows decreased flow.

  • B. Acute epididymo-orchitis (correct)

    Correct. Hyperaemic enlarged epididymis with preserved testicular flow is epididymitis.

  • C. Testicular tumour

    A tumour is a focal intratesticular mass.

  • D. Inguinal hernia

    A hernia shows bowel or omentum in the canal.

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 B, Acute epididymo-orchitis. Inflammation increases blood flow, and thus Doppler shows hyperaemia of the enlarged epididymis, with reactive hydrocele and scrotal wall thickening.

Why is "Testicular torsion" not the answer?

Torsion shows decreased flow.

Why is "Testicular tumour" not the answer?

A tumour is a focal intratesticular mass.

Why is "Inguinal hernia" not the answer?

A hernia shows bowel or omentum in the canal.

What concept does this question test?

It tests Scrotal imaging: acute epididymitis in Radiology. Torsion by contrast shows reduced or absent flow.

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 Scrotal imaging: acute epididymitis?

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.