Chest and cardiac imaging: tracheal bronchus: 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 · Chest and cardiac imaging: tracheal bronchus

Sample item

A child with recurrent right upper lobe pneumonia has a CT showing the apical segmental bronchus arising directly from the trachea about 2 cm above the carina. What is this anomaly?

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

The answer and the reasoning

C. Tracheal bronchus

A tracheal bronchus is an accessory or displaced bronchus that arises from the trachea above the carina, usually on the right, and can cause recurrent infection of the lobe it supplies. An azygos lobe is an extra fissure carrying the azygos vein. A tracheal diverticulum is a blind air pouch, and a bronchogenic cyst is a fluid-filled mass.

Option by option

  • A. Azygos lobe

    An azygos lobe is part of the lung separated by an azygos fissure, not a bronchial anomaly.

  • B. Tracheal diverticulum

    A tracheal diverticulum is a blind air-filled outpouching with no lung supplied.

  • C. Tracheal bronchus (correct)

    Correct. A bronchus arising from the trachea above the carina is a tracheal bronchus.

  • D. Bronchogenic cyst

    A bronchogenic cyst is a fluid-filled mediastinal or intrapulmonary mass, not an airway.

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.

More Radiology questions

Questions about this Radiology question

What is the answer to this Radiology question?

The best answer is C, Tracheal bronchus. A tracheal bronchus is an accessory or displaced bronchus that arises from the trachea above the carina, usually on the right, and can cause recurrent infection of the lobe it supplies.

Why is "Azygos lobe" not the answer?

An azygos lobe is part of the lung separated by an azygos fissure, not a bronchial anomaly.

Why is "Tracheal diverticulum" not the answer?

A tracheal diverticulum is a blind air-filled outpouching with no lung supplied.

Why is "Bronchogenic cyst" not the answer?

A bronchogenic cyst is a fluid-filled mediastinal or intrapulmonary mass, not an airway.

What concept does this question test?

It tests Chest and cardiac imaging: tracheal bronchus in Radiology. An azygos lobe is an extra fissure carrying the azygos vein. A tracheal diverticulum is a blind air pouch, and a bronchogenic cyst is a fluid-filled mass.

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 Chest and cardiac imaging: tracheal bronchus?

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.