Oral pathology: Pindborg tumour: practice question

A Dentistry 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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Dentistry · Oral pathology: Pindborg tumour

Sample item

A jaw tumour shows sheets of polyhedral epithelial cells with prominent intercellular bridges, amyloid-like material and concentric Liesegang-ring calcifications. What is it?

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

The answer and the reasoning

B. Calcifying epithelial odontogenic tumour

The calcifying epithelial odontogenic (Pindborg) tumour has pleomorphic polyhedral cells, amyloid-like deposits and Liesegang-ring calcifications, often associated with an impacted mandibular molar.

Option by option

  • A. Ameloblastic fibroma

    Ameloblastic fibroma shows epithelium within cellular mesenchyme.

  • B. Calcifying epithelial odontogenic tumour (correct)

    Correct. This histology is characteristic.

  • C. Ameloblastoma

    Ameloblastoma shows palisaded cells with reverse polarity.

  • D. Adenomatoid odontogenic tumour

    The AOT shows duct-like structures and rosettes.

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 Dentistry question

What is the answer to this Dentistry question?

The best answer is B, Calcifying epithelial odontogenic tumour. The calcifying epithelial odontogenic (Pindborg) tumour has pleomorphic polyhedral cells, amyloid-like deposits and Liesegang-ring calcifications, often associated with an impacted mandibular molar.

Why is "Ameloblastic fibroma" not the answer?

Ameloblastic fibroma shows epithelium within cellular mesenchyme.

Why is "Ameloblastoma" not the answer?

Ameloblastoma shows palisaded cells with reverse polarity.

Why is "Adenomatoid odontogenic tumour" not the answer?

The AOT shows duct-like structures and rosettes.

What concept does this question test?

It tests Oral pathology: Pindborg tumour in Dentistry. The correct option holds because: Correct. This histology is characteristic.

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 Oral pathology: Pindborg tumour?

Learn the dental formula, eruption ages and tooth structure once, as tables. Then use the flashcards and the other Dentistry 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.