Bone tumours: malignant: practice question

A Orthopaedics 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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Orthopaedics · Bone tumours: malignant

Sample item

A 55-year-old has a pelvic lytic lesion with ring-and-arc calcification, and biopsy shows atypical cartilage cells. What is the treatment?

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

The answer and the reasoning

D. Wide surgical excision

Conventional chondrosarcoma is resistant to chemotherapy and radiotherapy, so wide excision is the treatment. Intralesional procedures have a high recurrence rate in high-grade lesions.

Option by option

  • A. Intralesional curettage

    Curettage leaves tumour behind and recurs.

  • B. Chemotherapy as for Ewing sarcoma

    Chondrosarcoma is chemo-resistant, unlike Ewing sarcoma.

  • C. Radiotherapy alone

    It is radio-resistant, so radiotherapy alone is not curative.

  • D. Wide surgical excision (correct)

    Correct. Chondrosarcoma needs wide surgical excision.

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 Orthopaedics question

What is the answer to this Orthopaedics question?

The best answer is D, Wide surgical excision. Conventional chondrosarcoma is resistant to chemotherapy and radiotherapy, so wide excision is the treatment.

Why is "Intralesional curettage" not the answer?

Curettage leaves tumour behind and recurs.

Why is "Chemotherapy as for Ewing sarcoma" not the answer?

Chondrosarcoma is chemo-resistant, unlike Ewing sarcoma.

Why is "Radiotherapy alone" not the answer?

It is radio-resistant, so radiotherapy alone is not curative.

What concept does this question test?

It tests Bone tumours: malignant in Orthopaedics. Intralesional procedures have a high recurrence rate in high-grade lesions.

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 Bone tumours: malignant?

Pair each fracture with its classic complication and nerve injured. Then use the flashcards and the other Orthopaedics 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.