Pancreatic imaging: insulinoma: 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.

Try it

Radiology · Pancreatic imaging: insulinoma

Sample item

A patient has fasting hypoglycaemia with high insulin and C-peptide levels. Triple phase CT shows a 1.5 cm hypervascular lesion in the pancreatic body that enhances avidly in the arterial phase. What is the lesion?

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

The answer and the reasoning

C. Insulinoma

Insulinomas are small functioning neuroendocrine tumours that enhance avidly in the arterial phase, and most are benign and solitary. Ductal adenocarcinoma is hypovascular instead.

Option by option

  • A. Serous cystadenoma

    Serous cystadenoma is a microcystic lesion with a central scar.

  • B. Pseudocyst

    A pseudocyst is a fluid collection that does not enhance.

  • C. Insulinoma (correct)

    Correct. A small hypervascular lesion with hypoglycaemia fits an insulinoma.

  • D. Pancreatic ductal adenocarcinoma

    Adenocarcinoma is hypoenhancing relative to the pancreas.

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, Insulinoma. Insulinomas are small functioning neuroendocrine tumours that enhance avidly in the arterial phase, and most are benign and solitary.

Why is "Serous cystadenoma" not the answer?

Serous cystadenoma is a microcystic lesion with a central scar.

Why is "Pseudocyst" not the answer?

A pseudocyst is a fluid collection that does not enhance.

Why is "Pancreatic ductal adenocarcinoma" not the answer?

Adenocarcinoma is hypoenhancing relative to the pancreas.

What concept does this question test?

It tests Pancreatic imaging: insulinoma in Radiology. Ductal adenocarcinoma is hypovascular instead.

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 Pancreatic imaging: insulinoma?

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.