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Radiology · Pancreatic imaging: pseudocyst
Sample itemFour weeks after an episode of acute pancreatitis, a patient has a well-defined, thick-walled fluid collection adjacent to the pancreas. What is this?
Original practice item, not a recalled exam question. Nothing here is recorded.
The answer and the reasoning
C. Pancreatic pseudocyst
A pseudocyst is a peripancreatic fluid collection with a well-defined fibrous wall that forms more than 4 weeks after acute pancreatitis. It lacks an epithelial lining. Treatment is needed if symptomatic, by endoscopic or surgical drainage.
Option by option
A. Mucinous cystic neoplasm
Mucinous cystic neoplasm is found in women with a thick wall and septa without an acute episode.
B. Serous cystadenoma
Serous cystadenoma is a microcystic neoplasm with a central scar.
C. Pancreatic pseudocyst (correct)
Correct. A walled-off collection 4 weeks after pancreatitis is a pseudocyst.
D. Simple liver cyst
A liver cyst is not peripancreatic.
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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