Imaging mimics of pancreatic ductal adenocarcinoma

Pancreatic ductal adenocarcinoma is the most common primary malignancy of the pancreas. The classic imaging features are a hypovascular mass with proximal ductal dilatation. Different pancreatic pathologies can mimic the imaging appearance of carcinoma including other tumors involving the pancreas (...

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Bibliographic Details
Published in:Abdominal imaging 2018-02, Vol.43 (2), p.273-284
Main Authors: Gandhi, Namita S., Feldman, Myra K., Le, Ott, Morris-Stiff, Gareth
Format: Article
Language:English
Subjects:
Adenocarcinoma
Differentiation
Gastroenterology
Hepatology
Imaging
Inflammation
Lymphoma
Malignancy
Medicine
Medicine & Public Health
Metastases
Metastasis
Neuroendocrine tumors
Pancreas
Pancreatic cancer
Pancreatic carcinoma
Pancreatitis
Radiology
Tumors
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Summary:Pancreatic ductal adenocarcinoma is the most common primary malignancy of the pancreas. The classic imaging features are a hypovascular mass with proximal ductal dilatation. Different pancreatic pathologies can mimic the imaging appearance of carcinoma including other tumors involving the pancreas (pancreatic neuroendocrine tumors, lymphoma, metastasis, and rare tumors like pancreatic acinar cell carcinoma and solid pseudopapillary tumors), inflammatory processes (chronic pancreatitis and autoimmune pancreatitis), and anatomic variants (annular pancreas). Differentiation between these entities can sometimes be challenging due to overlap of imaging features. The purpose of this article is to describe the common entities that can mimic pancreatic cancer on imaging with illustrative examples and to suggest features that can help in differentiation of these entities.
ISSN:2366-004X
2366-0058
DOI:10.1007/s00261-017-1330-1