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- Title
The Role of MRI in the Diagnosis of Solid Pseudopapillary Neoplasm of the Pancreas and Its Mimickers: A Case-Based Review with Emphasis on Differential Diagnosis.
- Authors
Kovac, Jelena Djokic; Djikic-Rom, Aleksandra; Bogdanovic, Aleksandar; Jankovic, Aleksandra; Grubor, Nikica; Djuricic, Goran; Dugalic, Vladimir
- Abstract
Solid pseudopapillary neoplasm (SPN) is rare pancreatic tumor occurring most commonly in young females. The typical imaging appearance of SPN is of well-defined, encapsulated, and large heterogeneous tumors, consisting of solid and cystic components due to various degrees of intralesional hemorrhage and necrosis. However, atypical imaging presentation in the form of small solid tumors or uniformly cystic lesions might also be seen, which can be explained by specific pathological characteristics. Other imaging features such as a round shape, the absence of main pancreatic duct dilatation, and slow growth, in combination with vague symptoms, favor the diagnosis of SPNs. Nevertheless, the radiological findings of SPN might overlap with other solid and cystic pancreatic neoplasms, such as neuroendocrine tumors, serous and mucinous neoplasms, and even small pancreatic adenocarcinomas. In addition, a few benign non-tumorous conditions including walled-of-necrosis, and intrapancreatic accessory spleen may also pose diagnostic dilemmas simulating SPNs on imaging studies. The aim of this manuscript is to provide a comprehensive overview of the typical and atypical imaging features of SPNs and to describe useful tips for differential diagnosis with its potential mimickers.
- Subjects
PANCREATIC cysts; PANCREATIC tumors; DIFFERENTIAL diagnosis; PANCREATIC duct; PANCREAS; TUMORS; DIAGNOSIS
- Publication
Diagnostics (2075-4418), 2023, Vol 13, Issue 6, p1074
- ISSN
2075-4418
- Publication type
Article
- DOI
10.3390/diagnostics13061074