The Role of Endoscopic Ultrasound in the Diagnosis of Cystic Lesions of the Pancreas

Visceral Medicine
Philippe Lévy, Vinciane Rebours

Abstract

A precise diagnosis of the nature of pancreatic cystic neoplasm (PCN) is crucial since it determines the patients in need of rapid surgical resection as well as those who can be followed up, and, accordingly, the frequency and modalities of surveillance. Endoscopic ultrasound (EUS) and especially fine needle aspiration (FNA) are invasive methods, with specific adverse events occurring in 2.7-5%. Thus, they should only be used as a third-line tool in the absence of characteristic radiographic features on computed tomography (CT) scan and magnetic resonance imaging (MRI). The most difficult aspects of differential diagnosis are: intraductal papillary mucinous neoplasm (IPMN) versus chronic pancreatitis; unifocal IPMN versus serous cystic neoplasm (SCN); macrocystic SCN versus mucinous cystic neoplasm (MCN); cystic neuroendocrine tumors versus MCN; solid serous cystadenoma versus neuroendocrine tumors versus small solid pseudopapillary tumors; pseudocyst versus MCN; low-grade, high-grade, or invasive IPMN. When classical radiological and EUS features are not conclusive, EUS-FNA may be helpful by analyzing cytological, chemical, and/or molecular data. The addition of EUS-FNA to CT scan and MRI increased the overall accuracy for dia...Continue Reading

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Citations

Apr 18, 2020·Journal of Clinical Gastroenterology·Carlos Roberto Simons-Linares, Prabhleen Chahal
Aug 25, 2018·Visceral Medicine·Julia Mayerle, Jens Werner
Aug 11, 2021·Insights Into Imaging·Giovanni MoranaSilvia Venturini

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