We report a case of a 67-year-old Caucasian man with right upper quadrant abdominal pain. He underwent radiologic investigations that revealed a solid, focal mass, at the V hepatic segment. Because a definitive diagnosis, based on imaging appearance of the lesion, was impossible in our case, we performed a hystopathological investigation but the biopsies were inconclusive. So, the definitive diagnosis of intraductal papillary mucinous tumor of bile ducts was made on surgical resected material.Intraductal papillary neoplasm of the liver (IPNL) is a recently recognized entity which closely resembles an intraductal papillary mucinous tumor (IPMT) of the pancreas.
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http://dx.doi.org/10.1186/1757-1626-1-319 | DOI Listing |
Cancer Cytopathol
February 2025
Department of Pathology, Massachusetts General Hospital, Boston, Massachusetts, USA.
Background: Major mutations (e.g., KRAS, GNAS, TP53, SMAD4) in pancreatic cyst fluid (PCF) are useful for classifying and risk stratifying certain cyst types, particularly in cases with nondiagnostic cytology.
View Article and Find Full Text PDFSurgery
January 2025
Hepato Pancreato Biliary and Liver Transplant Surgery of the Department of Surgery Oncology and Gastroenterology (DiSCOG), Padova University, Padova, Italy. Electronic address:
Abdom Radiol (NY)
January 2025
University of Ulsan College of Medicine, Asan Medical Center, Seoul, Korea.
Purpose: To evaluate the measurement of main pancreatic duct (MPD) diameter on MRI for predicting MPD involvement in intraductal papillary mucinous neoplasms (IPMN).
Methods: This retrospective study included 595 patients with surgically confirmed IPMN who underwent preoperative MRI from 2015 to 2022. Three independent readers measured the maximum MPD diameter on two-dimensional axial and coronal T2-weighted imaging.
Diagnostics (Basel)
January 2025
Department of Gastroenterology, Yokohama City University Graduate School of Medicine, Yokohama 236-0004, Japan.
Detective flow imaging (DFI) endoscopic ultrasonography (EUS) can identify the microvascular flow imaging of a mural nodule (MN) in an intraductal papillary mucinous neoplasm (IPMN) without the use of contrast agents. This retrospective study evaluated the diagnostic accuracy of DFI-EUS and its ability to evaluate the blood flow of MNs in IPMNs. Between April 2021 and September 2023, 68 patients with MNs in IPMNs observed on EUS images were retrospectively analyzed.
View Article and Find Full Text PDFAnn Surg Oncol
January 2025
Division of Imaging and Oncology, University Medical Center Utrecht, Utrecht, The Netherlands.
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