Intraductal Papillary Mucinous Tumors of the Pancreas

Fukukura, Yoshihiko; Fujiyoshi, Fumito; Sasaki, Maho; Inoue, Hiroki; Yonezawa, Suguru; Nakajo, Masayuki

doi:10.2214/ajr.174.2.1740441

Cited by 148 publications

(86 citation statements)

References 23 publications

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“…The imaging diagnosis of BD-IPMN is usually made using CT and MRCP in combination with EUS or ERCP [10,11,16,17,18]. EUS is an especially accurate tool for differentiating BD-IPMN lesions from other cystic pancreatic lesions; EUS has a 92% diagnostic accuracy and permits adequate diagnosis of the presence, size, and extent of BD-IPMN.…”

Section: Discussionmentioning

confidence: 99%

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Incidence of Synchronous and Metachronous Pancreatic Carcinoma in 168 Patients with Branch Duct Intraductal Papillary Mucinous Neoplasm

et al. 2010

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Section: Discussionmentioning

confidence: 99%

“…BD-IPMNs were diagnosed based on the pathognomonic findings of ERP, i.e. a dilated cyst greater than 10 mm in diameter [6], communication between the cyst and the main pancreatic duct (MPD), and the presence of mucin, as indicated by filling defects in the pancreatic duct [16,17]. Patients who did not undergo ERP were excluded from this study.…”

Section: Methodsmentioning

confidence: 99%

Incidence of Synchronous and Metachronous Pancreatic Carcinoma in 168 Patients with Branch Duct Intraductal Papillary Mucinous Neoplasm

et al. 2010

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“…On the other hand, it is difficult to precisely visualize the connecting duct in branch duct-type IPMT on axial images with a 3 mm or 5 mm slice thickness acquired by singleslice CT [11]. However, the development of multislice CT has made it possible to scan the pancreas and biliary system with collimation of 1.25 mm or less.…”

Section: Introductionmentioning

confidence: 99%

Branch duct-type intraductal papillary mucinous tumor: diagnostic value of multiplanar reformatted images in multislice CT

et al. 2005

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The object of this study was to evaluate the usefulness of high-resolution multiplanar reformatted (MPR) images obtained by multislice CT in demonstrating connection between pancreatic cystic lesions and the main pancreatic duct. The study included 27 lesions with connection to the main pancreatic duct and 12 lesions without. All but one of the former lesions were branch duct-type intraductal papillary mucinous tumors (IPMTs). Oblique and curved MPR images with 0.5 mm continuous slices were generated from pancreatic-phase axial images reconstructed with 0.5 mm or 1 mm thickness at 0.5 mm intervals over a 260 mm field of view. The diagnostic capabilities for demonstrating connection with the main pancreatic duct were compared among axial images, MPR images, and both axial and MPR images in combination using the Brier score. The diagnosis in MPR images for demonstrating connection was more certain than that in axial images (P<0.05). Compared with MPR images alone, the use of both axial and MPR images resulted in further improvements in diagnostic performance, although the difference was not statistically significant. The use of high-resolution MPR images significantly improves diagnostic performance for demonstrating connection between pancreatic cystic lesions and the main pancreatic duct, which is useful for the diagnosis of branch duct-type IPMT.

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“…At imaging, one of the most indicative feature of malignancy is the presence of solid enhancing component appearing as mural nodules or septa [60,61].…”

Section: Common Imaging Findingsmentioning

confidence: 99%

Uncommon presentations of common pancreatic neoplasms: a pictorial essay

et al. 2015

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Pancreatic neoplasms are a wide group of solid and cystic lesions with different and often characteristic imaging features, clinical presentations, and management. Among solid tumors, ductal adenocarcinoma is the most common: it arises from exocrine pancreas, comprises about 90% of all pancreatic neoplasms, and generally has a bad prognosis; its therapeutic management must be multidisciplinary, involving surgeons, oncologists, gastroenterologists, radiologists, and radiotherapists. The second most common solid pancreatic neoplasms are neuroendocrine tumors: they can be divided into functioning or non-functioning and present different degrees of malignancy. Cystic pancreatic neoplasms comprise serous neoplasms, which are almost always benign, mucinous cystic neoplasms and intraductal papillary mucinous neoplasms, which can vary from benign to frankly malignant lesions, and solid pseudopapillary tumors. Other pancreatic neoplasms, such as lymphoma, metastases, or pancreatoblastoma, are rarely seen in clinical practice and have different and sometimes controversial managements. Rare clinical presentations and imaging appearance of the most common pancreatic neoplasms, both solid and cystic, are more frequently seen and clinically relevant than rare pancreatic tumors; their pathologic and radiologic appearances must be known to improve their management. The purpose of this paper is to present some rare or uncommon clinical and radiological presentations of common pancreatic neoplasms providing examples of multi-modality imaging approach with pathologic correlations, thus describing the histopathological bases that can explain the peculiar imaging features, in order to avoid relevant misdiagnosis and to improve lesion management.

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Intraductal Papillary Mucinous Tumors of the Pancreas

Cited by 148 publications

References 23 publications

Incidence of Synchronous and Metachronous Pancreatic Carcinoma in 168 Patients with Branch Duct Intraductal Papillary Mucinous Neoplasm

Incidence of Synchronous and Metachronous Pancreatic Carcinoma in 168 Patients with Branch Duct Intraductal Papillary Mucinous Neoplasm

Branch duct-type intraductal papillary mucinous tumor: diagnostic value of multiplanar reformatted images in multislice CT

Uncommon presentations of common pancreatic neoplasms: a pictorial essay

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