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https://www.readbyqxmd.com/read/28088598/are-the-current-guidelines-for-the-surgical-management-of-intraductal-papillary-mucinous-neoplasms-of-the-pancreas-adequate-a-multi-institutional-study
#1
Gregory C Wilson, Shishir K Maithel, David Bentrem, Daniel E Abbott, Sharon Weber, Clifford Cho, Robert Cg Martin, Charles R Scoggins, Hong Jin Kim, Nipun B Merchant, David A Kooby, Michael J Edwards, Syed A Ahmad
BACKGROUND: Controversy persists regarding the management of patients with IPMN. International consensus guidelines stratify patients into high risk, worrisome, and low risk categories. STUDY DESIGN: The medical records of 7 institutions were reviewed for patients that underwent surgical management of IPMN between 2000-2015. RESULTS: 324 patients were included in the analysis. 60.4% of patients had main-duct / mixed type, and 39.7% had branch-duct IPMN...
January 11, 2017: Journal of the American College of Surgeons
https://www.readbyqxmd.com/read/28079542/development-and-validation-of-a-multi-institutional-preoperative-nomogram-for-predicting-grade-of-dysplasia-in-intraductal-papillary-mucinous-neoplasms-ipmns-of-the-pancreas-a-report-from-the-pancreatic-surgery-consortium
#2
Marc A Attiyeh, Carlos Fernández-Del Castillo, Mohammad Al Efishat, Anne A Eaton, Mithat Gönen, Ruqayyah Batts, Ilaria Pergolini, Neda Rezaee, Keith D Lillemoe, Cristina R Ferrone, Mari Mino-Kenudson, Matthew J Weiss, John L Cameron, Ralph H Hruban, Michael I D'Angelica, Ronald P DeMatteo, T Peter Kingham, William R Jarnagin, Christopher L Wolfgang, Peter J Allen
OBJECTIVE: Previous nomogram models for patients undergoing resection of intraductal papillary mucinous neoplasms (IPMNs) have been relatively small single-institutional series. Our objective was to improve upon these studies by developing and independently validating a new model using a large multiinstitutional dataset. SUMMARY BACKGROUND DATA: IPMNs represent the most common radiographically identifiable precursor lesions of pancreatic cancer. They are a heterogenous group of neoplasms in which more accurate markers of high-grade dysplasia or early invasive carcinoma could help avoid unnecessary surgery in 1 case and support potentially curative intervention (resection) in another...
September 20, 2016: Annals of Surgery
https://www.readbyqxmd.com/read/28060184/are-clinical-guidelines-for-the-management-of-intraductal-papillary-mucinous-neoplasms-followed-a-single-center-analysis
#3
Parissa Tabrizian, Yaniv Berger, Elisa Sefora Pierobon, Samantha Aycart, Pamela Argiriadi, Kezhen Fei, Gonzalo Carrasco-Avino, Daniel M Labow, Umut Sarpel
OBJECTIVES: This study aimed to determine how frequently guidelines for the management of intraductal papillary mucinous neoplasms (IPMNs) are followed and establish factors associated with failure. METHODS: Four hundred forty-five patients with radiographic diagnosis of IPMN 1 cm or greater between January 1, 2003 and January 1, 2013 were included. We defined failure of guideline adherence if the following occurred: (a) failure of acknowledgment of IPMN, (b) failure to undergo endoscopic ultrasound, (c) failure to undergo resection, or (d) failure to undergo at least 1 surveillance image within 2 years after diagnosis...
February 2017: Pancreas
https://www.readbyqxmd.com/read/28059943/efficacy-safety-and-outcomes-of-endoscopic-retrograde-cholangiopancreatography-with-per-oral-pancreatoscopy-a-multicenter-experience
#4
Sheeva K Parbhu, Ali A Siddiqui, Megan Murphy, Arish Noor, Linda J Taylor, Alyssa Mills, Douglas G Adler
INTRODUCTION: Per-oral pancreatoscopy can be used for both evaluation and treatment of pancreatic duct stones during endoscopic retrograde cholangiopancreatography, evaluating and treating pancreatic duct strictures of indeterminate etiology, and visual inspection and direct biopsy of pancreatic duct mucosa for diagnosis of intraductal papillary mucinous neoplasm (IPMN). We aim to describe the efficacy, safety, and outcomes of pancreatoscopy in a large, multicenter series of patients...
January 5, 2017: Journal of Clinical Gastroenterology
https://www.readbyqxmd.com/read/28055239/the-evolving-role-of-pathology-in-new-developments-classification-terminology-and-diagnosis-of-pancreatobiliary-neoplasms
#5
Michelle D Reid, Melinda M Lewis, Field F Willingham, Volkan Adsay
Pancreatobiliary tract lesions are increasingly being discovered because of more sensitive imaging modalities. Magnetic resonance imaging has identified incidental pancreatic cysts in 13.5% of patients of progressively increasing age. Pancreatobiliary tissue is more accessible through endoscopic ultrasound and magnetic resonance imaging-guided biopsy procedures, and is now an integral part of pathologists' routine practice. Accordingly, several new tumor categories have been recently recognized, including intraductal tubulopapillary neoplasm, a new addition to tumoral intraepithelial neoplasms...
January 5, 2017: Archives of Pathology & Laboratory Medicine
https://www.readbyqxmd.com/read/28030856/criteria-for-determining-malignancy-in-pancreatic-intraductal-papillary-mucinous-neoplasm-based-on-computed-tomography
#6
Peter Mönnings, Orlin Belyaev, Waldemar Uhl, Arnd Giese, Andrea Tannapfel, Odo Köster, Juris J Meier
INTRODUCTION: Determining the dignity of intraductal papillary mucinous neoplasms (IPMNs) by imaging procedures is challenging. Various CT-based criteria were evaluated. PATIENTS AND METHODS: Preoperative CT scans from 47 patients with IPMN were analyzed. Predefined criteria of malignancy were compared between patients with benign (bIPMN; n = 28) and malignant (mIPMN; n = 19) tumors, and a summation score was determined. RESULTS: Preoperative carbohydrate-antigen 19-9 levels were higher in patients with mIPMN (p = 0...
2016: Digestion
https://www.readbyqxmd.com/read/28011509/technical-feasibility-and-oncological-legitimacy-of-enucleation-of-intraductal-papillary-mucinous-neoplasm-located-at-the-pancreatic-head-or-uncinate-process
#7
Yuji Soejima, Takeo Toshima, Takashi Motomura, Tomoyuki Yokota, Kouji Joko, Yumi Oshiro, Ikuo Takahashi, Takashi Nishizaki, Yoshihiko Maehara
BACKGROUND: Surgical indications and strategies for branch duct (BD)-intraductal papillary mucinous neoplasm (IPMN) at the pancreatic head (PH) are controversial issues. We investigated the technical feasibility and oncological legitimacy of enucleation for IPMN of the PH. PATIENTS AND METHODS: The clinicopathological parameters of 11 patients with IPMN who underwent conventional pancreaticoduodenectomy (PD, n=7) or enucleation (n=4) during the same period were evaluated...
January 2017: Anticancer Research
https://www.readbyqxmd.com/read/28000629/effectiveness-of-contrast-enhanced-endoscopic-ultrasound-for-detecting-mural-nodules-in-intraductal-papillary-mucinous-neoplasm-of-the-pancreas-and-for-making-therapeutic-decisions
#8
Mitsuru Fujita, Takao Itoi, Nobuhito Ikeuchi, Atsushi Sofuni, Takayoshi Tsuchiya, Kentaro Ishii, Kentaro Kamada, Junko Umeda, Reina Tanaka, Ryosuke Tonozuka, Mitsuyoshi Honjo, Shuntaro Mukai, Fuminori Moriyasu
BACKGROUND AND OBJECTIVES: There have been few studies to date evaluating the effectiveness of contrast-enhanced endoscopic ultrasound (CE-EUS) for detecting mural nodules in patients with branch duct-type intraductal papillary mucinous neoplasm (BD-IPMN) of the pancreas. We aim to evaluate the effectiveness of CE-EUS for detecting mural nodules in BD-IPMN. PATIENTS AND METHODS: Of the 427 BD-IPMN patients, 21 patients (4.9%) in whom the presence of mural nodules was suggested by CE computed tomography (CT) or magnetic resonance imaging (MRI), or in whom the presence of nodule-like lesions as shown by fundamental EUS, were examined by CE-EUS...
November 2016: Endoscopic Ultrasound
https://www.readbyqxmd.com/read/27995181/do-molecular-tests-really-differentiate-malignant-ipmns-from-benign
#9
EDITORIAL
Omer Basar, William R Brugge
No abstract text is available yet for this article.
December 2016: Endoscopy International Open
https://www.readbyqxmd.com/read/27995180/endoscopic-ultrasound-guided-fine-needle-aspiration-plus-kras-and-gnas-mutation-in-malignant-intraductal-papillary-mucinous-neoplasm-of-the-pancreas
#10
Barbara Bournet, Alix Vignolle-Vidoni, David Grand, Céline Roques, Florence Breibach, Jérome Cros, Fabrice Muscari, Nicolas Carrère, Janick Selves, Pierre Cordelier, Louis Buscail
Background:KRAS and GNAS mutations are common in intraductal papillary mucinous neoplasia of the pancreas (IPMN). The aims of this study were to assess the role of pre-therapeutic cytopathology combined with KRAS and GNAS mutation assays within cystic fluid sampled by endoscopic ultrasound-guided fine-needle aspiration (EUS-FNA) to predict malignancy of IPMN. Patients and methods: We prospectively included 37 IPMN patients with clinical and/or imaging predictors of malignancy (men: 24; mean age: 69.5 years)...
December 2016: Endoscopy International Open
https://www.readbyqxmd.com/read/27992432/a-gastric-glycoform-of-muc5ac-is-a-biomarker-of-mucinous-cysts-of-the-pancreas
#11
Jessica Sinha, Zheng Cao, Jianliang Dai, Huiyuan Tang, Katie Partyka, Galen Hostetter, Diane M Simeone, Ziding Feng, Peter J Allen, Randall E Brand, Brian B Haab
Molecular indicators to specify the risk posed by a pancreatic cyst would benefit patients. Previously we showed that most cancer-precursor cysts, termed mucinous cysts, produce abnormal glycoforms of the proteins MUC5AC and endorepellin. Here we sought to validate the glycoforms as a biomarker of mucinous cysts and to specify the oligosaccharide linkages that characterize MUC5AC. We hypothesized that mucinous cysts secrete MUC5AC displaying terminal N-acetylglucosamine (GlcNAc) in either alpha or beta linkage...
2016: PloS One
https://www.readbyqxmd.com/read/27979602/association-between-serum-span-1-and-lymph-node-metastasis-in-invasive-intraductal-papillary-mucinous-neoplasm-of-the-pancreas
#12
Kodai Yamanaka, Atsuhiro Masuda, Hirochika Toyama, Hideyuki Shiomi, Yoh Zen, Keitaro Sofue, Mamoru Takenaka, Takashi Kobayashi, Arata Sakai, Yosuke Yagi, Takashi Nakagawa, Masaru Yoshida, Yoshifumi Arisaka, Yoshihiro Okabe, Hiromu Kutsumi, Takumi Fukumoto, Yonson Ku, Takeshi Azuma
BACKGROUND AND AIM: Lymph node metastasis predicts poorer prognoses in patients with invasive intraductal papillary mucinous neoplasms of the pancreas (IPMNs). Factors associated with lymph node metastasis of invasive IPMN remain unclear. Therefore, this study aimed to define factors associated with lymph node metastasis of invasive IPMN. METHODS: Between June 2000 to August 2015, 156 consecutive patients with IPMN underwent surgical resection at Kobe University Hospital, and were enrolled in this study...
December 10, 2016: Pancreatology: Official Journal of the International Association of Pancreatology (IAP) ... [et Al.]
https://www.readbyqxmd.com/read/27977634/kras-mutations-with-no-gnas-mutations-in-an-intraductal-papillary-mucinous-neoplasm-are-there-common-pathways-with-pancreatic-ductal-adenocarcinoma-lessons-from-an-extended-ipmn-covering-the-entire-pancreas
#13
Athanasios Tampakis, Ekaterini Chistina Tampaki, Alberto Posabella, Andreas Zettl, Gregory Kouraklis, Markus von Flüe, Marc Oliver Guenin
No abstract text is available yet for this article.
January 2017: Pancreas
https://www.readbyqxmd.com/read/27975122/-a%C3%A2-nomogram-for-the-prediction-of-malignancy-in-branch-duct-ipmn
#14
O Strobel, M W Büchler
No abstract text is available yet for this article.
December 14, 2016: Der Chirurg; Zeitschrift Für Alle Gebiete der Operativen Medizen
https://www.readbyqxmd.com/read/27920477/evolution-of-incidental-branch-duct-intraductal-papillary-mucinous-neoplasms-of-the-pancreas-a-study-with-magnetic-resonance-imaging-cholangiopancreatography
#15
Rossano Girometti, Riccardo Pravisani, Sergio Giuseppe Intini, Miriam Isola, Lorenzo Cereser, Andrea Risaliti, Chiara Zuiani
AIM: To investigate the type and timing of evolution of incidentally found branch-duct intraductal papillary mucinous neoplasms (bd-IPMN) of the pancreas addressed to magnetic resonance imaging cholangiopancreatography (MRCP) follow-up. METHODS: We retrospectively evaluated 72 patients who underwent, over the period 2006-2016, a total of 318 MRCPs (mean 4.4) to follow-up incidental, presumed bd-IPMN without signs of malignancy, found or confirmed at a baseline MRCP examination...
November 21, 2016: World Journal of Gastroenterology: WJG
https://www.readbyqxmd.com/read/27902614/associating-pancreaticostomy-and-biliary-irrigation-for-staged-pancreaticoduodenectomy-approach-to-pancreatic-intraductal-papillary-mucinous-neoplasm-with-recurrent-cholangitis-and-severe-jaundice-a-case-report
#16
Chao Dai, Siyuan Lou, Fan Zhou
PATIENT CONCERNS: A 63-year-old man was hospitalized with history of abdominal pain since more than 1 year, and that of fever with chills since 2 weeks. DIAGNOSES: Based on the laboratory investigations and radiologic findings, a preliminary diagnosis of pancreatic intraductal papillary mucinous neoplasm (IPMN) with recurrent cholangitis and severe jaundice was made. INTERVENTIONS: An initial attempt at endoscopic and image-guided drainage proved unsuccessful...
November 2016: Medicine (Baltimore)
https://www.readbyqxmd.com/read/27900458/utility-of-whole-lesion-adc-histogram-metrics-for-assessing-the-malignant-potential-of-pancreatic-intraductal-papillary-mucinous-neoplasms-ipmns
#17
David H Hoffman, Justin M Ream, Christina H Hajdu, Andrew B Rosenkrantz
PURPOSE: To evaluate whole-lesion ADC histogram metrics for assessing the malignant potential of pancreatic intraductal papillary mucinous neoplasms (IPMNs), including in comparison with conventional MRI features. METHODS: Eighteen branch-duct IPMNs underwent MRI with DWI prior to resection (n = 16) or FNA (n = 2). A blinded radiologist placed 3D volumes-of-interest on the entire IPMN on the ADC map, from which whole-lesion histogram metrics were generated. The reader also assessed IPMN size, mural nodularity, and adjacent main-duct dilation...
November 30, 2016: Abdominal Radiology
https://www.readbyqxmd.com/read/27882420/the-clinical-indications-for-limited-surgery-of-intraductal-papillary-mucinous-neoplasms-of-the-pancreas
#18
Kenjiro Kimura, Ryosuke Amano, Sadaaki Ymazoe, Go Ohira, Kohei Nishio, Kosei Hirakawa, Masaichi Ohira
BACKGROUND: There are many reports about limited surgery for intraductal papillary mucinous neoplasms (IPMNs) of the pancreas. However, there is no consensus on limited surgery for IPMNs. The primary objective of this study was to define the clinical indications for limited surgery for IPMNs. METHODS: The data of 98 patients who underwent curative resections for IPMN were retrospectively analyzed. IPMNs were classified into four different pathological grades: low-grade dysplasia (LGD), intermediate-grade dysplasia (IGD), high-grade dysplasia (HGD), and invasive carcinoma (Inv-IPMN)...
November 23, 2016: World Journal of Surgery
https://www.readbyqxmd.com/read/27878841/intraductal-papillary-mucinous-neoplasms-of-the-pancreas-reporting-clinically-relevant-features
#19
REVIEW
Marco Del Chiaro, Caroline Verbeke
Intraductal papillary mucinous neoplasms (IPMNs) of the pancreas can exhibit a wide spectrum of macroscopic and microscopic appearances. This not only causes occasional difficulties for the reporting pathologist in distinguishing these tumours from other lesions, but is also relevant clinically. As evidence accumulates, it becomes clear that multiple macroscopic and histological features of these neoplasms are relevant to the risk for malignant transformation and, consequently, of prime importance for clinical patient management...
November 22, 2016: Histopathology
https://www.readbyqxmd.com/read/27876450/intraductal-papillary-neoplasm-of-the-bile-duct-a-case-report
#20
Karen Peeters, Peter Delvaux, Frederik Huysentruyt
Intraductal papillary neoplasm of the bile duct (IPNB) is a rare variant of bile duct tumors, characterized by papillary growth within the bile duct lumen and is regarded as a biliary counterpart of intraductal papillary mucinous neoplasm (IPMN) of the pancreas. IPNBs are mainly found in patients from Far Eastern areas, where hepatolithiasis and clonorchiasis are endemic. The Western experience, however, remains limited. In this article, we report a 56-year-old man, referred to our hospital because of deranged liver function tests...
November 23, 2016: Acta Chirurgica Belgica
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