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Mucinous pancreatic cyst

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https://www.readbyqxmd.com/read/29911766/pancreatic-cyst-mucin-ball-aspiration-as-a-diagnostic-maneuver
#1
Wisam Sbeit, Anas Kadah, Moaad Farraj, Moshe Shiller
No abstract text is available yet for this article.
June 2018: Israel Medical Association Journal: IMAJ
https://www.readbyqxmd.com/read/29803839/risk-of-neoplastic-progression-in-individuals-at-high-risk-for-pancreatic-cancer-undergoing-long-term-surveillance
#2
Marcia Irene Canto, Jose Alejandro Almario, Richard D Schulick, Charles J Yeo, Alison Klein, Amanda Blackford, Eun Ji Shin, Abanti Sanyal, Gayane Yenokyan, Anne Marie Lennon, Ihab R Kamel, Elliot K Fishman, Christopher Wolfgang, Matthew Weiss, Ralph H Hruban, Michael Goggins
BACKGROUND & AIMS: Screening of individuals who have a high risk of pancreatic ductal adenocarcinoma (PDAC), due to genetic factors, frequently leads to identification of pancreatic lesions. We investigated the incidence of PDAC and risk factors for neoplastic progression in individuals at high risk for PDAC enrolled in a long-term screening study. METHODS: We analyzed data from 354 individuals at high risk for PDAC (based on genetic factors of family history), enrolled in Cancer of the Pancreas Screening cohort studies at tertiary care academic centers from 1998 through 2014 (median follow-up time, 5...
May 24, 2018: Gastroenterology
https://www.readbyqxmd.com/read/29796909/clinical-impact-of-kras-and-gnas-analysis-added-to-cea-and-cytology-in-pancreatic-cystic-fluid-obtained-by-eus-fna
#3
Sandra Faias, Marlene Duarte, Cristina Albuquerque, João Pereira da Silva, Ricardo Fonseca, Ruben Roque, Antonio Dias Pereira, Paula Chaves, Marília Cravo
BACKGROUND: Pancreatic cysts are common incidental findings with malignant potential, raising diagnostic and treatment dilemmas. AIMS: To determine the added value of KRAS and GNAS mutation analysis on cyst classification and decision making. METHODS: We analyzed 52 frozen samples of pancreatic cystic fluid obtained by EUS-FNA between 2008 and 2014. In addition to cytology and CEA, mutations of GNAS (exons 8 and 9) and KRAS (exons 2 and 3) genes were analyzed using Sanger sequencing...
May 24, 2018: Digestive Diseases and Sciences
https://www.readbyqxmd.com/read/29778250/surgical-management-of-intraductal-papillary-mucinous-neoplasm-with-main-duct-involvement-an-international-expert-survey-and-case-vignette-study
#4
Lianne Scholten, Nadine C M van Huijgevoort, Marco J Bruno, Carlos Fernandez-Del Castillo, Sohei Satoi, Alain Sauvanet, Christopher Wolfgang, Paul Fockens, Suresh T Chari, Marco Del Chiaro, Jeanin E van Hooft, Marc G Besselink
BACKGROUND: The risk of invasive cancer in resected intraductal papillary mucinous neoplasm with main pancreatic duct involvement is 33%-60%. Most guidelines, therefore, advise resection of main duct intraductal papillary mucinous neoplasm and mixed type intraductal papillary mucinous neoplasm in surgically fit patients, although advice on the surgical strategy (partial or total pancreatectomy) differs. We performed a survey amongst international experts to guide the design of future studies and help to prepare for a single international set of guidelines...
May 16, 2018: Surgery
https://www.readbyqxmd.com/read/29730906/predictors-of-malignancy-in-pure-branch-duct-intraductal-papillary-mucinous-neoplasm-of-the-pancreas-without-enhanced-mural-nodules-on-ct-imaging-a-nationwide-multicenter-study
#5
Tae Hyeon Kim, Young Sik Woo, Hyung Ku Chon, Jin Hyeok Hwang, Kyo Sang Yoo, Woo Jin Lee, Kwang Hyuck Lee, Jong Kyun Lee, Seok Ho Dong, Chang Hwan Park, Eun Taek Park, Jong Ho Moon, Ho Gak Kim, Kwang Bum Cho, Hong Ja Kim, Seung Ok Lee, Young Koog Cheon, Jeong-Mi Lee, Jin Woo Park, Myung-Hwan Kim
Background/Aim: Enhanced mural nodules, which can be visualized using computed tomography (CT), constitute high-risk stigmata in branch-duct intraductal papillary mucinous neoplasms (BD-IPMNs). Conversely, the absence of enhanced mural nodules on preoperative imaging does not exclude malignant risk. The present study aimed to investigate other morphological features as predictors of malignancy in "pure" BD-IPMNs without enhanced mural nodules on CT. Method: This retrospective study included 180 patients with surgically confirmed "pure" BD-IPMNs of the pancreas and no enhanced mural nodules on preoperative CT...
May 4, 2018: Gut and Liver
https://www.readbyqxmd.com/read/29713252/quantitative-proteomic-analysis-of-pancreatic-cyst-fluid-proteins-associated-with-malignancy-in-intraductal-papillary-mucinous-neoplasms
#6
Misol Do, Dohyun Han, Joseph Injae Wang, Hyunsoo Kim, Wooil Kwon, Youngmin Han, Jin-Young Jang, Youngsoo Kim
Background: The application of advanced imaging technologies for identifying pancreatic cysts has become widespread. However, accurately differentiating between low-grade dysplasia (LGD), high-grade dysplasia (HGD), and invasive intraductal papillary mucinous neoplasms (IPMNs) remains a diagnostic challenge with current biomarkers, necessitating the development of novel biomarkers that can distinguish IPMN malignancy. Methods: Cyst fluid samples were collected from nine IPMN patients (3 LGD, 3 HGD, and 3 invasive IPMN) during their pancreatectomies...
2018: Clinical Proteomics
https://www.readbyqxmd.com/read/29693047/pancreatic-hif2%C3%AE-stabilization-leads-to-chronic-pancreatitis-and-predisposes-to-mucinous-cystic-neoplasm
#7
Heather K Schofield, Manuj Tandon, Min-Jung Park, Christopher J Halbrook, Sadeesh K Ramakrishnan, Esther C Kim, Jiaqi Shi, M Bishr Omary, Yatrik M Shah, Farzad Esni, Marina Pasca di Magliano
Background & Aims: Tissue hypoxia controls cell differentiation in the embryonic pancreas, and promotes tumor growth in pancreatic cancer. The cellular response to hypoxia is controlled by the hypoxia-inducible factor (HIF) proteins, including HIF2α. Previous studies of HIF action in the pancreas have relied on loss-of-function mouse models, and the effects of HIF2α expression in the pancreas have remained undefined. Methods: We developed several transgenic mouse models based on the expression of an oxygen-stable form of HIF2α, or indirect stabilization of HIF proteins though deletion of von Hippel-Lindau, thus preventing HIF degradation...
2018: Cellular and Molecular Gastroenterology and Hepatology
https://www.readbyqxmd.com/read/29690869/concurrent-presentation-of-an-intraductal-tubulopapillary-neoplasm-and-intraductal-papillary-mucinous-neoplasm-in-the-branch-duct-of-the-pancreas-with-a-superior-mesenteric-artery-aneurysm-a-case-report
#8
Kenta Inomata, Minoru Kitago, Hideaki Obara, Yoko Fujii-Nishimura, Masahiro Shinoda, Hiroshi Yagi, Yuta Abe, Taizo Hibi, Kentaro Matsubara, Go Oshima, Yasuhito Sekimoto, Masazumi Inoue, Osamu Itano, Michiie Sakamoto, Yuko Kitagawa
BACKGROUND: Since the concept of intraductal tubulopapillary neoplasm (ITPN) was introduced in the current World Health Organization classification of tumors, the number of reports of ITPN occurrence has increased gradually. However, ITPN is usually located in the main pancreatic duct, with few reports of a branch duct ITPN. As a result, imaging protocols for the diagnosis of a branch duct ITPN have not been established. CASE PRESENTATION: We report a case of a concurrent presentation of a branch duct ITPN and intraductal papillary mucinous neoplasm (IPMN) in the head of the pancreas, with a superior mesenteric artery (SMA) aneurysm...
April 24, 2018: World Journal of Surgical Oncology
https://www.readbyqxmd.com/read/29685673/multifocal-cysts-and-incidence-of-pancreatic-cancer-concomitant-with-intraductal-papillary-mucinous-neoplasm
#9
Takuya Ikegawa, Atsuhiro Masuda, Arata Sakai, Hirochika Toyama, Yoh Zen, Keitaro Sofue, Takashi Nakagawa, Hideyuki Shiomi, Mamoru Takenaka, Takashi Kobayashi, Masaru Yoshida, Yoshifumi Arisaka, Yoshihiro Okabe, Hiromu Kutsumi, Takumi Fukumoto, Takeshi Azuma
OBJECTIVES: The present study was conducted in order to elucidate the relationship between the number of cyst-existing regions and incidence of pancreatic ductal adenocarcinoma (PDAC) concomitant with intraductal papillary mucinous neoplasm (IPMN), which currently remains unclear. METHODS: Subjects comprised 141 patients undergoing resection for IPMN (Non-invasive IPMN (IPMN with low-to high-grade dysplasia): N = 94, invasive IPMN: N = 31, and PDAC concomitant with IPMN: N = 16) between November 2000 and February 2017...
June 2018: Pancreatology: Official Journal of the International Association of Pancreatology (IAP) ... [et Al.]
https://www.readbyqxmd.com/read/29683970/endoscopic-ultrasound-based-pancreatic-cancer-screening-of-high-risk-individuals-a-prospective-observational-trial
#10
Alexandra Gangi, Mokenge Malafa, Jason Klapman
OBJECTIVES: Pancreatic cancer (PC), a common cause of cancer death, is rarely diagnosed at an early stage. Early detection of PC may improve outcomes in affected patients. This study evaluated the utility of screening of high-risk individuals (HRIs) using an endoscopic ultrasound (EUS)-only approach to detect early malignant changes. METHODS: A prospective PC screening program for HRIs was opened in 2007. Fifty-eight patients have enrolled to date. Patients with normal EUS examinations underwent repeat EUS annually for 5 years...
May 2018: Pancreas
https://www.readbyqxmd.com/read/29683969/diagnostic-accuracy-of-preoperative-imaging-for-differentiation-of-branch-duct-versus-mixed-duct-intraductal-papillary-mucinous-neoplasms
#11
Emmanuel E Ugbarugba, Carmen Grieco, Phil A Hart, Feng Li, Brett Sklaw, Kevin Cronley, Veeral M Oza, Benjamin J Swanson, Jon P Walker, Samer El-Dika, Darwin L Conwell, Somashekar G Krishna
OBJECTIVE: The aim of this study is to determine the diagnostic accuracy of preoperative evaluation to detect main pancreatic duct involvement in pancreatic cystic lesions thus differentiating mixed intraductal papillary mucinous neoplasm (IPMN) from branch duct (BD)-IPMN. METHODS: The pathology database of pancreatic resections from 2000 to 2014 was reviewed. Main pancreatic duct-IPMNs and IPMNs with intracystic mass/nodules were excluded. The preoperative test characteristics were analyzed using surgical histopathology as the "gold standard...
May 2018: Pancreas
https://www.readbyqxmd.com/read/29660844/moray-micro-forceps-biopsy-improves-the-diagnosis-of-specific-pancreatic-cysts
#12
M Lisa Zhang, Ronald N Arpin, William R Brugge, David G Forcione, Omer Basar, Martha B Pitman
BACKGROUND: Making a specific diagnosis of pancreatic cysts preoperatively is difficult. The new disposable Moray micro forceps biopsy (MFB) device allows tissue sampling from the pancreatic cyst wall/septum and aims to improve diagnosis. This study compares the diagnostic performance of the MFB with the current conventional analysis of pancreatic cyst fluid (PCF). METHODS: A total of 48 patients sampled with MFB were identified. Cysts were classified as mucinous on PCF based on extracellular mucin/mucinous epithelium, carcinoembryonic antigen (CEA) levels ≥192 ng/mL, or KRAS/GNAS mutation...
April 16, 2018: Cancer Cytopathology
https://www.readbyqxmd.com/read/29606939/laparoscopic-resection-of-an-epithelial-cyst-in-an-intrapancreatic-accessory-spleen
#13
REVIEW
Kazuhiro Suzumura, Etsuro Hatano, Toshihiro Okada, Yasukane Asano, Naoki Uyama, Ikuo Nakamura, Seikan Hai, Nobutaka Ichikawa, Keiji Nakasho, Jiro Fujimoto
An epithelial cyst in an intrapancreatic accessory spleen (ECIAS) is rare. We herein report a case of a patient with ECIAS who underwent laparoscopic surgery. A 57-year-old woman was referred to our hospital because of a pancreatic tail tumor. She was asymptomatic, and a physical examination revealed no remarkable abnormalities. The levels of the tumor marker carbohydrate antigen 19-9 (CA19-9) and s-pancreas-1 antigen (SPan-1) were elevated. Ultrasonography showed a well-defined homogeneous cystic tumor. Computed tomography showed a well-demarcated cystic tumor in the pancreatic tail...
September 2017: Case Reports in Gastroenterology
https://www.readbyqxmd.com/read/29594465/interpreting-body-mri-cases-classic-findings-in-abdominal-mri
#14
REVIEW
Leann Kania, Flavius Guglielmo, Donald Mitchell
Few things in radiology are "pathognomonic" in their appearance or presentation. However, having an awareness of those findings which are specific to a certain entity is important when interpreting imaging studies. These classic findings can be identified with many imaging modalities, but no modality provides as many recognizable observations as an MRI. This results from the large variety of pulse sequences that provide high contrast resolution, prior to and following contrast administration. In this article, the most classically recognized abdominal findings are presented including the following: Liver: Cyst, hemangioma, focal nodular hyperplasia, hepatic adenoma, hemosiderosis, hepatocellular carcinoma...
March 28, 2018: Abdominal Radiology
https://www.readbyqxmd.com/read/29574408/european-evidence-based-guidelines-on-pancreatic-cystic-neoplasms
#15
(no author information available yet)
Evidence-based guidelines on the management of pancreatic cystic neoplasms (PCN) are lacking. This guideline is a joint initiative of the European Study Group on Cystic Tumours of the Pancreas, United European Gastroenterology, European Pancreatic Club, European-African Hepato-Pancreato-Biliary Association, European Digestive Surgery, and the European Society of Gastrointestinal Endoscopy. It replaces the 2013 European consensus statement guidelines on PCN. European and non-European experts performed systematic reviews and used GRADE methodology to answer relevant clinical questions on nine topics (biomarkers, radiology, endoscopy, intraductal papillary mucinous neoplasm (IPMN), mucinous cystic neoplasm (MCN), serous cystic neoplasm, rare cysts, (neo)adjuvant treatment, and pathology)...
May 2018: Gut
https://www.readbyqxmd.com/read/29560696/benign-premalignant-and-malignant-pancreatic-cystic-lesions-the-pathology-landscape
#16
REVIEW
P Demetter, L Verset
Pancreatic cystic lesions are being increasingly detected in last years. Pancreatic cysts can be classified grossly into pseudocysts and true cysts. In the true cysts group, it is important to distinguish mucinous from non-mucinous cysts because the former are considered being premalignant lesions. In this article the major types of pancreatic cysts are reviewed, with emphasis on the histopathological aspects. Molecular markers in the cyst fluid are being increasingly studied in recent years ; the clinical utility of such biomarkers should be addressed in future studies...
April 2017: Acta Gastro-enterologica Belgica
https://www.readbyqxmd.com/read/29535058/higher-growth-rate-of-branch-duct-intraductal-papillary-mucinous-neoplasms-associates-with-worrisome-features
#17
Jennifer M Kolb, Pamela Argiriadi, Karen Lee, Xiaoyu Liu, Emilia Bagiella, Aimee L Lucas, Michelle Kang Kim, Nikhil A Kumta, Satish Nagula, Umut Sarpel, Christopher J DiMaio
BACKGROUND & AIMS: For patients with branch duct intraductal papillary mucinous neoplasms (BD-IPMNs, cysts), it is a challenge to identify those at high risk for malignant lesions. We sought to identify factors associated with development of pancreatic cancer, focusing on neoplasm growth rate. METHODS: We performed a retrospective study of 189 patients with BD-IPMNs who underwent at least 2 contrast-enhanced cross-sectional imaging studies, 1 year or more apart, at a tertiary referral center from January 2003 through 2013...
March 11, 2018: Clinical Gastroenterology and Hepatology
https://www.readbyqxmd.com/read/29521942/predictors-of-progression-among-low-risk-intraductal-papillary-mucinous-neoplasms-in-a-multicenter-surveillance-cohort
#18
Valerie Gausman, Pujan Kandel, Priscilla A Van Riet, Maria Moris, Maia Kayal, Catherine Do, John M Poneros, Amrita Sethi, Frank G Gress, Beth A Schrope, Lyndon Luk, Elizabeth Hecht, Manol Jovani, Marco J Bruno, Djuna L Cahen, Michael B Wallace, Tamas A Gonda
OBJECTIVES: Our aim was to identify baseline characteristics associated with disease progression and malignant transformation in low-risk suspected intraductal papillary mucinous neoplasms (IPMNs). METHODS: This is a retrospective cohort study of prospectively maintained databases of pancreatic cysts at 3 international, academic institutions. Five hundred fifty-nine adult patients with clinically suspected asymptomatic IPMN evaluated by radiologic studies or endoscopic ultrasound between 2003 and 2013 without worrisome features and under surveillance for 12 months or longer were included...
April 2018: Pancreas
https://www.readbyqxmd.com/read/29510146/feasibility-and-safety-of-microforceps-biopsy-in-the-diagnosis-of-pancreatic-cysts
#19
Omer Basar, Osman Yuksel, Dennis J Yang, Jason Samarasena, David Forcione, Christopher J DiMaio, Mihir S Wagh, Kenneth Chang, Brenna Casey, Carlos Fernandez-Del Castillo, Martha B Pitman, William R Brugge
BACKGROUND AND AIMS: The tissue acquisition and diagnostic yield of cyst fluid cytology is low-to-moderate and rarely provides a specific diagnosis. The aim of this study was to compare the tissue acquisition and diagnostic tissue yield of microforceps biopsy (MFB) with cyst fluid cytology. METHODS: In this multicenter study, data of 42 patients who had cysts both aspirated by EUS-guided FNA (EUS-FNA) and biopsy specimens were then obtained with an MFB device, were collected...
March 3, 2018: Gastrointestinal Endoscopy
https://www.readbyqxmd.com/read/29476610/inspissated-cyst-fluid-in-endoscopic-ultrasound-guided-fine-needle-aspiration-of-pancreatic-cysts
#20
Ivan Chebib, Emily Albanese, Aristana Scourtas, Martha B Pitman
BACKGROUND: Inspissated cyst fluid may be identified on pancreatic cyst aspiration cytology. We report on the cytomorphologic characteristics of inspissated cyst fluid on EUS-FNA of pancreatic cysts and correlate this finding with histopathology or multimodal (cytology, cyst fluid analysis, molecular pathology, imaging) classification of cyst type. METHODS: The department archives were searched for pancreatic cyst fine-needle aspiration biopsies that contained dessicated, crystalline or inspissated material on cytologic preparations...
May 2018: Diagnostic Cytopathology
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