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Pancreatic cysts

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https://www.readbyqxmd.com/read/28099258/patient-preferences-for-management-of-cystic-neoplasms-of-the-pancreas-a-cross-sectional-survey-study
#1
Dhruv Verma, Karl K Kwok, Bechien U Wu
OBJECTIVE: The aim of this study was to determine how patient anxiety, knowledge, and cancer worry influence preferences for management of pancreatic cysts. METHODS: We performed a prospective, cross-sectional study using a disease-specific survey instrument. We included patients older than 18 years who were diagnosed with a pancreatic cyst. A telephone survey instrument was developed to assess baseline anxiety using the Hospital Anxiety and Depression Scale (HADS), knowledge regarding pancreatic cysts, cancer worry, and patient preferences using a standard gamble...
January 18, 2017: Pancreas
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/28077753/prevalence-location-and-concurrent-diseases-of-ultrasonographic-cyst-like-lesions-of-abdominal-lymph-nodes-in-dogs
#3
A Liotta, F Billen, M Heimann, A Hamaide, M Rizza, A L Etienne, G Bolen
Lymph nodal cyst-like lesions are occasionally identified during abdominal ultrasound in dogs. However, a study evaluating their prevalence and clinical significance is lacking. The aim of this observational cross-sectional study was to evaluate prevalence, most common location and concurrent diseases of cyst-like lymph nodes detected during abdominal ultrasound. Affected lymph nodes, patient signalment and concurrent diseases of dogs with cyst-like lymph nodal lesions having undergone abdominal ultrasound over a one-year period were recorded...
January 11, 2017: Veterinary Record
https://www.readbyqxmd.com/read/28072692/role-of-biochemistry-and-cytological-analysis-of-cyst-fluid-for-the-differential-diagnosis-of-pancreatic-cysts-a-retrospective-cohort-study
#4
Ozlem Mutluay Soyer, Bulent Baran, Asli Ciftcibasi Ormeci, Davut Sahin, Suut Gokturk, Sami Evirgen, Rafet Basar, Pinar Firat, Filiz Akyuz, Kadir Demir, Fatih Besisik, Sabahattin Kaymakoglu, Cetin Karaca
BACKGROUND: Management of pancreatic cysts is based on neoplastic-nonneoplastic discrimination. Endoscopic ultrasound (EUS) enables to differentiate neoplastic-nonneoplastic lesions and also allows fine-needle aspiration (FNA). In this study, we aim to assess feasibility and clinical relevance of cytological and biochemical analysis in differential diagnosis of cystic pancreatic lesions in patients who had undergone endoscopic ultrasound-guided fine needle aspiration (EUS-FNA) due to pancreatic cysts...
January 2017: Medicine (Baltimore)
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/28054178/hemosuccus-pancreaticus-caused-by-a-mucinous-cystic-neoplasm-of-the-pancreas
#6
Yuri Matsumoto, Hiroshi Miyamoto, Akira Fukuya, Fumika Nakamura, Takahiro Goji, Shinji Kitamura, Tetsuo Kimura, Koichi Okamoto, Masahiro Sogabe, Naoki Muguruma, Mitsuo Shimada, Yoshimi Bando, Tetsuji Takayama
Hemosuccus pancreaticus is a gastrointestinal hemorrhage through the main pancreatic duct. Here, we report a rare case of hemosuccus pancreaticus due to a mucinous cystic neoplasm of the pancreas. A 62-year-old woman who had been followed for a branch duct intraductal papillary mucinous neoplasm visited our emergency room due to severe abdominal pain and bloody discharge. Computed tomography revealed that the pancreatic cyst increased the tension of the wall and a high-density area indicative of bleeding into the cyst was observed...
January 4, 2017: Clinical Journal of Gastroenterology
https://www.readbyqxmd.com/read/28047379/mo-de-207a-02-a-feature-preserving-image-reconstruction-method-for-improved-pancreaticlesion-classification-in-diagnostic-ct-imaging
#7
J Xu, B Tsui, F Noo
PURPOSE: To develop a feature-preserving model based image reconstruction (MBIR) method that improves performance in pancreatic lesion classification at equal or reduced radiation dose. METHODS: A set of pancreatic lesion models was created with both benign and premalignant lesion types. These two classes of lesions are distinguished by their fine internal structures; their delineation is therefore crucial to the task of pancreatic lesion classification. To reduce image noise while preserving the features of the lesions, we developed a MBIR method with curvature-based regularization...
June 2016: Medical Physics
https://www.readbyqxmd.com/read/28030856/criteria-for-determining-malignancy-in-pancreatic-intraductal-papillary-mucinous-neoplasm-based-on-computed-tomography
#8
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/28002329/incidental-pancreatic-cystic-neoplasms-in-an-asymptomatic-healthy-population-of-21-745-individuals-large-scale-single-center-cohort-study
#9
Ye Rim Chang, Joo Kyung Park, Jin-Young Jang, Wooil Kwon, Jeong Hee Yoon, Sun-Whe Kim
Although incidental pancreatic cystic neoplasms are being diagnosed with increasing frequency, little is known about the accurate prevalence of pancreatic cysts in the general population. The aims of this study were to evaluate the crude prevalence rate of pancreatic cystic neoplasms in asymptomatic healthy adults, and calculate the age- and sex-adjusted nationwide prevalence rate.A total of 21,745 asymptomatic individuals who underwent abdominal computed tomography (CT) as a health screening examination were enrolled between 2003 and 2013 at the Seoul National University Hospital Healthcare System Gangnam Center...
December 2016: Medicine (Baltimore)
https://www.readbyqxmd.com/read/28000653/laparoscopic-spleen-preserving-distal-pancreatectomy-for-a-primary-hydatid-cyst-mimicking-a-mucinous-cystic-neoplasia
#10
Tugan Tezcaner, Yahya Ekici, Onur Huseyin Aydın, Gonca Barit, Gökhan Moray
Pancreatic hydatid cysts are fairly rare. The disease can be encountered concurrently with systemic involvement or as an isolated pancreatic involvement. We report the first case of spleen-preserving laparoscopic distal pancreatectomy for a pancreatic hydatid cyst. There was no complication or recurrence. A 55-year-old woman was admitted to our centre with epigastric and back pain. Upper abdominal magnetic resonance imaging revealed a solitary cystic lesion with septations at the pancreatic tail level measuring 24 mm × 18 mm, which was initially thought to be a pancreatic mucinous cystic neoplasia...
December 21, 2016: Journal of Minimal Access Surgery
https://www.readbyqxmd.com/read/27995190/learning-curve-for-endoscopic-ultrasound-guided-fine-needle-aspiration-eus-fna-of-pancreatic-lesions-in-a-novel-ex-vivo-simulation-model
#11
J M Gonzalez, J Cohen, M A Gromski, K Saito, A Loundou, K Matthes
Background: Endoscopic ultrasound-guided fine-needle aspiration (EUS-FNA) is essential in the management of digestive cancers. However, teaching and learning this technique remain challenging due to the lack of cost-effective models. Material and methods: This was a prospective experimental study using a complete porcine upper gastrointestinal ex-vivo organ package, placed in an Erlangen Active Simulator for Interventional Endoscopy (EASIE-R), and prepared with one cyst and two solid masses (2 cm). Five fellows inexperienced in EUS-FNA were enrolled, performing 10 procedures on each lesion, alternatively...
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
#12
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/27981313/a-case-of-serous-cystadenoma-communicating-with-a-stenotic-santorini-s-duct-and-a-dilated-main-pancreatic-duct
#13
Hiroyuki Matsubayashi, Yurika Oka, Takaaki Ito, Katsuhiko Uesaka, Keiko Sasaki, Hiroyuki Ono
A 59-year-old woman was referred for investigation of a pancreatic cystic lesion. Computed tomography revealed a well-demarcated, multilocular cyst, approximately 4 cm in size, at the pancreas head. Endoscopic ultrasonography demonstrated honeycomb-like components at the cyst margin. The cyst was associated with a widely-dilated upstream main pancreatic duct (MPD). Endoscopic retrograde pancreatography demonstrated a communication between the stenotic Santorini's duct and the cyst. Aspiration cytology from the cyst demonstrated clusters of mucinous epithelial neoplasm cells...
December 2016: Journal of Gastrointestinal and Liver Diseases: JGLD
https://www.readbyqxmd.com/read/27955751/eus-for-pancreatic-cystic-neoplasms-the-roadmap-to-the-future-is-much-more-than-just-a-few-shades-of-gray
#14
REVIEW
Tejas Kirtane, Manoop S Bhutani
Pancreatic cystic and neoplasms are being diagnosed with increasing frequency. Accurate diagnosis and determination of benign versus malignant lesions is crucial for determining need for surveillance versus surgery or endoscopic therapy as well as avoiding unnecessary surgery in cysts with no malignant potential. Tumor markers such as KRAS and GNAS hold promise, but which molecular marker or a combination of markers is most useful and cost effective remains to be seen. Advanced imaging with confocal laser endomicroscopy can serve as an optical biopsy and play a part in the diagnostic algorithm...
December 2016: Asian Pacific Journal of Tropical Medicine
https://www.readbyqxmd.com/read/27943060/massive-ascites-caused-by-intra-pancreatic-arterioportal-fistula-a-rare-complication-of-chronic-pancreatitis
#15
Tomoo Yamazaki, Yasuhide Ochi, Naoki Tanaka, Takayuki Watanabe, Yugo Iwaya, Ayako Seki, Etsuo Hara, Eiji Tanaka, Tomoharu Watanabe, Shun Imai, Osamu Hasebe
An 86-year-old man with a long-term habit of ethanol consumption was admitted due to massive transudate ascites and leg edema. Abdominal computed tomography revealed a dilated main pancreatic duct and atrophied pancreatic parenchyma, leading to the diagnosis of chronic pancreatitis. Moreover, the portal vein was enhanced in the early arterial phase, which indicated the presence of an arterioportal fistula. The fistula was located between the posterior superior pancreaticoduodenal artery and the portal vein near a pancreatic retention cyst...
December 10, 2016: Clinical Journal of Gastroenterology
https://www.readbyqxmd.com/read/27931109/giant-symptomatic-pancreatic-cyst-mimicking-a-malignant-tumor
#16
Lucas Souto Nacif, Joana Ferrer Fábrega, Rocío García Pérez, Juan Carlos García-Valdecasas
BACKGROUND: Pancreatic cystic lesions found in the literature are estimated between 2.6-19.6%. These neoplasms are almost exclusively benign tumors, and rarely become malignant. The aim of this paper was to report a feasible total pancreatectomy with portal resection in a giant pancreatic serous cystadenoma mimicking a malignant tumor. CASE PRESENTATION: A healthy 52-year-old female patient presented to us with a giant pancreatic cyst with unknown preoperative diagnosis and a secondary dilatation of the Wirsung duct, and unclear vascular invasion...
December 2016: Revista Española de Enfermedades Digestivas
https://www.readbyqxmd.com/read/27926784/preoperative-characteristics-and-cytological-features-of-136-histologically-confirmed-pancreatic-mucinous-cystic-neoplasms
#17
Aristana Scourtas, Jonathan C Dudley, William R Brugge, Abdurrahman Kadayifci, Mari Mino-Kenudson, Martha B Pitman
BACKGROUND: Mucinous cystic neoplasms (MCNs) of the pancreas present a management conundrum. The majority are benign but all are resected due to their malignant potential. Recent studies have recommended nonsurgical management. In the current study, the authors analyzed the preoperative imaging, cytology, and cyst fluid characteristics of 136 histologically confirmed MCNs to assess predictors of a high-risk (HR) cyst for surgical triage. METHODS: MCNs resected at the Massachusetts General Hospital between 1990 and 2014 formed the study cohort...
December 7, 2016: Cancer
https://www.readbyqxmd.com/read/27926368/genetic-syndromes-with-pancreatic-manifestations
#18
REVIEW
Meredith E Pittman, Lodewijk A A Brosens, Laura D Wood
Although the pancreas is affected by only a small fraction of known inherited disorders, several of these syndromes predispose patients to pancreatic adenocarcinoma, a cancer that has a consistently dismal prognosis. Still other syndromes are associated with neuroendocrine tumors, benign cysts, or recurrent pancreatitis. Because of the variability of pancreatic manifestations and outcomes, it is important for clinicians to be familiar with several well-described genetic disorders to ensure that patients are followed appropriately...
December 2016: Surgical Pathology Clinics
https://www.readbyqxmd.com/read/27926366/analysis-of-pancreatic-cyst-fluid
#19
REVIEW
Saowanee Ngamruengphong, Anne Marie Lennon
Pancreatic cysts are extremely common, and are identified in between 2% to 13% on abdominal imaging studies. Most pancreatic cysts are pseudocysts, serous cystic neoplasms, mucinous cystic neoplasms, or intraductal papillary mucinous neoplasms. The management of pancreatic cysts depends on whether a cyst is benign, has malignant potential, or harbors high-grade dysplasia or invasive carcinoma. The diagnosis of pancreatic cysts, and assessment of risk of malignant transformation, incorporates clinical history, computed tomography (CT), magnetic resonance imaging (MRI), endoscopic ultrasound, and fine-needle aspiration of cyst fluid...
December 2016: Surgical Pathology Clinics
https://www.readbyqxmd.com/read/27926365/pancreatic-cytopathology
#20
REVIEW
Jennifer A Collins, Syed Z Ali, Christopher J VandenBussche
Pancreatic cytopathology, particularly through the use of endoscopic ultrasound-guided fine-needle aspiration (FNA), has excellent specificity and sensitivity for the diagnosis of pancreatic lesions. Such diagnoses can help guide preoperative management of patients, provide prognostic information, and confirm diagnoses in patients who are not surgical candidates. Furthermore, FNA can be used to obtain cyst fluid for ancillary tests that can improve the diagnosis of cystic lesions. In this article, we describe the cytomorphological features and differential diagnoses of the most commonly encountered pancreatic lesions on FNA...
December 2016: Surgical Pathology Clinics
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