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https://www.readbyqxmd.com/read/28633941/pancreatic-cyst-fluid-vascular-endothelial-growth-factor-a-and-carcinoembryonic-antigen-a-highly-accurate-test-for-the-diagnosis-of-serous-cystic-neoplasm
#1
Rosalie A Carr, Michele T Yip-Schneider, Scott Dolejs, Bradley A Hancock, Huangbing Wu, Milan Radovich, C Max Schmidt
BACKGROUND: Accurate differentiation of pancreatic cystic lesions is important for pancreatic cancer early detection and prevention as well as avoidance of unnecessary surgical intervention. Serous cystic neoplasms (SCN) have no malignant potential, but may mimic premalignant mucinous cystic lesions: mucinous cystic neoplasm (MCN) and intraductal papillary mucinous neoplasm (IPMN). We recently identified vascular endothelial growth factor (VEGF)-A as a novel pancreatic fluid biomarker for SCN...
May 18, 2017: Journal of the American College of Surgeons
https://www.readbyqxmd.com/read/28629796/large-omental-cystic-lymphangioma-masquerading-as-mucinous-ovarian-neoplasia-in-an-8-year-old-premenarchal-girl-the-findings-from-diagnostic-imaging-and-laparoscopic-assisted-excision
#2
Akihiro Takeda, Hiroaki Ito, Hiromi Nakamura
BACKGROUND: Omental cystic lymphangioma is an extremely rare abdominal mass caused by congenital malformation. CASE: An 8-year-old premenarchal girl reported abdominal pain. Diagnostic imaging revealed a large multicystic mass measuring 22 cm in diameter, which occupied the entire abdominal cavity with ascites. Emergency laparoscopy revealed a ruptured large cystic mass originating from the greater omentum; this was followed by successful laparoscopic-assisted excision...
June 16, 2017: Journal of Pediatric and Adolescent Gynecology
https://www.readbyqxmd.com/read/28625071/adult-gastric-duplication-an-unknown-condition-within-the-spectrum-of-gastric-submucosal-lesions
#3
Yurena Caballero Díaz, Macarena Centeno Haro, Ángel Turégano García, Juan Ramón Hernández Hernández
Gastric duplication is an uncommon condition in adults representing only 4-8% of all gastrointestinal duplications. It develops as a cystic growth within the thick gastric wall that is surrounded by a layer of smooth muscle and lined with gastric mucosa. It is usually asymptomatic but may present with nonspecific abdominal symptoms as well as cyst-related complications such as gastrointestinal (GI) bleeding, ulceration and even pancreatitis. They are difficult to distinguish from other gastric submucosal lesions and may also mimic a gastrointestinal tumor (GIST) or mucinous cyst of the pancreas...
June 19, 2017: Revista Española de Enfermedades Digestivas
https://www.readbyqxmd.com/read/28622163/novel-roles-for-mucin-1-in-the-kidney
#4
Mohammad M Al-Bataineh, Rebecca P Hughey
PURPOSE OF REVIEW: Recent studies in the kidney have revealed that the well characterized tumor antigen mucin 1 (MUC1/Muc1) also has numerous functions in the normal and injured kidney. RECENT FINDINGS: Mucin 1 is a transmembrane mucin with a robust glycan-dependent apical targeting signal and efficient recycling from endosomes. It was recently reported that the TRPV5 calcium channel is stabilized on the cell surface by galectin-dependent cross-linking to mucin 1, providing a novel mechanism for regulation of ion channels and normal electrolyte balance...
June 15, 2017: Current Opinion in Nephrology and Hypertension
https://www.readbyqxmd.com/read/28614209/newly-described-entities-in-salivary-gland-pathology
#5
Alena Skálová, Douglas R Gnepp, James S Lewis, Jennifer L Hunt, Justin A Bishop, Henrik Hellquist, Alessandra Rinaldo, Vincent Vander Poorten, Alfio Ferlito
Salivary glands may give rise to a wide spectrum of different tumors. This review concentrates on 4 salivary gland tumors that have been accepted in the recent literature as new neoplastic entities: mammary analog secretory carcinoma, cribriform adenocarcinoma of minor salivary glands (CASG), sclerosing polycystic adenosis/adenoma (SPA), and the mucinous/secretory variant of myoepithelioma. Mammary analog secretory carcinoma is a distinctive low-grade malignant salivary cancer that harbors a characteristic chromosomal translocation, t(12;15) (p13;q25), resulting in an ETV6-NTRK3 fusion...
June 13, 2017: American Journal of Surgical Pathology
https://www.readbyqxmd.com/read/28611955/uncovering-differences-in-virulence-markers-associated-with-achromobacter-species-of-cf-and-non-cf-origin
#6
Brankica Filipic, Milka Malesevic, Zorica Vasiljevic, Jovanka Lukic, Katarina Novovic, Milan Kojic, Branko Jovcic
Achromobacter spp. are recognized as emerging pathogens in hospitalized as well as in cystic fibrosis (CF) patients. From 2012 to 2015, we collected 69 clinical isolates (41 patient) of Achromobacter spp. from 13 patients with CF (CF isolates, n = 32) and 28 patients receiving care for other health conditions (non-CF isolates, n = 37). Molecular epidemiology and virulence potential of isolates were examined. Antimicrobial susceptibility, motility, ability to form biofilms and binding affinity to mucin, collagen, and fibronectin were tested to assess their virulence traits...
2017: Frontiers in Cellular and Infection Microbiology
https://www.readbyqxmd.com/read/28607090/gel-forming-mucins-form-distinct-morphologic-structures-in-airways
#7
Lynda S Ostedgaard, Thomas O Moninger, James D McMenimen, Nicholas M Sawin, Connor P Parker, Ian M Thornell, Linda S Powers, Nicholas D Gansemer, Drake C Bouzek, Daniel P Cook, David K Meyerholz, Mahmoud H Abou Alaiwa, David A Stoltz, Michael J Welsh
Gel-forming mucins, the primary macromolecular components of airway mucus, facilitate airway clearance by mucociliary transport. In cystic fibrosis (CF) altered mucus properties impair mucociliary transport. Airways primarily secrete two closely related gel-forming mucins, MUC5B and MUC5AC. However, their morphologic structures and associations in airways that contain abundant submucosal glands and goblet cells are uncertain. Moreover, there is limited knowledge about mucins in airways not affected by inflammation, infection, or remodeling or in CF airways...
June 12, 2017: Proceedings of the National Academy of Sciences of the United States of America
https://www.readbyqxmd.com/read/28606862/pathogenicity-profile-of-vibrio-parahaemolyticus-in-farmed-pacific-white-shrimp-penaeus-vannamei
#8
R Ananda Raja, R Sridhar, C Balachandran, A Palanisammi, S Ramesh, K Nagarajan
A pathobiological study was conducted using Vibrio parahaemolyticus (VP) strain isolated from vibriosis affected shrimp (Penaeus vannamei) farms in Kancheepuram and Thiruvallur districts of Tamil Nadu during August 2014 to February 2015. The isolate was identified based on the morphological, physiological, biochemical and molecular characters. LD50 value with intramuscular injection was determined as 2.6 × 10(4) cfu/shrimp and sequential pathology was studied giving 6.1 × 10(3) cfu/shrimp (LD25). Total plate count (TPC) and total Vibrio count (TVC) in water, pond sediment, haemolymph, muscle, HP and gut were found significantly (P < 0...
June 9, 2017: Fish & Shellfish Immunology
https://www.readbyqxmd.com/read/28599482/an-unusual-case-of-pseudomyxoma-peritonei-associated-with-synchronous-primary-mucinous-tumors-of-the-ovary-and-appendix-a-case-report
#9
Dong Soo Suh, Yong Jung Song, Byung Su Kwon, Sul Lee, Nam Kyung Lee, Kyung Un Choi, Ki Hyung Kim
Pseudomyxoma peritonei (PMP) is a rare disease that usually originates from mucinous neoplasms of the appendix and, less commonly, from extra-appendiceal tumors, but it may also be caused by synchronous primary mucinous tumors of the ovary and appendix. The current study discusses the case of a 73-year-old female who presented with progressively worsening indigestion and abdominal distension. Magnetic resonance imaging of the pelvis revealed a large cystic mass with a thin enhancing septa arising from the right ovary and ascites with scalloping of the liver surface...
June 2017: Oncology Letters
https://www.readbyqxmd.com/read/28590817/long-term-surveillance-and-timeline-of-progression-of-presumed-low-risk-intraductal-papillary-mucinous-neoplasms
#10
Maia Kayal, Lyndon Luk, Elizabeth M Hecht, Catherine Do, Beth A Schrope, John A Chabot, Tamas A Gonda
OBJECTIVE: The purpose of this study was to assess risk of progression and rate of growth of presumed low-risk branch duct intraductal papillary mucinous neoplasms surveyed for more than 4 years. MATERIALS AND METHODS: A keyword search of electronic medical charts was performed for the years 2001-2013. Cystic lesions that met the criteria for clinical branch duct intraductal papillary mucinous neoplasm, lacked baseline high-risk or worrisome features, and had more than 4 years of surveillance were included in this study...
June 7, 2017: AJR. American Journal of Roentgenology
https://www.readbyqxmd.com/read/28588880/estimation-of-the-prevalence-of-intraductal-papillary-mucinous-neoplasm-of-the-pancreas-in-the-french-population-through-patients-waiting-for-liver-transplantation
#11
Lucie Laurent, Marie-Pierre Vullierme, Vinciane Rebours, Frédérique Maire, Olivia Hentic, Claire Francoz, François Durand, Philippe Ruszniewski, Philippe Lévy
BACKGROUND AND AIMS: Some studies have explored the prevalence of pancreatic cystic lesions (PCLs). Only one study based on magnetic resonance imaging (MRI) report examination focused specifically on intraductal papillary mucinous neoplasm (IPMN) in a European general population. The aim of this study was to evaluate the prevalence of IPMN in a population of patients who had MRI for a non-pancreatic disease. METHODS: We conducted a retrospective, single-center study...
June 2017: United European Gastroenterology Journal
https://www.readbyqxmd.com/read/28573215/molecular-histologic-and-radiologic-findings-of-high-grade-invasive-adenocarcinoma-arising-in-oncocytic-subtype-of-intraductal-papillary-mucinous-neoplasm-a-case-report-and-review-of-literature
#12
Jared Shows, Christan Bartsch, Heather Carmichael, Irfan Qureshi, Barish Edil, Hubert Fenton
Background: We present a case of adenocarcinoma arising in the oncocytic subtype of intraductal papillary mucinous neoplasm (O-IPMN), with emphasis on the molecular findings in the adenocarcinoma component. Tissue microdissection and next-generation sequencing were performed using a 26 gene panel (AKT1, ALK, APC, BRAF, CDH1, CTNNB1, EGFR, ERBB2, FBXW7, FGFR2, FOXL2, GNAQ, GNAS, KIT, KRAS, MAP2K1, MET, MSH6, NRAS, PDGFRA, PIK3CA, PTEN, SMAD4, SRC, STK11, TP53) of cancer-related genes. Case Presentation: A 69-year-old Caucasian female presented with chest pain and was found to have findings consistent with acute pancreatitis...
2017: J Pancreat Cancer
https://www.readbyqxmd.com/read/28570009/mucinous-cystic-neoplasms-of-the-liver-and-pancreas-relationship-between-kras-driver-mutations-and-disease-progression
#13
Kohei Fujikura, Masayuki Akita, Shiho Abe-Suzuki, Tomoo Itoh, Yoh Zen
AIMS: To compare the oncogenic mutation status among mucinous cystic neoplasms (MCNs) of different histological grades and between liver and pancreatic MCNs. METHODS AND RESULTS: KRAS, GNAS, RNF43 and PIK3CA were sequenced in 25 surgical cases of hepatopancreatic MCNs. Molecular features were correlated with clinicopathological and immunohistochemical findings. KRAS mutations were identified in 5 cases (20%), while GNAS, RNF43 and PIK3CA were the wild-type in all cases...
June 1, 2017: Histopathology
https://www.readbyqxmd.com/read/28567485/mucinous-nonneoplastic-cyst-of-the-pancreas-ct-and-mri-appearances
#14
Kousei Ishigami, Akihiro Nishie, Naoki Mochidome, Yoshiki Asayama, Yasuhiro Ushijima, Daisuke Kakihara, Daisuke Okamoto, Nobuhiro Fujita, Takao Ohtsuka, Yoshihiro Miyasaka, Tomoyuki Hida, Tomoharu Yoshizumi, Hiroshi Honda
PURPOSE: The purpose of this retrospective study was to evaluate imaging features of mucinous nonneoplastic cyst (MNNC) of the pancreas. MATERIALS AND METHODS: Three (0.9%) patients with MNNC of the pancreas were found in 335 surgically resected pancreatic cystic lesions. Three MDCT and two MRI/MRCP studies were retrospectively reviewed. RESULTS: Three cases of MNNC were found in the pancreatic neck, body, and tail, respectively. All the three cases were multilocular without communication with the main pancreatic duct (MPD), although upstream MPD dilatation was seen in two of the three cases...
May 31, 2017: Abdominal Radiology
https://www.readbyqxmd.com/read/28566895/in-vivo-and-ex-vivo-confocal-endomicroscopy-of-pancreatic-cystic-lesions-a-prospective-study
#15
Somashekar G Krishna, Rohan M Modi, Amrit K Kamboj, Benjamin J Swanson, Phil A Hart, Mary E Dillhoff, Andrei Manilchuk, Carl R Schmidt, Darwin L Conwell
AIM: To investigate the reproducibility of the in vivo endoscopic ultrasound (EUS) - guided needle based confocal endomicroscopy (nCLE) image patterns in an ex vivo setting and compare these to surgical histopathology for characterizing pancreatic cystic lesions (PCLs). METHODS: In a prospective study evaluating EUS-nCLE for evaluation of PCLs, 10 subjects underwent an in vivo nCLE (AQ-Flex nCLE miniprobe; Cellvizio, MaunaKea, Paris, France) during EUS and ex vivo probe based CLE (pCLE) of the PCL (Gastroflex ultrahigh definition probe, Cellvizio) after surgical resection...
May 14, 2017: World Journal of Gastroenterology: WJG
https://www.readbyqxmd.com/read/28552018/molecular-biomarkers-have-the-potential-to-improve-the-diagnostic-work-up-of-pancreatic-cystic-lesions
#16
Julie Isabelle Plougmann, Pia Klausen, John Gásdal Karstensen, Peter Vilmann, Jane Preuss Hasselby, Carsten Palnæs Hansen, Evangelos Kalaitzakis
Pancreatic cysts are increasingly diagnosed due to the widespread use of cross-sectional imaging, and some of these lesions harbor malignant potential. Mucinous cystic neoplasms and intraductal papillary mucinous neoplasms are the major premalignant cystic neoplasms of the pancreas. A variety of diagnostic tools are used to predict the malignant potential of these cysts, but specificity and sensitivity are limited. Thus, many patients undergo unnecessary operations for benign cysts. Balancing the risks of watchful waiting with those of operative management is key in managing these lesions...
May 27, 2017: Scandinavian Journal of Gastroenterology
https://www.readbyqxmd.com/read/28540626/cross-sectional-prevalence-of-pancreatic-cystic-lesions-in-patients-with-acromegaly-a-single-center-experience
#17
Yukiko Odake, Hidenori Fukuoka, Masaaki Yamamoto, Yoshifumi Arisaka, Junya Konishi, Kenichi Yoshida, Ryusaku Matsumoto, Hironori Bando, Kentaro Suda, Hitoshi Nishizawa, Genzo Iguchi, Shozo Yamada, Wataru Ogawa, Yutaka Takahashi
PURPOSE: Acromegaly is a disease associated with an increased risk for several kinds of neoplasms including colon and thyroid cancer. Although the association between acromegaly and pancreatic neoplasms has not been elucidated, it has recently been reported that GNAS gene mutations were found in 58% of intraductal papillary mucinous neoplasms (IPMNs), which are representative pancreatic cystic lesions, suggesting a link between IPMNs and acromegaly. To assess the prevalence of pancreatic cystic lesions in patients with acromegaly, we performed a retrospective cross-sectional single institute study...
May 24, 2017: Pituitary
https://www.readbyqxmd.com/read/28528374/pancreatic-cysts-and-guidelines
#18
REVIEW
James J Farrell
Pancreatic cysts, especially incidental asymptomatic ones seen on noninvasive imaging such as CT or MR imaging, remain a clinical challenge. The etiology of such cysts may range from benign cysts without any malignant potential such as pancreatic pseudocysts and serous cystadenomas to premalignant or frankly malignant cysts such as mucinous cystic neoplasms, intraductal papillary mucinous neoplasms, cystic degeneration associated with solid tumors such as pancreatic ductal adenocarcinoma or pancreatic endocrine neoplasms, and solid pseudopapillary neoplasms...
May 20, 2017: Digestive Diseases and Sciences
https://www.readbyqxmd.com/read/28527820/adventitial-cystic-disease-of-radial-artery-apropos-of-a-case-and-review-of-literature
#19
Álvaro Torres-Blanco, Luis Ariel Pepén-Moquete, Vicente Molina-Nácher, Francisco Gómez-Palonés
Adventitial cystic disease is an uncommon condition that is characterized by the collection of mucinous material that accumulates in the adventitial layer of the artery. Predominantly, this entity affects the popliteal artery, whereas it is extremely rare in the radial artery. We report a 72-year-old female patient that underwent surgical treatment of an adventitial cyst of the right radial artery. The involved arterial segment was resected, and reconstruction by means of the interposition of a saphenous vein graft was performed...
May 11, 2017: Cardiovascular Pathology: the Official Journal of the Society for Cardiovascular Pathology
https://www.readbyqxmd.com/read/28522787/surgical-treatment-of-pancreatic-cystic-tumors
#20
Beata Jabłońska, Łukasz Braszczok, Weronika Szczęsny-Karczewska, Beata Dubiel-Braszczok, Paweł Lampe
The aim of this study was to assess short-term outcomes of surgical treatment of pancreatic cystic tumors (PCTs). MATERIAL AND METHODS: We retrospectively reviewed medical records of 46 patients (31 women and 15 men) who had undergone surgery for pancreatic cystic tumors in our department. RESULTS: Pancreatic cystic tumors were located within the pancreatic head (21), body (11), tail (13), and whole pancreas (1). The following surgical procedures were performed: pancreatoduodenectomy (20), central pancreatectomy (9), distal pancreatectomy (3), distal pancreatectomy with splenectomy (3), distal extended pancreatectomy with splenectomy (2), total pancreatectomy (1), duodenum preserving pancreatic head resection (1), local tumor resection (4), and other procedures (2)...
February 28, 2017: Polski Przeglad Chirurgiczny
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