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https://www.readbyqxmd.com/read/29931984/giant-hepatobiliary-cystadenoma-clinic-pathological-findings
#1
Héctor-Enrique Lozano-Ramírez, Pablo Ramírez-Mendoza, José Luis Beristain-Hernández
Hepatic mucinous cystic neoplasms represent a challenging pathology due to their very low frequency, insidious presentation and unclear demography due to the limited cases reported to date. Surgical treatment is mandatory when possible to prevent recurrence and malignant transformation. The case presented herein has a peculiarity, mainly an increased level of CA 19-9 which has not been previously reported.
June 22, 2018: Revista Española de Enfermedades Digestivas
https://www.readbyqxmd.com/read/29908179/mucinous-cystic-neoplasia-with-denuded-epithelium-eus-through-the-needle-biopsy-diagnosis
#2
Luca Barresi, Matteo Tacelli, Gaia Chiarello, Ilaria Tarantino, Mario Traina
No abstract text is available yet for this article.
June 13, 2018: Gastrointestinal Endoscopy
https://www.readbyqxmd.com/read/29905187/recurrent-cholangitis-due-to-intraductal-papillary-mucinous-neoplasm-of-a-cystic-duct-remnant
#3
Umangi Patel, Alejandro Mejia, William Torres, Prashant Kedia, Paul Tarnasky
No abstract text is available yet for this article.
January 2018: VideoGIE: an official video journal of the American Society for Gastrointestinal Endoscopy
https://www.readbyqxmd.com/read/29899320/pancreatic-cystic-lesions-pathogenesis-and-malignant-potential
#4
REVIEW
Antoinette J Pusateri, Somashekar G Krishna
Pancreatic cancer remains one of the most lethal cancers despite extensive research. Further understanding of precursor lesions may enhance the ability to treat and prevent pancreatic cancer. Pancreatic cystic lesions (PCLs) with malignant potential include: mucinous PCLs (intraductal papillary mucinous neoplasms and mucinous cystic neoplasm), solid pseudopapillary tumors and cystic neuroendocrine tumors. This review summarizes the latest literature describing what is known about the pathogenesis and malignant potential of these PCLs, including unique epidemiological, radiological, histological, genetic and molecular characteristics...
June 13, 2018: Diseases (Basel)
https://www.readbyqxmd.com/read/29890488/pancreatobiliary-fistula-associated-with-intraductal-papillary-mucinous-carcinoma-accompanying-obstructive-jaundice-a-case-report
#5
Toshiaki Komo, Koichi Oishi, Toshihiko Kohashi, Jun Hihara, Mikihiro Kanou, Akira Nakashima, Mayumi Kaneko, Hidenori Mukaida, Naoki Hirabayashi
INTRODUCTION: Intraductal papillary mucinous neoplasms (IPMNs) occasionally involve formation of fistulas with other adjacent organs. Pancreatobiliary fistulas associated with IPMNs are rare, but affected patients often develop obstructive jaundice and cholangitis. PRESENTATION OF CASE: A 79-year-old man was referred to our hospital for evaluation of abnormal biliary enzymes. Contrast-enhanced computed tomography and endoscopic retrograde cholangiopancreatography demonstrated multiple cystic lesions with septa in the pancreatic head and fistulas between the cystic lesions and common bile duct...
June 4, 2018: International Journal of Surgery Case Reports
https://www.readbyqxmd.com/read/29882386/steroidogenesis-in-ovarian-like-mesenchymal-stroma-of-hepatic-and-pancreatic-mucinous-cystic-neoplasms
#6
Hiroyuki Kumata, Keigo Murakami, Kazuyuki Ishida, Shigehito Miyagi, Atsushi Arakawa, Yoshiaki Inayama, Keiichi Kinowaki, Atsushi Ochiai, Motohiro Kojima, Michiyo Higashi, Suzuko Moritani, Kyoko Kuwahara, Yukio Nakatani, Dai Kajiura, Gen Tamura, Hiroshi Kijima, Mitsunori Yamakawa, Taizo Shiraishi, Yukinori Inadome, Kazuhiro Murakami, Hiroyoshi Suzuki, Takashi Sawai, Michiaki Unno, Takashi Kamei, Hironobu Sasano
Mucinous cystic neoplasms (MCNs) occur in the ovary, pancreas and retroperitoneum but very rarely in the liver. MCNs are known to harbor ovarian-like mesenchymal stroma (OLS) expressing progesterone- and estrogen receptors. In this study we evaluated steroidogenesis in OLS of 25 hepatic MCNs and 24 pancreatic MCNs. Both steroid receptors and steroidogenic factors were immunohistochemically evaluated using H-score and results were compared with those in 15 ovarian MCNs and 10 normal ovaries. Androgen receptor (AR) H-scores in OLS were significantly higher in hepatic, pancreatic and ovarian MCN than those in normal ovaries...
June 7, 2018: Hepatology Research: the Official Journal of the Japan Society of Hepatology
https://www.readbyqxmd.com/read/29805823/tubulocystic-carcinoma-of-the-bile-duct
#7
Masahiro Takeuchi, Yoshitaka Sakamoto, Hirotsugu Noguchi, Sohsuke Yamada, Keiji Hirata
Tubulocystic carcinoma of the bile duct is extremely rare and has not been reported in the literature. We reported a case of cystic neoplasm of the liver with distinct histopathological features that could not be clearly classified as of either mucinous or intraductal papillary neoplasm. A 68-year-old Japanese patient had a multicystic biliary tumor within the liver. This tumor was detected on follow-up of polymyalgia rheumatica. The exophytic, multicystic, 35 × 50 mm mass was composed of complex tubulocystic structures...
2018: Case Reports in Hepatology
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
#8
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/29783799/-primary-carcinoid-of-ovary-a-clinicopathologic-analysis-of-17-cases
#9
R Zhu, X W Xue, Y F Luo, H W Wu, Z Huo
Objective: To study the clinicopathologic feature, diagnostic strategy and prognostic significance of primary carcinoid of the ovary (PCOTO). Methods: A series of 17 patients previously diagnosed as PCOTO at Department of Pathology, Peking Union Medical College Hospital during the period from 2002 to 2017 were evaluated with clinical data analysis, histopathology and immunohistochemistry, and the patients were followed up and the relevant literatures were reviewed. Results: The age of patients ranged from 24 to 64 years (mean, 42 years)...
May 8, 2018: Zhonghua Bing Li Xue za Zhi Chinese Journal of Pathology
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
#10
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/29771769/systemic-chemotherapy-for-advanced-rare-pancreatic-histotype-tumors-a-retrospective-multicenter-analysis
#11
Oronzo Brunetti, Giuseppe Aprile, Paolo Marchetti, Enrico Vasile, Andrea Casadei Gardini, Mario Scartozzi, Sandro Barni, Sara Delfanti, Fernando De Vita, Francesco Di Costanzo, Michele Milella, Chiara Alessandra Cella, Rossana Berardi, Ivana Cataldo, Aldo Scarpa, Debora Basile, Federica Mazzuca, Giusi Graziano, Antonella Argentiero, Daniele Santini, Michele Reni, Stefano Cascinu, Nicola Silvestris
OBJECTIVES: Two issues were put forth by clinicians in the management of the advanced stages of rare variants of pancreatic ductal adenocarcinoma and other exocrine histotypes with peculiar clinical and pathological features: Do chemotherapy regimens recommended in pancreatic ductal adenocarcinoma patients have a clinical activity in rare pancreatic tumors? Or should other chemotherapy combinations be considered in this subset of patients? METHODS: We conducted a multicenter retrospective study that collected data from 2005 to 2016 at 14 Italian cancer centers with the aim to evaluate tumor response and time to progression for first- and second-line and overall survival...
May 15, 2018: Pancreas
https://www.readbyqxmd.com/read/29744127/virilization-of-a-postmenopausal-woman-by-a-mucinous-cystoadenoma
#12
Sara Alonso Díaz, Belén Vega Piñero, Lía Nattero Chávez, Ignacio Pinilla Pagnon, Andrés Ortiz-Flores, Manuel Luque-Ramírez
Objective: To describe the case of the most hyperandrogenaemic ovarian mucinous cystadenoma reported to date. Methods: We present the clinical, laboratory and radiologic findings in a patient with an unusual diagnosis according to age and the clinical behaviour of the tumour, as well as a review of relevant literature. Results: A 77-year-old women came to our consult because of fronto-parietal alopecia and an augmentation of the abdominal perimeter since 1 year ago...
January 2018: Oxford Medical Case Reports
https://www.readbyqxmd.com/read/29735801/mucinous-cystic-neoplasm-of-the-liver-or-intraductal-papillary-mucinous-neoplasm-of-the-bile-duct-a-case-report-and-a-review-of-literature
#13
Lumir Kunovsky, Zdenek Kala, Roman Svaton, Petr Moravcik, Jan Mazanec, Jakub Husty, Vladimir Prochazka
Mucinous cystic neoplasm of the liver (MCN-L) and intraductal papillary mucinous neoplasm of the bile duct (IPMN-B) are diagnoses that were classified by the World Health Organization in 2010 as mucin-producing bile duct tumors of the hepatobiliary system. The preoperative differential diagnosis between these two entities is difficult; the presence of a communication with the bile duct is usually considered as a typical sign of IPMN-B. However, the presence of an ovarian-like stroma (OLS) has been established to define the diagnosis of MCN-L...
May 2018: Annals of Hepatology
https://www.readbyqxmd.com/read/29732356/clinical-significance-of-pancreatic-intraepithelial-neoplasia-in-resectable-pancreatic-cancer-on-survivals
#14
Da-Young Yu, Young-Dong Yu, Wan-Bae Kim, Hyung-Joon Han, Sae-Byul Choi, Dong-Sik Kim, Sang-Yong Choi, Joo-Young Kim, Hyeyoon Chang, Baek-Hui Kim
Purpose: Noninvasive precursor lesions for pancreatic adenocarcinoma include pancreatic intraepithelial neoplasia (PanIN), intraductal papillary mucinous neoplasm, and mucinous cystic neoplasm. PanIN is often found synchronously adjacent to resected pancreatic ductal adenocarcinoma (PDAC) tumors. However, its prognostic significance on outcome after PDAC resection is unknown. The purpose of the current study was to determine if the presence of PanIN has a prognostic or predictive effect on survival after resection for PDAC with curative intent...
May 2018: Annals of Surgical Treatment and Research
https://www.readbyqxmd.com/read/29723435/impact-on-clinical-follow-up-of-the-milan-system-for-salivary-gland-cytology-a-comparison-with-a-traditional-diagnostic-classification
#15
Lester J Layfield, Zubair Baloch, Sharon L Hirschowitz, Esther D Rossi
OBJECTIVE: No universally accepted classification exists for salivary gland fine-needle aspiration (FNA). The proposed Milan System for Reporting Salivary Gland Cytopathology (MSRSGC) offers a uniform classification with management recommendations. We compared FNA diagnoses from a prior study with specific diagnoses with corresponding MSRSGC diagnoses. METHODS: One-hundred and sixty-four cases from a prior cytologic study with histologic follow-up were re-reviewed by one of the authors and assigned to one of the MSRSGC categories...
May 3, 2018: Cytopathology: Official Journal of the British Society for Clinical Cytology
https://www.readbyqxmd.com/read/29693047/pancreatic-hif2%C3%AE-stabilization-leads-to-chronic-pancreatitis-and-predisposes-to-mucinous-cystic-neoplasm
#16
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/29693045/gemms-are-a-gem-when-it-comes-to-defining-the-role-of-hif2%C3%AE-in-mucinous-cystic-neoplasms
#17
EDITORIAL
Kathleen A Boyle, Michael B Dwinell
No abstract text is available yet for this article.
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
#18
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/29683969/diagnostic-accuracy-of-preoperative-imaging-for-differentiation-of-branch-duct-versus-mixed-duct-intraductal-papillary-mucinous-neoplasms
#19
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/29679341/biliary-mucinous-cystic-neoplasm-a-classic-presentation-of-a-rare-neoplasm
#20
Shashank Sharma, Kazunari Sasaki, Daniela Allende, Ana Bennett, Federico N Aucejo
Biliary mucinous cystic neoplasms are rare parenchymal neoplasms with a considerable malignant potential. Due to a lack of diagnostic imaging criteria, histopathologic evaluation remains the definitive method of diagnosis. Resection is the treatment of choice. Here, the authors present a case of biliary mucinous neoplasm in a 39-year-old female with the associated radiographic and histopathologic findings.
April 20, 2018: Journal of Gastrointestinal Surgery: Official Journal of the Society for Surgery of the Alimentary Tract
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