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cystic neoplasms of the pancreas

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https://www.readbyqxmd.com/read/27926784/preoperative-characteristics-and-cytological-features-of-136-histologically-confirmed-pancreatic-mucinous-cystic-neoplasms
#1
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/27890912/performance-of-laparoscopic-pancreatoduodenectomy-for-solid-pseudopapillary-tumor-of-pancreas
#2
Orlando Jorge M Torres, José Maria A Moraes Junior, Anmara Moura Moraes, Camila Cristina S Torres, Antonio Talvane T Oliveira
BACKGROUND Solid pseudopapillary tumor of the pancreas (Frantz tumor) is a rare, low-grade malignant neoplasm. Laparoscopic pancreatoduodenectomy is a good approach for tumors located in the pancreatic head. We present two successful cases in young women. CASE REPORT A 19-year-old woman was admitted to Department of Digestive Surgery due to epigastric pain, nausea, and vomiting. Computed tomography scan of the abdomen was performed, and a 3.0×2.2 cm solid tumor localized in the head of the pancreas was observed...
November 28, 2016: American Journal of Case Reports
https://www.readbyqxmd.com/read/27876450/intraductal-papillary-neoplasm-of-the-bile-duct-a-case-report
#3
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
https://www.readbyqxmd.com/read/27865286/intraductal-papillary-mucinous-neoplasm-of-the-pancreas
#4
REVIEW
Zhi Ven Fong, Carlos Fernández-Del Castillo
The incidence of intraductal papillary mucinous neoplasms (IPMNs) of the pancreas has been rising in the past 2 decades, driven mainly by the widespread use of cross-sectional imaging. IPMNs are intraductal mucin-producing neoplasms that involve the main pancreatic duct or its side branches and lack the ovarian stroma typically seen in mucinous cystic neoplasms. The International Association of Pancreatology released consensus guidelines in 2006 and 2012 providing clinical algorithms based on IPMN features and risk of malignancy...
December 2016: Surgical Clinics of North America
https://www.readbyqxmd.com/read/27847657/rare-case-of-an-epithelial-cyst-in-an-intrapancreatic-accessory-spleen-treated-by-robot-assisted-spleen-preserving-distal-pancreatectomy
#5
Willemijn P M van Dijck, Vincent P Groot, Lodewijk A A Brosens, Jeroen Hagendoorn, Inne H M Borel Rinkes, Maarten S van Leeuwen, I Quintus Molenaar
Epithelial cyst in an intrapancreatic accessory spleen (ECIPAS) is exceedingly rare with only 57 cases reported since the first publication in 1980. Comprehensive clinical and diagnostic features remain to be clarified. We present a case of ECIPAS in a 21-year-old Philippine woman who was admitted with right upper quadrant abdominal pain. A cystic lesion in the pancreatic tail was discovered and evaluated by computed tomography and magnetic resonance images. Based on clinical and radiological features a solid pseudopapillary neoplasm was suspected...
2016: Case Reports in Gastrointestinal Medicine
https://www.readbyqxmd.com/read/27824244/a-large-multicenter-study-of-recurrence-after-surgical-resection-of-branch-duct-intraductal-papillary-mucinous-neoplasm-of-the-pancreas
#6
Linda Yan, Ali A Siddiqui, Sobia Laique, Monica Saumoy, Michel Kahaleh, Joseph Yoo, Ankush Kalra, Arun Mathew, Jessica Sterling, Rema Rao, Michael Lieberman, Natalie Cosgrove
BACKGROUND: Surgery for pancreatic branch-duct intraductal papillary mucinous neoplasm (BDIPMN) is indicated for therapy of symptomatic patients and to prevent development of invasive cancer. There is currently no consensus on management of BD-IPMN patients after surgical resection. The aim of this retrospective multicenter study was to determine the recurrence and long-term survival after surgical resection of BD-IPMN and to determine the predictive factors of recurrence. METHODS: All patients who underwent surgery for BD-IPMN from 2005 to 2011 at 2 centers were identified...
November 8, 2016: Minerva Gastroenterologica e Dietologica
https://www.readbyqxmd.com/read/27816717/pancreatic-serous-cystic-neoplasms-accompanying-other-pancreatic-tumors
#7
So-Woon Kim, In Hye Song, Soyeon An, So Yeon Kim, Hyoung Jung Kim, Ki-Byung Song, Dae Wook Hwang, Sang Soo Lee, Jae Ho Byun, Dong-Wan Seo, Song Cheol Kim, Eunsil Yu, Seung-Mo Hong
Serous cystic neoplasms (SCNs) are benign cystic neoplasms that predominantly occur in the tail of the pancreas in elderly women. It is well known that patients with von Hippel-Lindau syndrome can develop SCNs and neuroendocrine tumors in the pancreas. However, our understanding on SCNs accompanying other pancreatic tumors (SCNAOPTs) is limited. We compared the clinicopathologic features of 15 surgically resected SCNAOPTs with 259 conventional SCNs. The prevalence of SCNAOPT was 5%. The SCNAOPTs were significantly smaller than conventional solitary SCNs, and they were more commonly observed in the head of the pancreas, while conventional solitary SCNs were more frequently noted in the body and tail...
November 2, 2016: Human Pathology
https://www.readbyqxmd.com/read/27764041/intraductal-papillary-mucinous-neoplasm-of-the-pancreas-with-high-malignant-potential-on-fdg-pet-mri
#8
Li Huo, Feng Feng, Quan Liao, Zhengyu Jin, Fang Li, Yupei Zhao
A 57-year-old man underwent FDG PET/CT to evaluate a mass in the head of the pancreas. The imaged revealed mildly, nonuniformly increased activity in the mass, but the exact location of the activity could not be determined on the low-dose noncontrast CT portion of the study. On subsequent PET/MRI images acquired 60 minutes after the FDG PET/CT study, the increased activity was clearly localized on the cystic wall. The pathological examination showed that the lesion was intraductal papillary mucinous neoplasm of the pancreas with high degree of dysplasia...
December 2016: Clinical Nuclear Medicine
https://www.readbyqxmd.com/read/27760264/mucinous-cystic-neoplasms-of-the-pancreas-a-surgical-disease
#9
Thilo Hackert, Christoph W Michalski, Markus W Büchler
No abstract text is available yet for this article.
October 19, 2016: JAMA Surgery
https://www.readbyqxmd.com/read/27760255/association-of-preoperative-risk-factors-with-malignancy-in-pancreatic-mucinous-cystic-neoplasms-a-multicenter-study
#10
Lauren M Postlewait, Cecilia G Ethun, Mia R McInnis, Nipun Merchant, Alexander Parikh, Kamran Idrees, Chelsea A Isom, William Hawkins, Ryan C Fields, Matthew Strand, Sharon M Weber, Clifford S Cho, Ahmed Salem, Robert C G Martin, Charles Scoggins, David Bentrem, Hong J Kim, Jacquelyn Carr, Syed Ahmad, Daniel E Abbott, Gregory C Wilson, David A Kooby, Shishir K Maithel
Importance: Pancreatic mucinous cystic neoplasms (MCNs) harbor malignant potential, and current guidelines recommend resection. However, data are limited on preoperative risk factors for malignancy (adenocarcinoma or high-grade dysplasia) occurring in the setting of an MCN. Objectives: To examine the preoperative risk factors for malignancy in resected MCNs and to assess outcomes of MCN-associated adenocarcinoma. Design, Setting, and Participants: Patients who underwent pancreatic resection of MCNs at the 8 academic centers of the Central Pancreas Consortium from January 1, 2000, through December 31, 2014, were retrospectively identified...
October 19, 2016: JAMA Surgery
https://www.readbyqxmd.com/read/27740966/-simple-mucinous-cyst-of-the-pancreas-a-clinicopathologic-analysis-of-39-examples-of-a-diagnostically-challenging-entity-distinct-from-intraductal-papillary-mucinous-neoplasms-and-mucinous-cystic-neoplasms
#11
Alyssa M Krasinskas, Gerard J Oakley, Pelin Bagci, Kee-Taek Jang, Shih-Fan Kuan, Michelle D Reid, Ipek Erbarut, Volkan Adsay
Pancreatic cysts >1 cm lined by nonpapillary mucinous epithelium without ovarian-type stroma pose diagnostic challenges. The term "simple mucinous cyst" was recently proposed for this entity. Our goal was to determine the clinicopathologic characteristics of these cysts, as they have not been previously described. Of the 39 patients with pancreatic resections included in this study, the mean age was 65 years and the female-to-male ratio was 4:1. The characteristics of the cysts are as follows: 82% had elevated cyst fluid carcinoembryonic antigen levels, 67% were unilocular, 69% occurred in the body/tail, 92% did not communicate with pancreatic ducts, the mean size was 2...
October 12, 2016: American Journal of Surgical Pathology
https://www.readbyqxmd.com/read/27698167/hernia-of-the-swim-bladder-aerocystocele-with-concurrent-mycotic-granulomatous-inflammation-and-swim-bladder-carcinoma-in-a-wild-mullet-mugil-cephalus
#12
Rubina Sirri, Carlo Bianco, Gaetano Zuccaro, Maria Elena Turba, Luciana Mandrioli
We describe a hernia of the swim bladder, with a concurrent mycotic granulomatous inflammation, and carcinoma of the swim bladder in a wild mullet (Mugil cephalus) referred for an exophytic dorsal mass. Grossly, the mass was white, soft, and composed of multiple cystic gas-containing chambers connected by a funnel-shaped tissue segment to the coelomic swim bladder. Histologically, the mass was characterized by cysts of variable size, multifocally contiguous with the subepithelial rete mirabile, supported by abundant fibrous tissue...
November 2016: Journal of Veterinary Diagnostic Investigation
https://www.readbyqxmd.com/read/27693645/comparing-3-guidelines-on-the-management-of-surgically-removed-pancreatic-cysts-with-regard-to-pathological-outcome
#13
Selma J Lekkerkerker, Marc G Besselink, Olivier R Busch, Joanne Verheij, Marc R Engelbrecht, Erik A Rauws, Paul Fockens, Jeanin E van Hooft
BACKGROUND AND AIMS: Currently, 3 guidelines are available for the management of pancreatic cysts. These guidelines vary in their indication for resection of high-risk cysts. We retrospectively compared the final pathological outcome of surgically removed pancreatic cysts with the indications for resection according to 3 different guidelines. METHODS: Patients who underwent pancreatic resection were extracted from our prospective pancreatic cyst database (2006-present)...
September 29, 2016: Gastrointestinal Endoscopy
https://www.readbyqxmd.com/read/27673548/nonmucinous-biliary-epithelium-is-a-frequent-finding-and-is-often-the-predominant-epithelial-type-in-mucinous-cystic-neoplasms-of-the-pancreas-and-liver
#14
Kristen Zhelnin, Yue Xue, Brian Quigley, Michelle D Reid, Hyejeong Choi, Bahar Memis, Volkan Adsay, Alyssa M Krasinskas
Mucinous cystic neoplasms (MCNs) can occur in the pancreas and liver. Classically, these cystic lesions are lined by columnar mucinous epithelium with underlying ovarian-type stroma. It has been proposed that cysts with ovarian-type stroma and nonmucinous epithelium be considered separate entities in both the pancreas and liver. Using a series of 104 pancreatic and 32 hepatic cases, we aimed to further characterize the epithelium present in MCNs. Mucinous epithelium was defined as pancreatic intraepithelial neoplasia-like columnar cells with pale pink/clear apical mucin...
September 26, 2016: American Journal of Surgical Pathology
https://www.readbyqxmd.com/read/27672644/cystic-jejunal-duplication-with-heinrich-s-type-i-ectopic-pancreas-incidentally-discovered-in-a-patient-with-pancreatic-tail-neoplasm
#15
Simona Gurzu, Tivadar Bara, Tivadar Bara, Annamaria Fetyko, Ioan Jung
The aim of this study was to present a case of enteric duplication cyst and criteria for a proper differential diagnosis. A 51-year-old male was hospitalized for pancreatic tail neoplasm and distal pancreatectomy with splenectomy was performed. During surgery, a jejunal cystic lesion was incidentally detected and jejunectomy was performed. Microscopically, the cyst was observed to be covered by Keratin 7/Keratin 20 positive intestinal type epithelium and the muscularis layer was shared by the cyst and adjacent jejunum, without a cleavage plane between the cyst wall and jejunal muscularis propria...
September 16, 2016: World Journal of Clinical Cases
https://www.readbyqxmd.com/read/27669533/neuroendocrine-tumor-of-the-pancreas-with-cystic-appearance-mimicking-a-progressive-intraductal-papillary-mucinous-neoplasm-pitfall-in-medical-imaging
#16
Francesco Vitali, Deike Strobel, Lukas Pfeifer, Marc Heinrich, David Wachter, Markus F Neurath, Dane Wildner
No abstract text is available yet for this article.
January 2016: Endoscopy
https://www.readbyqxmd.com/read/27590330/laparoscopic-spleen-preserving-total-pancreatectomy-for-a-main-duct-intraductal-papillary-mucinous-neoplasm
#17
Brandon C Chapman, Alessandro Paniccia, Carrie Ryan, Richard D Schulick, Barish H Edil
INTRODUCTION: Main-duct intraductal papillary mucinous neoplasms of the pancreas (M-IPMN) are potentially malignant cystic neoplasms that can degenerate into invasive malignancy in 43 % of cases.1 Although laparoscopic pancreaticoduodenectomy and distal pancreatectomy have been previously described for the management of pancreatic neoplasms, laparoscopic total pancreatectomy is rarely described. We present a video demonstrating a laparoscopic spleen-preserving total pancreatectomy in a patient with M-IPMN...
September 2, 2016: Annals of Surgical Oncology
https://www.readbyqxmd.com/read/27575268/intraductal-oncocytic-papillary-neoplasms-of-the-pancreas
#18
Michael E Kallen, Bita V Naini
Intraductal oncocytic papillary neoplasms (IOPNs) are cystic neoplasms with intraductal growth and complex papillae composed of oncocytic cells. IOPNs have been reported both in the pancreas and biliary tree, and are most likely closely related in these 2 locations. In the pancreas, these rare tumors are now considered 1 of the 4 histologic subtypes of intraductal papillary mucinous neoplasm (IPMN). Significant differences in histology, immunophenotype, and molecular genetics have been reported between IOPNs and other IPMN subtypes...
September 2016: Archives of Pathology & Laboratory Medicine
https://www.readbyqxmd.com/read/27574352/a-sporadic-desmoid-tumor-an-exceptional-pancreatic-cystic-solid-mass
#19
Jalal Vahedian Ardakani, Ali Zare Mehrjardi, Massoud Baghai Wadji, Amir Saraee
Desmoid tumors are locally aggressive and non-metastatic neoplasms with a high rate of recurrence. Desmoid tumors of the pancreas are, however, very rare, and only a few cases have been reported in the literature. This paper reports an anecdotal case of a diffuse pancreatic desmoid tumor with the involvement of the pancreatic head, body, and-partially-tail. The patient underwent the Whipple procedure and subtotal pancreatectomy. Histopathological assessment showed that the tissues were partly positive for smooth muscle actin, but not for S100 or PanCK...
August 2016: Indian Journal of Surgery
https://www.readbyqxmd.com/read/27559942/mixed-serous-neuroendocrine-neoplasm-of-the-pancreas-case-report-and-literature-review
#20
Yatong Li, Menghua Dai, Xiaoyan Chang, Wendi Hu, Jie Chen, Junchao Guo, Wenming Wu, Taiping Zhang, Quan Liao, Ziwen Liu, Ya Hu, Yupei Zhao
INTRODUCTION: The aim of this study was to report a new case of mixed serous neuroendocrine neoplasm (MSNN) and review the literature concerning this type of lesion, which was added to the World Health Organization classification of pancreatic tumors in 2010. RESULTS: A 73-year-old woman presented with a pancreatic mass. The lesion was an intriguing combination of serous cystic neoplasm (SCN) and pancreatic neuroendocrine tumor (PanNET), in which the PanNET component grew into the wall of the serous oligocystic adenoma...
August 2016: Medicine (Baltimore)
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