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pancreas cyst imaging

Amir A Borhani, Kenneth E Fasanella, Negaur Iranpour, Amer H Zureikat, Aatur D Singhi, Alessandro Furlan, Anil K Dasyam
PURPOSE: The purpose of the study was to investigate imaging features as well as pathologic and clinical findings of lymphoepithelial cyst (LEC) of pancreas. MATERIALS AND METHODS: Ten patients with surgically resected and pathologically proven LEC, found in a single institution database between 2000 and 2015, were evaluated in a retrospective fashion. Patients' demographics, clinical presentation, co-morbidities, imaging features, cytology and histopathology results, and serum/aspirate biomarkers levels were recorded...
October 13, 2016: Abdominal Radiology
Verena Plodeck, Ulrich Sommer, Gustavo B Baretton, Daniela E Aust, Michael Laniado, Ralf-Thorsten Hoffmann, Ivan Platzek
Pancreatic endometriosis is very rare with only a few cases reported in the literature. The imaging features are non-specific and the definitive diagnosis is usually only established after surgery. We report on a 68-year-old woman with left upper quadrant pain who demonstrated a mass in the pancreatic tail on imaging. Laboratory results showed only mildly elevated liver enzymes, tumor markers were within the normal range. A left pancreatectomy was performed, frozen section suggesting a benign lesion, and final histopathology confirmed endometriotic cysts...
September 2016: Acta Radiologica Open
Avik Sarkar, Ragui Sadek, Matthew Lissauer, Swati Pawa
BACKGROUND: After an acute attack of pancreatitis, walled-off pancreatic fluid collections (PFC) occur in approximately 10 % of cases. Drainage of the cavity is recommended when specific indications are met. Endoscopic drainage has been adopted as the main intervention for symptomatic walled-off PFC. Altered gastric anatomy in these patients poses an interesting challenge. We present the first case of a patient with sleeve gastrectomy who underwent successful endoscopic transduodenal necrosectomy (TDN)...
2016: BMC Obesity
Georgios Gemenetzis, Fabio Bagante, James F Griffin, Neda Rezaee, Ammar A Javed, Lindsey L Manos, Anne M Lennon, Laura D Wood, Ralph H Hruban, Lei Zheng, Atif Zaheer, Elliot K Fishman, Nita Ahuja, John L Cameron, Matthew J Weiss, Jin He, Christopher L Wolfgang
OBJECTIVE: To evaluate the correlation between neutrophil-to-lymphocyte ratio (NLR) and platelet-to-lymphocyte ratio (PLR) values, and the presence of invasive carcinoma in patients with intraductal papillary mucinous neoplasm (IPMN). BACKGROUND: NLR and (PLR) are inflammatory markers that have been associated with overall survival in patients with invasive malignancies, including pancreatic cancer. METHODS: We retrospectively reviewed 272 patients who underwent surgical resection for histologically confirmed IPMN from January 1997 to July 2015...
September 14, 2016: Annals of Surgery
Alexander N Hanania, Leonidas E Bantis, Ziding Feng, Huamin Wang, Eric P Tamm, Matthew H Katz, Anirban Maitra, Eugene J Koay
OBJECTIVE: To investigate using quantitative imaging to assess the malignant potential of intraductal papillary mucinous neoplasms (IPMNs) in the pancreas. BACKGROUND: Pancreatic cysts are identified in over 2% of the population and a subset of these, including intraductal papillary mucinous neoplasms (IPMNs), represent pre-malignant lesions. Unfortunately, clinicians cannot accurately predict which of these lesions are likely to progress to pancreatic ductal adenocarcinoma (PDAC)...
August 31, 2016: Oncotarget
Kunal S Dalal, John M DeWitt, Stuart Sherman, Harvey M Cramer, Temel Tirkes, Mohammad A Al-Haddad
BACKGROUND AND OBJECTIVES: Lymphoepithelial cysts (LECs) of the pancreas are benign lesions that can mimic cystic neoplasms on imaging. Endoscopic ultrasound (EUS) features have not been well described. We aimed to describe the clinical and EUS characteristics of LECs and the present outcomes of management at a high-volume referral center. MATERIALS AND METHODS: We identified patients who underwent EUS and were found to have LECs based on fine-needle aspiration (FNA) cytology or surgical pathology from existing databases...
July 2016: Endoscopic Ultrasound
Stefano Crippa, Alessandra Piccioli, Maria Chiara Salandini, Chiara Cova, Francesca Aleotti, Massimo Falconi
The diagnosis of branch-duct intraductal papillary mucinous neoplasms (BD-IPMNs) has been dramatically increased. BD-IPMNs are frequently discovered as incidental findings in asymptomatic individuals, mainly in elderly patients. An accurate evaluation of BD-IPMNs with high-resolution imaging techniques and endoscopic ultrasound is necessary. Patients with high-risk stigmata (HRS, obstructive jaundice, enhanced solid component) should undergo resection. Patients with worrisome features (WF, cyst size ≥3 cm, thickened enhanced cyst walls, non-enhanced mural nodules, and clinical acute pancreatitis) may undergo either a strict surveillance based on patients' characteristics (age, comorbidities) or surgical resection...
August 8, 2016: Updates in Surgery
N Mazanowska, D Rajski, B Pietrzak, P Kaminski, M Wielgos
BACKGROUND: Pathological changes of uterine adnexa are frequently encountered in patients after solid-organ transplantation. The aim of the study was to evaluate the incidence of malignancies among recipients operated with the diagnosis of adnexal tumor with or without clinical symptoms. METHODS: We retrospectively analyzed data from 146 solid-organ recipients who underwent surgery in the First Department of Obstetrics and Gynecology, Medical University of Warsaw, in the years 2000 to 2014...
June 2016: Transplantation Proceedings
Ahmed Mahmoud Hamza, Emad Helmi Ayyash, Raed Alzafiri, Issam Francis, Sami Asfar
Gastrointestinal stromal tumours (GISTs) are solid tumours of the gastrointestinal tract, mostly found in the stomach and intestine. They rarely present as cystic lesions. A 74-year-old woman referred to the hepatopancreaticobiliary unit, with 3 months history of upper abdominal discomfort. Abdominal ultrasound scan showed a large cystic lesion in the epigastric region suggestive of a pancreatic pseudocyst. The CT-scan showed a 6.6×6×6.3 cm size cyst related to the pancreas and extending to the hepatogastric omentum...
2016: BMJ Case Reports
Silvia Lana, Manuela Vallara, Nicola Emanuele Bono, Giuseppe Russo, Giulia Artioli, Giovanni Capretti, Ilaria Paladini, Antonella Pesce, Margherita Ruggirello, Sandro Barbalace, Maurizio Mostardi
Cystic lesions of the pancreas are relatively frequent imaging findings due to the improvement of imaging technologies. They may be secondary to both benign and malignant disease processes and their prevalence increases with age. In most cases, these lesions are detected incidentally by computed tomography and magnetic resonance imaging (MRI) performed for other reasons. Intraductal papillary mucinous neoplasms (IPMNs) represent 25% of the cystic neoplasms, morphologically classified into "main pancreatic duct IPMN" (MPD-IPMN), "side branches IPMN" (SB-IPMN) and mixed forms...
2016: Acta Bio-medica: Atenei Parmensis
Natsuko Kawada, Hiroyuki Uehara, Shigenori Nagata, Yasuhiko Tomita, Hideji Nakamura
OBJECTIVE: Recent studies reported that mural nodule (MN) was the most associated with malignant intraductal papillary mucinous neoplasms (IPMNs). However, IPMNs without MN cannot be diagnosed as malignant if only MN is determined to be indicator of malignancy. This study aimed to investigate role of pancreatic juice cytology for IPMNs without MN. METHODS: Medical records of 50 patients with histologically proven malignant IPMNs were reviewed. Exclusively for non-invasive cancer, extent of high-grade dysplasia along the main pancreatic duct (MPD) was determined microscopically...
September 2016: Pancreatology: Official Journal of the International Association of Pancreatology (IAP) ... [et Al.]
Lawrence A Shirley, Jon Walker, Somashekar Krishna, Samer El-Dika, Peter Muscarella, E Christopher Ellison, Carl R Schmidt, Mark Bloomston
BACKGROUND: The work-up of cystic lesions of the pancreas often involves endoscopic ultrasound (EUS) with fine needle aspiration (FNA). In addition to CEA and amylase measurement, fluid is routinely sent for cytologic examination. We evaluated the utility of cytologic findings in clinical decision-making. MATERIALS AND METHODS: Records of patients who underwent EUS-guided pancreatic cyst aspiration were reviewed. Findings from axial imaging and EUS were compared to cyst fluid cytology as well as fluid amylase and CEA...
September 2016: Journal of Gastrointestinal Surgery: Official Journal of the Society for Surgery of the Alimentary Tract
Jonathan Cottreau, Andreu Costa, Mark Walsh, Thomas Arnason
Ciliated foregut cysts typically arise in the liver and pancreas, with rare cases reported to arise in the gallbladder wall. Herein, we describe an unusual case of a patient with a ciliated foregut cyst arising from the wall of the common hepatic duct, which has not been reported previously. As a result of its unique anatomical location, the cyst was mistaken for a type II choledochal cyst on preoperative imaging. The cyst caused intermittent biliary obstruction that resolved following surgical resection.
October 2016: International Journal of Surgical Pathology
Alexandra Kalogeraki, Georgios Z Papadakis, Dimitrios Tamiolakis, Iliana Karvela-Kalogeraki, Mihailos Karvelas-Kalogerakis, John Segredakis, Michael Papadakis, Eleni Moustou, Galateia Datseri, Maria Tzardi
Solid masses of the pancreas represent a variety of benign and malignant neoplasms of the exocrine and endocrine tissues of the pancreas. A tissue diagnosis is often required to direct therapy in the face of uncertain diagnosis or if the patient is not a surgical candidate either due to advanced disease or comorbidities. Endoscopic ultrasound (EUS) is a relatively new technology that employs endoscopy and high-frequency ultrasound (US). EUS involves imaging of the pancreatic head and the uncinate from the duodenum and imaging of the body and tail from the stomach...
January 2016: Romanian Journal of Internal Medicine, Revue Roumaine de Médecine Interne
Alexander Stark, Timothy R Donahue, Howard A Reber, O Joe Hines
IMPORTANCE: Cystic lesions of the pancreas are common and increasingly detected in the primary care setting. Some patients have a low risk for developing a malignancy and others have a high risk and need further testing and interventions. OBSERVATIONS: Pancreatic cysts may be intraductal mucinous neoplasms, mucinous cystic neoplasms, serous cystadenomas, solid pseudopapillary neoplasms, cystic variations of pancreatic neuroendocrine tumors, pancreatic ductal adenocarcinomas, or 1 of several types of nonneoplastic cysts...
May 3, 2016: JAMA: the Journal of the American Medical Association
Haruyoshi Tanaka, Tsuyoshi Hatsuno, Mitsuru Kinoshita, Kazuya Hasegawa, Hiromasa Ishihara, Nao Takano, Satofumi Shimoyama, Hiroshi Nakayama, Masato Kataoka, Shu Ichihara, Mitsuro Kanda, Yasuhiro Kodera, Ken Kondo
Acinar cell cystadenoma (ACA) of the pancreas has been newly recognized as an entity by the World Health Organization (WHO) definition (2010), and its pathogenesis has not been known adequately because of the rarity. Here, we report a case of a 22-year-old female who had been followed up for a cystic lesion at the tail of the pancreas pointed out by a screening computed tomography (CT) scan 7 years ago. The tumor grew in size from 3.3 to 5.1 cm in diameter for 6 years (0.3 cm per year). Particularly, it rapidly grew up to 6...
December 2016: Surgical Case Reports
William T Warnock, Nasim Khoshnam, Kristin M Bird, Lauren R Schaffer, L H Lou, C Matthew Hawkins, Matthew T Santore, Sarah Hill, Anne E Gill, Pooya Hoseinzadeh, Bahig M Shehata
This is a case of a newborn female with congenital pancreatic cysts discovered incidentally. The 5-week-old infant had multiple abdominal cysts originating from the pancreas. When the radiologist catheter placement failed to alleviate the symptoms, the infant underwent laparoscopic excision. The lesion, however, recurred 11 months after the first excision, leading to a second surgical procedure including excision and marsupialization. A review of the literature revealed that this is a rare condition. Herein, we discuss the characteristics of the case, including medical imaging, drainage catheter placement, surgical treatment, pathological findings, and follow-up...
2016: Fetal and Pediatric Pathology
Yuan Gao, Jing Ping Zhang, Ping Zhu
The present study reported a 4.8 cm space-occupying cystic solid mass of the pancreas, which caused recurrent bilateral lower back discomfort in a 60-year-old female. Combined with the clinical data, an impression of a solid-pseudopapillary neoplasm was generated prior to surgery. Abdominal exploration revealed splenic vessel encasement by the mass similar to the invasion observed in a malignant tumor. Distal pancreatectomy with splenectomy was subsequently performed. Grossly, the tumor was solid and consisted of numerous small cysts...
April 2016: Molecular and Clinical Oncology
Victoria Gómez, Shounak Majumder, Thomas C Smyrk, Mark D Topazian, Suresh T Chari, Ferga C Gleeson, William S Harmsen, Felicity T Enders, Barham K Abu Dayyeh, Prasad G Iyer, Randall K Pearson, Bret T Petersen, Elizabeth Rajan, Naoki Takahashi, Santhi S Vege, Kenneth K Wang, Michael J Levy
BACKGROUND AND AIMS: The presence and significance of epithelial denudation among treatment-naïve pancreatic cystic lesions (PCLs) remain undetermined. The aims of this study were to determine the prevalence, extent and predictors of epithelial denudation in treatment-naïve PCLs. METHODS: Single-center retrospective study including patients who underwent EUS preceded by cross-sectional imaging and who subsequently underwent surgical resection of treatment-naïve PCLs...
April 6, 2016: Gastrointestinal Endoscopy
Kim C Honselmann, Tobias Krauss, Sebastian Geserick, Ulrich F Wellner, Uwe Wittel, Ulrich T Hopt, Tobias Keck, Dirk Bausch
PURPOSE: The purpose of this study was to retrospectively evaluate diagnostic accuracy of cystic lesions of the pancreas in order to determine if less aggressive surgical treatment might be safe and therefore warranted. METHODS: A retrospective cohort study was conducted in 232 patients with either observed or resected cystic lesions of the pancreas referred for evaluation and treatment to the University Medical Center Freiburg, Germany, between 2001 and 2011. RESULTS: Most patients had MRI or CT for preoperative imaging (90...
June 2016: Langenbeck's Archives of Surgery
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