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https://www.readbyqxmd.com/read/28321347/association-of-chronic-pancreatitis-and-malignant-main-duct-ipmn-a-rare-but-difficult-clinical-problem
#1
Zoltán Berger, Hernán De La Fuente, Manuel Meneses, Fernanda Matamala, Makarena Sepúlveda, Claudia Rojas
We report the case of a 70-year-old woman who consulted for recurrent short episodes of mild-to-moderate abdominal pain. Dilated main pancreatic duct was seen on CAT scan and magnetic resonance, with multiple calcifications and intraductal stones, typical in CP. However, for a more pronounced cystic dilatation in the pancreatic head, we could not exclude the coexistence of a main duct IPMN. ERCP was performed, with pancreatic sphincterotomy and extraction of pancreatic stones, but, at the same time, mucin extrusion was seen from the dilated duct through the papilla...
2017: Case Reports in Gastrointestinal Medicine
https://www.readbyqxmd.com/read/28316229/mucinous-carcinoma-with-extensive-signet-ring-cell-differentiation-a-case-report
#2
Hye Min Kim, Eun Kyung Kim, Ja Seung Koo
Breast cancers that present with mucin include mucinous carcinoma and carcinoma with signet ring cell differentiation. The former shows extracellular mucin and the latter shows abundant intracellular mucin. Here, we report a case of breast cancer showing both extracellular mucin and extensive signet ring cell differentiation due to abundant intracellular mucin. Unlike mucinous carcinoma, this case had the features of high-grade nuclear pleomorphism, high mitotic index, estrogen receptor negativity, progesterone receptor negativity, human epidermal growth factor receptor-2 positivity, and ductal type with positivity for E-cadherin...
March 2017: Journal of Pathology and Translational Medicine
https://www.readbyqxmd.com/read/28315508/tumor-markers-in-pancreatic-cystic-fluids-for-diagnosis-of-malignant-cysts
#3
Alexandre Levy, Theodora Popovici, Phuong-Nhi Bories
BACKGROUND AND AIM: Early diagnosis of premalignant or malignant pancreatic cysts is essential to improve prognosis. Sampling of pancreatic cyst fluid by fine-needle aspiration during endoscopic ultrasonography (EUS) enables cytopathological examination combined with biochemical analysis. This study aimed to provide an aid based on biological markers for the preoperative management of patients with pancreatic cysts. METHODS: Pancreatic fluids obtained by EUS-guided fine-needle aspiration from 115 patients with cystic lesions were assayed for amylase, lipase, carcinoembryonic antigen (CEA), CA 19-9 and CA 72-4...
March 3, 2017: International Journal of Biological Markers
https://www.readbyqxmd.com/read/28287942/fdg-pet-ct-pitfalls-in-gynecologic-and-genitourinary-oncologic-imaging
#4
Amish Lakhani, Sairah R Khan, Nishat Bharwani, Victoria Stewart, Andrea G Rockall, Sameer Khan, Tara D Barwick
The role of whole-body positron emission tomography (PET)/computed tomography (CT) with fluorodeoxyglucose ( FDG fluorodeoxyglucose ) is now established in the assessment of many gynecologic and genitourinary malignant tumors. FDG fluorodeoxyglucose PET/CT has been widely adopted for staging assessments in patients with suspected advanced disease, in cases of suspected disease recurrence, and for determining prognosis in a number of malignancies. A number of pitfalls are commonly encountered when reviewing FDG fluorodeoxyglucose PET/CT scans in gynecologic and genitourinary cases; these pitfalls can be classified into those that yield potential false-positive or false-negative results...
March 2017: Radiographics: a Review Publication of the Radiological Society of North America, Inc
https://www.readbyqxmd.com/read/28286093/needle-based-confocal-laser-endomicroscopy-for-the-diagnosis-of-pancreatic-cystic-lesions-an-international-external-interobserver-and-intraobserver-study-with-videos
#5
Somashekar G Krishna, William R Brugge, John M Dewitt, Pradermchai Kongkam, Bertrand Napoleon, Carlos Robles-Medranda, Damien Tan, Samer El-Dika, Sean McCarthy, Jon Walker, Mary E Dillhoff, Andrei Manilchuk, Carl Schmidt, Benjamin Swanson, Zarine K Shah, Phil A Hart, Darwin L Conwell
BACKGROUND AND AIMS: EUS-guided nCLE characteristics of common types of PCLs have been identified; however surgical histopathology was available in a minority of subjects. We sought to assess the performance characteristics of EUS-nCLE for differentiating mucinous from non-mucinous PCLs in a larger series of subjects with a definitive diagnosis. METHODS: Six endosonographers (nCLE experience >30 cases each) blinded to all clinical data, reviewed nCLE images of PCLs from 29 subjects with surgical (n=23) or clinical (n=6) correlation...
March 9, 2017: Gastrointestinal Endoscopy
https://www.readbyqxmd.com/read/28281482/laparoscopic-spleen-preserving-distal-pancreatectomy-for-a-primary-hydatid-cyst-mimicking-a-mucinous-cystic-neoplasia
#6
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...
April 2017: Journal of Minimal Access Surgery
https://www.readbyqxmd.com/read/28281172/needle-based-confocal-laser-endomicroscopy-for-evaluation-of-cystic-neoplasms-of-the-pancreas
#7
Abdurrahman Kadayifci, Mustafa Atar, Omer Basar, David G Forcione, William R Brugge
BACKGROUND: The accurate diagnosis of cystic neoplasms of the pancreas (CNP) with current diagnostic methods is limited. Endoscopic ultrasound (EUS)-guided needle-based confocal laser endomicroscopy (nCLE) is a new technique which can obtain images from the cyst wall during EUS-fine needle aspiration (EUS-FNA). The aim of this study was to assess the safety, feasibility, and diagnostic value of nCLE for CNP. METHODS: Patients who underwent EUS-FNA to evaluate a CNP larger than 2 cm were enrolled...
March 9, 2017: Digestive Diseases and Sciences
https://www.readbyqxmd.com/read/28278438/diagnosis-of-autoimmune-pancreatitis-with-cholesterol-granuloma-mimicking-intraductal-papillary-mucinous-carcinoma-a-case-report
#8
Yusuke Takahashi, Naoyuki Yokoyama, Daisuke Sato, Tetsuya Otani, Koko Mitsuma, Hideki Hashidate
INTRODUCTION: Pancreatic cysts are often observed incidentally on abdominal computed tomography (CT). For cysts involving intracystic nodules, malignant neoplasms such as intraductal papillary-mucinous carcinoma (IPMC) should be suspected. In contrast, cholesterol granuloma (CG) rarely occurs in the pancreas, and CG-associated autoimmune pancreatitis (AIP) has not yet been reported. To our knowledge, this is the first reported case of AIP with CG mimicking IPMC. PRESENTATION OF CASE: A 56-year-old woman underwent abdominal CT for preoperative breast cancer screening...
March 1, 2017: International Journal of Surgery Case Reports
https://www.readbyqxmd.com/read/28274002/mesenteric-teratoma-in-elderly-female-a-rare-case-report
#9
Chandrasekhar Sharanappa Neeralagi, K R Surag, Yogesh Kumar, S Lakkanna, Preetham Raj
Dermoid cysts rarely present as mesenteric cysts. Mesenteric cysts are rare pathologic entities, with a reported incidence of approximately 1 of 27 000 to 1 of 100 000 admissions. Mesenteric cyst was first described by Florentine anatomist Benevieni in 1507, while performing an autopsy on an eight-year-old boy. Most commonly, teratoma occurs in the early age group. Mature mesenteric teratoma in adulthood is extremely rare. Teratoma are germ cell tumours commonly composed of multiple cell types derived from one or more of the 3 germ layers...
January 2017: Journal of Clinical and Diagnostic Research: JCDR
https://www.readbyqxmd.com/read/28261854/oligog-cf-5-20-normalizes-cystic-fibrosis-mucus-by-chelating-calcium
#10
Anna Ermund, Christian V Recktenwald, Gudmund Skjåk-Braek, Lauren N Meiss, Edvar Onsøyen, Philip D Rye, Arne Dessen, Astrid Hilde Myrset, Gunnar C Hansson
The goal of this study was to determine whether the guluronate (G) rich alginate OligoG CF-5/20 (OligoG) could detach cystic fibrosis (CF) mucus by calcium chelation, which is also required for normal mucin unfolding. Since bicarbonate secretion is impaired in CF, leading to insufficient mucin unfolding and thereby attached mucus and since bicarbonate has the ability to bind calcium, we hypothesized that the calcium chelating property of OligoG would lead to detachment of CF mucus. Indeed, OligoG could compete with the N-terminus of the MUC2 mucin for calcium binding as shown by microscale thermophoresis...
March 6, 2017: Clinical and Experimental Pharmacology & Physiology
https://www.readbyqxmd.com/read/28260136/cells-of-origin-of-pancreatic-neoplasms
#11
REVIEW
Junpei Yamaguchi, Yukihiro Yokoyama, Toshio Kokuryo, Tomoki Ebata, Masato Nagino
Pancreatic ductal adenocarcinoma (PDAC) is a lethal malignant disease associated with poor prognosis, despite recent medical advances. It is of great importance to understand the initial events and cells of origin of pancreatic cancer to prevent the development and progression of PDAC. There are three distinct precursor lesions that develop into PDAC: pancreatic intraepithelial neoplasms (PanINs), intraductal papillary mucinous neoplasms (IPMNs), and mucinous cystic neoplasms (MCNs). Studies on genetically engineered mouse models have revealed that the initiation and development of these lesions largely depend on genetic alterations...
March 4, 2017: Surgery Today
https://www.readbyqxmd.com/read/28258561/a-resected-case-of-two-branch-duct-type-intraductal-papillary-mucinous-neoplasms-showing-different-clinical-courses-after-a-two-year-follow-up
#12
Hideki Shibata, Nobuyuki Ohike, Tomoko Norose, Tomohide Isobe, Reika Suzuki, Hideyuki Imai, Akira Shiokawa, Masafumi Takimoto, Akihiro Tabuchi, Yuichi Takano, Eiichi Yamamura, Masatsugu Nagahama, Nobuyuki Takeyama, Kazuaki Yokomizo, Hiroki Mizukami, Jun-Ichi Tanaka, Takeshi Aoki, Masahiko Murakami
The patient was a 60-year-old man without any particular complaints, but he underwent abdominal computed tomography (CT) and magnetic resonance cholangiopancreatography (MRCP) due to a fatty liver, which revealed two similar cystic lesions regarded as branch duct-type intraductal papillary mucinous neoplasm (BD-IPMN) in the pancreatic body [BD-IPMN (b), 16 mm in size] and tail [BD-IPMN (t), 13 mm in size] without a "high-risk stigmata" or "worrisome features". He subsequently received follow-up by MRCP every 6 months...
March 3, 2017: Clinical Journal of Gastroenterology
https://www.readbyqxmd.com/read/28255733/natural-courses-of-branch-duct-intraductal-papillary-mucinous-neoplasm
#13
Taeheon Lee, Hong Joo Kim, Soo-Kyung Park, Hyo-Joon Yang, Yoon Suk Jung, Jung Ho Park, Dong Il Park, Yong Kyun Cho, Chong Il Sohn, Woo Kyu Jeon, Byung Ik Kim, Kyu Yong Choi
PURPOSE: The study was done to elucidate the clinico-radiologic predictive factors for cancerous change detected by disease progression (PD) mainly defined by interval increase in cyst size and change of cyst morphology, for branch duct intraductal papillary mucinous neoplasm (BD-IPMN) patients with relatively long-term follow-up. METHODS: Retrospective analysis of medical records and imaging findings were performed on 107 patients with BD-IPMN enrolled from July 2005 to May 2013, in whom the communication between the cystic lesion and pancreatic duct was confirmed by either endoscopic ultrasonography (EUS), magnetic resonance cholangiopancreatography (MRCP), or endoscopic retrograde cholangiopancreatography (ERCP)...
March 2, 2017: Langenbeck's Archives of Surgery
https://www.readbyqxmd.com/read/28247059/a-mucinous-cystadenoma-in-rectal-cuff-of-a-patient-with-familial-adenomatous-polyposis
#14
Seyed Reza Fatemi, Fakhri Alsadat Anaraki, Behzad Hatami, Zhaleh Mohsenifar
INTRODUCTION: Familial adenomatous polyposis (FAP) may be associated with some extracolonic manifestations which in this vein, it is known as Gardner's syndrome. To our knowledge, so far, there is no report of mucinous cystadenoma in association with FAP. CASE PRESENTATION: We report a 31-year-old woman with FAP who underwent total proctocolectomy with ileal pouch-anal anastomosis 5 years earlier. During endoscopic surveillance, she was found to have a submucosal lesion in rectal cuff...
February 28, 2017: International Journal of Colorectal Disease
https://www.readbyqxmd.com/read/28246486/pancreatic-endometrial-cyst-mimics-mucinous-cystic-neoplasm-of-the-pancreas
#15
Michael A Mederos, Nicole Villafañe, Sadhna Dhingra, Carlos Farinas, Amy McElhany, William E Fisher, George Van Buren Ii
Pancreatic cysts include a variety of benign, premalignant, and malignant lesions. Endometrial cysts in the pancreas are exceedingly rare lesions that are difficult to diagnose pre-operatively. This report describes the findings in a 43-year-old patient with a recent episode of acute pancreatitis who presented with a large cyst in the tail of the pancreas. Imaging demonstrated a loculated pancreatic cyst, and cyst fluid aspiration revealed an elevated amylase and carcinoembryonic antigen. The patient experienced an interval worsening of abdominal pain, fatigue, diarrhea, and a 15-pound weight loss 3 mo after the initial episode of pancreatitis...
February 14, 2017: World Journal of Gastroenterology: WJG
https://www.readbyqxmd.com/read/28224034/biliary-mucinous-cystic-neoplasm-a-case-report-and-review-of-the-literature
#16
Mohammad Taghi Safari, Shabnam Shahrokh, Mohammad Bagher Miri, Forough Foroughi, Amir Sadeghi
Hepatobiliary cystadenomas (HBC) is a rare neoplasm which comprising less than one percent of liver cystic neoplasms. Although it's known as a benign tumor, but they have a potential for neoplastic transformation. Making a proper diagnosis and ruling out of other differential diagnosis is important because of different treatment. In the present study, we described a case of HBC manifested as idiopathic dominant biliary stricture in common hepatic duct (CHD), on the basis of spiral CT scan and MRI, and elevated CA19-9...
December 2016: Gastroenterology and Hepatology From Bed to Bench
https://www.readbyqxmd.com/read/28216128/mucinous-cystadenoma-in-children-and-adolescents
#17
Renee A Cowan, Erin N Haber, Fabio R Faucz, Constantine A Stratakis, Veronica Gomez-Lobo
STUDY OBJECTIVE: Mucinous cystadenomas (MCAs) are benign epithelial ovarian tumors that occur rarely in children and adolescents. As children and adolescents typically have their childbearing years ahead of them, conservative therapy is indicated. However, there is concern that ovarian cystectomy may be associated with significant recurrence risk in MCA. Furthermore, GNAS gene mutations are associated with McCune-Albright Syndrome, which is associated with cystic ovaries. We sought to evaluate the outcomes of children and adolescents with MCA treated conservatively...
February 16, 2017: Journal of Pediatric and Adolescent Gynecology
https://www.readbyqxmd.com/read/28211072/the-diagnosis-of-pancreatic-mucinous-cystic-neoplasm-and-associated-adenocarcinoma-in-males-an-eight-institution-study-of-349-patients-over-15-years
#18
Cecilia G Ethun, Lauren M Postlewait, 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 R Scoggins, David Bentrem, Hong J Kim, Jacquelyn Carr, Syed A Ahmad, Daniel E Abbott, Gregory Wilson, David A Kooby, Shishir K Maithel
BACKGROUND: Per WHO, 2000 classification, pancreatic mucinous cystic neoplasms (MCN) are defined by presence of ovarian stroma, and are primarily located in the pancreatic body/tail of females. The incidence of MCN and associated malignancy in males, since, standardization of MCN diagnostic-criteria is unknown. METHODS: MCN resections from 2000 to 2014 at eight institutions of the Central-Pancreas-Consortium were included, and divided into early (2000-2007) and late (2008-2014) time-periods...
February 17, 2017: Journal of Surgical Oncology
https://www.readbyqxmd.com/read/28208869/mature-cystic-teratoma-with-co-existent-mucinous-cystadenocarcinoma-in-the-same-ovary-a-diagnostic-dilemma
#19
Sanjeet Roy, Sramana Mukhopadhayay, Mayank Gupta, Anuradha Chandramohan
Mature cystic teratoma co-existing with a mucinous cystadenocarcinoma is an infrequently encountered entity with only a handful of cases reported till date. The possibilities in such a case are either a malignant transformation of a benign teratoma into adenocarcinoma or a collision tumor between a mature cystic teratoma and a mucinous tumour of either a primary ovarian surface epithelial-stromal origin or a secondary from a primary gastrointestinal tract tumour. The importance of distinguishing between the two entities has significant bearing on subsequent therapeutic management...
December 2016: Journal of Clinical and Diagnostic Research: JCDR
https://www.readbyqxmd.com/read/28199793/pulmonary-mucinous-cystadenocarcinoma-presenting-as-extensive-multifocal-cystic-lesions
#20
Vickie R Shannon, Amit S Nanda, Lavinia P Middleton, Saadia A Faiz
No abstract text is available yet for this article.
February 15, 2017: American Journal of Respiratory and Critical Care Medicine
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