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Ampullary adenoma

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https://www.readbyqxmd.com/read/29081376/new-indications-for-endoscopic-radiofrequency-ablation
#1
Thomas R McCarty, Tarun Rustagi
Radiofrequency ablation (RFA) is a well-established treatment for several benign, pre-malignant, and malignant disorders. Although the role of RFA has been clearly defined, new indications for luminal and extra-luminal applications of endoscopic RFA-directed therapies have emerged. RFA has recently produced promising results in patients with a variety of gastrointestinal and hepatopancreatobiliary pathologies. For example, endoscopic RFA has been used to treat patients with gastric antral vascular ectasia, chronic radiation proctitis, malignant biliary strictures, and ampullary adenomas with intraductal extension...
October 25, 2017: Clinical Gastroenterology and Hepatology
https://www.readbyqxmd.com/read/28934830/sporadic-non-ampullary-duodenal-adenoma-overriding-the-cystic-dilatation-of-brunner-s-gland-hyperplasia
#2
Yun Jung Nam, Byung Wook Kim, Joon Sung Kim, Gi Jun Kim
Sporadic non-ampullary duodenal adenoma is uncommon and found incidentally during endoscopic examinations. Brunner's gland hyperplasia is commonly encountered during endoscopic examinations. Adenomas arising from Brunner's gland hyperplasia originate from the glandular cells, and the surface epithelia are usually intact. Little has been reported on adenomas originating from the surface epithelium that overrides Brunner's gland hyperplasia. Here, we report a case of a sporadic non-ampullary duodenal adenoma overriding the cystic dilatation of Brunner's gland hyperplasia...
September 25, 2017: Korean Journal of Gastroenterology, Taehan Sohwagi Hakhoe Chi
https://www.readbyqxmd.com/read/28900465/cytologic-features-of-tubular-adenoma-of-ampulla-causing-distal-common-bile-duct-stricture-a-case-report-and-review-of-the-literature
#3
Sangeeta Mantoo, Madhusudhan R Sanaka, Deborah J Chute
Adenomas of the ampulla of Vater are distinctly rare, representing <10% of periampullary neoplasms. Very few reports of the cytologic features of ampullary adenomas are present in literature, particularly in bile duct brushing samples. A case report and review of the literature is presented. The typical cytologic features of ampullary adenomas on cytologic preparations include tall, thin columnar cells with mildly hyperchromatic elongated nuclei and nuclear pseudostratification, in a relatively clean background...
2017: CytoJournal
https://www.readbyqxmd.com/read/28842048/management-of-duodenal-polyps
#4
REVIEW
Michael X Ma, Michael J Bourke
Duodenal adenomas are the most common type of polyp arising from the duodenum. These adenomas can occur within and outside of genetic syndromes, and are broadly classified as non-ampullary or ampullary depending on their location. All adenomas have malignant potential and are therefore appropriately treated by endoscopic resection. However, the unique anatomical properties of the duodenum, namely its relatively thin and vascular walls, narrow luminal diameter and relationship to the ampulla and its associated pancreatic and biliary drainage, pose an increased degree of complexity for any endoscopic interventions in this area...
August 2017: Best Practice & Research. Clinical Gastroenterology
https://www.readbyqxmd.com/read/28822368/continuing-advancements-in-diagnosis-and-management-of-ampullary-adenoma
#5
Zachary Sanford, Jeremy Adkins, Chad Knight, Subrat Lahiry
No abstract text is available yet for this article.
August 1, 2017: American Surgeon
https://www.readbyqxmd.com/read/28793394/tranexamic-acid-induced-acute-renal-cortical-necrosis-in-post-endoscopic-papillectomy-bleeding
#6
Doo Hyun Ko, Tae Hyung Kim, Jong Wook Kim, Ja Joong Gu, Baek Hyun Yoon, Ji Hong Oh, Seung Goun Hong
Acute renal failure can be the result of acute renal cortical necrosis (RCN), which commonly occurs from complications occurring during pregnancy. RCN is rarely caused by medications, although tranexamic acid, which is used in patients with acute bleeding for its antifibrinolytic effects, reportedly causes acute RCN in rare cases. An 82-year-old woman experienced gastrointestinal bleeding after endoscopic papillectomy of an ampullary adenoma. The bleeding was controlled with tranexamic acid administration; however, 4 days later, her urine volume decreased and she developed pulmonary edema and dyspnea...
August 9, 2017: Clinical Endoscopy
https://www.readbyqxmd.com/read/28558658/therapeutic-outcomes-of-endoscopic-papillectomy-for-ampullary-neoplasms-retrospective-analysis-of-a-multicenter-study
#7
Sung Hoon Kang, Kook Hyun Kim, Tae Nyeun Kim, Min Kyu Jung, Chang Min Cho, Kwang Bum Cho, Ji Min Han, Ho Gak Kim, Hyun Soo Kim
BACKGROUND: Endoscopic papillectomy (EP) is reported to be a relatively safe and reliable procedure for complete resection of ampullary neoplasms. The aim of this study was to evaluate the therapeutic outcomes and complications of EP for ampullary neoplasms. METHODS: A retrospective multicenter study was conducted with 5 participating centers from January 2007 to July 2014. A total of 104 patients who underwent EP for ampullary neoplasms were reviewed retrospectively...
May 30, 2017: BMC Gastroenterology
https://www.readbyqxmd.com/read/28467793/the-different-pathogeneses-of-sporadic-adenoma-and-adenocarcinoma-in-non-ampullary-lesions-of-the-proximal-and-distal-duodenum
#8
Ayumi Niwa, Seiya Kuwano, Hiroyuki Tomita, Keita Kimura, Yukiya Orihara, Tomohiro Kanayama, Kei Noguchi, Kenji Hisamatsu, Takayuki Nakashima, Yuichiro Hatano, Akihiro Hirata, Tatsuhiko Miyazaki, Kazuhiro Kaneko, Takuji Tanaka, Akira Hara
Non-ampullary duodenal adenoma with activation of Wnt/β-catenin signalling is common in familial adenomatous polyposis (FAP) patients, whereas sporadic non-ampullary adenoma is uncommon. The adenoma-carcinoma sequence similar to colon cancer is associated with duodenal tumors in FAP, but not always in sporadic tumors. We obtained 37 non-ampullary duodenal tumors, including 25 adenomas and 12 adenocarcinomas, were obtained from biopsies and endoscopic resections. We performed immunohistochemistry for β-catenin, the hallmark of Wnt activation, and aldehyde dehydrogenase 1 (ALDH1), a putative cancer stem cell marker...
June 20, 2017: Oncotarget
https://www.readbyqxmd.com/read/28465787/endoscopic-assessment-and-management-of-sporadic-duodenal-adenomas-the-results-of-single-centre-multidisciplinary-management
#9
Kheman Rajkomar, Michelle Kweon, Imran Khan, Paul Frankish, Michael Rodgers, Jonathan B Koea
AIM: To review the role of multidisciplinary management in treating sporadic duodenal adenomas (SDA). METHODS: SDA managed at North Shore Hospital between 2009-2014 were entered into a prospective database. Pathology, endoscopic and surgical management as well as follow up were reviewed. RESULTS: Twenty-eight patients (14 male: Median age 68 years) presented with SDA [18 were classified as non ampullary location (NA), 10 as ampullary location (A)]...
April 16, 2017: World Journal of Gastrointestinal Endoscopy
https://www.readbyqxmd.com/read/28462653/management-of-ampullary-tumours-in-children-still-a-challenge
#10
P Fernandez-Eire, J L Vazquez Castelo, M Herreros Villaraviz, B Fernandez Caamaño, J Gonzalez-Carreró, F Ausania
This study describes the case of the youngest patient ever reported with ampullary adenoma. The incidence of ampullary adenomas in childhood is unknown. Endoscopic retrograde cholangiopancreatography (ERCP) and endoscopic ultrasound are used in adults to assess and treat these lesions, although there are no instruments designed specifically for use in young children. A six-year-old girl was admitted for abdominal pain, vomiting, pruritus and weight loss. Abdominal ultrasound showed biliary tree (8mm) and pancreatic duct dilatation (4mm)...
May 2017: Annals of the Royal College of Surgeons of England
https://www.readbyqxmd.com/read/28401006/genomic-and-proteomic-characterization-of-arid1a-chromatin-remodeller-in-ampullary-tumors
#11
Anca Nastase, Jin Yao Teo, Hong Lee Heng, Cedric Chuan Young Ng, Swe Swe Myint, Vikneswari Rajasegaran, Jia Liang Loh, Ser Yee Lee, London Lucien Ooi, Alexander Yaw Fui Chung, Pierce Kah Hoe Chow, Peng Chung Cheow, Wei Keat Wan, Rafy Azhar, Avery Khoo, Sam Xin Xiu, Syed Muhammad Fahmy Alkaff, Ioana Cutcutache, Jing Quan Lim, Choon Kiat Ong, Vlad Herlea, Simona Dima, Dan G Duda, Bin Tean Teh, Irinel Popescu, Tony Kiat Hon Lim
AT rich interactive domain 1A (ARID1A) is one of the most commonly mutated genes in a broad variety of tumors. The mechanisms that involve ARID1A in ampullary cancer progression remains elusive. Here, we evaluated the frequency of ARID1A and KRAS mutations in ampullary adenomas and adenocarcinomas and in duodenal adenocarcinomas from two cohorts of patients from Singapore and Romania, correlated with clinical and pathological tumor features, and assessed the functional role of ARID1A. In the ampullary adenocarcinomas, the frequency of KRAS and ARID1A mutations was 34...
2017: American Journal of Cancer Research
https://www.readbyqxmd.com/read/28257791/safety-and-efficacy-of-cap-assisted-emr-for-sporadic-nonampullary-duodenal-adenomas
#12
Laith H Jamil, Amir Kashani, Neiveen Peter, Simon K Lo
BACKGROUND AND AIMS: Eradication of sporadic nonampullary duodenal adenomas (SNADAs) is essential because of their high rate of malignant transformation. EMR techniques are the alternative to the traditional surgical treatments of SNADAs. There are very limited data on the safety and efficacy of cap-assisted EMR (C-EMR) in the treatment of SNADA. METHODS: The medical records of patients who underwent C-EMR for SNADAs between July 2002 and April 2013 were retrospectively reviewed...
October 2017: Gastrointestinal Endoscopy
https://www.readbyqxmd.com/read/28211946/extra-ampullary-duodenal-adenoma-a-clinicopathological-study
#13
Kazunori Hijikata, Tetsuo Nemoto, Yoshinori Igarashi, Kazutoshi Shibuya
AIMS: Extra-ampullary duodenal adenoma (EADA) is a rare condition with poorly described clinicopathological details. In this study, we aimed to characterize EADA clinicopathologically. METHODS AND RESULTS: We performed a retrospective review of 44 serial cases of EADA. Each EADA was categorized as either gastric-type (n = 5) or intestinal-type (n = 39). All gastric-type adenomas were located in the first portion of the duodenum and exhibited a pedunculated shape...
August 2017: Histopathology
https://www.readbyqxmd.com/read/28122405/surgical-outcomes-for-duodenal-adenoma-and-adenocarcinoma-a-multicentre-study-in-australia-and-the-united-kingdom
#14
Chun Hin Angus Lee, Guy Shingler, Nicholas G Mowbray, Bilal Al-Sarireh, Peter Evans, Marty Smith, Val Usatoff, Charles Pilgrim
BACKGROUND: Pancreaticoduodenectomy is often required in patients with duodenal adenoma and adenocarcinoma and these patients generally have soft pancreatic texture and small pancreatic ducts, the two most significant factors associated with post-operative pancreatic fistula (POPF). The aims of the study were to evaluate the rate of POPF and long-term outcomes for patients with duodenal adenoma and adenocarcinoma who underwent curative resection. METHODS: This retrospective study (2004-2014) examined patients treated surgically with non-ampullary duodenal tumours (NADTs) in two hepatopancreaticobiliary units in Victoria, Australia, and Swansea, UK...
January 25, 2017: ANZ Journal of Surgery
https://www.readbyqxmd.com/read/28065885/endoscopic-retrograde-cholangiopancreatography-with-ampullary-biopsy-vs-ercp-alone-a-matched-pairs-controlled-evaluation-of-outcomes-and-complications
#15
Sunil Dacha, Saurabh Chawla, Jai Eun Lee, Steven A Keilin, Qiang Cai, Field F Willingham
BACKGROUND AND AIMS: Biopsy of the ampulla of Vater may be performed to evaluate for ampullary adenomas, suspected ampullary tumors and immunohistological staining for autoimmune pancreatitis. Ampullary biopsies are commonly performed at the time of endoscopic retrograde cholangiopancreatography (ERCP). Due to the well-established complication rate following ERCP, the contribution of ampullary biopsy as a potential independent risk factor would require a controlled comparison. METHODS: A matched-pairs, case-control analysis was performed for patients undergoing ERCP with or without ampullary biopsy...
January 8, 2017: Gastroenterology Report
https://www.readbyqxmd.com/read/28058023/laparoscopic-and-endoscopic-co-operative-surgery-for-non-ampullary-duodenal-tumors
#16
Daisuke Ichikawa, Shuhei Komatsu, Osamu Dohi, Yuji Naito, Toshiyuki Kosuga, Kazuhiro Kamada, Kazuma Okamoto, Yoshito Itoh, Eigo Otsuji
AIM: To assess the safety and feasibility of laparoscopic and endoscopic co-operative surgery (LECS) for early non-ampullary duodenal tumors. METHODS: Twelve patients with a non-ampullary duodenal tumor underwent LECS at our hospital. One patient had two mucosal lesions in the duodenum. The indication for this procedure was the presence of duodenal tumors with a low risk for lymph node metastasis. In particular, the tumors included small (less than 10 mm) submucosal tumors (SMT) and epithelial mucosal tumors, such as mucosal cancers or large mucosal adenomas with malignant suspicion...
December 21, 2016: World Journal of Gastroenterology: WJG
https://www.readbyqxmd.com/read/28054258/transduodenal-ampullectomy-for-ampullary-tumors
#17
Verushka M Mansukhani, Gunjan S Desai, Sasi Mouli, Keval Shirodkar, Rajiv C Shah, Jagannath Palepu
Transduodenal ampullectomy (TDA) is indicated for large ampullary tumors, for presence of dysplasia on endoscopic biopsy, for poor surgical candidates for pancreaticoduodenectomy, and in cases not indicated for endoscopic ampullectomy. Retrospective review of data from 2009 to 2015 revealed 11 patients who underwent TDA. Magnetic resonance imaging cholangiopancreatography (MRI-MRCP), contrast-enhanced computed tomography (CECT) scan, side-viewing endoscopy, and endoscopic ultrasound (EUS) were used for investigating the patients as required...
January 2017: Indian Journal of Gastroenterology: Official Journal of the Indian Society of Gastroenterology
https://www.readbyqxmd.com/read/27995196/eus-and-ampullary-adenoma-why-when
#18
EDITORIAL
María-Victoria Alvarez-Sánchez, Bertrand Napoleon
No abstract text is available yet for this article.
December 2016: Endoscopy International Open
https://www.readbyqxmd.com/read/27995195/does-ampullary-adenoma-size-predict-invasion-on-eus-does-invasion-on-eus-predict-presence-of-malignancy
#19
Vaishali Patel, Paul Jowell, Jorge Obando, Cynthia D Guy, Rebecca A Burbridge
Background and study aims: It is common practice to perform ampullectomy without endoscopic ultrasound (EUS) for ampullary lesions < 1 cm but no data exists to support it. No studies have explored whether EUS findings of invasion correlate with malignancy or high-grade dysplasia (HGD) on pathology. We explored the association between adenoma size, pathology results, and invasion on EUS.  Patients and methods: This was a single-center retrospective cohort study at a large tertiary care academic hospital...
December 2016: Endoscopy International Open
https://www.readbyqxmd.com/read/27984236/duodenal-neoplasms-of-gastric-phenotype-an-immunohistochemical-and-genetic-study-with-a-practical-approach-to-the-classification
#20
Risa Hida, Hidetaka Yamamoto, Minako Hirahashi, Reiko Kumagai, Kenichi Nishiyama, Toshihiro Gi, Motohiro Esaki, Takanari Kitazono, Yoshinao Oda
Duodenal neoplasm of gastric phenotype (DNGP) is very rare, and details of its histopathologic, genetic, and biological features are still unclear. Frequent gene mutations in GNAS, KRAS, and APC have been reported in pyloric gland adenomas and fundic gland-type neoplasms (initially reported as low-grade adenocarcinomas) of the stomach. Here we retrospectively analyzed 16 cases of extra-ampullary DNGP (benign to malignant), and we examined the mucin immunoprofile and oncogene mutations (GNAS, KRAS, APC, BRAF, and CTNNB1)...
March 2017: American Journal of Surgical Pathology
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