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https://www.readbyqxmd.com/read/28417289/reporting-the-margin-in-pancreaticoduodenectomies-r0-versus-r1
#1
Chandralekha Shyamsunder Tampi, Somesh Nilkanth, Palepu Jagannath
AIM: This study was conducted to analyze the changes in margin positivity in pancreaticoduodenectomies, on using a standardized protocol, which bread loafs the pancreas and duodenum in the axial plane for adenocarcinomas arising in the pancreatic head, ampulla, terminal common bile duct (CBD), and duodenum, and then to assess whether these tumor subsets involve the margins in different ways. METHODS: The analysis was performed on 70 consecutive specimens, the pre-protocol specimens serving as the control group...
April 18, 2017: Indian Journal of Gastroenterology: Official Journal of the Indian Society of Gastroenterology
https://www.readbyqxmd.com/read/28404159/a-microbiota-centric-view-of-diseases-of-the-upper-gastrointestinal-tract
#2
REVIEW
Gerardo Nardone, Debora Compare, Alba Rocco
The distinctive anatomy and physiology of the upper gastrointestinal tract and the difficulty of obtaining samples led to the theory that it was bacteria free. However, multiomics studies are indicating otherwise. Although influenced by both oral and gastric bacteria, the resident microbial ecosystem in the oesophagus is dominated by Streptococcus. A shift from Gram-positive to Gram-negative bacteria occurs in oesophagitis and Barrett's oesophagus, and this shift might be involved in the pathogenesis of oesophageal adenocarcinoma...
April 2017: Lancet. Gastroenterology & Hepatology
https://www.readbyqxmd.com/read/28401006/genomic-and-proteomic-characterization-of-arid1a-chromatin-remodeller-in-ampullary-tumors
#3
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/28368927/heterotopic-pancreas-of-the-gastrointestinal-tract-and-associated-precursor-and-cancerous-lesions-systematic-pathologic-studies-of-165-cases
#4
Sun-Young Jun, Dahye Son, Mi-Ju Kim, Sung Joo Kim, Soyeon An, Young Soo Park, Sook Ryun Park, Kee Don Choi, Hwoon-Yong Jung, Song Cheol Kim, Jeong Hwan Yook, Byung-Sik Kim, Seung-Mo Hong
Heterotopic pancreas (HP) can be detected by accompanying symptoms or incidentally during gastrointestinal (GI) tract tumor resection. We compared clinicopathologic features among 165 resected HPs (57 gastric [35%], 56 duodenal [34%], 30 omental [18%], and 22 jejunal [13%]). Symptomatic HPs (79/135 GI tract wall HPs, 59%) were larger (P=0.05), more common in younger patients and in a gastric location (both P<0.001), and more frequently associated with lymphoid cuffs (P=0.03) than incidentally found HPs. Gastric/jejunal HPs were more frequently symptomatic (P<0...
March 31, 2017: American Journal of Surgical Pathology
https://www.readbyqxmd.com/read/28335509/novel-diagnostic-and-predictive-biomarkers-in-pancreatic-adenocarcinoma
#5
REVIEW
John C Chang, Madappa Kundranda
Pancreatic ductal adenocarcinoma (PDAC) is a highly lethal disease for a multitude of reasons including very late diagnosis. This in part is due to the lack of understanding of the biological behavior of PDAC and the ineffective screening for this disease. Significant efforts have been dedicated to finding the appropriate serum and imaging biomarkers to help early detection and predict response to treatment of PDAC. Carbohydrate antigen 19-9 (CA 19-9) has been the most validated serum marker and has the highest positive predictive value as a stand-alone marker...
March 20, 2017: International Journal of Molecular Sciences
https://www.readbyqxmd.com/read/28314316/non-whipple-operations-in-the-management-of-benign-premalignant-and-early-cancerous-duodenal-lesions
#6
Alexandros Papalampros, Demetrios Moris, Athanasios Petrou, Nikolaos Dimitrokallis, Ioannis Karavokyros, Dimitrios Schizas, Ioanna Delladetsima, Theodore N Pappas, Evangelos Felekouras
AIM: We reviewed our 20-year experience with non-Whipple operations (pancreas-preserving duodenectomy and transduodenal ampullectomy) for the treatment of benign, premalignant or early-stage malignant duodenal lesions. PATIENTS AND METHODS: Twenty-four patients who underwent non-Whipple operations between January 1996 and December 2015 were identified from an institutional database and retrospectively analyzed. RESULTS: Between 1996 and 2015, 10 patients underwent pancreas-preserving duodenectomy and 14 patients underwent transduodenal ampullectomy...
March 2017: Anticancer Research
https://www.readbyqxmd.com/read/28303455/duodenal-cancer-in-a-young-patient-with-peuts-jeghers-syndrome-harboring-an-entire-deletion-of-the-stk11-gene
#7
Satoshi Teramae, Koichi Okamoto, Kumiko Tanaka, Reika Matsumoto, Shinji Kitamura, Tetsuo Kimura, Masahiro Sogabe, Hiroshi Miyamoto, Naoki Muguruma, Yoshimi Bando, Mitsuo Shimada, Tetsuji Takayama
A 21-year-old woman with Peuts-Jeghers syndrome (PJS) was referred to our hospital for gastrointestinal surveillance. She had been diagnosed as having PJS from a young age based on her family history and the presence of mucocutaneous pigmentation on her lips and oral mucosa. Her mother and brother had PJS harboring an entire deletion of the STK11 gene. She had tetralogy of Fallot, atrial tachycardia, sick sinus syndrome, and mental retardation in her past history. Esophagogastroduodenoscopy identified a protruded lesion with a depressed area that occupied the lumen half-circumferentially in the duodenal second portion and also showed a 10-mm protruded lesion on the anterior wall of the lower gastric body...
March 16, 2017: Clinical Journal of Gastroenterology
https://www.readbyqxmd.com/read/28263387/adjuvant-chemotherapy-versus-chemoradiotherapy-in-the-management-of-patients-with-surgically-resected-duodenal-adenocarcinoma-a-propensity-score-matched-analysis-of-a-nationwide-clinical-oncology-database
#8
Brett L Ecker, Matthew T McMillan, Jashodeep Datta, Major K Lee, Giorgos C Karakousis, Charles M Vollmer, Jeffrey A Drebin, Douglas L Fraker, Robert E Roses
BACKGROUND: To the authors' knowledge, optimal adjuvant approaches for resected duodenal adenocarcinoma are not well established. Given the significant risk of locoregional disease recurrence, there may be a subset of patients who demonstrate an improvement in overall survival (OS) from the addition of radiotherapy (chemoradiotherapy [CRT]) to an adjuvant chemotherapy regimen. METHODS: Patients with resected, nonmetastatic duodenal adenocarcinoma who received chemotherapy (694 patients) or CRT (550 patients) were identified in the National Cancer Data Base (1998-2012)...
May 15, 2017: Cancer
https://www.readbyqxmd.com/read/28255431/helical-tomotherapy-for-duodenal-adenocarcinoma-in-an-elderly-patient-a-case-report
#9
Valentina Lancellotta, Giuseppe Russo, Marco Lupattelli, Martina Iacco, Elisabetta Perrucci, Claudio Zucchetti, Lorenzo Falcinelli, Cynthia Aristei
To evaluate the efficacy and feasibility of external beam radiotherapy (EBRT) for duodenal adenocarcinoma in an 84-year-old female who underwent EBRT (2.2 Gy/d for a total dose of 46.2 Gy) using helical tomotherapy (HT). Toxicity was evaluated on the National Cancer Institute's common toxicity criteria (CTCAE 3.0). The patient completed the treatment without G3-G4 toxicity. After 22-mo follow-up, she is alive and well, in complete remission with no late side effects. HT seems to be feasible and effective for duodenal adenocarcinoma in old to very old patients...
February 15, 2017: World Journal of Gastrointestinal Oncology
https://www.readbyqxmd.com/read/28239461/tissue-microrna-profiles-as-diagnostic-and-prognostic-biomarkers-in-patients-with-resectable-pancreatic-ductal-adenocarcinoma-and-periampullary-cancers
#10
Dan Calatayud, Christian Dehlendorff, Mogens K Boisen, Jane Preuss Hasselby, Nicolai Aagaard Schultz, Jens Werner, Heike Immervoll, Anders Molven, Carsten Palnæs Hansen, Julia S Johansen
BACKGROUND: The aim of this study was to validate previously described diagnostic and prognostic microRNA expression profiles in tissue samples from patients with pancreatic cancer and other periampullary cancers. METHODS: Expression of 46 selected microRNAs was studied in formalin-fixed paraffin-embedded tissue from patients with resected pancreatic ductal adenocarcinoma (n = 165), ampullary cancer (n=59), duodenal cancer (n = 6), distal common bile duct cancer (n = 21), and gastric cancer (n = 20); chronic pancreatitis (n = 39); and normal pancreas (n = 35)...
2017: Biomarker Research
https://www.readbyqxmd.com/read/28239324/capsule-retention-caused-by-duodenal-metastases-from-primary-appendiceal-adenocarcinoma
#11
Jen-Wei Chou, Ken-Sheng Cheng
Metastatic small bowel cancers are extremely rare in clinical practice. Primary appendiceal adenocarcinoma with gastrointestinal metastasis is seldom reported in the literature. Here, we describe the case of an 80-year-old male patient with primary appendiceal adenocarcinoma, who presented to China Medical University Hospital with mid-gastrointestinal tract bleeding. Capsule endoscopy revealed stenotic bowel lumen, but the capsule was retained in the distal duodenum. Double-balloon enteroscopy demonstrated erosive and erythematous mucosa in the region of capsule retention...
January 2017: Intestinal Research
https://www.readbyqxmd.com/read/28218383/stereotactic-ablative-radiation-therapy-as-a-potential-curative-treatment-in-duodenal-adenocarcinoma-a-case-report
#12
Francesco Maria Aquilanti, Maria Cristina Barba, Federico Bianciardi, Barbara Tolu, Barbara Nardiello, Giorgio Hamid Raza, Randa El Gawhary, Chiara D'Ambrosio, PierCarlo Gentile
PURPOSE: One of the rarest gastrointestinal neoplasm is small bowel cancer. Experience with its treatment modalities is limited. Stereotactic ablative radiation therapy (SABR) has improved, with image-guided radiation therapy becoming a curative option in many tumors. Especially when surgery cannot be performed due to comorbidities, SABR provides a good toxicity profile and an excellent tumor control rate owing to its specific schedule: high dose on a limited and well-defined area. METHODS: An 83-year-old man had arterial hypertension and congestive cardiomyopathy, with recent history of upper abdominal pain, weight loss over 10 kg, and progressive severe fatigue...
February 11, 2017: Tumori
https://www.readbyqxmd.com/read/28211946/extra-ampullary-duodenal-adenoma-a-clinicopathological-study
#13
Kazunori Hijikata, Tetsuo Nemoto, Yoshinori Igarashi, Kazutoshi Shibuya
AIM: Extra-ampullary duodenal adenoma (EADA) is a rare condition with poorly described clinicopathological details. In this study, we aimed to clinicopathologically characterize EADA. 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. Gastric-type adenomas were classified into two subtypes: a pyloric gland type and a foveolar type...
February 17, 2017: Histopathology
https://www.readbyqxmd.com/read/28206943/limited-resection-of-the-duodenum-for-nonampullary-duodenal-tumors-with-review-of-the-literature
#14
REVIEW
Daisuke Hashimoto, Kota Arima, Akira Chikamoto, Katsunobu Taki, Risa Inoue, Takayoshi Kaida, Takaaki Higashi, Katsunori Imai, Toru Beppu, Hideo Baba
The surgical management of duodenal pathology is challenging because of its retroperitoneal position and shared blood supply with the pancreas. We present three types of limited resection of the duodenum for the removal of superficial or small nonampullary duodenal (NADL) lesions, and also a review of the English literature regarding management, such as endoscopic resection and limited duodenal resection. Ten cases underwent limited resections of the duodenum for superficial or small NADL lesions from 2011 to 2015...
November 1, 2016: American Surgeon
https://www.readbyqxmd.com/read/28162214/-the-role-of-hong-s-single-stitch-duct-to-mucosa-pancreaticojejunostomy-in-laparoscopic-pancreaticoduodenectomy
#15
D F Hong, Y H Liu, Y H Zhang, Y C Wang, Z M Wang, W D Wu, G L Shen, J G Zhang, W Zhang, J Cheng, S Y Peng
Objective: To investigate the role of "Hong's single-stitch duct to mucosa pancreaticojejunostomy(HSDMP)" in laparoscopic pancreaticoduodenectomy (LPD). Methods: The clinical data including perioperative and short-term outcomes of 51 cases of LPD with HSDMP which performed in Zhejiang Provincial People's Hospital(33 cases) and Frist Clinical Hospital of Jilin University(18 cases) between April and October 2016 were reviewed retrospectively. There were 31 male patients and 20 female patients. The mean age was(59±11)years...
February 1, 2017: Zhonghua Wai Ke za Zhi [Chinese Journal of Surgery]
https://www.readbyqxmd.com/read/28160741/report-of-two-cases-of-large-cell-neuroendocrine-carcinoma-of-duodenal-ampulla-with-contrasting-outcomes-following-pancreaticoduodenectomy-according-to-the-use-of-adjuvant-chemotherapy
#16
Naoya Imamura, Atsushi Nanashima, Masahide Hiyoshi, Yoshiro Fujii
INTRODUCTION: Large-cell neuroendocrine carcinoma (LCNEC) in the duodenal ampulla of Vater is a rare malignant tumor, with frequent postoperative recurrence and poor prognosis even following complete resection. Effective adjuvant chemotherapy is expected to offer longer survival. PRESENTATION OF CASE: We present two patients with LCNEC accompanied by components of tubular adenocarcinoma/adenoma in the duodenal ampulla of Vater who underwent pancreaticoduodenectomy (PD), resulting in longer survival of 1 patient...
2017: International Journal of Surgery Case Reports
https://www.readbyqxmd.com/read/28138447/diarrhea-concealing-a-duodenal-cecal-fistula-secondary-to-appendiceal-mucinous-neoplasm
#17
Su Aung, Amanda Cheung, Charlene Prather, Jinping Lai
Primary mucinous adenocarcinoma of the appendix is a rare gastrointestinal malignancy. Fistulous tract formation is a complication that is cited in literature. An 85-year-old man with multiple comorbidities presented with several weeks of persistent non-bloody diarrhea. Laboratory work-up was non-diagnostic. Abdominal imaging with barium contrast showed an enterocolonic fistulous tract extending from the duodenum to the cecum involving an enlarged appendiceal mass. Subsequent biopsy confirmed mucinous appendiceal neoplasm with peritoneal spread to the liver and mesentery...
2017: ACG Case Reports Journal
https://www.readbyqxmd.com/read/28133227/-resection-for-a-locally-advanced-duodenal-adenocarcinoma-with-obstructive-jaundice-and-hepatic-and-pancreatic-invasion-a-case-report
#18
Yuki Hirose, Jun Sakata, Daiki Soma, Tomohiro Katada, Hirosuke Ishikawa, Kohei Miura, Taku Ohashi, Kazuyasu Takizawa, Kabuto Takano, Takashi Kobayashi, Hitoshi Kameyama, Toshifumi Wakai
A 64-year-old woman diagnosed with duodenal adenocarcinoma with duodenal stenosis and obstructive jaundice was referred to our hospital. Computed tomography revealed a tumor measuring 9×6 cm in the second portion of the duodenum that had invaded the liver(S6)and head of the pancreas. After percutaneous transhepatic biliary drainage for obstructive jaundice, the patient underwent subtotal stomach-preserving pancreaticoduodenectomy, partial resection of the liver(S6), and partial resection of the colon. Histologic examination showed the primary tumor to be moderately and poorly differentiated adenocarcinoma with hepatic and pancreatic invasion; lymph node metastasis was not found...
November 2016: Gan to Kagaku Ryoho. Cancer & Chemotherapy
https://www.readbyqxmd.com/read/28133226/-a-case-of-mixed-adenoneuroendocrine-carcinoma-manec-of-the-duodenum
#19
Yu Asakura, Takuro Yoshikawa, Hiroki Sakamoto, Takahisa Akashi, Yoshiyuki Owada, Tetsuya Ienaga, Yoshihiro Ikura, Yasuhiro Iwai
A 79-year-old man was admitted to our hospital because of a positive fecal occult blood test. Gastrointestinal endoscopy revealed a tumor in the duodenal bulb. Histologically, biopsy specimens indicated adenocarcinoma. The patient underwent distal gastrectomy. Histopathological examination showed a neuroendocrine carcinoma with an adenocarcinoma. According to the 2010WHO Classification of Tumours of the Digestive System, this case was diagnosed as mixed adenoneuroendocrine carcinoma(MANEC). There was no metastatic lesion in the resected lymph node...
November 2016: Gan to Kagaku Ryoho. Cancer & Chemotherapy
https://www.readbyqxmd.com/read/28131855/helicobacter-pylori-treatment-new-perspectives-using-current-experience
#20
REVIEW
Amin Talebi Bezmin Abadi
Infection with Helicobacter pylori plays an essential role in the development of duodenal and gastric ulcers as well as in the pathobiology of gastric adenocarcinoma. Thus, successful elimination of the bacterium can reduce the risk of development of these diseases. Currently, most guidelines recommend standard triple therapy (amoxicillin+clarithromycin+proton pump inhibitor), although its efficacy is rapidly falling. Notably, traditional first-line therapy fails in almost 32% of H. pylori-carrying cases, suggesting the importance of choosing the best formulation for first-line therapy...
January 25, 2017: Journal of Global Antimicrobial Resistance
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