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endoscopic mucosal resection

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https://www.readbyqxmd.com/read/29344571/underwater-endoscopic-mucosal-resection-a-new-endoscopic-method-for-resection-of-rectal-neuroendocrine-tumor-grade-1-carcinoid-%C3%A2-%C3%A2-10%C3%A2-mm-in-diameter
#1
Takeshi Yamashina, Takehiko Tumura, Takanori Maruo, Takayuki Matsumae, Hiroyuki Yoshida, Gensho Tanke, Mio Taki, Manabu Fukuhara, Yoshito Kimura, Azusa Sakamoto, Shinichiro Henmi, Yugo Sawai, Sumio Saito, Norihiro Nishijima, Akihiro Nasu, Hideyuki Komekado, Masanori Asada, Ryuichi Kita, Toru Kimura, Yukio Osaki
Background and study aims  Rectal neuroendocrine tumors grade 1 (NET G1; carcinoid) ≤ 10 mm in diameter often extend into the submucosa, making their complete histological resection difficult using endoscopic techniques. Endoscopic submucosal resection with a ligation device (ESMR-L) and endoscopic submucosal dissection (ESD) are commonly used to overcome these difficulties. We also previously reported that underwater endoscopic mucosal resection (UEMR) could facilitate resection of rectal NET G1...
January 2018: Endoscopy International Open
https://www.readbyqxmd.com/read/29342490/detection-of-early-neoplasia-in-barrett-s-esophagus-using-lectin-based-near-infrared-imaging-an-ex-vivo-study-on-human-tissue
#2
André A Neves, Massimiliano Di Pietro, Maria O'Donovan, Dale J Waterhouse, Sarah E Bohndiek, Kevin M Brindle, Rebecca C Fitzgerald
BACKGROUND AND STUDY AIMS:  Endoscopic surveillance for Barrett's esophagus (BE) is limited by long procedure times and sampling error. Near-infrared (NIR) fluorescence imaging minimizes tissue autofluorescence and optical scattering. We assessed the feasibility of a topically applied NIR dye-labeled lectin for the detection of early neoplasia in BE in an ex vivo setting. METHODS:  Consecutive patients undergoing endoscopic mucosal resection (EMR) for BE-related early neoplasia were recruited...
January 17, 2018: Endoscopy
https://www.readbyqxmd.com/read/29342455/endoscopic-full-thickness-resection-of-a-colonic-lateral-spreading-tumor
#3
Ana-Maria Bucalau, Arnaud Lemmers, Marianna Arvanitakis, Daniel Blero, Horst Neuhaus
The Full-Thickness Resection Device (FTRD; Ovesco Endoscopy, Tübingen, Germany) combines endoscopic full-thickness resection (EFTR) of gastrointestinal lesions with closure and cutting of the tissue in one integrated procedure. It provides en-bloc resection with an integral wall specimen for histopathological evaluation. This resection technique is partially filling of the gaps between the current procedures of choice in endoscopy (endoscopic mucosal resection and endoscopic submucosal dissection) and surgery...
January 17, 2018: Digestive Diseases
https://www.readbyqxmd.com/read/29336292/use-of-intraoperative-negative-margins-reduces-inverted-papilloma-recurrence
#4
Amar Miglani, Joseph M Hoxworth, Matthew A Zarka, Devyani Lal
BACKGROUND: Recurrence of inverted papilloma (IP) is a problem in 12-17% of tumors. Controversy exists regarding benefits of intraoperative frozen section histopathology (IFSH) for IP resection; however, to our knowledge, no study has specifically investigated this. IFSH for IP resection is the standard of care in our practice. We, therefore, reviewed our outcomes of using IFSH for IP resection. A secondary goal was to assess the reliability of IFSH. METHODS: Patients with IP who underwent surgical resection (2010-2016) with minimum 9-month follow-up were included...
January 1, 2018: American Journal of Rhinology & Allergy
https://www.readbyqxmd.com/read/29334527/transanal-minimally-invasive-anal-canal-polyp-resection
#5
Giovanni Dapri, Anny Cadenas Fabres, Olivier Nicod, Garces Duran Rodrigo, Vinciane Muls, Marc Van Gossum
Endoscopic mucosal resection and endoscopic submucosal dissection (ESD) are operative endoscopies that have been performed since a long time. Recently, an evolution of laparoscopy called transanal minimally invasive surgery began to be popularized, and it can be adopted in the face of difficult cases for endoscopic mucosal resection/ESD. In this video, a 36-year-old woman was submitted to transanal minimally invasive surgery resection, after unsuccessful ESD, for a 2-cm polyp located anteriorly in the anal canal, just beyond the pectineal line...
January 12, 2018: Surgical Laparoscopy, Endoscopy & Percutaneous Techniques
https://www.readbyqxmd.com/read/29317270/clinical-outcome-of-endoscopic-mucosal-resection-of-sporadic-nonampullary-duodenal-adenoma-a-10-year-retrospective
#6
Yutaka Tomizawa, Gregory G Ginsberg
BACKGROUND AND AIMS: Sporadic non-ampullary duodenal adenomas (SNADAs), although uncommon, pose clinical challenges. Because SNADAs have malignant potential, endoscopic or surgical resection is generally recommended. Endoscopic mucosal resection (EMR) is increasingly used for resection of SNADAs, but large-scale data on natural history after EMR are scarce. In this study, we aimed to evaluate the clinical outcome of EMR for SNADAs and the natural history after EMR from a large single-operator experience with dedicated follow-up...
January 6, 2018: Gastrointestinal Endoscopy
https://www.readbyqxmd.com/read/29309777/endoscopic-mucosal-resection-of-laterally-spreading-lesions-around-or-involving-the-appendiceal-orifice-technique-risk-factors-for-failure-and-outcomes-of-a-tertiary-referral-cohort-with-video
#7
David J Tate, Lobke Desomer, Halim Awadie, Kathleen Goodrick, Luke Hourigan, Rajvinder Singh, Stephen J Williams, Michael J Bourke
BACKGROUND AND AIMS: Endoscopic mucosal resection (EMR) of peri-appendiceal sessile laterally spreading lesions (PA-LSLs) is technically demanding due to poor endoscopic access to the appendiceal lumen and the thin colonic wall at the base of the cecum. We aimed to assess the feasibility and safety of EMR for PA-LSLs. METHODS: Consecutive LSLs ≥20 mm and PA-LSLs ≥10 mm detected at 3 academic endoscopy centers from September 2008 until January 2017 were eligible...
January 5, 2018: Gastrointestinal Endoscopy
https://www.readbyqxmd.com/read/29302739/comparison-of-endo-cut-mode-and-forced-coag-mode-for-the-formation-of-stricture-after-esophageal-endoscopic-submucosal-dissection-in-an-in-vivo-porcine-model
#8
Masamichi Arao, Ryu Ishihara, Yusuke Tonai, Taro Iwatsubo, Satoki Shichijyo, Noriko Matsuura, Hiroko Nakahira, Sachiko Yamamoto, Yoji Takeuchi, Koji Higashino, Noriya Uedo, Shinichi Nakatsuka
BACKGROUND AND STUDY AIM: Stricture is a major complication of esophageal endoscopic submucosal dissection (ESD) for superficial esophageal carcinoma. To date, various methods have been developed to prevent stricture. However, the mechanism by which different electrosurgical unit (ESU) modes affect the formation of post-ESD stricture has not been evaluated. This study aimed to compare the degree of stricture caused by two major ESU modes (ENDO CUT mode and FORCED COAG mode) in a porcine model...
January 4, 2018: Surgical Endoscopy
https://www.readbyqxmd.com/read/29290662/combined-thoracoscopic-and-endoscopic-surgery-for-a-large-esophageal-schwannoma
#9
Yu Onodera, Toru Nakano, Daisuke Takeyama, Shota Maruyama, Yusuke Taniyama, Tadashi Sakurai, Takahiro Heishi, Chiaki Sato, Takuro Kumagai, Takashi Kamei
A 47-year-old woman presented to our hospital with complaints of dysphagia. Esophagogastroduodenoscopy identified a submucosal tumor in the left wall of the esophagus that was diagnosed as a benign schwannoma on biopsy. Computed tomography revealed a tumor of length 60 mm in the thoracic esophagus, with its cranial edge at the level of the aortic arch. On endoscopy, a submucosal tunnel was created 40 mm proximal to the cranial edge of the tumor, and its oral end was dissected from the mucosal and muscular layers...
December 14, 2017: World Journal of Gastroenterology: WJG
https://www.readbyqxmd.com/read/29290655/endoscopic-ultrasound-staging-for-early-esophageal-cancer-are-we-denying-patients-neoadjuvant-chemo-radiation
#10
Carrie Luu, Marisa Amaral, Jason Klapman, Cynthia Harris, Khaldoun Almhanna, Sarah Hoffe, Jessica Frakes, Jose M Pimiento, Jacques P Fontaine
AIM: To evaluate the accuracy of endoscopic ultrasound (EUS) in early esophageal cancer (EC) performed in a high-volume tertiary cancer center. METHODS: A retrospective review of patients undergoing esophagectomy was performed and patients with cT1N0 and cT2N0 esophageal cancer by EUS were evaluated. Patient demographics, tumor characteristics, and treatment were reviewed. EUS staging was compared to surgical pathology to determine accuracy of EUS. Descriptive statistics was used to describe the cohort...
December 14, 2017: World Journal of Gastroenterology: WJG
https://www.readbyqxmd.com/read/29282496/management-of-complex-polyps-of-the-colon-and-rectum
#11
REVIEW
Fernando A Angarita, Adina E Feinberg, Stanley M Feinberg, Robert H Riddell, J Andrea McCart
PUPRPOSE: Benign polyps that are technically challenging and unsafe to remove via polypectomy are known as complex polyps. Concerns regarding safety and completeness of resection dictate they undergo advanced endoscopic techniques, such as endoscopic mucosal resection or surgery. We provide a comprehensive overview of complex polyps and current treatment options. METHODS: A review of the English literature was conducted to identifyarticles describing the management of complex polyps of the colon and rectum...
December 28, 2017: International Journal of Colorectal Disease
https://www.readbyqxmd.com/read/29280124/-efficacy-analysis-of-endoscopic-therapy-for-early-colorectal-carcinoma-a-retrospective-study-of-113-cases
#12
Long Rong, Guanyi Liu, Weidong Nian, Xin Wang, Yunlong Cai, Jinyu Liang, Yan He, Jixin Zhang
OBJECTIVE: To analyze the clinical efficacy of endoscopic therapy for early colorectal cancer. METHODS: Clinical data of 113 early colorectal mucosal carcinoma or submucosal carcinoma receiving endoscopic therapy were retrospectively analyzed and compared with 39 early colorectal cancer cases receiving surgery during the same time. RESULTS: All the cases were well-moderately differentiated adenocarcinoma. Size of tumors in endoscopic group was (26...
December 25, 2017: Zhonghua Wei Chang Wai Ke za Zhi, Chinese Journal of Gastrointestinal Surgery
https://www.readbyqxmd.com/read/29280035/lymphovascular-invasion-and-lymph-node-metastasis-rates-in-papillary-adenocarcinoma-of-the-stomach-implications-for-endoscopic-resection
#13
Byung-Hoon Min, Sun-Ju Byeon, Jun Haeng Lee, Kyoung-Mee Kim, Ji Yeong An, Min Gew Choi, Jun Ho Lee, Tae Sung Sohn, Jae Moon Bae, Sung Kim
BACKGROUND: Current Japanese gastric cancer treatment guidelines recommend the same endoscopic resection criteria for papillary early gastric cancer (EGC) and well-differentiated (WD) or moderately differentiated (MD) EGC. To evaluate the appropriateness of this recommendation, we compared the clinicopathological characteristics of papillary EGC with those of WD, MD, poorly differentiated (PD), and signet ring cell (SRC) EGC. METHODS: A total of 6710 patients who underwent radical gastrectomy for EGC were included...
December 26, 2017: Gastric Cancer
https://www.readbyqxmd.com/read/29279249/reconstruction-of-a-skull-base-defect-after-endoscopic-endonasal-resection-of-a-pituitary-adenoma-sphenoid-mucosal-flaps
#14
Erden Goljo, Eliezer Kinberg, Katelyn Stepan, Jill K Gregory, Alfred M Iloreta, Satish Govindaraj, Hongyan Zou
This report describes a bilateral sphenoid sinus mucosal flap for the repair of a sellar floor defect and CSF leak following endoscopic endonasal skull base surgery. The key advantage of this technique is enabling the sphenoid mucosal flaps to remain vascularized, which reduces postoperative complications including CSF leakage, recurrent sinusitis, meningitis, encephalitis and pneumocephalus. The use of this technique is a viable and possibly favorable alternative to free grafts in the reconstruction of small to medium sized sellar defects with low flow or absent CSF leaks base surgery...
December 20, 2017: American Journal of Otolaryngology
https://www.readbyqxmd.com/read/29276220/metachronous-neoplasia-and-local-recurrence-after-colorectal-endoscopic-submucosal-dissection
#15
Daisuke Takei, Keita Harada, Shiho Takashima, Toshihiro Inokuchi, Asuka Nakarai, Yusaku Sugihara, Masanobu Takahara, Sakiko Hiraoka, Hiroyuki Okada
Several reports discussed colonoscopic surveillance after polypectomy and endoscopic mucosal resection (EMR) for colorectal polyps, but only a few reports focused on prognostic analyses, and none involved metachronous neoplasia after colorectal endoscopic submucosal dissection (ESD). We conducted the present study to assess the risk of adenoma recurrence requiring endoscopic treatment, and to establish appropriate post-ESD colonoscopic surveillance. We enrolled 116 patients who had undergone colorectal ESD at Okayama University Hospital between February 2008 and July 2014 and had been followed-up >12 months...
December 2017: Acta Medica Okayama
https://www.readbyqxmd.com/read/29261768/the-longest-diameter-of-tumor-as-a-parameter-of-endoscopic-resection-in-early-gastric-cancer-in-comparison-with-tumor-area
#16
Yoo Jin Um, Hae Won Kim, Da Hyun Jung, Jie-Hyun Kim, Jae Jun Park, Young Hoon Youn, Hyojin Park, Jong Won Kim, Seung Ho Choi, Sung Hoon Noh
BACKGROUND AND AIM: Tumor burden is important to predict clinical behaviors of cancer such as lymph node metastasis (LNM). Tumor size has been used as a parameter of tumor burden such as indication of endoscopic resection in early gastric cancer (EGC) to predict LNM. Thus, we aimed to investigate whether tumor area can be more helpful to predict clinical behaviors than longest diameter of tumor in EGC. PATIENTS AND METHODS: 3,059 patients who underwent gastrectomy for EGC were reviewed retrospectively...
2017: PloS One
https://www.readbyqxmd.com/read/29250584/endoscopic-full-thickness-resection-for-t1-early-rectal-cancer-a-case-series-and-video-report
#17
Paola Soriani, Gian Eugenio Tontini, Helmut Neumann, Germana de Nucci, Domenico De Toma, Barbara Bruni, Sara Vavassori, Luca Pastorelli, Maurizio Vecchi, Pavlos Lagoussis
Background and study aims:  Endoscopic treatment of malignant colorectal polyps is often challenging, especially for early rectal cancer (ERC) localized close to the dentate line. Conversely, the surgical approach may result in temporary or definitive stoma and in frequent post-surgical complications. The Full-Thickness Resection Device (FTRD ® ) System (Ovesco Endoscopy, Tübingen, Germany) is a novel system that, besides having other indications, appears to be promising for wall-thickness excision of intestinal T1 carcinoma following incomplete endoscopic resection...
November 2017: Endoscopy International Open
https://www.readbyqxmd.com/read/29249913/new-strategies-to-improve-polypectomy-during-colonoscopy
#18
Michael B Wallace
In the United States, colorectal cancer (CRC) is the second-leading cause of cancer-related deaths. The most effective strategy for prevention of CRC is to screen for and remove precancerous polyps. There are various ways to screen for CRC. In the United States, the most common method is colonoscopy. Polyps are classified primarily through pathology. Size is the primary risk factor for malignancy. In general, the bigger the polyp, the greater the risk for malignancy. There are 3 basic options for removal: standard polypectomy; advanced resection techniques, known as endoscopic mucosal resection (EMR) and endoscopic submucosal dissection (ESD); and surgical removal...
October 2017: Gastroenterology & Hepatology
https://www.readbyqxmd.com/read/29241276/multiband-mucosectomy-for-the-treatment-of-challenging-non-pedunculated-colorectal-polyps
#19
Joaquín Rodríguez-Sánchez, Eva De la Santa Belda, Pilar Olivencia Palomar, Margarita Úbeda Muñoz, José Olmedo Camacho
Background and study aims Endoscopic mucosal resection is the gold standard treatment for non-pedunculated colorectal polyps; however, some specific situations (location behind folds, scarred or flat morphology) can make this technique challenging. We aimed to assess the efficacy and safety of multiband mucosectomy (MBM) for resection of non-pedunculated colorectal polyps. Patients and methods This was a retrospective study of patients in whom MBM was performed to resect large non-pedunculated colorectal polyps...
December 14, 2017: Endoscopy
https://www.readbyqxmd.com/read/29228128/evaluation-of-a-novel-infra-red-endoscopy-system-in-the-assessment-of-early-neoplasia-in-barretts-esophagus-pilot-study-from-a-single-center
#20
J Ortiz-Fernandez-Sordo, S Sami, R Mansilla-Vivar, V Subramanian, J Mannath, E Telakis, K Ragunath
Infrared endoscopy (IRE) has been shown to be useful in detecting submucosal (SM) invasion in early gastric cancer. Its role in the endoscopic assessment of Barrett's neoplasia has not been reported to date. We aimed in this study to evaluate the role of IRE in the detection and characterization of early neoplastic lesions within Barrett's esophagus (BE). The secondary aim was to explore its usefulness for the assessment of the presence of submucosal invasion in these early neoplastic Barrett's lesions. We included in the study patients with dysplastic BE who were referred to our institution for endoscopic therapy of a previously diagnosed early Barrett's neoplasia...
December 8, 2017: Diseases of the Esophagus: Official Journal of the International Society for Diseases of the Esophagus
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