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      Ethanol Ablation of a Peripheral Nerve Sheath Tumor Presenting as a Small Bowel Obstruction

      case-report
      , MD , , MD, , MD, , MD, , MD
      ACG Case Reports Journal
      American College of Gastroenterology

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          Abstract

          Ethanol has historically been used as an ablative agent for a variety of lesions. One of the more common applications of this technique is celiac plexus neurolysis; however, recent reports have suggested a role for the endoscopic alcohol ablation of a variety of solid and cystic lesions. We report a novel case of endoscopic ethanol ablation of a peripheral nerve sheath tumor presenting as a small bowel obstruction.

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          Efficacy of endoscopic ultrasound-guided celiac plexus block and celiac plexus neurolysis for managing abdominal pain associated with chronic pancreatitis and pancreatic cancer.

          Endoscopic ultrasound (EUS)-guided celiac plexus block (CPB) and celiac plexus neurolysis (CPN) have become important interventions in the management of pain due to chronic pancreatitis and pancreatic cancer. However, only a few well-structured studies have been performed to evaluate their efficacy. Given limited data, their use remains controversial. Herein, we evaluate the efficacy of EUS-guided CPB and CPN in alleviating chronic abdominal pain due to chronic pancreatitis and pancreatic cancer respectively. Using Medline, Pubmed, and Embase databases from January 1966 through December 2007, a thorough search of the English literature for studies evaluating the efficacy of EUS-guided CPB and CPN for the management of chronic abdominal pain due to chronic pancreatitis and pancreatic cancer was conducted, along with a hand search of reference lists. Studies that involved less than 10 patients were excluded. Data on pain relief was extracted, pooled, and analyzed. A total of 9 studies were included in the final analysis. For chronic pancreatitis, 6 relevant studies were identified, comprising a total of 221 patients. EUS-guided CPB was effective in alleviating abdominal pain in 51.46% of patients. For pancreatic cancer, 5 relevant studies were identified with a total of 119 patients. EUS-guided CPN was effective in alleviating abdominal pain in 72.54% of patients. EUS-guided CPB was 51.46% effective in managing chronic abdominal pain in patients with chronic pancreatitis, but warrants improvement in patient selection and refinement of technique, whereas EUS-guided CPN was 72.54% effective in managing pain due to pancreatic cancer and is a reasonable option for patients with tolerance to narcotic analgesics.
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            EUS-guided celiac plexus neurolysis for pain due to chronic pancreatitis or pancreatic cancer pain: a meta-analysis and systematic review.

            The objective of this study was to evaluate the efficacy of EUS-guided CPN for pain relief in patients with chronic pancreatitis and pancreatic cancer. An initial search identified 1,439 reference articles, of which 130 relevant articles were selected and reviewed. Data was extracted from 8 studies (N = 283) for EUS-guided CPN for pain due to pancreatic cancer and nine studies for chronic pancreatitis (N = 376) which met the inclusion criteria. With EUS-guided CPN, the pooled proportion of patients with pancreatic cancer that showed pain relief was 80.12% (95% CI = 74.47-85.22). In patients with pain due to chronic pancreatitis, EUS-guided CPN provided pain relief in 59.45% (95% CI = 54.51-64.30). In conclusion, EUS-guided CPN offers a safe alternative technique for pain relief in patients with chronic pancreatitis or pancreatic cancer. In patients with pain due to chronic pancreatitis, better techniques or injected materials are needed to improve the response.
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              Percutaneous ethanol injection in the treatment of hepatocellular carcinoma in cirrhosis. A study on 207 patients.

              In 207 cirrhotic patient carriers of hepatocellular carcinoma (HCC), percutaneous ethanol injection (PEI) was administered with ultrasound guidance. The patients were classified as Child's Class A, 136; B, 54; and C, 17. Their mean age was 63.5 years, and the male-female ratio was 3.5:1. There was a single HCC less than 5 cm in diameter in 162 patients; 45 had more than one HCC. The follow-up ranged from 5 to 71 months (mean, 25 months). No noteworthy complications occurred during or after 2485 treatments. The 1-year, 2-year, and 3-year survival percentages (by the Kaplan-Meier method) for the patients with one HCC were 90%, 80%, and 63%, respectively. The corresponding percentages by Child's class were 97%, 92%, and 76% for Class A; 88%, 68%, and 42% for B; and 40%, 0%, and 0% for C. The 1-year, 2-year and 3-year survival rates for patients with more than one HCC were 90%, 67%, and 31% respectively. These results were similar to those found by others and showed that PEI was a safe, reproducible, easy-to-do, and low-cost therapeutic technique. In terms of survival, these PEI results were better than the published results of no treatment and equivalent to those of surgery. In uncontrolled series, bias can play an important role. Therefore, additional trials would be useful.
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                Author and article information

                Journal
                ACG Case Rep J
                ACG Case Rep J
                crj
                ACG Case Reports Journal
                American College of Gastroenterology
                2326-3253
                October 2015
                09 October 2015
                : 3
                : 1
                : 31-32
                Affiliations
                H.H. Chao Comprehensive Digestive Disease Center, Division of Gastroenterology, University of California: Irvine, Orange, CA
                Author notes
                Correspondence: Matthew Chin, Division of Gastroenterology, 333 City Blvd West, Orange County, CA 92868 ( machin@ 123456uci.edu ).
                Article
                crj.2015.92
                10.14309/crj.2015.92
                4612753
                02377f27-54f6-4e45-be9d-e5211b7da021
                Copyright © Chin et al.

                This is an open-access article. This work is licensed under a Creative Commons Attribution-NonCommercial-NoDerivatives 4.0 International License. To view a copy of this license, visit http://creativecommons.org/licenses/by-nc-nd/4.0/

                History
                : 18 March 2015
                : 29 June 2015
                Categories
                Case Report
                Endoscopy

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