Research Topics
| M J WiersemaSummaryAffiliation: Mayo Clinic Country: USA Publications
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Detail Information
Publications
Endoscopic ultrasound for luminal malignanciesRaghuram P Reddy
Developmental Endoscopy Unit, Division of Gastroenterology and Hepatology, Mayo Clinic, Rochester, MN 55905, USA
Gastrointest Endosc Clin N Am 15:399-429, vii. 2005..In this article we discuss the role of EUS for evaluating luminal GI cancers...- Evaluation of mediastinal lymphadenopathy with endoscopic US-guided fine-needle aspiration biopsyM J Wiersema
Division of Gastroenterology and Hepatology, Mayo Clinic, 200 First St SW, Eisenberg 8A, Rochester, MN 55905, USA
Radiology 219:252-7. 2001..To evaluate the safety and accuracy of endoscopic ultrasonography (US)-guided fine-needle aspiration biopsy (FNAB) of lymph nodes in the paratracheal, aortopulmonic, subcarinal, and posterior mediastinal regions... - Identifying contraindications to resection in patients with pancreatic carcinoma: the role of endoscopic ultrasoundMaurits J Wiersema
Eisenberg 8A, Mayo Clinic, 200 First Street SW, Rochester, MN 55905, USA
Can J Gastroenterol 16:109-14. 2002..To present recently published material comparing the performance of endosonography relative to other imaging modalities when evaluating the patient with a suspected or known pancreas carcinoma... - Accuracy of endoscopic ultrasound in diagnosing and staging pancreatic carcinomaM J Wiersema
Division of Gastroenterology and Hepatology, Mayo Clinic, Rochester, Minn, USA
Pancreatology 1:625-32. 2001..The aim of this review is to present recently published material comparing the performance of endosonography relative to other imaging modalities when evaluating a patient with a suspected or known carcinoma of the pancreas... - Endoscopic ultrasound for rectal cancerMaurits J Wiersema
Division of Gastroenterology and Hepatology, Mayo Clinic, 200 First Street SW, Rochester, MN 55905, USA
Gastroenterol Clin North Am 31:1093-105. 2002..This will require further long-term outcome studies focusing on the endpoint of tumor recurrence and patient survival... - Impact of EUS-guided fine-needle aspiration on lymph node staging in patients with esophageal carcinomaE Vazquez-Sequeiros
Developmental Endoscopy Unit, Divisions of Gastroenterology and Hepatology, General Thoracic Surgery and Pathology, Mayo Clinic, Rochester, Minnesota 55905, USA
Gastrointest Endosc 53:751-7. 2001..EUS-FNA of nonperitumoral lymph nodes in patients with esophageal carcinoma is safe and should be routinely performed when treatment decisions will be affected by nodal stage... - EUS-guided fine-needle aspiration combined with flow cytometry and immunocytochemistry in the diagnosis of lymphomaA Ribeiro
Developmental Endoscopy Unit, Division of Gastroenterology and Hepatology and Department of Surgical Pathology, Mayo Clinic, Rochester, MN 55905, USA
Gastrointest Endosc 53:485-91. 2001..CONCLUSION: EUS-FNA can provide cytology specimens diagnostic for lymphoma. Selective use of FC/IC in patients with suspected lymphoma improves the yield of EUS-FNA and may guide diagnostic evaluation and treatment decisions... - Initial experience with a steerable, phased vector array ultrasound catheter in the GI tractI D Norton
Divisions of Gastroenterology and Cardiology, Mayo Clinic and Foundation, Rochester, MN 55905, USA
Gastrointest Endosc 53:496-9. 2001..CONCLUSIONS: This 10F array US catheter is capable of high-resolution two-dimensional imaging of the gut wall as well as high-quality Doppler imaging. The Doppler capabilities of this equipment may have new GI applications... - Utility of endoscopic ultrasonography in endoscopic drainage of pancreatic pseudocysts in selected patientsI D Norton
Division of Gastroenterology and Hepatology and Internal Medicine, Mayo Clinic, Rochester, Minn 55905, USA
Mayo Clin Proc 76:794-8. 2001..Endoscopic ultrasonography was useful for selecting an optimal and safe drainage site. The combination of balloon dilation, multiple stents, and antibiotics appears to resolve pancreatic pseudocysts without septic complications... - Chronic pancreatitis: focal pancreatitis or cancer? Is there a role for FNA/biopsy? Autoimmune pancreatitisM J Levy
Division of Gastroenterology and Hepatology, Mayo Clinic, 200 First Street SW, Rochester, MN 55905, USA
Endoscopy 38:S30-5. 2006 - A cost analysis of endoscopic ultrasound in the evaluation of pancreatic head adenocarcinomaG C Harewood
Developmental Endoscopy Unit, Mayo Clinic, Rochester, Minnesota 55905, USA
Am J Gastroenterol 96:2651-6. 2001..These results support performing EUS in patients whose tumors are thought to be resectable on helical CT to enhance NPT LN assessment... - A prospective study of EUS-guided celiac plexus neurolysis for pancreatic cancer painN T Gunaratnam
Developmental Endoscopy Unit, Division of Gastroenterology and Hepatology, Mayo Clinic, Rochester, Minnesota, USA
Gastrointest Endosc 54:316-24. 2001..002). Procedure-related transient abdominal pain was noted in 5 patients; there were no major complications. CONCLUSIONS: EUS celiac plexus neurolysis is safe and controls pain caused by unresectable pancreatic cancer... - Prospective comparison of endoscopy patient satisfaction surveys: e-mail versus standard mail versus telephoneG C Harewood
Division of Gastroenterology and Hepatology, Mayo Clinic, Rochester, Minnesota 55905, USA
Am J Gastroenterol 96:3312-7. 2001..The satisfaction levels of the responders may underestimate the overall satisfaction of the population being surveyed... - [Diagnostic and therapeutic interventional echoendoscopy]E Vazquez-Sequeiros
Developmental Endoscopy Unit, Division of Gastroenterology and Hepatology, Mayo Clinic, Rochester, Minnesota, USA
Gastroenterol Hepatol 25:48-55. 2002 - Endoscopic removal of a biliary Wallstent with a suture-cutting device in a patient with primary pancreatic lymphomaM J Levy
Division of Gastroenterology, The Mayo Clinic, Rochester, Minnesota 55905, USA
Endoscopy 34:835-7. 2002..This report describes experience with the use of an endoscopic suture-cutting device to assist in the removal of the metal stent. It also highlights the need for proper patient selection before placement of biliary metal stents... - A comparison of endoscopic ultrasound, magnetic resonance imaging, and exam under anesthesia for evaluation of Crohn's perianal fistulasD A Schwartz
The Division of Gastroenterology and Hepatology, Mayo Clinic, Rochester, Minnesota 55905, USA
Gastroenterology 121:1064-72. 2001..Accuracy was 100% when any 2 tests were combined. CONCLUSIONS: EUS, MRI, and EUA are accurate tests for determining fistula anatomy in patients with perianal Crohn's disease. The optimal approach may be combining any 2 of the 3 methods... - Acute pancreatitis after EUS-guided FNA of solid pancreatic masses: a pooled analysis from EUS centers in the United StatesMohamad A Eloubeidi
Endoscopic Ultrasound Program, University of Alabama, 1530 3rd Avenue South, ZRB 636, Birmingham, AL 35294-0007, USA
Gastrointest Endosc 60:385-9. 2004..The procedure appears to be safe when performed by experienced endosonographers. The frequency of post EUS-guided FNA pancreatitis may be underestimated by retrospective analysis... - Pancreatic neoplasmsMichael J Levy
Developmental Endoscopy Unit, Division of Gastroenterology and Hepatology, Mayo Clinic, 200 First Street Southwest, Rochester, MN 55905, USA
Gastrointest Endosc Clin N Am 15:117-42, x. 2005..Endoscopic ultrasound (EUS) is performed commonly to further characterize the lesion, obtain a tissue diagnosis, and for staging. This article reviews the role of EUS for the diagnosis and staging of pancreatic tumors... - EUS features of recurrent transitional cell bladder cancer metastatic to the GI tractTony E Yusuf
Gastrointest Endosc 61:314-6. 2005..Although firm EUS criteria for TCBC cannot be established based on findings in 3 patients, certain features may prove useful. EUS-guided FNA can confirm the diagnosis... - EUS FNA staging of esophageal cancerEnrique Vazquez-Sequeiros
Gastroenterology 126:1499-500. 2004 - Impact of lymph node staging on therapy of esophageal carcinomaEnrique Vazquez-Sequeiros
Division of Gastroenterology and Hepatology, Mayo Clinic, Rochester, Minnesota, USA
Gastroenterology 125:1626-35. 2003..CONCLUSIONS: EUS FNA is more accurate for nodal staging and impacts on therapy of patients with esophageal carcinoma. EUS FNA should be included in the preoperative staging algorithm of these patients... - EUS-guided trucut biopsy for diagnosis of an esophageal stromal tumor: case reportDhiraj Yadav
Developmental Endoscopy Unit, Division of Gastroenterology and Hepatology, Mayo Clinic, Rochester, Minnesota 55905, USA
Gastrointest Endosc 58:457-60. 2003 - Pancreatic malignancy: value of arterial, pancreatic, and hepatic phase imaging with multi-detector row CTJoel G Fletcher
Department of Radiology, Mayo Clinic Rochester, 200 First Street SW, Mayo E 2 B, Rochester, MN 55905, USA
Radiology 229:81-90. 2003..To assess the value of arterial, pancreatic, and hepatic phase imaging at multi-detector row computed tomography (CT) of the pancreas for pancreatic malignancy... - Evaluation of a new curved linear array echoendoscopy system for EUSDany K Shamoun
Division of Gastroenterology and Hepatology, University of Iowa Hospitals and Clinics, Iowa City 52242, USA
Gastrointest Endosc 57:937-42. 2003..Although image quality is sufficient for EUS-FNA and celiac plexus neurolysis, the compact unit cannot be used as a "stand-alone" system for routine diagnostic EUS, and its use must be complemented by standard radial imaging... - EUS-guided celiac plexus neurolysis and celiac plexus blockMichael J Levy
Developmental Endoscopy Unit, Division of Gastroenterology and Hepatology, Mayo Clinic, Rochester, Minnesota 55905, USA
Gastrointest Endosc 57:923-30. 2003 - Interobserver agreement among endosonographers for the diagnosis of neoplastic versus non-neoplastic pancreatic cystic lesionsNuzhat A Ahmad
Gastroenterology Division, Department of Medicine, Hospital of University of Pennsylvania, Philadelphia VAMC, University of Pennsylvania School of Medicine, 19104-4283, USA
Gastrointest Endosc 58:59-64. 2003..CONCLUSIONS: There is little more than chance interobserver agreement among experienced endosonographers for diagnosis of neoplastic versus non-neoplastic, specific type, and EUS features of pancreatic cystic lesions... - Initial evaluation of the efficacy and safety of endoscopic ultrasound-guided direct Ganglia neurolysis and blockMichael J Levy
Division of Gastroenterology and Hepatology, Mayo Clinic College of Medicine, Rochester, Minnesota, USA
Am J Gastroenterol 103:98-103. 2008..The recent recognition that celiac ganglia can be visualized by endoscopic ultrasound (EUS) now allows direct injection into celiac ganglia for neurolysis (CGN) and block (CGB)... - Preliminary experience comparing routine cytology results with the composite results of digital image analysis and fluorescence in situ hybridization in patients undergoing EUS-guided FNAMichael J Levy
Division of Gastroenterology and Hepatology, Department of Pathology, Mayo Clinic College of Medicine, Rochester, Minnesota 55905, USA
Gastrointest Endosc 66:483-90. 2007..These tumor markers have not been applied to EUS-guided FNA... - Prospective study of bacteremia and complications With EUS FNA of rectal and perirectal lesionsMichael J Levy
Division of Gastroenterology and Hepatology, Mayo Clinic Foundation, Rochester, Minnesota 55905, USA
Clin Gastroenterol Hepatol 5:684-9. 2007..As a result, antibiotics are not recommended for prophylaxis against endocarditis. Our aim was to prospectively evaluate the risk of bacteremia and other infectious complications in patients undergoing EUS FNA of lower GI tract lesions... - Preoperative diagnosis of extrapancreatic neural invasion in pancreatic cancerMichael J Levy
Developmental Endoscopy Unit, Division of Gastroenterology and Hepatology, Department of Laboratory Medicine and Pathology, Mayo Clinic, Rochester, Minnesota 55905, USA
Clin Gastroenterol Hepatol 4:1479-82. 2006..We report the preoperative diagnosis of cancer infiltration into celiac ganglia. We hypothesized that microscopic pancreatic cancer metastasis to neural ganglia can be detected by EUS-guided biopsy examination... - Frequently asked coding questionsLeslie Narramore
MARC Associates, 1101 17th Street, NW, Suite 1102, Washington, DC 20036, USA
Gastrointest Endosc Clin N Am 16:789-99. 2006..Answers to the questions are accurate as of the date of publication but may be subject to change... - Endoscopic ultrasound-guided pain control for intra-abdominal cancerMichael J Levy
Developmental Endoscopy Unit, Division of Gastroenterology and Hepatology, Mayo Clinic, 200 First Street SW, Rochester, MN 55905, USA
Gastroenterol Clin North Am 35:153-65, x. 2006.... - Routine vs. selective EUS-guided FNA approach for preoperative nodal staging of esophageal carcinomaEnrique Vazquez-Sequeiros
ivision of Gastroenterology and Hepatology, Pathology Department, Mayo Clinic Rochester, Rochester, Minnesota, USA
Gastrointest Endosc 63:204-11. 2006..A selective EUS-FNA approach reduced the cost by avoiding EUS-FNA in 42% of patients with esophageal carcinoma. These results require confirmation in future studies... - Comparison of positron emission tomography, computed tomography, and endoscopic ultrasound in the initial staging of patients with esophageal cancerVal J Lowe
Department of Radiology, Mayo Clinic Rochester, 200 First Street SW, Rochester, MN 55905, USA
Mol Imaging Biol 7:422-30. 2005..Improvement in esophageal cancer staging is needed. Positron emission tomography (PET), computed tomography (CT), and endoscopic ultrasound (EUS) in the staging of esophageal carcinoma were compared... - Endoscopic ultrasound-guided trucut biopsy of the cyst wall for diagnosing cystic pancreatic tumorsMichael J Levy
Division of Gastroenterology and Hepatology, Mayo Clinic School of Medicine, Rochester, Minnesota 55905, USA
Clin Gastroenterol Hepatol 3:974-9. 2005..The aim of this study was to determine whether the tissue obtained by endoscopic ultrasound-guided trucut biopsy (EUS TCB) is sufficient for histologic diagnosis of cystic pancreatic tumors (CPTs)... - Prospective study of a Trucut needle for performing EUS-guided biopsy with EUS-guided FNA rescueAngels Gines
Developmental Endoscopy Unit, Division of Gastroenterology and Hepatology, Mayo Clinic, Rochester, Minnesota 55905, USA
Gastrointest Endosc 62:597-601. 2005..The use of a Trucut needle to perform EUS-guided biopsy (EUS-TCB) may improve the results or simplify the procedure. To date, few studies have prospectively assessed the performance and the safety of EUS-TCB... - EUS-guided Trucut biopsyMichael J Levy
Developmental Endoscopy Unit, Division of Gastroenterology and Hepatology, Mayo College of Medicine, Rochester, MN 55905, USA
Gastrointest Endosc 62:417-26. 2005 - Prospective risk assessment of bacteremia and other infectious complications in patients undergoing EUS-guided FNAMichael J Levy
Division of Gastroenterology and Hepatology, Mayo Clinic Foundation, Rochester, Minnesota 55905, USA
Gastrointest Endosc 57:672-8. 2003.... - Endoscopic ultrasound techniques for pancreatic cystic neoplasmsDavid A Schwartz
Division of Gastroenterology and Hepatology, Eisenberg 8A-GI Mayo Clinic, 200 First Street, Rochester, MN 55905, USA
Gastrointest Endosc Clin N Am 12:709-18. 2002..Improvements in EUS equipment will further secure the role of this technology when evaluating these patients... - A cost analysis of endoscopic ultrasound in the evaluation of esophageal cancerGavin C Harewood
Division of Gastroenterology and Hepatology, Mayo Clinic, Rochester, Minnesota 55905, USA
Am J Gastroenterol 97:452-8. 2002..Under certain circumstances, surgery is the preferred strategy... - Usefulness of EUS-guided fine needle aspiration (EUS-FNA) in the diagnosis of functioning neuroendocrine tumorsAngels Gines
Developmental Endoscopy Unit, Division of Gastroenterology, Mayo Clinic, Rochester, Minnesota 55905, USA
Gastrointest Endosc 56:291-6. 2002..Localization of neuroendocrine tumors may be challenging. The role of EUS-FNA in this setting is unknown... - Initial experience with EUS-guided trucut needle biopsies of perigastric organsMaurits J Wiersema
Developmental Endoscopy Unit, Division of Gastroenterology and Hepatology, Mayo Clinic, Rochester, Minnesota 55905, USA
Gastrointest Endosc 56:275-8. 2002..Further study of the utility and safety of this needle in humans is warranted... - Cost-minimization analysis of alternative diagnostic approaches in a modeled patient with non-small cell lung cancer and subcarinal lymphadenopathyGavin C Harewood
Division of Gastroenterology and Hepatology and Internal Medicine, Mayo Clinic, Rochester, Minn 55905, USA
Mayo Clin Proc 77:155-64. 2002..Use of EUS FNA biopsy minimizes the cost of diagnostic evaluation in most cases... - A prospective, blinded assessment of the impact of preoperative staging on the management of rectal cancerGavin C Harewood
Division of Gastroenterology and Hepatology, Mayo Clinic, Rochester, Minnesota 55905, USA
Gastroenterology 123:24-32. 2002..EUS is more accurate than CT for determining T stage of rectal carcinoma... - Endosonography-guided fine needle aspiration biopsy in the evaluation of pancreatic massesGavin C Harewood
Division of Gastroenterology and Hepatology, Mayo Clinic, Rochester, Minnesota 55905, USA
Am J Gastroenterol 97:1386-91. 2002..Complications were mild and infrequent (0.5%). CONCLUSION: EUS FNA of pancreatic masses safely and accurately diagnoses pancreatic malignancy when prior biopsy techniques have been unsuccessful... - EUS for rectal diseaseDavid A Schwartz
Division of Gastroenterology and Hepatology, Vanderbilt University, Nashville, Tennessee, USA
Gastrointest Endosc 56:100-9. 2002 - Cost-effectiveness of endoscopic ultrasonography in the evaluation of proximal rectal cancerGavin C Harewood
Department of Gastroenterology and Hepatology, Mayo Clinic, Rochester, Minnesota 55905, USA
Am J Gastroenterol 97:874-82. 2002..Staging strategies incorporating EUS improve treatment allocation by achieving more accurate T staging, thereby optimizing the benefit of preoperative XRT to more advanced tumors... - Endoscopic ultrasonographyMaurits J Wiersema
Division of Gastroenterology and Hepatology, Mayo Clinic, Rochester, MN, USA
J Gastrointest Surg 6:129-32. 2002 - Influence of EUS training and pathology interpretation on accuracy of EUS-guided fine needle aspiration of pancreatic massesGavin C Harewood
Department of Gastroenterology and Hepatology, Mayo Clinic, Rochester, Minnesota 55905, USA
Gastrointest Endosc 55:669-73. 2002..EUS-FNA errors during the initial learning phase are primarily due to inadequate specimens. Interpretation of pancreatic EUS-FNA specimens remained consistent before and after training... - Evaluation of the pancreaticobiliary ductal systems by intraductal USMichael J Levy
Mayo Clinic Foundation, Division of Gastroenterology and Hepatology, 200 First Street SW, Rochester, MN 55905, USA
Gastrointest Endosc 55:397-408. 2002 - Endoscopic ultrasound in the diagnosis and staging of pancreatic cancerMichael J Levy
Division of Gastroenterology and Hepatology, The Mayo Clinic Rochester, Minnesota 55905, USA
Oncology (Williston Park) 16:29-38, 43; discussion 44, 47-9, 53-6. 2002..In this article, we review the role of endoscopy for the diagnosis and staging of pancreatic tumors, with a particular focus on endoscopic ultrasound... - Evaluation of indeterminate bile duct strictures by intraductal USEnrique Vazquez-Sequeiros
Developmental Endoscopy Unit Division of Gastroenterology and Hepatology, Mayo Clinic, Rochester, Minnesota 55905, USA
Gastrointest Endosc 56:372-9. 2002..04 vs. ERCP/tissue sampling) of cases. No complication of intraductal US or ERCP was recorded. CONCLUSIONS: Intraductal US is safe and can improve on the ability at ERCP to distinguish benign from malignant biliary strictures... - The utility of EUS-guided FNA in the diagnosis of metastatic breast cancer to the esophagus and the mediastinumJason M Sobel
Department of Internal Medicine, St. Joseph Mercy Hospital, Ann Arbor, MI 48106, USA
Gastrointest Endosc 61:416-20. 2005..EUS-FNA may be useful as a first-line method of evaluation when breast cancer metastasis to the esophagus and the mediastinum is suspected... - The rate of false-positive results with EUS-guided fine-needle aspirationDavid A Schwartz
Division of Gastroenterology and Hepatology and Department of Pathology, Mayo Clinic, Rochester, Minnesota 55905, USA
Gastrointest Endosc 56:868-72. 2002..CONCLUSION: The overall rate of false-positive diagnosis for EUS-guided fine-needle aspiration is similar to that reported for other modalities. Most false-positive diagnoses are caused by interpretation errors... - Utility of EUS in the evaluation of cystic pancreatic lesionsRobert Sedlack
Developmental Endoscopy Unit, Division of Gastroenterology and Hepatology, Mayo Clinic and Foundation, Rochester, Minnesota 55905, USA
Gastrointest Endosc 56:543-7. 2002..EUS-FNA to obtain specimens for cytopathologic analysis and determination of carcinoembryonic antigen levels, although safe, does not enhance diagnostic yield... - Peroral pancreatoscopy and intraductal ultrasound for diagnosis of intraductal papillary mucinous tumors of the pancreasEnrique Vazquez-Sequeiros
Gastroenterology and Heaptology Division, , Madrid, Spain
Am J Gastroenterol 97:2915-7. 2002 - Radiotherapy for rectal cancerGavin C Harewood
N Engl J Med 346:137-8. 2002 - High-frequency US catheter-based staging of early esophageal tumorsEnrique Vazquez-Sequeiros
Developmental Endoscopy Unit, Division of Gastroenterology and Hepatology, Mayo Clinic, Rochester, Minnesota 55905, USA
Gastrointest Endosc 55:95-9. 2002..Preliminary results suggest this technique is accurate and safe... - Study of recurrence after surgical resection of intraductal papillary mucinous neoplasm of the pancreasSuresh T Chari
Division of Gastroenterology and Hepatology, Mayo Clinic, Rochester, Minnesota 55905, USA
Gastroenterology 123:1500-7. 2002.... - Utility of endoscopic ultrasound in the diagnosis of aberrant right subclavian arteryTony E Yusuf
Division of Gastroenterology and Hepatology, Mayo Clinic, Rochester, Minnesota 55905, USA
J Gastroenterol Hepatol 22:1717-21. 2007..The aim of this study was to determine the prevalence of ARSA in patients undergoing upper endoscopic ultrasound (EUS) and to describe the EUS characteristics of ARSA... - Preliminary experience with an EUS-guided trucut biopsy needle compared with EUS-guided FNAMichael J Levy
Developmental Endoscopy Unit, Division of Gastroenterology, Mayo Clinic, Rochester, Minnesota, USA
Gastrointest Endosc 57:101-6. 2003..This may reduce costs by shortening the procedure, diminishing the need for an onsite cytopathologist or technician, and lowering the frequency of nondiagnostic procedures. Prospective studies are needed to verify these findings... - Current procedural terminology, Resource-based Relative Value Scale, and the Center for Medicare and Medicaid Services: overviewMaurits J Wiersema
Indiana Medical Associates, 7900 West Jefferson Boulevard, Fort Wayne, IN 46804, USA
Gastrointest Endosc Clin N Am 16:775-87. 2006..This article provides an overview of the processes in place that permit regular updates in physician payment continually to be updated... - The role of endoscopic ultrasound in hepatobiliary diseaseDavid A Schwartz
Division of Gastroenterology and Hepatology, Mayo Clinic, 200 First Street SW, Rochester, MN 55905, USA
Curr Gastroenterol Rep 4:72-8. 2002.... - Diagnosing chronic pancreatitis: the enemy of "good" is "better"Shailesh Bajaj
Gastrointest Endosc 65:815-8. 2007 - A simple phantom for learning EUS-guided FNADarius Sorbi
Mayo Clinic Scottsdale, Scottsdale, Arizona 85259, USA
Gastrointest Endosc 57:580-3. 2003..Further studies are needed to determine how it affects the skills of gastroenterologists with and without EUS experience... - EUS-guided trucut biopsy in establishing autoimmune pancreatitis as the cause of obstructive jaundiceMichael J Levy
Division of Gastroenterology and Hepatology, Mayo Clinic, 200 First Street SW, Rochester, MN 55905, USA
Gastrointest Endosc 61:467-72. 2005..Doing so helps guide management and may help to avoid unnecessary surgery. Prospective studies are needed to verify these findings and to more clearly define the role of EUS TCB in these patients... - Utility of Web-based assessment of patient satisfaction with endoscopyGavin C Harewood
Division of Gastroenterology and Hepatology, Mayo Clinic, Rochester, Minnesota 55905, USA
Am J Gastroenterol 98:1016-21. 2003..Future Web-based strategies for surveying patients will need to be more user-friendly while maintaining the intent of the recent Health Insurance Portability and Accountability Act regulations... - [Role of ultrasound-guided endoscopy in the evaluation of mediastinal lesions]Enrique Vazquez-Sequeiros
Sección de Endoscopia Digestiva ecoendoscopia Servicio de Gastroenterología Hospital Ramón y Cajal Madrid España
Med Clin (Barc) 121:231-7. 2003..Finally, recent studies also suggest that EUS FNA is the most cost-effective non-surgical technique for the study of the mediastinum... - Re: Johnson et al. endoscopic, deep mural implantation of enteryx for the treatment of GERD: 6-month follow-up of a multicenter trialMaurits J Wiersema
Am J Gastroenterol 98:1892; author reply 1893-4. 2003 - Difficulties encountered when using ERCP-based tissue sampling techniques to establish a diagnosisMaurits J Wiersema
Gastrointest Endosc 56:463-4; author reply 464-5. 2002 - Use of a phased vector array US catheter for EUSDany K Shamoun
Developmental Endoscopy Unit, Division of Gastroenterology and Hepatology, Mayo Clinic, Rochester, Minnesota 55905, USA
Gastrointest Endosc 56:430-5. 2002..Further studies are needed to determine the accuracy of tumor staging and clinical utility of this device... - Cost analysis of endoscopic antireflux procedures: endoluminal plication vs. radiofrequency coagulation vs. treatment with a proton pump inhibitorMaurits J Wiersema
Gastrointest Endosc 59:749-50; author reply 750. 2004 - Safety and outcome of endoscopic snare excision of the major duodenal papillaIan D Norton
Developmental Endoscopy Unit, Division of Gastroenterology and Hepatology, Mayo Clinic, Rochester, Minnesota 55902, USA
Gastrointest Endosc 56:239-43. 2002..CONCLUSIONS: Snare excision of the major duodenal papilla was well tolerated. Most complications were mild except for a small duodenal perforation. Stenosis of the pancreatic duct orifice with pancreatitis may be a late complication... - Age-related changes in the pancreas identified by EUS: a prospective evaluationElizabeth Rajan
Division of Gastroenterology and Hepatology, Charlton 8-A, Mayo Clinic and Foundation, 200 First Street SW, Rochester, MN 55905, USA
Gastrointest Endosc 61:401-6. 2005..Ductal or parenchymal calculi, ductal narrowing, ductal dilatation, or more than 3 abnormalities appear to be more specific features for the EUS diagnosis of chronic pancreatitis at any age... 
Prospective evaluation of advanced molecular markers and imaging techniques in patients with indeterminate bile duct stricturesMichael J Levy
Division of Gastroenterology and Hepatology, Mayo Clinic Foundation, Rochester, Minnesota, USA
Am J Gastroenterol 103:1263-73. 2008..Our aim was to prospectively evaluate the accuracy of these techniques in patients with indeterminate biliary strictures...