M J Wiersema

Summary

Affiliation: Mayo Clinic
Country: USA

Publications

  1. ncbi Endoscopic ultrasound for luminal malignancies
    Raghuram 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
  2. ncbi Evaluation of mediastinal lymphadenopathy with endoscopic US-guided fine-needle aspiration biopsy
    M J Wiersema
    Division of Gastroenterology and Hepatology, Mayo Clinic, 200 First St SW, Eisenberg 8A, Rochester, MN 55905, USA
    Radiology 219:252-7. 2001
  3. ncbi Identifying contraindications to resection in patients with pancreatic carcinoma: the role of endoscopic ultrasound
    Maurits J Wiersema
    Eisenberg 8A, Mayo Clinic, 200 First Street SW, Rochester, MN 55905, USA
    Can J Gastroenterol 16:109-14. 2002
  4. ncbi Accuracy of endoscopic ultrasound in diagnosing and staging pancreatic carcinoma
    M J Wiersema
    Division of Gastroenterology and Hepatology, Mayo Clinic, Rochester, Minn, USA
    Pancreatology 1:625-32. 2001
  5. ncbi Endoscopic ultrasound for rectal cancer
    Maurits 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
  6. ncbi Impact of EUS-guided fine-needle aspiration on lymph node staging in patients with esophageal carcinoma
    E 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
  7. ncbi EUS-guided fine-needle aspiration combined with flow cytometry and immunocytochemistry in the diagnosis of lymphoma
    A 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
  8. ncbi Initial experience with a steerable, phased vector array ultrasound catheter in the GI tract
    I D Norton
    Divisions of Gastroenterology and Cardiology, Mayo Clinic and Foundation, Rochester, MN 55905, USA
    Gastrointest Endosc 53:496-9. 2001
  9. ncbi Utility of endoscopic ultrasonography in endoscopic drainage of pancreatic pseudocysts in selected patients
    I D Norton
    Division of Gastroenterology and Hepatology and Internal Medicine, Mayo Clinic, Rochester, Minn 55905, USA
    Mayo Clin Proc 76:794-8. 2001
  10. ncbi Chronic pancreatitis: focal pancreatitis or cancer? Is there a role for FNA/biopsy? Autoimmune pancreatitis
    M J Levy
    Division of Gastroenterology and Hepatology, Mayo Clinic, 200 First Street SW, Rochester, MN 55905, USA
    Endoscopy 38:S30-5. 2006

Collaborators

Detail Information

Publications75

  1. ncbi Endoscopic ultrasound for luminal malignancies
    Raghuram 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...
  2. ncbi Evaluation of mediastinal lymphadenopathy with endoscopic US-guided fine-needle aspiration biopsy
    M 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...
  3. ncbi Identifying contraindications to resection in patients with pancreatic carcinoma: the role of endoscopic ultrasound
    Maurits 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...
  4. ncbi Accuracy of endoscopic ultrasound in diagnosing and staging pancreatic carcinoma
    M 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...
  5. ncbi Endoscopic ultrasound for rectal cancer
    Maurits 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...
  6. ncbi Impact of EUS-guided fine-needle aspiration on lymph node staging in patients with esophageal carcinoma
    E 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...
  7. ncbi EUS-guided fine-needle aspiration combined with flow cytometry and immunocytochemistry in the diagnosis of lymphoma
    A 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...
  8. ncbi Initial experience with a steerable, phased vector array ultrasound catheter in the GI tract
    I 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...
  9. ncbi Utility of endoscopic ultrasonography in endoscopic drainage of pancreatic pseudocysts in selected patients
    I 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...
  10. ncbi Chronic pancreatitis: focal pancreatitis or cancer? Is there a role for FNA/biopsy? Autoimmune pancreatitis
    M J Levy
    Division of Gastroenterology and Hepatology, Mayo Clinic, 200 First Street SW, Rochester, MN 55905, USA
    Endoscopy 38:S30-5. 2006
  11. ncbi A cost analysis of endoscopic ultrasound in the evaluation of pancreatic head adenocarcinoma
    G 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...
  12. ncbi A prospective study of EUS-guided celiac plexus neurolysis for pancreatic cancer pain
    N 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...
  13. ncbi Prospective comparison of endoscopy patient satisfaction surveys: e-mail versus standard mail versus telephone
    G 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...
  14. ncbi [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
  15. ncbi Endoscopic removal of a biliary Wallstent with a suture-cutting device in a patient with primary pancreatic lymphoma
    M 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...
  16. ncbi A comparison of endoscopic ultrasound, magnetic resonance imaging, and exam under anesthesia for evaluation of Crohn's perianal fistulas
    D 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...
  17. ncbi Acute pancreatitis after EUS-guided FNA of solid pancreatic masses: a pooled analysis from EUS centers in the United States
    Mohamad 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 aim of this study was to determine the frequency and the severity of pancreatitis after EUS-guided FNA of solid pancreatic masses. A survey of centers that offer training in EUS in the United States was conducted...
  18. ncbi Pancreatic neoplasms
    Michael 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...
  19. ncbi EUS features of recurrent transitional cell bladder cancer metastatic to the GI tract
    Tony E Yusuf
    Gastrointest Endosc 61:314-6. 2005
    ....
  20. ncbi EUS FNA staging of esophageal cancer
    Enrique Vazquez-Sequeiros
    Gastroenterology 126:1499-500. 2004
  21. ncbi Impact of lymph node staging on therapy of esophageal carcinoma
    Enrique Vazquez-Sequeiros
    Division of Gastroenterology and Hepatology, Mayo Clinic, Rochester, Minnesota, USA
    Gastroenterology 125:1626-35. 2003
    ..The aims of this study were to compare the performance characteristics of CT, EUS, and EUS FNA for preoperative nodal staging of esophageal carcinoma and to measure the impact of each staging test on treatment decisions...
  22. ncbi EUS-guided trucut biopsy for diagnosis of an esophageal stromal tumor: case report
    Dhiraj Yadav
    Developmental Endoscopy Unit, Division of Gastroenterology and Hepatology, Mayo Clinic, Rochester, Minnesota 55905, USA
    Gastrointest Endosc 58:457-60. 2003
  23. ncbi Pancreatic malignancy: value of arterial, pancreatic, and hepatic phase imaging with multi-detector row CT
    Joel 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...
  24. ncbi Evaluation of a new curved linear array echoendoscopy system for EUS
    Dany K Shamoun
    Division of Gastroenterology and Hepatology, University of Iowa Hospitals and Clinics, Iowa City 52242, USA
    Gastrointest Endosc 57:937-42. 2003
    ..EUS-FNA can be used to accurately diagnose and stage GI and pulmonary neoplasms. This study evaluated the performance characteristics of a new compact linear EUS system during EUS-FNA...
  25. ncbi EUS-guided celiac plexus neurolysis and celiac plexus block
    Michael J Levy
    Developmental Endoscopy Unit, Division of Gastroenterology and Hepatology, Mayo Clinic, Rochester, Minnesota 55905, USA
    Gastrointest Endosc 57:923-30. 2003
  26. ncbi Interobserver agreement among endosonographers for the diagnosis of neoplastic versus non-neoplastic pancreatic cystic lesions
    Nuzhat 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
    ..The aim of this study was to evaluate the degree of agreement among endosonographers for EUS diagnosis of neoplastic versus non-neoplastic pancreatic cystic lesions and the specific type of cystic lesion...
  27. ncbi Initial evaluation of the efficacy and safety of endoscopic ultrasound-guided direct Ganglia neurolysis and block
    Michael 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)...
  28. ncbi Preliminary experience comparing routine cytology results with the composite results of digital image analysis and fluorescence in situ hybridization in patients undergoing EUS-guided FNA
    Michael 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...
  29. ncbi Prospective study of bacteremia and complications With EUS FNA of rectal and perirectal lesions
    Michael 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...
  30. ncbi Preoperative diagnosis of extrapancreatic neural invasion in pancreatic cancer
    Michael 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...
  31. ncbi Frequently asked coding questions
    Leslie 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...
  32. ncbi Endoscopic ultrasound-guided pain control for intra-abdominal cancer
    Michael 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
    ....
  33. ncbi Routine vs. selective EUS-guided FNA approach for preoperative nodal staging of esophageal carcinoma
    Enrique Vazquez-Sequeiros
    ivision of Gastroenterology and Hepatology, Pathology Department, Mayo Clinic Rochester, Rochester, Minnesota, USA
    Gastrointest Endosc 63:204-11. 2006
    ..EUS-guided FNA (EUS-FNA) is the most accurate method for lymph-node staging of esophageal carcinoma; however, it may not be necessary when EUS features are present that strongly suggest a benign or a malignant origin...
  34. ncbi Comparison of positron emission tomography, computed tomography, and endoscopic ultrasound in the initial staging of patients with esophageal cancer
    Val 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...
  35. ncbi Endoscopic ultrasound-guided trucut biopsy of the cyst wall for diagnosing cystic pancreatic tumors
    Michael 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)...
  36. ncbi Prospective study of a Trucut needle for performing EUS-guided biopsy with EUS-guided FNA rescue
    Angels 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...
  37. ncbi EUS-guided Trucut biopsy
    Michael J Levy
    Developmental Endoscopy Unit, Division of Gastroenterology and Hepatology, Mayo College of Medicine, Rochester, MN 55905, USA
    Gastrointest Endosc 62:417-26. 2005
  38. ncbi Prospective risk assessment of bacteremia and other infectious complications in patients undergoing EUS-guided FNA
    Michael J Levy
    Division of Gastroenterology and Hepatology, Mayo Clinic Foundation, Rochester, Minnesota 55905, USA
    Gastrointest Endosc 57:672-8. 2003
    ..There are few data regarding the risk of bacteremia with EUS-guided FNA. This study prospectively evaluated the frequency of bacteremia and other infectious complications after EUS-guided FNA...
  39. ncbi Endoscopic ultrasound techniques for pancreatic cystic neoplasms
    David 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...
  40. ncbi A cost analysis of endoscopic ultrasound in the evaluation of esophageal cancer
    Gavin C Harewood
    Division of Gastroenterology and Hepatology, Mayo Clinic, Rochester, Minnesota 55905, USA
    Am J Gastroenterol 97:452-8. 2002
    ..We applied a decision analysis model to compare the costs of EUS FNA, CT-guided FNA, and surgery in the management of esophageal tumors. A cost-minimization approach was employed, as viewed from the perspective of the payer...
  41. ncbi Usefulness of EUS-guided fine needle aspiration (EUS-FNA) in the diagnosis of functioning neuroendocrine tumors
    Angels 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...
  42. ncbi Initial experience with EUS-guided trucut needle biopsies of perigastric organs
    Maurits J Wiersema
    Developmental Endoscopy Unit, Division of Gastroenterology and Hepatology, Mayo Clinic, Rochester, Minnesota 55905, USA
    Gastrointest Endosc 56:275-8. 2002
    ..The aims of this study were to determine the feasibility, safety, and yield of a 19-gauge EUS-guided-trucut needle for obtaining biopsy specimens of perigastric organs...
  43. ncbi Cost-minimization analysis of alternative diagnostic approaches in a modeled patient with non-small cell lung cancer and subcarinal lymphadenopathy
    Gavin C Harewood
    Division of Gastroenterology and Hepatology and Internal Medicine, Mayo Clinic, Rochester, Minn 55905, USA
    Mayo Clin Proc 77:155-64. 2002
    ..To evaluate the costs of alternative diagnostic evaluations of enlarged subcarinal lymph nodes (SLNs) in modeled patients with non-small cell lung cancer (NSCLC)...
  44. ncbi A prospective, blinded assessment of the impact of preoperative staging on the management of rectal cancer
    Gavin C Harewood
    Division of Gastroenterology and Hepatology, Mayo Clinic, Rochester, Minnesota 55905, USA
    Gastroenterology 123:24-32. 2002
    ....
  45. ncbi Endosonography-guided fine needle aspiration biopsy in the evaluation of pancreatic masses
    Gavin C Harewood
    Division of Gastroenterology and Hepatology, Mayo Clinic, Rochester, Minnesota 55905, USA
    Am J Gastroenterol 97:1386-91. 2002
    ..This study aimed to determine the performance of endoscopic ultrasound-guided fine needle aspiration biopsy (EUS FNA) in pancreatic malignancy when prior biopsies performed by CT guidance or ERCP were negative...
  46. ncbi EUS for rectal disease
    David A Schwartz
    Division of Gastroenterology and Hepatology, Vanderbilt University, Nashville, Tennessee, USA
    Gastrointest Endosc 56:100-9. 2002
  47. ncbi Cost-effectiveness of endoscopic ultrasonography in the evaluation of proximal rectal cancer
    Gavin C Harewood
    Department of Gastroenterology and Hepatology, Mayo Clinic, Rochester, Minnesota 55905, USA
    Am J Gastroenterol 97:874-82. 2002
    ....
  48. ncbi Endoscopic ultrasonography
    Maurits J Wiersema
    Division of Gastroenterology and Hepatology, Mayo Clinic, Rochester, MN, USA
    J Gastrointest Surg 6:129-32. 2002
  49. ncbi Influence of EUS training and pathology interpretation on accuracy of EUS-guided fine needle aspiration of pancreatic masses
    Gavin C Harewood
    Department of Gastroenterology and Hepatology, Mayo Clinic, Rochester, Minnesota 55905, USA
    Gastrointest Endosc 55:669-73. 2002
    ....
  50. ncbi Evaluation of the pancreaticobiliary ductal systems by intraductal US
    Michael J Levy
    Mayo Clinic Foundation, Division of Gastroenterology and Hepatology, 200 First Street SW, Rochester, MN 55905, USA
    Gastrointest Endosc 55:397-408. 2002
  51. ncbi Endoscopic ultrasound in the diagnosis and staging of pancreatic cancer
    Michael 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...
  52. ncbi Evaluation of indeterminate bile duct strictures by intraductal US
    Enrique Vazquez-Sequeiros
    Developmental Endoscopy Unit Division of Gastroenterology and Hepatology, Mayo Clinic, Rochester, Minnesota 55905, USA
    Gastrointest Endosc 56:372-9. 2002
    ..The aim of this study was to determine whether intraductal US is of assistance in distinguishing benign from malignant biliary strictures...
  53. ncbi The utility of EUS-guided FNA in the diagnosis of metastatic breast cancer to the esophagus and the mediastinum
    Jason M Sobel
    Department of Internal Medicine, St Joseph Mercy Hospital, Ann Arbor, MI 48106, USA
    Gastrointest Endosc 61:416-20. 2005
    ....
  54. ncbi The rate of false-positive results with EUS-guided fine-needle aspiration
    David A Schwartz
    Division of Gastroenterology and Hepatology and Department of Pathology, Mayo Clinic, Rochester, Minnesota 55905, USA
    Gastrointest Endosc 56:868-72. 2002
    ..The aims of this study were to determine the rate of false-positive diagnosis with EUS-guided fine-needle aspiration and to identify factors contributing to this type of error...
  55. ncbi Utility of EUS in the evaluation of cystic pancreatic lesions
    Robert Sedlack
    Developmental Endoscopy Unit, Division of Gastroenterology and Hepatology, Mayo Clinic and Foundation, Rochester, Minnesota 55905, USA
    Gastrointest Endosc 56:543-7. 2002
    ..Data to support the role of EUS and EUS-guided fine-needle aspiration (EUS-FNA) are limited. This study assessed the sensitivity, specificity, and accuracy of EUS, cytopathology, and analysis of cyst fluid for pancreatic cystic lesions...
  56. ncbi Peroral pancreatoscopy and intraductal ultrasound for diagnosis of intraductal papillary mucinous tumors of the pancreas
    Enrique Vazquez-Sequeiros
    Gastroenterology and Heaptology Division, Hospital Ramon y Cajal, Madrid, Spain
    Am J Gastroenterol 97:2915-7. 2002
  57. ncbi Radiotherapy for rectal cancer
    Gavin C Harewood
    N Engl J Med 346:137-8. 2002
  58. ncbi High-frequency US catheter-based staging of early esophageal tumors
    Enrique Vazquez-Sequeiros
    Developmental Endoscopy Unit, Division of Gastroenterology and Hepatology, Mayo Clinic, Rochester, Minnesota 55905, USA
    Gastrointest Endosc 55:95-9. 2002
    ..However, it may be difficult and time consuming to obtain acoustic coupling with these devices. The aim of this study was to test a novel catheter US technique for staging superficial esophageal carcinoma...
  59. ncbi Study of recurrence after surgical resection of intraductal papillary mucinous neoplasm of the pancreas
    Suresh T Chari
    Division of Gastroenterology and Hepatology, Mayo Clinic, Rochester, Minnesota 55905, USA
    Gastroenterology 123:1500-7. 2002
    ....
  60. ncbi Utility of endoscopic ultrasound in the diagnosis of aberrant right subclavian artery
    Tony 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...
  61. ncbi Preliminary experience with an EUS-guided trucut biopsy needle compared with EUS-guided FNA
    Michael J Levy
    Developmental Endoscopy Unit, Division of Gastroenterology, Mayo Clinic, Rochester, Minnesota, USA
    Gastrointest Endosc 57:101-6. 2003
    ..The aim of this study was to determine the feasibility of using the EUS-TCB for the diagnosis of intraintestinal and extraintestinal lesions and compare the results with this needle with those of EUS-FNA...
  62. ncbi Current procedural terminology, Resource-based Relative Value Scale, and the Center for Medicare and Medicaid Services: overview
    Maurits 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...
  63. ncbi The role of endoscopic ultrasound in hepatobiliary disease
    David A Schwartz
    Division of Gastroenterology and Hepatology, Mayo Clinic, 200 First Street SW, Rochester, MN 55905, USA
    Curr Gastroenterol Rep 4:72-8. 2002
    ....
  64. ncbi Diagnosing chronic pancreatitis: the enemy of "good" is "better"
    Shailesh Bajaj
    Gastrointest Endosc 65:815-8. 2007
  65. ncbi A simple phantom for learning EUS-guided FNA
    Darius Sorbi
    Mayo Clinic Scottsdale, Scottsdale, Arizona 85259, USA
    Gastrointest Endosc 57:580-3. 2003
    ..Development of a phantom to assist in teaching the technique may be beneficial. This study assessed the feasibility of using a low-cost phantom made of commonly available materials to practice EUS-FNA...
  66. ncbi EUS-guided trucut biopsy in establishing autoimmune pancreatitis as the cause of obstructive jaundice
    Michael J Levy
    Division of Gastroenterology and Hepatology, Mayo Clinic, 200 First Street SW, Rochester, MN 55905, USA
    Gastrointest Endosc 61:467-72. 2005
    ....
  67. ncbi Utility of Web-based assessment of patient satisfaction with endoscopy
    Gavin C Harewood
    Division of Gastroenterology and Hepatology, Mayo Clinic, Rochester, Minnesota 55905, USA
    Am J Gastroenterol 98:1016-21. 2003
    ..In this study we compared standard mail, telephone, and Web-based modes of endoscopy satisfaction survey administration with respect to response rate and response content...
  68. ncbi [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...
  69. ncbi Re: Johnson et al. endoscopic, deep mural implantation of enteryx for the treatment of GERD: 6-month follow-up of a multicenter trial
    Maurits J Wiersema
    Am J Gastroenterol 98:1892; author reply 1893-4. 2003
  70. ncbi Difficulties encountered when using ERCP-based tissue sampling techniques to establish a diagnosis
    Maurits J Wiersema
    Gastrointest Endosc 56:463-4; author reply 464-5. 2002
  71. ncbi Use of a phased vector array US catheter for EUS
    Dany K Shamoun
    Developmental Endoscopy Unit, Division of Gastroenterology and Hepatology, Mayo Clinic, Rochester, Minnesota 55905, USA
    Gastrointest Endosc 56:430-5. 2002
    ..Existing EUS catheter probes have limited depth of penetration and lack color flow and Doppler capabilities. This study prospectively assessed the feasibility and safety of using a phased vector array US catheter in the human GI tract...
  72. ncbi Cost analysis of endoscopic antireflux procedures: endoluminal plication vs. radiofrequency coagulation vs. treatment with a proton pump inhibitor
    Maurits J Wiersema
    Gastrointest Endosc 59:749-50; author reply 750. 2004
  73. ncbi Safety and outcome of endoscopic snare excision of the major duodenal papilla
    Ian D Norton
    Developmental Endoscopy Unit, Division of Gastroenterology and Hepatology, Mayo Clinic, Rochester, Minnesota 55902, USA
    Gastrointest Endosc 56:239-43. 2002
    ..Options include surgical excision, endoscopic ablative techniques, snare excision, and observation with periodic biopsies. The aims of this retrospective study were to determine the safety and outcome of snare excision of the papilla...
  74. ncbi Age-related changes in the pancreas identified by EUS: a prospective evaluation
    Elizabeth 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
    ..Secondary aims were to define demographic and clinical factors associated with identifiable pancreatic parenchymal and ductular changes, and to determine the main pancreatic-duct diameter and pancreatic-gland width according to age...
  75. pmc Prospective evaluation of advanced molecular markers and imaging techniques in patients with indeterminate bile duct strictures
    Michael 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...