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Photo of Dr. Marcia Canto

Marcia Irene Canto, MD

Director of Clinical Research, Division of Gastroenterology
Professor of Medicine
Appointment Phone


Main Location

Johns Hopkins Gastroenterology and Hepatology - Howard County

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Out-of-State & International Patients +
Out of State Patients

Call 410-464-6641 (8a.m. to 6p.m., EST, Mon-Fri)

Learn more about our out-of-state patient services »

International Patients

Call +1-410-502-7683 (7a.m. to 6p.m., EST, Mon-Fri)

Learn more about our international patient services »


  • Director of Clinical Research, Division of Gastroenterology
  • Professor of Medicine
  • Professor of Oncology

Centers & Institutes

  • Esophageal Cancer Program
  • Heartburn Center
  • Lung Cancer Program
  • Sidney Kimmel Comprehensive Cancer Center


Barrett's Esophagus, Clinical Gastroenterology, Colon Polyps, Digestive Diseases, Endoscopic Ultrasonography, Endoscopy, Esophageal Cancer, Esophageal Disease, Family History of Cancer, Gastric ulcer, Gastroenterology, Gastroesophageal Reflux Disease, Gastrointestinal Cancers, Gastrointestinal Diseases, Heartburn, Pancreatic and Biliary Disease, Pancreatic Cancer, Pancreatic Cysts, Reflux and Burning, Stomach Pain, Stomach Ulcer, Swallowing Disorders

Research Interests

Endoscopic mucosal ablation and resection; Familial pancreatic cancer; Barrett's esophagus; Endomicroscopy


  • English
  • Tagalog
  • Filipino

Clinical Trial Keywords

  • Endoscopic radiofrequency ablation
  • Endoscopic cryotherapy
  • Cancer of the Pancreas Screening
  • Confocal endomicroscopy Barrett's esophagus

Additional Resources

Additional Resources +
  • Education +


    • Johns Hopkins Bloomberg School of Public Health (Baltimore MD ) (1994)
    • University of the Philippines Manila (Manila) (1985)


    • SUNY at Brooklyn College of Medicine / Internal Medicine (Brooklyn NY ) (1990)


    • University Hospitals of Cleveland / Gastroenterology (Cleveland OH ) (1995)
    • University of California (Irvine) School of Medicine / Gastroenterology (Irvine CA ) (1995)
    • Johns Hopkins University School of Medicine / Gastroenterology (Baltimore MD ) (1993)


    • Gastroenterology, American Board of Internal Medicine (2008)
    • Internal Medicine, American Board of Internal Medicine (1989)
  • Research & Publications +

    Selected Publications

    Wang, J.S.; Guo, M.; Montgomery, E.A.; Thompson, R.E.; Cosby, H.; Hicks, L.; Wang, S.; Herman, J.G.; Canto, M.I. DNA promoter hypermethylation of p16 and APC predicts neoplastic progression in Barrett''s esophagus. Am J Gastroenterol. 2009 Sep;104(9):2153-2160.

    Brune, K.A.; Lau, B.; Palmisano, E.; Canto, M.; Goggins, M.G.; Hruban, R.H.; Klein, A.P. Importance of age of onset in pancreatic cancer kindreds. J Natl Cancer Inst. 2010 Jan 20;102(2):119-126.

    Harinck, F.; Canto, M.I.; Schulick, R.; Goggins, M.; Poley, J.W.; Fockens, P.; Kluijt, I.; Bruno, M. Surveillance in individuals at high risk of pancreatic cancer: too early to tell? Gut. 2010 Jul;59(7):1005; author reply 1006-1007.

    Hector, A.; Montgomery, E.A.; Karikari, C.; Canto, M.; Dunbar, K.B.; Wang, J.S.; Feldmann, G.; Hong, S.M.; Haffner, M.C.; Meeker, A.K.; Holland, S.J.; Yu, J.; Heckrodt, T.J.; Zhang, J.; Ding, P.; Goff, D.; Singh, R.; Roa, J.C.; Marimuthu, A.; Riggins, G.J.; Eshleman, J.R.; Nelkin, B.D.; Pandey, A.; Maitra, A. The Axl receptor tyrosine kinase is an adverse prognostic factor and a therapeutic target in esophageal adenocarcinoma. Cancer Biol Ther. 2010 Nov 29;10(10):1009-1018.

    Hruban, R.H.; Canto, M.I.; Goggins, M.; Schulick, R.; Klein, A.P. Update on familial pancreatic cancer. Adv Surg. 2010;44:293-311.

    Lennon, A.M.; Newman, N.; Makary, M.A.; Edil, B.H.; Shin, E.J.; Khashab, M.A.; Hruban, R.H.; Wolfgang, C.L.; Schulick, R.D.; Giday, S.; Canto, M.I. EUS-guided tattooing before laparoscopic distal pancreatic resection (with video). Gastrointest Endosc. 2010 Nov;72(5):1089-1094.

    Newman, N.A.; Lennon, A.M.; Edil, B.H.; Gilson, M.M.; Giday, S.A.; Canto, M.I.; Schulick, R.D.; Makary, M.A. Preoperative endoscopic tattooing of pancreatic body and tail lesions decreases operative time for laparoscopic distal pancreatectomy. Surgery. 2010 Aug;148(2):371-377.
  • Academic Affiliations & Courses +
  • Activities & Honors +
  • Videos & Media +
  • Events +
  • Contact & Locations +


    Johns Hopkins Gastroenterology and Hepatology - Howard County
    10700 Charter Drive
    Charter Medical Building
    Columbia, MD 21044
    Appointment Phone: 410-715-0350
    Location Map
    The Johns Hopkins Hospital - Main Entrance
    1800 Orleans Street
    Baltimore, MD 21287
    Appointment Phone: 410-933-7495


    • Medicine - Gastroenterology and Hepatology

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