Liana Tsikitis, M.D.

Head Shot of Vassiliki Tsikitis

Assistant Professor of Surgery, University of Arizona (Tuscon, AZ), 2008 – 2011

click here
503 494-4373


Vassiliki “Liana” Tsikitis, MD joined the Division of General Surgery at OHSU in September of 2011. Prior to her move to Oregon, she was appointed Assistant Professor of surgery in the Division of Surgical Oncology at the University of Arizona College of Medicine and University Physicians Healthcare in November 2008.

Dr. Tsikitis’ clinical areas of interest are the surgical treatment of colon and rectal cancer and surgical treatment of inflammatory bowel disease. Her practice also includes benign colorectal conditions that might require surgical treatment, including diverticulitis, colonic polyps not amenable to removal by colonoscopy, perianal fistulas, fissures, and hemorrhoids. Dr. Tsikitis is an expert in the complete array of open and minimally invasive procedures for all diseases of the colon, rectum, and anus. Her primary research interests are the emerging field of colon and rectal cancer genetics, and optimization of the surveillance of colon and rectal cancer patients. During her medical school, residency, fellowship, and her junior faculty years, Dr. Tsikitis won numerous awards in research, patient care, and teaching, including Outstanding Intern and Outstanding Resident awards, as well as Outstanding Role Model in Surgery.

Selected Publications

OHSU Knight Cancer Institute

Visit Our Site

For Healthcare Professionals


  Email Liana Tsikitis

503 494-4373

Memberships & Associations

Member, American Society of Clinical Oncology
Fellow, American College of Surgeons
Member, American Society of Colon and Rectal Surgeons
   Membership Committee  
   Public Relations Committee   
Member, Association for Academic Surgery
Member, Association of Women Surgeons
Member, European Society of Coloproctology
Member, Northwest Society of Colon and Rectal Surgeons
   Program Chair 
Cancer Liaison Physician, Oregon Health & Science University Hospital Commission on Cancer     
Member, Oregon Health & Science University School of Medicine Investigational Review Board
Member, Priestley Society of Mayo Clinic
Member, Society for Surgery of the Alimentary Tract
   Communications Committee 
Member, Southwest Oncology Group
   Gastrointestinal Cancer Committee 
   Translational Medicine Committee