Karen M Horton, MD
Professor of Radiology
Director Radiology Residency
Johns Hopkins Medical Institutions


This site is supported in part by an unrestricted educational grant from Siemens.





Welcome to virtualcolonoscopy.com.

This is an educational website to provide informational resources for physicians and technologists interested in virtual colonoscopy. This site includes lectures, teaching cases, journal club, protocols and software tips. We have also included a section, “ask the expert” where viewers can submit questions.

We hope you find this website valuable and we welcome your feedback.