With access to 900+ MedStar Georgetown University Hospital physicians, our nurse counselors can schedule your appointment or referral, and provide you with insightful information about our expert physicians.
Call us today at 202-342-2400 or toll free at 866-745-2633 Monday–Friday from 8 a.m.–8 p.m.
Please click here for more information.
A sample of colon tissue is obtained during a colonoscopy procedure using special instruments. The specimen is sent to the laboratory and fixed with special stains. The specimen is examined under the microscope for abnormal findings, such as cancer or inflammation..
George F. Longstreth, MD, Department of Gastroenterology, Kaiser Permanente Medical Care Program, San Diego, California. Also reviewed by A.D.A.M. Health Solutions, Ebix, Inc., Editorial Team: David Zieve, MD, MHA, David R. Eltz, and Stephanie Slon.