Biopsy forceps, cytology brush or culture swab. Specimen bottle with preservative. Description of test You or a close relative will be required to sign a consent form after the procedure has been explained to you. You are adequately draped to minimize embarrassment. You may be placed on your stomach on a tilting table that rotates into horizontal and vertical positions, but you are adequately secured to the table.
Instruments are well-lubricated to ease insertion into the rectum and large intestine.
They initially feel cool. You may feel the urge to defecate when instruments are inserted and advanced. Instruments may stretch the intestinal wall and cause temporary muscle spasms or lower-abdominal pain. Breathe deeply and slowly through your mouth to relax abdominal muscles. This calms the urge to defecate and eases discomfort.