Glossary
Barium enema
A type of x-ray used to screen for colon cancer and other bowel abnormalities during which barium sulfate and air are introduced into the colon to improve the x-ray images.
Biopsy
Small amount of tissue removed during colonoscopy for further examination.
Bowel prep
See colonoscopy prep.
Colon
Final 6-foot-long segment of the digestive tract that removes solid waste from the body; it is part of the large intestine.
Colon cancer
A cancer that develops in the bowel or rectum. Also known as colorectal cancer.
Colon prep
See colonoscopy prep.
Colonoscope
A long, thin, flexible instrument connected to a camera and video display monitor used to visually examine the inside of the colon.
Colonoscopy
Procedure to examine the entire colon.
Colonoscopy prep
Regimen prescribed by a physician to clean out the colon, usually used before a colonoscopy or other screening procedure. Also known as a bowel prep, colonoscopy preparation, and colon prep.
Colonoscopy preparation
See colonoscopy prep.
Colonoscopy screening
A colonoscopy performed to detect signs of colon cancer, even when there are no apparent symptoms of colon or other gastrointestinal issues.
Computed tomography (CT)
A method used by doctors to view the colon by combining a series of x-rays taken from many angles to produce a cross-sectional image.
Diagnostic colonoscopy
A colonoscopy performed if symptoms of colon cancer or gastrointestinal issues are present or if other tests yield abnormal results.
Electrolyte
Sodium ions in the bloodstream that need to be replaced during and after a colonoscopy prep.
Hydration
Drinking liquid to restore or maintain fluid balance; an essential component of a safe and effective colonoscopy prep.
Laxative
A drug used to treat constipation.
Magnetic resonance imaging (MRI)
A test doctors use to create an image of the colon by using a magnetic field and radio wave energy.
Over-the-counter (OTC) laxative
A medicine used to treat constipation. It is important to note that most over-the-counter laxatives are not FDA approved for colonoscopy prep and do not offer sufficient electrolyte balance.
Polyp
An abnormal tissue growth in the large intestine or colon. If not detected and removed, it can develop into cancer.
Rectum
The final section of the colon, where waste is stored until the next bowel movement removes it from the body.
Sigmoidoscopy
Procedure to examine the lower portion of the colon and rectum.
A colonoscopy prep regimen in which you take the first dose the day before the procedure and compete the prep on the day of the procedure.
Virtual colonoscopy
A procedure in which a doctor inspects the inside of the large intestine for abnormal growths by using magnetic resonance imaging (MRI) or computed tomography (CT).
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