Colonoscopy in the diagnosis of cancer

Colonoscopy - an outpatient procedure in which the large intestine (rectum and colon) examined from the inside with an endoscope.

Colonoscopy is performed with the appearance of symptoms such as abdominal pain, rectal bleeding, or change in bowel movement rhythm, and with a positive fecal occult blood.This method is also applicable to screening for colon cancer.

Special status

before colonoscopy the patient should inform the doctor about available special conditions:

  • pregnancy;
  • lung disease;
  • heart disease;
  • allergic to any medicines;
  • presence of diabetes or use of medications that affect blood clotting.

before colonoscopy may need antibiotics in the following cases:

  • if the patient an artificial heart valve;
  • if the patient ever prescribed antibiotics prior to dental or surgical procedures.

Preparing for a colonoscopy

before colonoscopy doctor may prescribe a special diet or limit drinking - it is solved individually.The patient may prohibit or restrict the use of solid food for a

few days before the procedure.It may also be appointed as laxatives.Along with changes in diet required bowel cleansing.Before the procedure the patient make two enemas.

Care should be taken in advance to the patient after the procedure was carried home.Within eight hours after a colonoscopy driving a car can be dangerous, because during the procedure the patient is receiving sedatives.Before the study should take antispasmodic - for relaxation of the intestinal wall.


colonoscopy takes about 30 minutes.The patient is administered a sedative.Then he lies down on the left side on the examination table.During the procedure, the physician uses a colonoscope - a long, flexible instrument about a centimeter in diameter, which transmits the image of the inner wall of the colon on the screen.The colonoscope is inserted through the rectum and gradually promoted, examining the entire large intestine.

To advance colonoscope doctor may ask the patient to turn to the other side.When using the device falls into the intestine air which separates the colon wall.This may lead to a feeling of bloating, after the procedures air aspirated using a special channel of the endoscope.

During the procedure, the patient may feel a slight cramping.They can be avoided by taking a few deep breaths.Upon completion of a thorough examination of the intestine colonoscope is carefully removed.

After colonoscopy

patient must remain under medical supervision for 30 minutes.May have light stomach cramps or bloating, which pass quickly.

should be read carefully any further recommendations of a physician.If during the procedure was performed a biopsy or remove polyps, the patient should temporarily avoid taking certain medications such as blood thinners.

In rare cases, possible complications of colonoscopy as a colon damage.The patient should immediately consult a doctor if rectal bleeding and severe abdominal pain, heat or chill.

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