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Chromoendoscopy

A chromoendoscopy is when your doctor uses staining to identify abnormal areas that may be malignant (cancerous).

Chromoendoscopy: Why Performed

Your gastroenterologist may choose to perform a chromoendoscopy to detect cancer in the gastrointestinal tract. Doctors often use this procedure for patients who have precancerous conditions or are at high risk for cancer because of genetic or environmental factors. For example, if you have Barrett’s esophagus or chronic ulcerative colitis, your doctor may recommend a chromoendoscopy to check for cancerous cells.

Chromoendoscopy: What to Expect

Your doctor may perform the chromoendoscopy during an upper endoscopy procedure.

During the endoscopy:

  1. Your physician stains the esophagus with a liquid called Lugol’s solution.
  2. The dye stains the normal cells; unstained areas may be malignant.
  3. The doctor can easily target the unstained areas and remove tissue for biopsy.

After the chromoendoscopy, you should rest for the remainder of the day. Your doctor will discuss the results with you. 
 

 

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