- Written by Los Angeles Colonoscopy
There are two main types of esophageal cancer: squamous cell cancer and adenocarcinoma of the esophagus. Squamous cell cancer occurs more commonly among African Americans as well as smokers and excessive drinker of alcohol. This type of cancer has been decreasing in frequency.
The adenocarcinoma of the esophagus, is more common in Caucasians, especially those with gastroesophageal reflux disease (GERD). This cancer has been rapidly increasing in frequency.
GERD which is a common condition associated with adenocarcinoma of the esophagus usuallly presents with heartburn, a symptoms that up to 20 percent of American adults experience at least twice a week. Although these individuals are at an increased risk of developing esophageal cancer, the vast majority of them will never develop it. But in a few patients with GERD (estimated at 10-15%), a change in the esophageal lining develops, thought to be related to chronic injury from acid refluxing into the esophagus. This condition is called Barrett’s esophagus. Most experts believe most cases of adenocarcinoma of the esophagus begin in Barrett’s tissue.
Barrett’s esophagus is twice as common in men as women. It tends to occur in middle-aged Caucasian men who have had heartburn for many years. It is yet unclear who should be screened. Even in patients with heartburn, Barrett’s esophagus is uncommon and esophageal cancer is very rare. One recommendation is to screen patients older than 50 who have had significant heartburn or required regular use of medications to control heartburn for several years. If that first screening is negative for Barrett’s tissue, there is usually no need to repeat it.
Medicines and/or surgery can effectively control the symptoms of GERD. However, neither medications nor surgery can reverse the presence of Barrett’s esophagus or eliminate the risk of cancer. There are some experimental treatments through which the Barrett’s tissue can be destroyed through the endoscope; but these treatments can cause complications, and their effectiveness in preventing cancer is not clear.
The risk of esophageal cancer in patients with Barrett’s esophagus is quite low, approximately 0.5 percent per year (or 1 out of 200). Therefore, the diagnosis of Barrett’s esophagus should not be a reason for alarm. It is, however, a reason for periodic endoscopies. If your initial biopsies don’t show dysplasia, endoscopy with biopsy should be repeated periodically. If your biopsy shows dysplasia, your doctor will make further recommendations.