Difficult to swallow food alert esophageal cancer

Esophageal squamous cell esophageal cancer is a malignant, progressive dysphagia for the most typical clinical symptoms. Age of onset of a high age group mainly to 60 to 64 years old group the highest incidence rate for men and women (1.3 ~ 2.7): 1. Its exact cause is unknown, but environmental and certain carcinogenic substances is an important pathogenic factors:

(1) nitrosamine compounds and fungal toxins. Our survey found a high incidence of food and drinking water, nitrate, nitrite and secondary amines was significantly increased, these substances can be synthesized in the stomach nitrosamines. Moldy food can also produce a variety of carcinogens.

(2), esophageal injury, esophageal diseases and food stimulation. Epidemiological survey found a high incidence of esophageal cancer area residents eating hot food, spirits, a large number of pepper, betel nut or tobacco chewing habits.

(3), malnutrition or micronutrient deficiencies.

(4) genetic factors.

The early symptoms of esophageal cancer are:

(1) The most common of ingested food, especially when solid food, choking feeling, self-loss and relapse, it is easily mistaken for functional symptoms.

(2), pain under the sternum and post-Xiphoid see more often occur in ingested food.

(3) Food stranded feeling and foreign body sensation.

(4) throat dry and tight feeling.

(5) Other, including nausea inflation substernal discomfort, back pain and heating and other symptoms. The late symptoms of dysphagia. Progressive dysphagia in patients with treatment when the vast majority of the main symptoms, this time, about 2 / 3 of the esophageal circumference was tumor infiltration, a few months illness gradually worsened and could not swallow solid food from the developed to not swallow of the liquid food. And may be a food reflux, regurgitation of food may contain blood and pus.

The main laboratory tests include:

(1) x-ray barium meal examination, there may be a starting point barium stagnated in the cancer. Ba Duan Xi Zhai flow lesions demonstrated esophageal wall stiffness, mucous thicker and disorders, and may have ulcers and intramural filling defect, etc. Kanying change;

(2) fiber can be directly observed esophageal endoscopy and biopsy the tumor shape;

(3) esophageal ct scan to help esophageal cancer staging.