Esophageal pull net examination

Ingest the vinyl plastic tube with latex balloon and net, slowly inflate the filled capsule from the esophagus after inflation, and use the net smear smear for cytological examination. This is the main census in the high incidence area of ​​esophageal cancer. means. Basic Information Specialist classification: Digestive examination classification: other examinations Applicable gender: whether men and women apply fasting: fasting Analysis results: Below normal: Normal value: no Above normal: negative: No cancer cells were found. Positive: Found cancer cells. Reminder: The subject is fasting, water, smoking, and banned in the morning (for those who need to look at the location, the net should be checked after 24 hours). Normal value No cancer cells were found. Clinical significance This is the main means of census in high-risk areas of esophageal cancer. Patients with difficulty in swallowing should be classified as routine examinations to determine the diagnosis. According to the statistics, the positive rate can reach more than 90%. Positive results may be diseases: esophageal cancer, esophageal scarring stenosis 1. The subject is fasted, watered, banned from smoking in the morning, and banned from permeation (for those who need to be fluoroscopy, the net should be checked after 24 hours). 2. Check the air bag for air leaks and check the air volume before checking. 3. When swallowing the net, the examinee continuously swallows, the examiner will slowly send the net bag, and then inflate after reaching the cardia, pull up and down to take the epithelial cells, the left hand holding the needle tube to control the pressure, the right hand pull the net tube slowly move up, to 20cm away from the incisors, deflate and take out the sac directly smear, and fix it immediately. 4, before the esophagus pull net inspection, you should first understand the medical history, you must remove the active dentures of the subject before pulling the net. If the patient is coughing and suffocating when pulling the net, the net should be stopped immediately. 5. After the net is checked, the patient is given a warm water diet. 6, acute upper respiratory tract infection, it is best to recover after re-examination; recent upper gastrointestinal active bleeding, cirrhosis, esophageal varices, absolutely prohibited to pull the net; for severe heart disease and high blood pressure patients, asthma and Patients with poor lung function and those with advanced tumors who are at risk of perforation are generally not screened. Inspection process The subject takes the seat, the examiner stands on the right side, and the net bag is moistened with warm water; the subject is opened and the net bag is gently placed on the base of the tongue, and the subject immediately swallows vigorously, and The swallowing action will send the net bag slowly. When the mesh bag enters 45-50 cm from the incisor, the balloon has passed the cardia into the stomach; inflated (or water) into the balloon 15-20 ml, and then slowly pulled upwards, when the balloon tube is pulled to 15 cm (the net has arrived) Esophageal entrance), the air in the net is exhausted and quickly removed. 3 to 5 smears were placed and placed in 95% alcohol for 15 minutes for staining cytology. Not suitable for the crowd 1. Patients with esophageal varices caused by cirrhosis. 2. Those with upper gastrointestinal active bleeding. 3. There are severe heart and lung dysfunction. 4. Advanced cancer has a risk of perforation or positive radiotherapy. 5. Recently performed esophageal surgery or esophageal trauma. Adverse reactions and risks May damage the esophagus.