Proctoscopy

The colonoscopy is performed by using a fiber tube that is about 140 cm long and has a light source with a miniature electronic camera. The anus slowly enters the large intestine to check the lesions of the large intestine, tumors or ulcers, and tissue is needed if necessary. Examine or remove colorectal polyps. Patients with bleeding tendency or coagulopathy are not suitable for this test. Do not eat food in the day before the inspection, only eat liquid. Basic Information Specialist classification: Digestive examination classification: endoscope Applicable gender: whether men and women apply fasting: fasting Tips: Do not eat food in one day, only eat liquid. Normal value The rectum and sigmoid colon are the end of the digestive tract and are also a predilection for polyps, ulcers, and malignant tumors. Rectal adenoma polyps are precancerous lesions, familial polyposis is also often cancerous, and even multiple cancers, cancer rate can be as high as 15% to 60%, ulcerative colitis is also a common cause of cancer. Malignant tumors occur at the junction of the rectum and sigmoid colon, accounting for 15% of systemic malignancies, accounting for 75% of intestinal cancer, and about half of the rectum. Patients with malignant tumors in the rectum and sigmoid colon often have changes in bowel habits and blood in the stool. They are often misdiagnosed as dysentery and hemorrhoids, which have serious consequences for patients. Clinical significance Abnormal results: There are rectal and colonic malignancies or clinical symptoms of rectosigmoid irritation. The people who need to be examined have a mucus bloody stool of unknown cause for a long time. Blood is often found in the stool. The left lower abdomen has a feeling of bulging, bloating, urgency and weight, anal and rectal pain. Precautions Taboo before the test: do not eat food in one day, only eat liquid. Requirements for examination: left lateral position, knee flexion. Inspection process 1, you must be in the left lateral position, knee flexion. 2, the doctor slowly put the colonoscopy into the anus, sequentially observe the intestinal cavity with or without lesions, you may feel the abdominal swelling and have a sense of convenience, then you should take a deep breath to relax yourself. 3. The entire inspection process takes about 20 to 30 minutes. Not suitable for the crowd Inappropriate population: Patients with bleeding tendency or coagulopathy. Adverse reactions and risks Nothing.