How to diagnose rectal cancer by colonoscopy

summary

My grandfather used to be in good health. Only in recent months did he find that he had abnormal physical conditions. He often had abdominal pain, and his stool was also very abnormal. He often had constipation and pain, and he also had bloody stool. Later, he was diagnosed with rectal cancer. The doctor said it was in the middle stage. Many patients did not know whether colonoscopy could diagnose rectal cancer? I'd like to share with you some knowledge about this.

How to diagnose rectal cancer by colonoscopy

First, colonoscopy can detect rectal cancer. After the middle stage of rectal cancer, there has been the phenomenon of diffusion. In the middle stage of rectal cancer, the finger can touch the vegetable like tumor, the surrounding edge is bulging, the ulcer can be seen in the middle, the quality is fragile, easy to bleed, and there is a certain degree of activity. Patients with such symptoms should go to the hospital in time.

Second, rectal cancer will slowly metastasize and recur to the liver, causing hepatomegaly, ascites, jaundice, and even cachexia. In addition to the general symptoms such as poor appetite, weight loss and anemia, other symptoms can also be seen in advanced rectal cancer.

Third, rectal cancer often invades the surrounding tissues and organs in the middle and late stages, which can cause a series of symptoms, such as bladder, prostate and other adjacent tissues, causing frequent micturition, urgency and dysuria. Invasion of presacral plexus, sacrococcygeal and lumbar pain. Rectal cancer can also metastasize to the liver, causing hepatomegaly, ascites, jaundice, and even cachexia.

matters needing attention

Don't be disheartened after getting rectal cancer. More attention should be paid to the diet, which will prolong the life cycle. The diet of patients with colorectal cancer should be diverse, not partial to food, not picky. Don't eat high-fat and high protein diet for a long time, and often eat fresh vegetables and anti-cancer food rich in vitamins. Such as tomatoes, dark green and cruciferous vegetables (celery, parsley, cabbage, mustard, radish, etc.), soybean products, citrus fruits, malt and cereal, onion, garlic, ginger, yogurt, etc.