2020年11月26日星期四

hemorrhoids symptoms,Symptoms and diagnosis of rectal cancer

    Symptoms and diagnosis of rectal cancer

    Rectal cancer includes cancer from the dentate line to the junction of the sigmoid colorectal, which accounts for about 60% of colorectal cancer. It is more common in the ampulla of the rectum, and about 2/3 is below the peritoneal reflex plane. The incidence is higher in the elderly, mostly over 60 years old. In recent years, it has also occurred in young people. The youngest case I have seen is 15 years old. Patients younger than 30 years old account for 1-4%, and there are more men. The general symptoms of rectal cancer appear earlier, often tenes and poor bowel movements, and can also cause obstruction or changes in bowel habits. More than 90% of patients see blood as the first symptom, and they are easily misdiagnosed as hemorrhoids bleeding and delayed treatment, such as Cancer tissues invade the bladder and vagina, etc., and there may be related symptoms of frequent urination, urgency, hematuria and even vesicovaginal fistula and rectovaginal fistula. Infringement of the sacral plexus can cause perianal and sacral pain.

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