What is rectal cancerCancer refers to the above anus dentate line to the sigmoid colon and rectum transitional between carcinoma is a common
What is rectal cancer
Cancer refers to the above anus dentate line to the sigmoid colon and rectum transitional between carcinoma is a common malignant tumor after the incidence of gastric cancer of the gastrointestinal tract, accounted for 60%-70% of the total incidence of colorectal cancer, the incidence of male than female patients are more common, and in recent years the incidence rate increases. Rectal cancer in our country is mainly located in the middle and lower rectal cancer below the peritoneum, and has a high incidence of young people (30 years old). The depth of the pelvic cavity, the direction of metastasis, the difficulty of operation, not easy to get radical cure, postoperative local recurrence rate is high. The rectal and anal sphincter section close to, is not easy to keep the anus, and the operation is easy to damage the pelvic nerve plexus, part of patients with postoperative urinary and sexual function will be affected.
Etiology of rectal cancer
The cause of rectal cancer is still unclear. But most experts agree that it has to do with diet and genetic factors. Epidemiological investigation showed that the incidence of colorectal cancer was higher in the patients with high fat, high protein and low fiber diet, while 5%-10% had a significant family history of colorectal cancer. In addition, chronic inflammatory bowel disease, such as ulcerative colitis, ulcerative colitis and Schistosoma japonicum induced colorectal cancer risk factors. Rectal adenoma is considered to be precancerous lesions, the greater the volume, the higher the canceration rate.
What are the manifestations of rectal cancer
1 rectal irritation meaning is frequent, change in bowel habits; they have a sense of falling, pre anal tenesmus, endless defecation, late lower abdominal pain.
2 intestinal obstruction symptoms caused by tumor stricture, initial deformation, thin stool, bowel obstruction caused when incomplete intestinal obstruction, abdominal pain, abdominal distension, bowel sound hyperfunction.
3 tumor rupture and infection symptoms of stool surface with blood and mucus, pus and blood stool even.
The frequency of symptoms were hematochezia 80%-90%, frequency 60%-70%, then 40%, then 35%, thin mucus, tenesmus, anal pain 20% 20% 10% and so on constipation.
Tumor of prostate, bladder, can appear frequent micturition, dysuria, hematuria. There is a severe pain in the sacrococcygeal region that can be seen in the anterior sacral nerve. The late occurrence of liver metastasis can have ascites, hepatomegaly, jaundice, anemia, weight loss, edema, cachexia etc..
How to treat rectal cancer
Although there are more and more methods to treat tumor, surgical resection is still the main treatment for rectal cancer. All patients with resectable rectal cancer should be treated as early as possible in the case of the patient's physical condition. Due to China's low rectal cancer (within 5cm from the anal dentate line) were more common, in order to ensure the treatment effect, in the past most of the patients are forced to accept Miles operation (to be excavated in the patient's original anus parallel abdominal artificial intestinal fistula). In recent years, with the in-depth study on colorectal cancer growth, metastasis, and continuous improvement of surgical techniques and surgical instruments, most of the patients with low rectal cancer can keep the anus, anal fistula from cut pain.
The Department of anus & intestine surgery, also called colorectal surgery, is a highly specialized and independent subject. The Department of anus & intestine surgery of Wuhan Union Hospital, Department of anus & intestine surgery set professional talents cutting-edge technology and excellent nursing team and improve medical facilities in one hundred years, uphold the fine tradition of Concord, with strict, surgical style and fine new medical concept that cherish life and highly specialized, individualized, minimally invasive, automation and other modern equipment surgical treatment of new services to the majority of patients. Have rich experience for the treatment of low rectal cancer, in the premise of eradicating cancer, can retain the original anus without traditional fistula, which not only treat the disease, but also greatly improve the quality of life of patients, improve the life, cherish the life. Welcome the majority of patients to seek medical treatment, and I wish you a speedy recovery of patients to enjoy life cherish life (Enjoy Life).
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