Diagnose _'s symptom in cancer of colon

Diagnose _'s symptom in cancer of colon
1,Patient mostly above middle age, but youth have, have illness coming on too, men and women than about 2: 1.
2,The change that early symptom is mainly the stool is used to, even if is secret and suffering from diarrhoea, or suffer from diarrhoea the fine jade of fine jade is replaced. The surface of excrement and urine often has a small amount of blood and mucus that are adhered to. Develop with the condition, have blood in one's stool and increase gradually, and the heavy sense after being urgent while having. Symptoms such as weight lightening, anaemia,etc. are presented the going on and aggravated. Can present symptoms such as jaundice, ascites, hepatomegaly, belly piece, intestinal obstruction, cachexia, sacral bone tail continuation pain, stool incontinence,etc. in later period. Cancer of colon generally grows slower, relatively shift late.
3,Besides above-mentioned symptom, on the basis of the cancerous swelling position, clinical manifestation is also different. Cancer of colon takes place at rectum and the second form colon at most, secondly and promote colon, transverse colon, spleen song and liver song for the caecum.
( 1) The left cancer of colon because second form colon is the narrowest and most small, and the excrement and urine of half a colon of left has already become the solid, so the left cancer of colon is mainly shown as chronic going on intestinal obstruction or obstinate constipation. Abdominal distension, abdominal pain, borborygmus are relatively obvious. Cancerous swelling can make the surface of stool adhere to the blood and mucus, the informal blood sometimes to break routedly. It is early and often apt to misdiagnose it for simple constipation.
( 2) Right half cancer of colon show as indigestion, right the intersection of upper abdomen and uncomfortable, the intersection of stool and abnormality, abdominal pain and belly lump mainly, the condition is developed gradually, present going on anaemia, becoming thin, generating heat,etc., it is often apt to misdiagnose for colitis, tuberculosis of intestine, chronic appendicitis, Crohn's disease and cholecystitis,etc..
( 3) Rectal cancer is mainly shown as number of times of the stool increases, the feeling that can't defecate clearly. The excrement and urine is attenuated, and there are blood and mucus. If cancerous swelling infringes the nerve of sacral bone clump, can present the sharp pain, can present intestinal obstruction in later period. Cancerous swelling can involve the bladder, prostate and female sex organ and present hematuria, polyuria and not urinate smoothly.
( 4) Rectum cancer is mainly shown as pain while having blood in one's stool and defecating. Cancerous swelling infringes the sphincter of rectum, can cause stool incontinence.
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