's general knowledge of diagnosis of cancer of colon

's general knowledge of diagnosis of cancer of colon
Cancer of colon early symptom many and lighter or more obvious, ignore patient often, easy to leak, examine. So should enhance vigilance when there are the following manifestation on patient above middle age, it is possible to there is not cancer of colon to consider: Present, defecate, used to it, change in the near future ' Constipation, diarrhoea, or smooth) , the lasting belly is uncomfortable, secret anguish or abdominal distension; The excrement and urine becomes rare, or there are blood and mucus; The latent blood of excrement and urine is tested continuously positively; Anaemia, weak with unidentified reason or the weight is lightened etc.; The belly can be laid one's hand on in and lump.
When there is the above-mentioned suspicious phenomenon, besides doing the further medical history inquiring and physical examination, should carry on the following systems inspection promptly, is in the hope of fixing and diagnosing.
(1) The anal canal means examining and examining with the proctoscope
Check rectum polyp, rectal cancer, internal hemorrhoid or other pathological changes, as a means of distinguishing.
(2) Second form colon mirror and fibrous colon mirror are checked
The intersection of second the intersection of form and the intersection of colon and mirror and long 25cm, 75% the intersection of large intestine and cancer lie in the second the intersection of form and the intersection of colon and range that mirror can spy on. The mirror not only can find cancerous swelling, but also can observe its size, position and part and soak the range while examining. Can be adopted to organize writings pathology to check through second form colon mirror. Fibrous the intersection of colon and mirror check, can offer high diagnosis rate, domestic to employ extensively, can insert the fibrous colon mirror to caecum and terminal ileum to operate the skilled ones, can also take pictures, really an ideal inspection method.
(3) X-ray examination
1.Belly flat for sheet to check, suitable for companion take place acute case of intestinal obstruction, it is obvious, obstruct colon above the position inflate the phenomenon of swelling.
2.It is stiff that barium pharmaceutical enema is checked and can be seen the intestines wall of the cancerous swelling position, expanding difference, wriggle and weaken or disappear to the focus, the bag shape abnormality of colon or disappearing, the intestines is narrow, the mucomembranous pleat is disorderly and destroying or disappearing, is full of defect,etc.. It contributes to diagnosing colon and tumour with base of a fruit inside even more that pharmaceutical air compares barium doubly with the radiography.
(4) Embryo antigen of cancer (cea) Test
The diagnosis value to the early case is not high, but there is certain help on inferring the prognosis and judging.
Prevent and cure general survey and still lack the feasible scheme to the large-scale crowd of cancer of colon at present, meet above-mentioned cancer of colon at the suspicious sign only, select the appropriate inspection method for use in time, make diagnosis in early days, especially meet the person who tests masculine gender of latent blood of excrement and urine, must further investigate its reason.
|