Colon cancer Diagnosis, Evolution and Complications

The differential diagnosis problems in colon cancer depend upon the differentiation of rectal bleeding. The main causes are:

• hemorrhoidal disease and anal fissure
• Chron's disease
• ulcerative colitis
• colonic diverticuli
• ischemic colitis and irradiation colitis
• colonic angiodysplasia

In front of an anemic syndrome, it should be controlled if the anemia is by iron deficiency, and in this case, the most probable and most evidently it is related to the digestive tube (esogastric, intestine or colon).

Evolution of colon cancer
The evolution of colon neoplasia depends of the moment of its discovery and operation. On the Dukes A stage, the 5 years - survival is about 90%, and in Dukes C approx. 50%. In front of a neoplasm with hepatic metastases (Dukes D), the survival is very low.

Complications of colon cancer
The most frequent are: metastases, intestinal occlusion and perforation.