It is seen in some of the cases that a colon cancer diagnosis comes after months of struggling to clearly establish the cause of various symptoms. Others receive a surprise diagnosis after a routine colonoscopy. Even though there are lots of ways of reaching a diagnosis of colon cancer, all have one thing in common: laboratory analysis of a sample of tissue that confirms the existence of cancer.
Indications of colon cancer:
Most people who encounters cancer of colon never displays any indication of illness. This is because the first time tumors rarely cause any symptoms. Someone who receives a diagnosis of colon cancer in the last stage is more prone to have experienced one or more symptoms connected with colon cancer, such as stomach hinder or unexpected weight loss.
Tests for colon cancer:
There are 5 tests to choose from when making a routine investigation of colon cancer: the barium enema, virtual colonoscopy, stool testing, sigmoidoscopy and colonoscopy. Each has advantages and disadvantages, and it is wise to consult your doctor regarding what is best for you.
When the colon cancer is suspected, colonoscopy is an excellent option because it allows your doctor to examine the entire length of the colon with a small camera. A colonoscopy (the instrument used in a colonoscopy) may also be used to do a biopsy of any part of colon which your doctor suspects to be cancerous.
Biopsy of colon:
A biopsy is the examination and removal of tissue, cells or body fluid. With regard to obtaining a diagnosis of colon cancer, a biopsy is the removal and
examination of tissue from the colon. No diagnosis of colon cancer is final until the sample piece of tissue from the colon is analyzed in a laboratory and found to contain cancer cells.
If laboratory analysis authenticate the existence of cancer, the very next step in the process is to determine the stage of colon cancer.