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Symptoms of Colorectal Cancer

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Signs and Symptoms of Colorectal Cancer

Colon Cancer is often determined because of the prevailing signs and symptoms of colorectal cancer. Some of the common signs of colorectal cancer include abdominal pain, watery stools and a sudden change in your bowel habit. Unfortunately, the common signs can also be caused by different medical conditions. The stools found in the blood can also be caused by piles or haemorrhoids and the sudden change in the bowel habit can be caused by something you ate. Below are some facts that can help you in determining if you have a colorectal cancer.

Your Guide about the Symptoms of Colorectal Cancer

In 2009, for 12 weeks, Miss Loh Hui Ping passed blood in her stool every day but she chose to ignore because it was painless. The 22 year old medical social worker remembered, “I read on the Internet that blood in the stool could be due to colorectal cancer, but this usually happened to people over 50 years old. I didn’t think it would happen to me.” By the time she went to see the doctor 4 months later, she was already diagnosed with stage one rectal cancer.

According to SGH, people under 40 made up two out of every 100, or about 14 patients with colorectal cancer seen in the hospital in 2010.

A total of 9,324 new cases of colorectal cancer were diagnosed from 2010-2014 in Singapore.

“Colorectal cancer is so uncommon in those under 40 that its warning signs tend to be ignored, said Associate Professor Tang Choong Leong, who is acting head of colorectal surgery at the Singapore General Hospital (SGH). “Or they may dismiss blood in the stools for piles,” he said.

So do not fret if you find these symptoms of colorectal cancer since it does not necessarily mean that you have a developing cancer.


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Most of the people who have a colon cancer are those who are more than 60 years old. This means that as you age the symptoms of colorectal cancer turns out to be more important. If the symptoms persist, then you have to undergo an analysis to find out if you have a cancer.

These are the more distinct symptoms of colorectal cancer:

  1. Severe abdominal pain. A person will experience discomfort or an immediate bloating after eating. There are also instances that this condition will lead to a massive weight loss and loss in appetite.
  2. Stools found in the blood with the absence of other symptoms of haemorrhoids such as itching, pain, discomfort, soreness and a lump that hangs down at the passage.
  3. There is a continual change in bowel movement, the stools do not have a speck of blood, but the person is experiencing a massive pain in the abdomen.
  4. There is a repeated change in the bowel movement causing them to experience a discharge more often. Their stools also appear to be watery, and there are bloods in the stools.

In case that you are experiencing these symptoms of colorectal cancer, be wary about it. You may not feel any weakening or illness, but colon cancer usually work that way. There are also distinct cases where you may experience an obstruction in your bowel movement. The obstruction in the bowel may prevent the undigested waste to pass through. The symptoms of bowel obstruction may include vomiting, swelling or bloated tummy, difficulty on bowel movement and a major pain in the abdomen that typically disappear and resurface.

These symptoms of colorectal cancer are all medical emergency. In case that you are experiencing some or all of these signs are sure to have it checks with Go Health Screening. Early diagnosis is still our first line of defense against the big C.

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Homocystein $77

This test is used to gauge whether someone is suffering from folate or Vitamin B12 deficiency.

For people with a history of heart disease in the family in the absence of other risk factors such as being overweight or obese, high blood pressure or smoking; the test can be used in screening patients for stroke or heart attack.

CA 19.9 $67

Serum CA 19.9 levels are usually increased to about 80% among patients who are dealing with pancreatic cancer. They are also evident in 54-89% of patients with stomach cancer, while 65% for those who have colorectal cancer. From time to time, the serum level may also increase in benign conditions, such as acute and chronic pancreatitis, inflammatory bowel disease, cystic fibrosis, as well as hepatobillary tract disease. In benign disease, however, CA 19.9 generally does not go over 100U/ml.

HbA1C $37

HaemoglobinA1c, or HbAIc, is a diabetes marker, which may be used in long-term care monitoring for people who are suffering from diabetes. The level of HbA1c is directly proportional to the glucose level within the blood. It has been accepted widely as a determining factor that indicates the mean daily concentration of blood glucose throughout the preceding couple of months. According to recent studies, regular measurement and assessment of HbA1c results to the change in diabetes treatment, as well as the improvement of the metabolic control which is indicated with the lowering of the HbA1c valves.

CA 125 $67

This glycol protein is produced in several ovarian cancers. The levels of CA 125 that are above 335ng/ml have been detected in about 20-40% of patients who have State I and II ovarian cancers, as well as 96% of patients who have State III and IV of this disease. In less common situations, the levels can increase in patients who have cancers of the breast, gastrointestinal tract, endometrium, cervix, as well as the fallopian tube. The increase in levels may also be present in some benign conditions such as peritoneal inflammation and endometriosis. CA 125 is also helpful when it comes to monitoring individuals for treatment response and recurrence of tumour.

C-Reactive Protein $37

C-Reactive Protein (CRP) is a particular substance which is produced within the liver as a result of inflammation. CRP is also known as high-sensitivity C-reactive protein (hs-CRP), as well as ultra-sensitive C-reactive protein (us-CRP). With a high CRP level in the blood, there is a possibility of having a condition which can cause inflammation, ranging from the possibility of an upper respiratory infection to more serious conditions such as cancer. Higher levels of CRP can also be an indication of an inflammation in the heart arteries, swelling of the tissues that line the joints and infection of a bone. This, in turn, may pose a higher risk for heart attack. However, it is important to keep in mind, that CRP is a nonspecific test which may be elevated with any type of inflammatory condition.

CA 15.3 $67

The test for CA 15.3 is considered as a marker of tumour. It is often used in checking how treatment for breast cancer works, looking for cancer that has recurred post treatment. If you are being diagnosed with cancer of the breast, you may go through this test. It is not used for measuring early stage of breast cancer since the levels of this type of protein are only rarely higher than the normal levels within this stage.

PSA $67

PSA is a substance produced within the prostate gland. It is also highly useful when it comes to the diagnosis of prostate cancer, including the monitoring for spreading and recurrence of tumour in patients. Generally, a little amount of PSA can be found in the blood. Increase in the levels of PSA may be caused by benign prostatic or even prostate cancer.

HIV Antibody $27

The antibody screening test is considered as the most common HIV test, looking into the antibodies that is produced by the body against HIV. It may be done on oral or blood fluid, but not saliva. Since the antibody levels in the oral fluid is relatively lower as in the blood, majority of blood-based tests discover the infection sooner right after being exposed compared to rapid HIV tests.

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