Colorectal Cancer Screening Singapore: FIT Vs FOBT – Understand The Differences

Colorectal Cancer Screening Singapore: FIT Vs FOBT – Understand The Differences

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Colorectal Cancer Screening Singapore – Colorectal cancer remains one of the leading cancers in Singapore, particularly among individuals aged 50 and above. Early detection significantly improves survival rates, which is why regular screening is highly recommended. Two common stool-based screening methods are the Faecal Immunochemical Test (FIT) and the Faecal Occult Blood Test (FOBT). While both detect hidden blood in the stool — a potential indicator of colorectal cancer — they differ in methodology, accuracy, and convenience.

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What Is FIT And How Does It Work?

The FIT is a more recent advancement in colorectal cancer screening. It uses antibodies to detect the presence of human haemoglobin (blood) in the stool. It is highly sensitive and only requires one sample, making it more convenient and user-friendly. Since FIT specifically detects human blood from the lower intestines, it reduces the likelihood of false positives caused by dietary factors such as red meat or certain vegetables.

Advantages of FIT:

  • Higher sensitivity and specificity compared to FOBT
  • No dietary restrictions before testing
  • Requires only one sample
  • Easier for patients to use and more hygienic

Disadvantages of FIT:

  • Slightly more expensive than FOBT

What Is FOBT And How Does It Work?

The Faecal Occult Blood Test (FOBT), particularly the guaiac-based type (gFOBT), has been used for decades. It detects hidden blood in the stool through a chemical reaction. Unlike FIT, FOBT may react to animal haemoglobin from food, leading to false positives unless patients follow strict dietary restrictions before the test.

Advantages of FOBT:

  • Widely available and low-cost
  • Useful for mass screening in resource-limited settings

Disadvantages of FOBT:

  • Requires dietary and medication restrictions
  • Needs multiple stool samples over three days
  • Lower sensitivity and higher false positive rate

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Colorectal Cancer Screening Singapore – Which Test Is More Common?

In Singapore, the Health Promotion Board (HPB) has endorsed FIT as the preferred method for national screening efforts under the Screen for Life programme. FIT’s greater ease of use and higher accuracy make it the more commonly used option in local clinics and hospitals. Its design encourages better compliance among the population, particularly for those above the age of 50.

What Is The Gold Standard For Colorectal Cancer Screening?

While FIT and FOBT are excellent initial screening tools, the gold standard for colorectal cancer screening remains the colonoscopy. This procedure allows direct visual examination of the colon and rectum and enables biopsy or removal of polyps during the same session. Colonoscopies are usually recommended for individuals at higher risk or after a positive FIT/FOBT result.

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Consult Our Preferred Doctors

If you are looking for a specialist for your colorectal health concerns, you can consider our Preferred Doctors:

Dr Lee Kuok Chung - Colorectal Surgeon in Singapore

COLORECTAL SURGEON

Dr Lee Kuok Chung | Preferred Doctor

Crest Surgical Practice

A/Prof Chong Choon Seng colorectal surgeon in Singapore

COLORECTAL SURGEON

Dr Chong Choon Seng | Preferred Doctor

Ark Surgical Practice

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COLORECTAL SURGEON

Dr Daniel Lee | Preferred Doctor

Colorectal Clinic Associates

Watch Interview Video: Dr Lee Kuok Chung Explains Colorectal Cancer Screening, Treatment, Robotic Surgery, And Costs

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If you’re over 50 or have a family history of colorectal cancer, don’t wait. Contact us now to schedule a comprehensive consultation with a specialist.

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Preferred Doctors: Dr Lee Kuok Chung (Colorectal Surgeon)

Preferred Doctors: Dr Chong Choon Seng (Colorectal Surgeon)

Preferred Doctors: Dr Daniel Lee (Colorectal Surgeon)

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Watch Interview Video: Dr Lee Kuok Chung Explains Colorectal Cancer Screening, Treatment, Robotic Surgery, And Costs

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All content on this site is informative only and is not intended to be a substitute for professional medical advice, diagnosis, or treatment, and should never be relied upon for specific medical advice. If you are experiencing a medical emergency, call 995 immediately or go to the nearest Accident & Emergency department.

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