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Colonoscopy Specialist in Singapore

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Dr Chew Min Hoe
Dr Chew Min Hoe

Senior Consultant, General & Colorectal Surgeon

MBBS (Singapore), MRCS (Edinburgh), MMed (Surgery), FRCS (Edinburgh)

Have you noticed changes in your bowel habits, unexplained abdominal discomfort or rectal bleeding? Even when symptoms seem minor, they should not be ignored, particularly if they persist or recur. A colonoscopy is a procedure that examines the lining of the colon and rectum and is commonly performed to screen for colorectal cancer and investigate digestive symptoms.

Whether performed as a routine screening test or to investigate ongoing gastrointestinal symptoms, a colonoscopy can provide valuable information about your colorectal health.

Meet Our Colonoscopy Specialist in Singapore

Dr Chew Min Hoe

Senior Consultant, General & Colorectal Surgeon

  • MBBS (Singapore)
  • MRCS (Edinburgh)
  • MMed (Surgery)
  • FRCS (Edinburgh)

Dr Chew Min Hoe is a senior consultant general and colorectal surgeon with extensive experience in diagnosing and managing colorectal conditions. He performs colonoscopy for both preventive screening and the evaluation of symptoms such as rectal bleeding, changes in bowel habits, abdominal pain and unexplained weight loss.

Having completed specialist surgical training in Singapore and the United Kingdom, Dr Chew is experienced in managing a wide range of colorectal conditions, including colorectal polyps, colorectal cancer, diverticular disease and inflammatory bowel disease. His clinical approach emphasises thorough assessment, clear communication and evidence-based care, helping patients make informed decisions about their health.

More About Dr Che Min Hoe
An endoscope being adjusted for a colonoscopy procedure.

What is a Colonoscopy?

A colonoscopy is a procedure that allows your specialist to examine the lining of the colon and rectum using a thin, flexible tube called a colonoscope. Equipped with a high-definition camera and light source, the colonoscope transmits real-time images to a monitor, allowing detailed assessment of the intestinal lining.

The procedure is typically performed under sedation to ensure your comfort. Once the colonoscope is gently guided through the colon, your specialist can identify abnormalities such as polyps, inflammation, bleeding or suspicious growths.

One of the advantages of a colonoscopy is that it can be both diagnostic and therapeutic. If polyps are detected, they can often be removed during the same procedure. Tissue samples can also be collected for further laboratory testing when necessary.

Benefits of Undergoing Regular Colonoscopy

Regular colonoscopy screening can help detect problems before symptoms develop, allowing earlier intervention and better long-term outcomes.

  • Early Detection of Colorectal Cancer

    Colorectal cancer identified at an earlier stage is generally more treatable and associated with improved outcomes.

  • Removal of Precancerous Polyps

    Polyps can often be removed before they have the opportunity to develop into cancer.

  • Detailed Diagnosis of Digestive Symptoms

    A colonoscopy can help determine the cause of symptoms such as rectal bleeding, persistent diarrhoea, constipation and unexplained abdominal pain.

  • Accurate Assessment of Colon Health

    Direct visualisation of the colon provides detailed information that cannot always be obtained through imaging or stool-based tests.

  • Greater Peace of Mind

    A normal colonoscopy result can provide reassurance, while early detection of abnormalities enables timely management.

How Colon Polyps Are Managed

Finding a polyp during a colonoscopy is relatively common and does not necessarily mean cancer is present. The findings help determine whether treatment or ongoing surveillance is required.

  • Many polyps can be removed immediately during the procedure.
  • Most polyps are benign.
  • Some polyps have the potential to become cancerous over time if left untreated.
  • Removed tissue is sent for laboratory analysis to determine its nature.
  • Results help guide recommendations for future surveillance.

Early removal of polyps is one of the reasons colonoscopy remains an effective tool for colorectal cancer prevention.

Concerned about your risk of colorectal cancer? Schedule a consultation with Dr Chew Min Hoe to discuss whether a colonoscopy is appropriate for you.

What Are the Possible Risks of a Colonoscopy Procedure?

While colonoscopy is routinely performed and well tolerated by most patients, no medical procedure is entirely without risk. Understanding the possible complications can help you make an informed decision and know what to expect before and after the procedure.

  • Bleeding

    Minor bleeding may occur after a biopsy or polyp removal and usually settles without intervention.

  • Temporary Abdominal Discomfort

    Some patients experience mild bloating, cramping or gas due to air introduced during the procedure.

  • Perforation

    A tear in the bowel wall is uncommon but may require further treatment if it occurs.

  • Sedation-Related Risks

    Although uncommon, sedation may occasionally cause temporary breathing or cardiovascular effects that are carefully monitored during the procedure.

When Should You Get a Colonoscopy Screening?

You may benefit from a colonoscopy if you:

  • Are aged 45 years or older and due for colorectal cancer screening
  • Have a family history of colorectal cancer or colorectal polyps
  • Experience rectal bleeding
  • Notice persistent changes in bowel habits
  • Have unexplained abdominal pain
  • Develop iron deficiency anaemia
  • Experience unexplained weight loss
  • Have a personal history of colorectal polyps

For individuals with a family history of colorectal cancer, screening may need to begin earlier and be performed more frequently.

Preparing for a Colonoscopy

Proper preparation is essential for an accurate examination.

Preparation typically includes:

  • Following a low-fibre diet for several days beforehand
  • Switching to clear fluids before the procedure
  • Taking prescribed bowel-cleansing medication
  • Fasting for a specified period before your appointment

Your specialist will provide detailed instructions tailored to your medical history and medications.

What to Expect During the Colonoscopy Procedure?

Most colonoscopies take approximately 20 to 45 minutes, although this can vary depending on individual findings. During the examination, your specialist will carefully inspect the lining of the colon and rectum. If necessary, biopsies may be taken or polyps removed.

Following recovery from sedation, you will receive an explanation of the findings and recommendations for any further care.

Looking for answers to ongoing digestive symptoms? A colonoscopy can provide valuable information about your colorectal health, whether you are seeking routine screening, investigating ongoing symptoms or monitoring an existing condition.

What to Expect After a Colonoscopy

Recovery after a colonoscopy is usually straightforward, with most people able to resume their normal activities by the following day. Knowing what to expect after the procedure can help you feel more confident and comfortable during the recovery process.

  • Immediate Recovery

    After the procedure, you will rest in a recovery area while the effects of sedation wear off. Before you are discharged, the medical team will ensure you are feeling well and stable. As sedation can temporarily affect your alertness and coordination, you should arrange for someone to accompany you home.

  • Common Side Effects

    It is common to experience mild bloating, gas or abdominal discomfort after a colonoscopy. These symptoms are usually caused by the air introduced during the examination and generally settle within a few hours.

  • Returning to Your Normal Diet

    Most patients can resume eating shortly after the procedure. Starting with light, easily digestible meals may feel more comfortable, particularly if you experience temporary bloating or cramping.

  • Follow-up Care

    Your specialist will discuss the findings with you and explain whether any biopsies were taken or polyps removed. Depending on the results, you may be advised to undergo further treatment, monitoring or repeat screening at a later date.

Are There Alternatives to a Colonoscopy?

Although colonoscopy remains the most comprehensive examination of the colon, other screening options may be suitable in selected cases.

  • Faecal Immunochemical Test (FIT)

    FIT detects small amounts of blood in the stool and is commonly used for colorectal cancer screening. A positive result usually requires a follow-up colonoscopy.

  • CT Colonography

    Also known as virtual colonoscopy, this imaging test creates detailed pictures of the colon. However, biopsies and polyp removal cannot be performed during the scan.

    • Common Misconceptions About Colonoscopy

    Concerns about colonoscopy often stem from misconceptions surrounding the procedure. Understanding the facts can help you make more informed decisions about your colorectal health and feel more confident about undergoing screening when recommended.

    • Colonoscopy Is Only Necessary When Symptoms Occur

      Many colorectal conditions, including polyps and early-stage colorectal cancer, may not cause noticeable symptoms. Colonoscopy allows abnormalities to be detected and addressed before they progress or become more difficult to treat.

    • Colonoscopy Is Painful

      Most colonoscopies are performed under sedation, allowing patients to remain comfortable throughout the procedure. While some mild bloating or cramping may occur afterwards, significant discomfort is uncommon.

    • Colonoscopy Is Only for Older Adults

      Although routine colorectal cancer screening is generally recommended from age 45 onwards, younger individuals with symptoms, a family history of colorectal cancer or other risk factors may also benefit from a colonoscopy.

    • Colonoscopy Carries Significant Risks

      Colonoscopy is a commonly performed procedure with a strong safety profile. Serious complications are uncommon, particularly when an experienced colorectal specialist carries out the procedure.

    Why Choose Our Clinic for Colonoscopy Screening in Singapore?

    When it comes to colorectal cancer screening and digestive health assessment, experience and attention to detail matter. At our clinic, we are committed to providing comprehensive colonoscopy services in a comfortable and supportive environment, helping you feel informed and reassured throughout the process.

    • Experienced Colorectal Specialist

      Your colonoscopy will be performed by Dr Chew Min Hoe, a Senior Consultant General and Colorectal Surgeon with extensive experience in the diagnosis and management of colorectal conditions. His expertise allows for careful assessment, accurate diagnosis and appropriate follow-up care where required.

    • Comprehensive Screening and Diagnostic Care

      Whether you are attending routine colorectal cancer screening or investigating symptoms such as rectal bleeding, abdominal discomfort or changes in bowel habits, we provide thorough evaluation and personalised recommendations based on your individual needs.

    • Advanced Endoscopic Technology

      We utilise modern endoscopic equipment that delivers high-quality visualisation of the colon and rectum, supporting accurate detection of polyps, inflammation and other abnormalities.

    • Patient-Focused Experience

      From your initial consultation to post-procedure follow-up, our team prioritises your comfort, safety and understanding. We take the time to answer your questions and guide you through every stage of the process with clarity and care.

    Frequently Asked Questions (FAQs) About Colonoscopy

    Colonoscopy is generally safe with a low risk of complications. Rarely, issues such as bleeding or a small tear in the colon may occur. You should contact your doctor if you notice unusual or persistent symptoms.

    Our Colonoscopy Doctor

    Dr Chew Min Hoe

    Senior Consultant, General & Colorectal Surgeon
    MBBS (Singapore), MRCS (Edinburgh), MMed (Surgery), FRCS (Edinburgh)

    Dr Chew Min Hoe is a Senior Consultant in General and Colorectal Surgery with extensive experience in performing colonoscopy for both screening and diagnostic purposes. With a strong focus on colorectal health, he provides careful evaluation and clear guidance, helping patients make informed decisions about their care.

    Colorectal Specialist in Singapore - Dr Chew Min Hoe