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What Happens During a Colorectal Specialist Consultation?

What Happens During a Colorectal Specialist Consultation?
Dr Dennis Koh
Dr Dennis Koh
Medical Director & Senior Consultant Colorectal Surgeon
MBBS (Nottingham), B Med Sci (Nottingham), MMed (Surgery), FRCS (Edinburgh), FAMS
Dr Sharon Koh
Dr Sharon Koh
Senior Consultant Colorectal Surgeon
MBBS (Singapore), MMed (Surgery), FRCS (Edinburgh), FAMS
Dr Pauleon Tan
Dr Pauleon Tan
Senior Consultant Colorectal Surgeon
MBBS (Singapore), MMed (Surgery), FRCS (Edinburgh), FAMS
A doctor holding a representation of the colorectal system

A colorectal specialist consultation typically involves three main steps: discussing your symptoms and medical history, undergoing a focused physical examination and, if needed, arranging further tests that could help your specialist make a diagnosis. Most consultation sessions are straightforward and structured, with your doctor guiding you through each stage and explaining what is being done and why.

If you are preparing to visit a colorectal specialist clinic for the first time, it is important to understand each stage of a colorectal consultation, including when to see a specialist, how to prepare and what to expect during and after your visit.

When Should You See a Colorectal Specialist?

You should see a colorectal specialist if you are beginning to experience persistent or worsening symptoms affecting your digestive system or bowel habits, particularly those involving pain, bleeding or noticeable changes in how your bowels function. Common signs that warrant a consultation include:

  • Rectal bleeding or blood in your stool
  • Persistent abdominal pain or discomfort
  • Changes in bowel habits such as diarrhoea or constipation
  • A feeling of incomplete bowel emptying
  • Unexplained weight loss
  • Lumps, swelling or pain around the anus

You may also be referred to a colorectal specialist by a general practitioner if:

  • Symptoms do not improve with initial treatment
  • Screening tests show abnormalities
  • You have a family history of colorectal conditions

Early evaluation helps identify the cause of symptoms accurately and allows timely treatment, especially for conditions such as haemorrhoids, polyps or colorectal cancer.

How Should You Prepare for Your Consultation?

To prepare for a colorectal specialist consultation, you should gather relevant medical information, note your symptoms clearly and follow any pre-appointment instructions provided by the clinic.

Before your appointment, it is helpful to:

  • Write down your symptoms, including when they started and how often they occur
  • Note any triggers that worsen symptoms, such as diet or bowel habits
  • Take note of your current medications and supplements
  • Bring past medical records, test results or imaging reports if available

Before going for your first consultation, you may also be advised to avoid certain foods or fast for several hours if tests are pre-planned. Preparing in advance helps your specialist assess your condition more efficiently and helps to prevent important details from being missed during the consultation.

What Is the Colorectal Specialist Consultation Process Like?

A colorectal specialist consultation typically involves discussing your symptoms, reviewing your medical history and performing an initial clinical assessment to determine the likely cause of your condition.

The consultation usually follows these steps:

  • Discussion of Symptoms and Concerns

    Your consultation usually begins with a detailed discussion of your symptoms. This helps your specialist understand what you are experiencing and how it may relate to specific colorectal conditions.

    You may be asked about:

    • The type of symptoms you have, such as pain, bleeding or changes in bowel habits
    • When your symptoms started and whether they are getting worse
    • How frequently the symptoms occur
    • Any triggers, such as diet, stress or certain activities
    • Whether symptoms affect your daily activities or quality of life
  • Review of Medical and Family History

    Your specialist will then review your medical background to identify any underlying risk factors or related conditions.

    This may include questions about:

    • Previous gastrointestinal or colorectal conditions
    • Past surgeries or hospitalisations
    • Current medications and supplements
    • Family history of colorectal cancer, polyps or inflammatory bowel disease

    This step is important as some colorectal conditions can be influenced by genetics or long-term health factors, which may affect how your condition is assessed and managed.

  • Initial Clinical Assessment

    Based on your symptoms and medical history, your specialist will perform an initial clinical assessment to form a working diagnosis and determine the next steps.

    At this stage, your doctor may:

    • Identify possible conditions that could explain your symptoms
    • Decide whether a physical examination is needed during the same visit
    • Recommend further diagnostic tests if required

    Your specialist will also explain their findings and outline what to expect next, including whether your condition can be managed conservatively or requires further investigation.

    This structured approach helps to ensure that your symptoms are evaluated thoroughly and that any necessary follow-up steps are clearly planned.

What Physical Examination or Tests May Be Required?

Some examinations can be performed immediately during your visit to assess for obvious signs of concern. Others may be scheduled by your colorectal specialist for future confirmation of a diagnosis.

  • During the Consultation

    The two common types of physical examination performed during a colorectal consultation are:

    • Abdominal examination to check for tenderness, swelling or masses
    • Digital rectal examination to assess for lumps, pain or abnormalities in the rectal area

    These examinations are usually brief and help your specialist decide whether further investigation is needed.

  • Tests That May Be Scheduled After Your Consultation

    If additional evaluation is required, your specialist may recommend diagnostic tests to be carried out at a later date. These tests may require bowel preparation or scheduling in a procedural setting.

    Common tests include:

    • Colonoscopy to examine the inner lining of the colon
    • Sigmoidoscopy to assess the lower part of the colon
    • Imaging tests such as CT scans or MRI for a more detailed view
    • Stool tests to check for blood, infection or other abnormalities

    Your doctor will explain the purpose of each test, how to prepare and what to expect during the procedure.

A patient experiencing abdominal pain during a colorectal consultation

What Happens After the Consultation?

After your consultation, your colorectal specialist will explain the findings, provide a diagnosis if possible and outline the next steps for your care.

If your condition can be identified based on your symptoms and examination, your doctor will discuss what the diagnosis means, whether it is mild or requires closer monitoring and what treatment options are available. These may include medications, lifestyle and dietary adjustments or minimally invasive procedures, depending on your condition.

If a diagnosis is not yet confirmed, your specialist may recommend further tests such as a colonoscopy, imaging or stool analysis, which will be scheduled for a later date with clear instructions on how to prepare. You may also be advised to return for a follow-up visit to review your results and reassess your condition.

In all cases, your doctor will guide you on what to expect next, when to seek further care and how your condition can be monitored over time to support appropriate and timely management.

Getting Clear Answers from Colorectal Health Specialists

A colorectal specialist consultation is designed to give you clear answers, careful assessment and a plan that reflects your symptoms and concerns. From reviewing your medical history to performing focused examinations and arranging further investigations where needed, each step helps build a more accurate understanding of your condition and what should happen next.

Seeking medical attention early can make a meaningful difference, particularly when symptoms such as rectal bleeding, abdominal discomfort or changes in bowel habits persist. Timely evaluation allows concerns to be addressed properly and helps guide the most suitable treatment before problems become more advanced.

At Colorectal Practice, care is centred on thorough assessment, clear communication and treatment tailored to each patient's needs.

Dr Dennis Koh leads our clinical practice as our medical director and senior consultant colorectal surgeon, alongside Dr Sharon Koh, whose practice focuses on minimally invasive techniques, advanced endoscopy and inflammatory bowel disease, and Dr Pauleon Tan, who are experienced in both open and minimally invasive colorectal surgery. Our doctors provide thoughtful colorectal care with attention to both clinical precision and patient reassurance throughout the consultation process.

If you have ongoing bowel symptoms or have been advised to see a colorectal specialist, contact us today to arrange an appointment for further evaluation and management.

Meet Our Team of Specialists

Dr Dennis Koh
Dr Dennis Koh
Medical Director & Senior Consultant Colorectal Surgeon
MBBS (Nottingham), B Med Sci (Nottingham), MMed (Surgery), FRCS (Edinburgh), FAMS
Dr Dennis Koh is the Medical Director and Senior Consultant Colorectal Surgeon at Colorectal Practice. He graduated from the University of Nottingham, UK and completed advanced surgical training in Singapore, becoming a Fellow of the Royal College of Surgeons of Edinburgh and the Academy of Medicine, Singapore. Formerly a Consultant at Singapore General Hospital, he has extensive experience in open and minimally invasive colorectal surgery, as well as advanced endoscopy, with over 10,000 procedures performed. He also specialises in proctology and pelvic floor disorders and is actively involved in training and teaching future surgeons.
About Dr Dennis Koh
Dr Sharon Koh
Dr Sharon Koh
Senior Consultant Colorectal Surgeon
MBBS (Singapore), MMED (Surgery), FRCS (Edinburgh), FAMS
Dr Sharon Koh Zhiling is a Senior Consultant Colorectal Surgeon at Colorectal Practice, with subspecialty training in colorectal surgery, minimally invasive surgery and advanced endoscopy. She graduated from the Yong Loo Lin School of Medicine, NUS, and completed advanced surgical training at NUH and Singapore General Hospital, becoming a Fellow of the Royal College of Surgeons of Edinburgh and an accredited specialist in General Surgery. After receiving the Academic Medicine Development Award, she completed an 18-month fellowship in advanced colorectal surgery and inflammatory bowel disease at Cedars-Sinai Medical Center in Los Angeles. A former Director of Endoscopy at Alexandra Health, Dr Koh is also actively involved in research, international collaborations and medical education.
About Dr Sharon Koh
Dr Pauleon Tan Enjiu
Dr Pauleon Tan
Senior Consultant Colorectal Surgeon
MBBS (Singapore), MMed (Surgery), FRCS (Edinburgh), FAMS
Dr Pauleon Tan graduated from the Yong Loo Lin School of Medicine, NUS, and obtained his Master of Medicine (Surgery) before becoming a Fellow of the Royal College of Surgeons of Edinburgh. Awarded the Ministry of Health's Health Manpower Development Plan (HMDP) Award, he completed advanced colorectal training at Saitama International Medical Center in Japan, refining techniques such as D3 colorectal resections for cancer surgery. With over 15 years in public hospitals including SGH, TTSH and KTPH, he is experienced in both open and minimally invasive colorectal surgery, as well as advanced endoscopy procedures such as ESD. Dr Tan is also passionate about colorectal cancer prevention and screening and has held leadership and teaching roles in national screening programmes and surgical residency training.
About Dr Pauleon Tan
We Listen. We Treat. We Care.
Entrust your health and recovery to our dedicated team at Colorectal Practice today. From prompt consults to treatment and recovery, we are committed to seeing you through to a better quality of life.
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Mount Elizabeth Medical Centre, Singapore 228510