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Christchurch Gastroenterology
& Colonoscopy Specialist

Procedures Available

Capsule Endoscopy

Capsule endoscopy uses a tiny wireless camera inside a vitamin-sized pill to take thousands of images as it passes through your digestive tract. It is the primary tool for examining the small bowel—an area that cannot be easily reached by traditional gastroscopy or colonoscopy.

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Colonoscopy

A colonoscopy is a medical procedure where a specialist uses a thin, flexible camera to examine the entire lining of the large bowel (colon). It is the most effective way to remove polyps, helping to prevent bowel cancer before it starts.

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Gastroscopy

A gastroscopy uses a thin, flexible telescope to look directly at the lining of your upper digestive tract. It is the most accurate way to find the cause of symptoms like persistent heartburn, swallowing issues, or upper abdominal pain.

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Oral Balloon Enteroscopy

This is a more specialised endoscopic procedure, used for reaching parts of the upper small intestine that are inaccessible via standard Gastroscopy.

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Rectal Balloon Enteroscopy

This is a more specialised endoscopic procedure, used for reaching parts of the lower small intestine that are inaccessible via standard Colonoscopy.

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Consultations

Comprehensive consultations to investigate new symptoms, or manage chronic conditions offered:

  • In-person: At our St. Albans clinic

  • Telehealth: Available at request

We aim to book appointments within 1 business day

Consultations:

Location: Specialist Centre — Level 2, 21 Caledonian Rd, St Albans Christchurch

Your initial consultation and follow-up appointments with Dr. Mehul Lamba are held in our private rooms on Level 2.

Our clinic rooms are designed to be light, airy, and welcoming. From the moment you arrive, our goal is to ensure you feel like a guest in a calm, professional environment. Here, we will discuss your medical history, symptoms, and diagnostic options in a relaxed and confidential setting.

Endoscopy Procedures:

Location: Specialist Centre — Level 1, 21 Caledonian Rd, St Albans Christchurch

All procedures are performed at the Southern Endoscopy Centre, a modern, state-of-the-art purpose-built facility located at 21 Caledonian Rd, Christchurch. The centre is specifically designed for patient comfort and clinical excellence, featuring up-to-date diagnostic equipment and a team of highly trained clinical staff.

We believe in utilizing every available technological advancement for our patients' benefit. By performing procedures in this advanced environment, we can integrate high-definition imaging and real-time Artificial Intelligence (AI) as a standard part of our diagnostic process. Our goal is to provide highly effective endoscopy with the most accurate results possible, ensuring world-class care for every patient.

Our Commitment to You

  • Rapid Response: We aim to move from your initial referral to a booked appointment within 24 hours.

  • Proactive Coordination: If diagnostic scans or laboratory tests are required, these are requested and arranged directly from your referral to ensure your consultation is as comprehensive as possible.

  • Efficient Pathways: Within 2–4 weeks, you can expect to undergo your consultation or proceed with a direct-access Gastroscopy or Colonoscopy if clinically appropriate

Expedited Care & Specialist Excellence

Dr Mehul Lamba

MD (Hons)  MMedSc  FRACP

Gastroenterologist & Interventional Endoscopist
Clinical Senior Lecturer, University of Otago

I am a New Zealand–trained Gastroenterologist and Interventional Endoscopist based in Christchurch.

After completing specialist training in New Zealand, I spent three years in high-volume international fellowships: two years at Royal Brisbane and Women’s Hospital focusing on advanced endoscopy, and one year at St. Michael’s Hospital, Toronto.

I am an accredited bowel cancer screening endoscopist and offer gastroscopy, colonoscopy, ERCP, EUS, and endoscopic treatment of pre-cancerous lesions.

International Training

After completing my core specialist training in New Zealand, I dedicated three years to high-volume international fellowships to bring world-class techniques back to the Canterbury region:

  • Interventional Gastroenterology (2 years): Advanced luminal and pancreatobiliary training at the Royal Brisbane and Women’s Hospital, Australia.

  • Therapeutic Endoscopy (1 year): Further specialist training at the world-renowned St. Michael’s Hospital in Toronto, Canada.

Clinical Focus

  • Accredited Bowel Cancer screening Endoscopist

  • High quality gastroscopy and colonoscopy

  • Advanced interventional endoscopy including ERCP & EUS

  • Endoscopic management of pre-cancerous lesions

Area of clinical interest

Affiliations

  • Consultant Gastroenterologist & Interventional Endoscopist Christchurch Public hospital

  • Clinical Senior Lecturer, University of Otago

  • Executive Member, New Zealand Society of Gastroenterology

  • Member, Gastroenterological Society of Australia

  • Member, American Society for Gastrointestinal Endoscopy

Publications

  1. Timing of Elective Endoscopic Procedures in Patients With Recent SARS-CoV-2 Infection

  2. Establishment of standards for the referral of large nonpedunculated colorectal polyps: an international expert consensus using a modified Delphi process

  3. Post-colonoscopy cancer rate at a tertiary referral hospital in Australia: A data linkage analysis.

  4. Clinical utility of purgative bowel preparation before capsule endoscopy: a multicenter, blinded, randomized controlled trial.

  5. Clinicopathological correlates of dysplastic sessile serrated lesion: a prospective cohort study with a high detection rate.

  6. GESA Statement on the timing of elective endoscopic procedures in patients with recent COVID-19 infection.

  7. Post-Endoscopy Upper Gastrointestinal Cancer Rate in a Tertiary Referral Centre: An Australian Data Linkage Analysis

  8. Feasibility of resection and plication “RAP” technique for management of medically refractory GERD in patients with altered gastric anatomy.

  9. Immunoglobulin G in non-alcoholic steatohepatitis predicts clinical outcome: A prospective multi-centre cohort study.

  10. Trends in Incidence of Autoimmune Liver Diseases and Increasing Incidence of Autoimmune Hepatitis.

  11. Associations Between Mutations in MSH6 and PMS2 and Risk of Surveillance-detected Colorectal Cancer

  12. Risk of interval colorectal cancer in patients with Lynch Syndrome undergoing surveillance in New Zealand – results from the New Zealand Familial Gastrointestinal Cancer Service.

  13. Predictors of non-attendance at outpatient endoscopy: a five-year multi-centre observational study from New Zealand.

  14. Can colonoscopy at peripheral day hospitals meet internationally accepted quality and safety standards?

  15. Editorial: inflammatory bowel disease risk reduction after migration - are early life events important?

  16. Editorial: does disease extension lead to disease progression in proctitis?

  17. HCC Surveillance in Patients with Advanced Fibrosis – Christchurch Experience

  18. Contemporary Natural History of Patients with Severe and Moderate to Severe Aortic Regurgitation

  19. Diagnosis of pulmonary embolism does not increase long-term risk of adverse clinical events.

  20. Long-term outcomes in patients with pulmonary embolism: results from a longitudinal cohort study.

We are an Affiliated Provider with Southern Cross and a nib First Choice Provider.