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Transanal Minimally Invasive Surgery (TAMIS) is a procedure in the realm of colorectal surgery, which allows for the precise and meticulous removal of polyps, early-stage tumours, and certain types of cancers located within the rectum. TAMIS merges the benefits of highly specialised laparoscopic techniques with direct transanal access, ensuring a less invasive approach with enhanced patient comfort and quicker recovery times.
TAMIS is typically recommended for:
Polyps that are too large or too difficult to remove during a routine colonoscopy can be removed through TAMIS.
For some patients with early-stage rectal cancer, TAMIS provides an effective, minimally invasive treatment option.
Certain types of rectal lesions, particularly those that haven’t penetrated deeply into the rectal wall, can be effectively treated with TAMIS.
Eligibility for TAMIS is generally determined by the nature and stage of the rectal disease. Patients with early-stage rectal cancer, large polyps, or rectal lesions that have not infiltrated the entire rectal wall are typically suitable candidates. However, patients with more advanced cancers or those with health conditions that could complicate surgery might not be eligible for this procedure.
The TAMIS procedure is performed under general anaesthesia. The surgeon inserts a specially designed proctoscope into the rectum. Using the enhanced visualisation and access provided by the TAMIS technique, precise surgical instruments are introduced through the proctoscope to excise the polyp or tumour. Once the procedure is complete, the excised tissue is removed through the anus.
As with any surgical procedure, TAMIS carries potential risks and complications, including infection, bleeding, anal incontinence, and a small risk of damage to surrounding organs. However, due to its minimally invasive nature and the high level of control offered to surgeons, these risks are generally considered to be low compared to traditional surgery.
Recovery from TAMIS is typically faster than with traditional surgery, with many patients able to return home the same day. A mild sore throat or rectal discomfort is common but usually resolves within a few days. Normal activities can often be resumed within a week. Follow the specific aftercare advice provided by your healthcare team, which may include dietary modifications and follow-up appointments.
Consult our internationally-qualified colorectal surgeon for a comprehensive evaluation & personalised treatment plan.
Dr Jonathan Foo has expertise in managing various General Surgical and Colorectal conditions. He excels at advanced endoscopic, open and minimally invasive (“key-hole”) techniques, as well as robotic surgery.
Dr Foo is a specialist Colorectal surgeon with comprehensive training in other minimally invasive(laparoscopic) General Surgical conditions such as hernia repair and gallbladder surgery.
Dr Foo firmly believes that every surgical procedures must be customized to the individual in order to achieve an optimal outcome for his patients.
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TAMIS usually takes between 1 to 3 hours, depending on the complexity of the case.
Most patients undergoing TAMIS will not need a colostomy bag as the procedure is designed to preserve normal bowel function.
Postoperative discomfort is usually minimal and can be effectively managed with over-the-counter painkillers.
Most patients can resume a normal diet within 24 hours of the procedure, but this can vary depending on individual circumstances and your surgeon’s recommendations.
