Rectal surgery without an external incision
Transanal Minimally Invasive Surgery allows lesions in the lower and middle rectum to be removed through the anal canal, using a port and laparoscopic instruments. There is no abdominal incision.
It suits selected early rectal tumours and large benign polyps that cannot be removed at colonoscopy, provided the disease has not extended through the rectal wall.
Who it suits
- Large benign polyps not retrievable endoscopically
- Selected early-stage rectal tumours confined to the wall
- Lesions within reach in the lower and middle rectum
TAMIS is only appropriate where staging confirms the disease has not spread beyond the rectal wall. Accurate imaging beforehand is what makes it safe.
What patients ask most
Straight answers to the questions that come up in consultation. Anything not covered here, just ask.
How does this differ from a rectal resection?–
A resection removes a segment of rectum through the abdomen. TAMIS removes only the lesion and a margin, through the anal canal, so recovery is much quicker.
Is a stoma needed?+
No. TAMIS does not require a stoma.
What is recovery like?+
Most patients are in hospital briefly and back to normal activity within one to two weeks.
What if the pathology shows deeper disease?+
If the specimen shows the tumour extended further than expected, a more extensive operation may be advised. That possibility is discussed before surgery.
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