Skip to main contentLast updated: 05-Nov-2026
Dr Harsh Shah
MS, MCh (Surgical Gastroenterology), DrNB (Surgical Gastroenterology)
Registered with Gujarat Medical Council, Reg. No. G-38738
Intestine Cancer Surgeon
Dr. Jivraj Mehta Hospital, Vasna, Ahmedabad · 18 years of experience
In short
The small bowel lies beyond the reach of a gastroscopy and a colonoscopy, so finding a tumour needs a planned order of tests, not one test.
A scan of the bowel usually comes first. A capsule camera is used only after we know the passage is open, and a scope is used to take tissue.
Tissue decides the type of tumour. In India we also test for gut tuberculosis at the same time, so that the wrong operation is avoided.
For how these tumours are treated once found, read our small bowel cancer treatment page. This post explains the tests, and why their order matters.
The first test depends on the question. A suspected lump needs a scan of the bowel. A hidden bleed with normal scopes may need a capsule. Tissue needs a scope.
| The question | First test | Why |
|---|---|---|
| Is there a lump or narrowing? | CT or MR enterography | Shows the wall, glands, liver and belly in one scan |
| Is there a hidden bleeding spot? | Capsule camera, after the passage is checked | Sees small lesions on the inner lining |
| I need tissue or a mark on the lesion | Deep scope (balloon enteroscopy) | Takes a biopsy and can mark the spot with ink |
| What type is it, and how far has it spread? | Bloods, biopsy and special stains | Type decides treatment |
The most common mistake is the wrong order: a capsule sent into a narrowing, or a third colonoscopy when the small bowel was never imaged.
CT or MR enterography fills the bowel with fluid and shows the wall, the fat around it, the glands and distant spread in a single visit.
The shape on the scan gives clues before the biopsy returns.
| Scan picture | May suggest |
|---|---|
| Short ring-like narrowing with sharp edges | Adenocarcinoma |
| Mass in the bowel fat with streaks pulling the bowel | Neuroendocrine tumour |
| Thick wall that widens the bowel instead of narrowing it | Lymphoma |
| Round mass growing outward with little blockage | GIST |
| Bowel folded inside bowel | A tumour acting as the lead point |
These are patterns, not proof. Tissue gives the final answer. See our page on GIST treatment for what follows a GIST result.
A capsule camera is safe only when the passage is known to be open. It sees the lining well but cannot take tissue or treat.
For a brisk bleed, a CT scan with contrast in the vein is faster than waiting for a capsule to travel through the gut.
Tissue comes from a scope when the lesion is reachable, a needle when a spot elsewhere is easy to reach, or from the operation itself.
A shallow pinch biopsy can miss a growth under the lining. We take deeper samples when needed, and tell the pathologist what we suspect. Read about tumours of the duodenum and ampulla to see what a scope can reach.
No blood test proves a small bowel cancer. They point to the type, and the tissue stains choose the treatment.
| Suspected type | Tests added |
|---|---|
| Adenocarcinoma | Iron tests, tissue stains for repair-gene faults (MSI), and HER2 |
| Neuroendocrine tumour | Chromogranin A, 24-hour urine 5-HIAA, a special PET scan, and a heart check before surgery |
| Lymphoma | LDH, tissue large enough for full typing, and a PET scan |
| GIST | Tissue gene test for KIT and PDGFRA |
Some results mislead. Acid-reducing tablets and kidney weakness can raise chromogranin A. Certain foods, such as banana and pineapple, raise the urine test. We plan the collection so the result is clean.
In India, gut tuberculosis can look just like a tumour on a scan. We test for both together before choosing an operation.
This step prevents a large cancer operation for tuberculosis, and a late operation for cancer treated as tuberculosis.
If a tumour first appears as a blockage, tear or bleed, one CT scan guides the operation, and full staging follows after recovery.
Earlier signs that bring people in are described in our post on small bowel cancer symptoms.
Bring every earlier scan, scope and blood report, and tell us about past tuberculosis, earlier operations and family cancers.
Read about how small bowel cancer is treated if a tumour has already been found.
A capsule can get stuck above a narrowing and turn a test into an emergency operation. A scan of the bowel shows any narrowing first. Only then do we use the capsule.
You drink a special fluid that fills the bowel, and then a scan is taken with contrast in the vein. It shows the bowel wall, the glands around it, the liver and the rest of the belly in one go.
No. These two scopes reach only the two ends of the gut. If your blood count is low in iron and both are normal, the next step is imaging of the small bowel, not a third scope of the same places.
A scan shows a lump, not what it is. The cell type decides the treatment, so tissue is needed. In India we also test the tissue for tuberculosis at the same time.
It is a test on the tissue that looks for a repair fault in the cancer cells. It helps decide whether newer drug treatment can work, and it can point to a family-level gene condition.
Yes. A long narrowing, swollen glands and a thick bowel wall can look the same. Tissue tests for tuberculosis are done together with tests for cancer so that the wrong operation is avoided.
A blood count with iron tests is done in everyone. If a hormone-type tumour is suspected, we add chromogranin A and a 24-hour urine test. For lymphoma, LDH is checked. No blood test alone proves a cancer.
For the full range of small bowel tumour care, start at the small bowel cancer treatment page. For questions before you travel, call +91-63555-64601.
Dr Harsh Shah — Dr. Jivraj Mehta Hospital, Vasna, Ahmedabad
Dr. Jivraj Mehta Hospital, Dr Jivraj Mehta Marg, Vasna, Ahmedabad 380007.
Consultations, review of reports and scans, operations and follow-up. OPD Monday to Saturday, 9 am to 5 pm.
Appointments: +91-63555-64601 · +91-63590-11009 · Hospital 079-2663 6363
Directions to the hospital · WhatsApp +91-63555-64601
Has a scan shown a thickened bowel, or are you still looking for the cause of low blood? Dr Harsh Shah will go through your reports, choose the right test in the right order, and explain what each result means. Bring every scan, scope and blood report. Call, or send a message on WhatsApp. Call +91-63555-64601 Ask on WhatsApp
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