Zollinger-Ellison Syndrome: What You Need to Know
If you’ve heard of Zollinger‑Ellison syndrome (ZES) but aren’t sure what it really means, you’re in the right spot. It’s a rare condition where a small tumor in your pancreas or duodenum makes way too much gastrin, a hormone that tells your stomach to pump acid. That extra acid can burn through the lining of your stomach and small intestine, leading to painful ulcers.
Typical Signs and Symptoms
The first clue is usually recurring stomach pain that doesn’t get better with over‑the‑counter antacids. Many people also notice:
- Heartburn that’s worse after meals
- Nausea or vomiting, sometimes with blood
- Unexplained weight loss
- Diarrhea that can be frequent and greasy
- Bleeding ulcers seen on an endoscopy
If you have a combination of these symptoms, especially if they keep coming back despite treatment, it’s worth asking your doctor about ZES.
How Doctors Diagnose It
The diagnostic process starts with blood tests. Elevated gastrin levels, especially after fasting, raise suspicion. Your doctor may then order an secretin stimulation test, which checks how gastrin reacts to a hormone called secretin – a pattern typical for ZES.
Imaging is the next step. A CT scan, MRI, or endoscopic ultrasound helps locate the tiny tumor (called a gastrinoma). In many cases the tumor is less than 2 cm, so high‑resolution imaging is key.
Treatment Options That Work
Once ZES is confirmed, the goal is twofold: control acid production and remove or shrink the tumor. For acid control, doctors usually prescribe high‑dose proton pump inhibitors (PPIs) like omeprazole. These drugs can keep stomach acidity in check for most patients.
If the tumor is operable, surgery to remove it offers the best chance of a cure. When surgery isn’t possible, targeted therapies such as somatostatin analogs (e.g., octreotide) or chemotherapy may be used to slow tumor growth.
Regular follow‑up is essential because ZES can recur or spread over time. Annual endoscopies and periodic gastrin level checks help catch any changes early.
Lifestyle Tips to Reduce Discomfort
Even with medication, some habits can make symptoms worse. Try eating smaller meals throughout the day, avoid spicy or acidic foods, and limit alcohol and caffeine. Staying upright for at least an hour after eating also helps keep acid where it belongs.
Bottom Line
Zollinger‑Ellison syndrome is rare but manageable. Recognizing the pattern of persistent ulcers, high gastrin levels, and uncontrolled heartburn can lead to a quick diagnosis. With PPIs, possible surgery, and careful monitoring, most people keep their symptoms under control and live normal lives.