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What Does the Size of Your Gallstone Mean?

Gallstones are very common in the general population and gallbladder surgery is one of the most frequently performed general surgical procedures in the United States. When gallstones become symptomatic, causing what is often referred to as a gallstone “attack,” the most reliable form of treatment is removal of the entire gallbladder.

When patients first start experiencing gallstone pain, they are usually referred to an imaging center for a comprehensive abdominal ultrasound, both to confirm the presence of a gallstone or gallbladder disease and rule out any other abdominal conditions. The report we receive from the imaging typically states the size of the gallstone. So, what exactly does the size of the stone tell us?


What Is a Normal Size Gallstone?

The answer is that there is no normal size when it comes to gallstones. Some patients have anywhere from a few to hundreds of tiny gallstones. Other patients will have a single gallstone as large as 5 cm, although a gallstone of this size is rare.

When We Treat Gallstones

Not everyone with gallstones will become symptomatic. Approximately 10 to 20% of those with gallstones ever experience symptoms. Others may experience a single attack, typically mistaking it for food poisoning or other digestive issues, and never have another. However, typically, after the first attack, the chances of a subsequent attack increase dramatically. These subsequent attacks may come frequently or infrequently.

Ultimately, no matter what the size of the stone, it is important that symptomatic stones are treated early because they can lead to more serious complications of gallbladder disease. Patients who have their gallbladder removed electively, tend to have fewer complications and a shorter recovery.

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