Gallbladder Adenomyomatosis: Types, Symptoms, and Management
Updated: 2 days ago
Medically reviewed by Dr. Baraa Alnahhal, MD · Last reviewed: October 2026
Source currency note: This guide reflects medical information reviewed in February 2026. Always confirm current guidance with your healthcare professional.
Quick Answer: What is gallbladder adenomyomatosis?
Gallbladder adenomyomatosis is a noncancerous condition in which parts of the gallbladder wall thicken as tiny pouches form in the lining and fill with bile or cholesterol crystals, creating a comet-tail pattern on imaging. It often causes no symptoms. It is not serious and may resolve on its own; if symptoms persist or worsen, gallbladder removal resolves them. [4]
What the research says
Adenomyomatosis is benign, fairly common in removed gallbladders, and usually curable with surgery when it causes symptoms. A review in the Journal of Visceral Surgery estimates that it is found in 1% to 9% of gallbladders removed at surgery, with a balanced sex ratio and rising incidence after age 50. Symptomatic cases are an indication for cholecystectomy, which completely resolves symptoms, while asymptomatic cases are not an indication for surgery as long as the diagnosis is certain (Golse et al., Journal of Visceral Surgery, 2017).
Whether adenomyomatosis raises cancer risk is unresolved, so doubtful cases are handled carefully. A 2013 mini-review notes that some reports suggest a possible cancer risk, but a link to malignancy has not been demonstrated and the disease is still classed as benign. Cholecystectomy is advised for symptomatic patients and when the diagnosis is doubtful, while a wait-and-see approach is a viable option for selected asymptomatic patients with a low-risk pattern who keep scheduled follow-up (Pellino et al., Hepatobiliary & Pancreatic Diseases International, 2013).
Classic imaging confirms benignity, but look-alikes exist. A 2023 imaging review explains that the classic appearances of adenomyomatosis confirm it is benign, but it can be hard to tell apart from other gallbladder conditions that do require surgery, so careful multimodality imaging matters (Bonde et al., Clinical Imaging, 2023).
Understanding Gallbladder Adenomyomatosis
Gallbladder adenomyomatosis is a noncancerous (benign) condition in which the inner lining of the gallbladder wall is thicker than usual. The gallbladder is a small, pear-shaped organ under the liver that stores bile, a fluid that helps you digest food. In this condition, tiny pouches called Rokitansky-Aschoff sinuses form in the lining. They contain bile or cholesterol crystals, and when they fill up, parts of the gallbladder wall become thick.
The condition may not cause any symptoms. Many people learn they have it only when they have imaging tests for another reason, such as a routine CT scan.
Feature | Description |
Nature | Benign (noncancerous) |
Main change | Thickening of the inner gallbladder wall |
Key structures | Rokitansky-Aschoff sinuses (small pouches) |
Imaging sign | “Comet tail” pattern |
Associated risk | Higher risk of gallstones and gallbladder inflammation |
Types of Adenomyomatosis
The three types are named for the part of the gallbladder that is affected.
Fundal: the thickened section is in the large end (fundus) of the gallbladder.
Segmental: the top and bottom sections of the gallbladder wall are thicker than usual, which makes the inside of the gallbladder look like an hourglass.
Diffuse: thickened sections and cysts are spread throughout the gallbladder.
Symptoms and Potential Causes
Symptoms
Many people have no symptoms. When symptoms do occur, they can look like other gallbladder problems and include:
Abdominal pain: in the center or upper right section of the belly.
Indigestion: especially after eating fatty food.
Nausea and vomiting.
Theories about the cause
Experts don't know the exact cause. Two main theories exist:
Theory | Idea |
Bile storage theory | The condition is linked to the way the gallbladder makes and stores bile |
Inflammation theory | Chronic inflammation of the gallbladder may lead to the condition |
Diagnosis and Clinical Testing
A healthcare provider will do a physical exam and ask about changes you have noticed, such as belly pain that comes and goes. Because the condition is often silent, imaging is how it is identified. A radiologist looks for Rokitansky-Aschoff sinuses in the gallbladder wall.
Abdominal ultrasound: the most common first test, which can show the characteristic comet tail pattern.
CT scan: gives cross-sectional views of the gallbladder wall.
MRI scan: provides detailed images that help your care team tell adenomyomatosis from other gallbladder conditions.
Management and Treatment
Gallbladder adenomyomatosis isn't a serious problem and may go away on its own. You may not need treatment unless symptoms continue or get worse.
Surgical treatment
If symptoms persist or worsen, a surgeon may remove the gallbladder (cholecystectomy). Most surgeons use a laparoscopic approach, which is minimally invasive: the surgeon makes several small incisions and uses small tools to remove the gallbladder. Recovery from laparoscopic gallbladder surgery takes about two weeks, and symptoms go away after the gallbladder is removed.
After surgery: when to contact your surgeon
Fever higher than 101°F (38°C)
Creamy or yellow, bad-smelling discharge from an incision, or pain when you touch it
Dark-colored urine or stool
Pain that doesn't get better with the medication your provider recommends
Nausea and vomiting
A yellowish tint to your skin and the whites of your eyes
When to See a Healthcare Provider
Talk to a provider if you have nausea and vomiting or pain in your upper right belly. Many conditions cause these symptoms, and some are more serious than others. In general, contact a provider if you have gut problems that last more than two weeks [4].
Conclusion
Gallbladder adenomyomatosis has a serious-sounding name, but it is a benign condition that often needs nothing more than observation. If you have ongoing indigestion, pain, or nausea, removing the gallbladder relieves symptoms and recovery is relatively short.
Next step: If you have persistent abdominal pain or indigestion lasting more than two weeks, see a healthcare provider. Imaging can confirm the diagnosis, rule out other conditions, and guide a management plan.
Frequently Asked Questions
What is the “comet tail” sign in gallbladder adenomyomatosis?
The comet tail is a distinctive pattern seen on imaging, especially ultrasound, that is created by the tiny pouches (Rokitansky-Aschoff sinuses) in the gallbladder wall, which contain bile or cholesterol crystals. It looks like the tail of a comet.
Is gallbladder adenomyomatosis a form of cancer?
No. It is a benign (noncancerous) condition. The pouches can look like tumors on scans, which is why imaging is used to tell the two apart, and your provider may want further tests if the picture is unclear.
Can I live without a gallbladder if I need surgery?
Yes. Your liver keeps making bile, and the bile flows directly into the small intestine to help digest food instead of being stored in the gallbladder first. Most people do not have significant long-term digestive problems.
What are Rokitansky-Aschoff sinuses?
Rokitansky-Aschoff sinuses are tiny pouches in the inner lining of the gallbladder. In adenomyomatosis they contain bile or cholesterol crystals, and when they fill up, parts of the gallbladder wall become thick.
Does this condition increase the risk of gallstones?
Yes. Having gallbladder adenomyomatosis increases your risk of gallstones or gallbladder inflammation.
What is fundal adenomyomatosis?
Fundal adenomyomatosis is the type in which the thickened section is in the fundus, the large end of the gallbladder.
How long does it take to recover from gallbladder surgery?
It takes about two weeks to recover from laparoscopic gallbladder surgery, which is minimally invasive and uses several small incisions.
Can gallbladder adenomyomatosis go away on its own?
Gallbladder adenomyomatosis may. The condition isn't considered serious, and you may not need treatment unless symptoms continue or get worse.
What should I eat if I have gallbladder adenomyomatosis?
Because symptoms such as indigestion often follow fatty meals, some people find that eating less fat helps. Ask your provider for dietary advice that fits your symptoms.
What are the symptoms of gallbladder adenomyomatosis?
Many people have no symptoms. When symptoms happen, they can include upper right or middle belly pain, indigestion after fatty meals, nausea and vomiting. Get urgent care for severe belly pain, fever or yellow skin or eyes.
Related Reading
Gallbladder Polyps: Types, Symptoms, and Management explains other gallbladder wall growths and when they need surgery.
Cholecystectomy (Gallbladder Removal): Surgery, Recovery and Risks describes gallbladder removal surgery, recovery and risks.
Gallbladder Cancer: Symptoms, Diagnosis, Staging, Treatment and Support explains gallbladder cancer symptoms, diagnosis and treatment.
Gallbladder Disease: Symptoms, Causes, Diagnosis, Treatment and Outlook — What You Need to Know covers common gallbladder problems, from gallstones to inflammation.
References
Golse N, Lewin M, Rode A, et al. Gallbladder adenomyomatosis: diagnosis and management. Journal of Visceral Surgery. 2017;154(5):345-353. PMID 28844704. https://doi.org/10.1016/j.jviscsurg.2017.06.004
Pellino G, Sciaudone G, Candilio G, et al. Stepwise approach and surgery for gallbladder adenomyomatosis: a mini-review. Hepatobiliary & Pancreatic Diseases International. 2013;12(2):136-142. PMID 23558066. https://doi.org/10.1016/s1499-3872(13)60022-3
Bonde AA, Virarkar M, Zahid M, et al. Imaging update on gallbladder adenomyomatosis and its mimics. Clinical Imaging. 2023;105:109997. PMID 37989017. https://doi.org/10.1016/j.clinimag.2023.109997
Cleveland Clinic. Gallbladder adenomyomatosis. Cleveland Clinic. February 2, 2026. https://my.clevelandclinic.org/health/diseases/gallbladder-adenomyomatosis
Medical disclaimer
This article was prepared for general information only and is not a substitute for professional medical advice.
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