Abdominal imaging
Ultrasound, CT and MRI each answer different questions and have different limitations. The best choice depends on what your doctor needs to find out—not on one test being universally “better”.
Abdominal ultrasound
Sound waves produce real-time images of abdominal organs without ionising radiation. Ultrasound is usually the first test when gallbladder stones are suspected.
Bowel gas, body habitus and the area being examined can limit the view. For some deep structures it may show less anatomical detail or a narrower field of view than CT or MRI; it is not simply lower-resolution for every organ.
CT scan
A CT scan uses X-rays to create cross-sectional views of the abdomen. It is relatively quick and surveys a wide area; some scans require an injected contrast agent.
CT involves radiation and can miss some gallbladder stones, particularly stones with a density similar to bile. A CT report showing no stones does not always exclude gallstones.
MRI / MRCP
MRI uses a magnetic field and radio waves to show soft tissues without ionising radiation. MRCP is an MRI technique focused on the bile and pancreatic ducts.
It generally takes longer. Metal implants, cardiac devices or metal fragments require safety screening: some are incompatible, while others are safe only under specific “MR-conditional” conditions.
Professional references
Contact the practice
Consultations and endoscopy are by appointment, Monday to Saturday. Phone lines may be busy; please contact the nurses via WhatsApp where possible.
Personalised clinical advice depends on an individual assessment.
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