Your Abdominal Ultrasound Report, Explained Line by Line
An abdominal ultrasound (USG) is often the first imaging test done for vague abdominal pain, elevated liver enzymes, or as part of a health check. The report follows a standard structure — every organ gets a paragraph — and most patients receive it without explanation. Reading it is not hard once you know what each organ's section is describing.
The organs a routine USG covers
- Organ: Liver · What's being described: Size, echogenicity, focal lesions · Common concerning finding: Fatty change, cyst, mass
- Organ: Gallbladder · What's being described: Wall thickness, stones, size · Common concerning finding: Stones, wall thickening
- Organ: Bile duct (CBD) · What's being described: Diameter · Common concerning finding: > 6 mm dilation
- Organ: Pancreas · What's being described: Head/body/tail visualisation · Common concerning finding: Often obscured by bowel gas
- Organ: Spleen · What's being described: Size, texture · Common concerning finding: Enlargement
- Organ: Kidneys · What's being described: Size, cortex, calyces, stones · Common concerning finding: Stones, cysts, hydronephrosis
- Organ: Urinary bladder · What's being described: Wall, contents · Common concerning finding: Wall thickening, mass
- Organ: Aorta · What's being described: Diameter (elderly patients) · Common concerning finding: Aneurysm
The specific phrases and what they mean
- 'Increased echogenicity' of liver → fatty liver.
- 'Simple cyst' in liver or kidney → almost always benign, needs no follow-up unless changing.
- 'Cholelithiasis' → gallstones.
- 'Cholecystitis' → gallbladder inflammation, usually needs urgent care.
- 'Nephrolithiasis' → kidney stones.
- 'Hydronephrosis' → dilation of kidney; something blocking urine flow (stone, mass).
- 'Splenomegaly' → enlarged spleen; needs blood work to find cause.
- 'Aortic aneurysm' → widened aorta; specialist follow-up depending on size.
Common findings that are usually benign
- Small simple hepatic or renal cyst.
- 'Mild fatty liver' — reversible with weight loss.
- Small (< 5mm) kidney stone with no obstruction.
- 'Hemangioma' in liver — a common benign vascular mark, usually stable.
- Slightly enlarged spleen without other findings.
Findings that need follow-up
- Any solid mass in any organ.
- Gallstones with symptoms.
- Any hydronephrosis.
- Aortic aneurysm > 3 cm.
- Complex renal or hepatic cysts.
- Persistent unexplained ascites (fluid in abdomen).
The limits of ultrasound
Ultrasound cannot penetrate bone or gas well. The pancreas is often 'not adequately visualised due to bowel gas' — this is not the sonographer's failure; it is a limit of the technology. Retroperitoneal masses, small bowel pathology, and pelvis in obese patients often need CT or MRI to see clearly. A 'normal abdominal USG' does not rule out all abdominal disease — it rules out the specific things USG can see.
For any finding you don't understand, ask the referring doctor to interpret it in the context of your specific complaints. USG findings in isolation can be misleading; combined with the clinical picture, they are usually clear.
References
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General information, not medical advice. Always talk to a qualified doctor about your own care. Where this and your doctor disagree, your doctor is right.