Doctor insights on:
Can A Hida Scan Be Wrong
Patient is injected intravenously with isotope tagged to chemical hida that is extracted preferentially by liver cells mimicking bile. Some of this is stored in gall bladder and some enters small bowel from common bile duct. Cholecystokinin is a natural hormone slowly injected intravenously to stimulate gall bladder contraction. Normal function has at least 50% ...Read more
What happens if you have an MRI scan for headaches and it reveals nothing, could a cat scan reveal something?
CT/MRI: They form images based on different physical properties, so certain things may be better delineated on one or the other. CT generally has better spatial resolution, MRI better soft tissue contrast. They are subject to different types of artifacts, which might obscure something on one, but not the other. ...Read more
Could a head CT without contrast show inflamed blood vessel? I know an MRI would be better for this but could CT catch it too?
Depends: Gastritis is mostly a clinical diagnosis. CT alone cannot diagnose gastritis. It can show apparent thickening of the stomach wall which may be normal or may represent gastritis or something else. Speak to your doctor to find out if your symptoms are consistent with gastritis. Usually treatment is straightforward. ...Read more
Had a chest CT scan for breathing issues which was normal. Would you be able to see an enlarged right heart on a CT scan? I can see the heart.
A variety: of anatomic, inflammatory, neoplastic, metabolic, functional abnormalities. The question is to broad to adequately answer. Do you have a specific symptom or concern? ...Read more
Anonymous: Your medical record is confidential, other than regulatory/legal requirements, can't be released without your consent.It would be a violation of ethics and federal law. At my hospital, it is grounds for immediate termination. A legit facility won't scan you anonymously. If your doctor wants you to have a scan, if you can, go one town over where you are not known, if you are not comfortable local. ...Read moreSee 1 more doctor answer
If doctors order a CT scan after a normal ultrasound, what is the chance that the CT scan will not be normal?
It depends: Most of the time the ct will be normal or may have some incidental findings not related to the original symptoms. ...Read more
Not usually: Bobcat: a kidney stone shows up on the ct scan as a bright white spot and the density is measured to insure that it is a calcium deposit/stone. A mass/tumor can have calcifications in it, but the mass would typically be seen and not just the calcium. It may also matter whether you ct was done with and without contrast injection to be sure the stone is not obstructing the urinary tract. ...Read moreSee 1 more doctor answer
Several things: It looks for abnormalities of bowel/solid organs, enlarged lymph nodes, kidney stones, possible areas of infection, artery/vein abnormalities, abdomen/pelvic fluid collections, uterus/ovaries/bladder, and all the surrounding muscles and bones. List of possibilities is too long to give here. ...Read more
What would an abdominal CT scan show that would not be seen on ultrasound of the liver/gallbladder/pancreas? My ultrasound was normal & doc wants ct.
More: The ct looks at more things in a different way than the us. Depending on your symptoms, it is just another way to evaluate for the cause of your problems. ...Read more
Is it possible to have a normal negative CT scan yet still have lymphoma or will the CT scan determine some abnormality which then leads to a biopsy?
Yes to both.: You can have an indolent lymphoma - abnormal immune cells in the lymphatic system - but in such a stage that the lymph glands aren't yet (or won't be) enlarged. The CT scan only points out glands that are enlarged or suspicious in the region that was scanned (an enlarged gland in the neck will not show up on a CT scan of the chest). Without an abnormal/enlarged gland, there's nothing to biopsy ...Read more
Many things: Liver function, bile ducts, gall bladder, and bowel.Hida mimics bile excretion in body.Obstructions to duct of gall bladder, main bile duct, spasm of sphincter where bile duct enters duodenum.Cystic dilatations or outpouchings of common bile duct called choledochal cysts.In infants, lack of bile ducts or biliary atresia. Sometimes bowel obstruction or malrotation.Duodenogastric reflux/bile gastritis. ...Read moreSee 1 more doctor answer
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