Doctor insights on:
Does A Ct Or Ultrasound Always Show Kidney Stones
No: Ct and ultrasound does not "always" show kidney stones. The resolution may not be sensitive enough to see very small stones less than 2 to 3 mm. Depending on the thickness of the images on the ct scan, a stone may be potentially missed between the images taken by the ct scanner. Ultrasound may also over-read or miss very small stones as well. Overall though, the detection rate is still very hi. ...Read moreSee 1 more doctor answer
An ultraound, also known as a sonogram, is a painless and relatively inexpensive imaging test that utilizes sound waves instead of ionizing radiation. There are no side effects. Ultrasound can give us two-dimensional, and in some applications three-dimensional, images of structures and organs in virtually any part of the body. In addition to diagnostic uses, such as evaluating abnormalities in the abdomen, pelvis, and breast, ultrasounds are commonly used to guide needle and catheter placement in a variety of surgical ...Read more
It it possible for kidney stones to show up on ultrasound and not of CT scan if so what kind of stones would they be (uric acid)?
Blood in urine reoccuing UTI CT scan 3mm kidney stone bladder ultra sound scan shows bladder not emptying proper what could this be?
Cystitis.: Gross hematuria probably as a result of cystitis caused by the bladder outlet narrowing or stenosis and not because of the kidney stone. By drinking more water like 8 cups a day you can pass the kidney stone. For the cystitis you need urine culture . Until the culture result comes back you can be put on an antibiotic such as cipro (ciprofloxacin) to stop the gross hematuria. ...Read more
Hi dr! i want to ask.. is it possible that a kidney stones was seen in ultrasound but can't be seen in ct scan with contrast?
Yes, because: it had probably passed in the meantime. Small stones generally pass. Most important for you is to prevent recurrence of stones. ...Read more
Urologist ordered CAT bc blood in urine and an earlier ultrasound that showed 4 kidney stones. What body parts will show up in the CAT scan?
Abdomen and pelvis: The CT scan ordered when a patient has blood in the urine is of the abdomen and pelvis. It will show the kidneys, ureters, bladder and will also incidentally show the liver, lower lobes of lungs and spleen. Normally contrast is given intravenously when checking on urinary bleeding. Best wishes. ...Read moreSee 1 more doctor answer
Ultrasound only fair: Ultrasound detected about a quarter of all stones seen on ct. Stones smaller than 4 mm were not well seen on ultrasound. Mean size of stones seen with ultrasound was about 7 mm. Main advantage of the ultrasound is the absence of radiation exposure. If you are of thin build, the ultrasound may be somewhat more sensitive. ...Read moreSee 1 more doctor answer
Would it be weird if I passed up a CT scan and requested a sonogram instead to check for kidney stones?
Not necessarily...: Ct is the most sensitive test to look for kidney stones. Very small stones or stones outside the kidney (i.e., in the ureters or pelvis) can be missed by ultrasound. If worried about radiation, there is a low dose protocol for ct that can be used to look for stones. The amount of radiation exposure for low dose ct is about the same as a plain x-ray. Ask the imaging center if they perform this. ...Read moreSee 2 more doctor answers
Micro blood urine weeing about 4 times a night ultra sound CT culture fine 3mm kidney stone left kidney?
Urologist suggests CT scan after xray and sonogram suggest kidney stones, but he saw only "shadow." Is CT scan necessary to confirm stones? No pain.
CT scans are: more accurate than ultrasound for diagnosis of kidney stones and other anatomical abnormalities of kidneys such as tumors. If you are having painless hematuria, this condition raises suspicion of possible tumor in urinary tract. ...Read more
Went to ER knowing was kidney stones X-ray Im fine. Since had ultra sound and ct w/cont now have fractured ribs? How can this be? No fall/blow to ribs
Need more info...: Why & when did you go to ER for x-ray? What is the interval between x-ray & US+CT? ... More in history? Besides, finding of physical exam is needed. How to unveil the puzzle inside your clinical profile? Follow instructions/ steps described in http://formefirst.com/eNewsletter06.html; thereby you can surely work with doc to deduce right diagnosis for right care. Best ... ...Read moreSee 1 more doctor answer
Ct uses xrays taken an 360 degrees combined with a computer to see"inside" the body. The table moves as the xray tube and detectors spin around the patient 10 times a second or more! the image shows excellent soft tissue detail, enhanced with injection of intravenous contrast or oral contrast. This way the body is shown in slices, in any plane, usually axially, but ...Read more
Seriously- renal stones are the result of postive and negatively charged particles in urine binding together and precipitating as solids- most frequently as calcium- oxalate. This happens most often when the urine is concentrated- ie when you are dehydrated. And trying to pass these stones from the kidney to the bladder is incredibly painful. ...Read more
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