Doctor insights on:
Is a CT scan without ivp dye as accurate as a CT scan with ivp dye of the abdomen? I have anaphylaxis to the dye.
See answer: Contrast (dye) adds additional characterization of soft tissues, vascular structures, and the urinary collecting system. Ct with contrast (if your dr. Feels the risks of a prophylactic steroid prep and a hospital based exam outweigh the risks) is an option or more safely, consider MRI or possibly an ultrasound. ...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
Anaphylactic shock in 1987 from ivp dye for ct. Now need CT w/ contrast. 1 dr says i can have it because dye is different. Other dr says no. Thoughts?
IV contrast allergy: There are two basic types of dye used: ionic high-osmolality contrast media (hocm) and non-ionic low-osmolality contrast media (locm). Locm has become the preferred form of IV dye in recent years, given its better safety record. If you had hocm before, you may be ok with locm. You need to figure out what you had before and then proceed with caution. ...Read moreSee 1 more doctor answer
Quite different: Ct involves xray type radiation with cross sectional imaging in transaxial, sagittal, and coronal projections. Nuclear medicine, internal irradiation either injected intravenously, inhaled, ingested, injected subcutaneously.Ivp uses injection of contrast material for visualization of kidneys and bladder with x-ray. Mr imaging uses no ionizing radiation magnetic fields to generate x-sectional images. ...Read more
Is a re CT scan appropriate for 3.4mm stone in right proximal uteter of horshoe kidney? Mild achy pain to right side for 8 months. Ivp was normal.
Yes: The dye used for an ivp can be harmful to the kidney; the risk for harm is greater if you have reduced kidney function or diabetes. If there is any concern that you have actual kidney disease, your level of kidney function should be evaluated by checking the creatinine level in your blood. Ultrasound or noncon ct may provide similar information without contrast dye. ...Read more