Doctor insights on:
Ct Scan With Contrast Vs Without Contrast
Either: I usually do them without so I don't expose the patient to the contrast, which can injure kidneys. However, if the tumor is close to the mediastinum, I usually do order it with contrast because it's often difficult to tell the various structures apart without it. It also helps to identify lymph nodes. ...Read more
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
less accurate: While there is controversy about the liberal use of ct scans for the diagnosis of appendicits, it does increase accuracy of diagnosis. There are several parameters on ct scan that are used to diagnose or exclude appendicitis: visualization of the appendix, free fluid around the appendix, blurred fat or fat stranding around the base of the appendix and free air in the area of the appendix. ...Read more
Yes: It depends on what you are looking for. CT scans without contrast are very good at evaluating for kidney stones, evaluating lung nodules, looking at the spine and bones and looking for acute bleeding in the brain. Contrast is better when looking at the solid organs of the abdomen, looking for infections and looking for tumors. Ask your doctor. ...Read moreSee 1 more doctor answer
Not same: Mri contast gadolinium does not contain iodine while ct contrast contains iodine. An allergic reaction to ct contrast does not mean that you will have a reaction to gadolinium during your MRI scan. True allergies to the MRI contrast are exrtremely rare; however, you may still experience some symptoms like feeling lightheaded or nauseated due to the injection. Good luck with the exam! ...Read more
Not really!: The CT will show spasm or edema ( swelling of the bowel wall) but you need something such as endoscopic studies to rule out any inflammatory disease which is a serious health issue, unlike that of irritable bowel which is also painful but not progress in most cases. ...Read moreSee 1 more doctor answer
What's difference between High HD Contrast CT scan vs Normal Chest CT with contrast evaluating interstitial lung markings?
Different chest CTs: High resolution chest CT usually with out intravenous contrast is used to define interstitial lung disease pattern, whether diffuse or localized process. CT of chest examination with contrast intravenously usually looking for tumors or metastases and acute infection in the lungs. ...Read more
It depends: what kind of CT is being performed and for what purpose. for certain indications, adding contrast offers no significant diagnostic benefit. For other indications, contrast is essential and the diagnosis cannot be made without it. What kind of CT are you talking about, and what is your doctor looking for? ...Read more
Several things: Can be seen on ct scan. The oral contrast helps deliniate some of the intestinal findings. Other organs are also seen such as liver, pancreas, gallbladder, aorta, lymph nodes, kidneys, urinary bladder, uterus or prostate, vertebral column, etc. Some structures are seen better than others. ...Read moreSee 1 more doctor answer
No: Iv contrast is often not used when the ct is for the purpose of looking for renal stones and in people with a history of contrast allergy or renal disease. It is often helpful in assessing persons with nonspecific abdominal symptoms as it will better show areas of inflammation, infection, and tumor. ...Read moreSee 1 more doctor answer
Many things.: It can detect many conditions. Ct is particulaly good at detecting bleeding in the acute setting and hydrocephalus, and some masses. It's not nearly as good as MRI for looking at small structures and white matter disease. Both ct and MRI are usually more sensetive and specific when contrast is given. ...Read more
Yes, ...: Megacolon is suspected in patients with constipation of very long duration, abdominal bloating +/- pain, palpable fecal mass; this is chronic. At times, it can be acute & toxic. Imaging studies of CT scan with/without contrast + barium sulfate confirmed the diagnosis. For future events of health concern, follow the instruction in articles listed in http://www.formefirst.com/onDealSickness.html. ...Read more
Does a contrast CT scan to view my kidney include both IV and oral contrast? Is this an abdominal CT scan or just renal/urinary?
Depends: It depends on what the doctor has ordered and is looking for. No contrast will be used typically if the doctor is looking for kidney stones. If they are looking and the tissue of the kidneys directly, IV contrast will be used. Generally oral contrast is not used when looking for kidney pathology. Your scan will also show the neighboring abdominal organs. ...Read moreSee 1 more doctor answer
Used to see organs: CT scans may be done with or without "contrast." Contrast refers to a substance taken by mouth or injected into an intravenous (IV) line that causes the particular organ or tissue under study to be seen more clearly. ...Read more
Could a CT scan with contrast affect a estrogen test the following day? Could it cause it to be low
Not likely: Estrogen levels fluctuate depending on where you are in your menstrual cycle. If your estrogen was very low (in the menopausal range) your fsh level should generally be high. If your fsh was not checked, or it was checked and was nomal, i would just consider asking to have your estrogen level retested. ...Read more
Is it rare to have to take a second CT scan with contrast because the contrast did not reach the lower left quadrant?
This is common.: When you drink contrast for a CT scan, it may take a long time for your intestines to get the contrast from the stomach to the rectum. Typically, CT scans are done 1 hour after you've begun drinking. This can be enough time to fill most of the bowel, but not all of it. Radiologist may request a 2nd scan if there is some question about the colon that wasn't answered on the 1st scan. ...Read more
I have a CT scan with contrast they told me not to eat or drink 4 hours before. But i forgot and i ate. What will happen?
Likely nothing: The old protocols for a ct scan with contrast stated that there should be nothing by mouth 4 hours prior to the study. The rationale was to prevent vomiting thought to be caused by the intravenous contrast. The contrast agents currently used have very little likelihood of causing vomiting, so most centers will now allow you to drink clear liquids prior to the study. Still best to avoid solids. ...Read more
How long doez it take for results of CT scan with contrast. I had it Friday am. No results so far. Saw something on liver?
Commonly : It may take several days for an imaging study to be read, if it was ordered "STAT". In many cases, a study completed on Friday, particular if completed late in the day won't be read until sometime on Monday. If you are worried, please consider contact your the ordering physician's office in regards to the results. Best of luck. ...Read more
I have a CT scan with contrast and i was not supposed to take metformin for 48 hours but i accidentally took 1 yesterday morning will i be okay?
Likely - see ans.: You likely will be fine – that said, the theoretical concern is that iodinated contrast could impair renal function and therefore you could not appropriately excrete the meformin /metabolites causing an extremely unusual condition of lactic acidosis. The american college of radiology recommends the following based on your clinical category (you should discuss with your dr.): category i in patient. ...Read moreSee 1 more doctor answer
Just had a CT scan with contrast dye for my shoulder two day ago , since then i m getting pains on my left and right lower side that comes and goes?
Likely unrelated : Ask your doctor to check your kidney function if you need reassurance. The contrast material used for ct is quite safe but may in rare instances affect the kidneys, more commonly in diabetic patients. Most radiology facilities screen patients prior to the exam to insure the safety of using the contrast media. ...Read more
CT will show mucus: in your sinuses if it's there, as in a sinusitis infection. It is not good at showing phlegm in your throat, however. If you cough up phlegm, then you have phlegm! ;-) CT can show some serious reasons for headache such as bleeding or tumor, but most people with headache have a completely normal head CT. We can only see disease, not the headache itself. ...Read more
This is a contrast: Reaction. Notify your doctor. Take Benadryl (diphenhydramine) as directed for the rash. Must tell the technologist or doctor before you ever get dye again or you can have a severe reaction. Will need to be premedicated if you are to get dye again. ...Read moreSee 1 more doctor answer
Ct scan with contrast saw soft tissue mass next to bladder. mri with contrast saw nothing. why is this?
CT vs MRI: They "see" different things differently. Discuss with your team. ...Read more
My dr. Has ordered a CT scan with contrast for the cervical and thoraicic area. Does this involve a spinal tap?
No: They will give you an IV contrast material; spinal taps are not usually a part of this procedure. Sometimes a ct myelogram will be performed by a neurosurgeon and they will inject into the spinal canal. If your not doing a myelogram then there is nothing worry about a spinal tap. ...Read moreSee 1 more doctor answer
I have multiple liver masses with hyper dense margins on CT scan with contrast. Is it possible that they are benign?
Unlikely: Unfortunately Mr Johns, with multiple masses there is a high chance that this is not a benign process I'm afraid. An MRI with liver protocol (MRCP) or 2 phase contrast study may be necessary, as well as a biopsies to determine the etiology. I wish you luck! SA ...Read moreSee 1 more doctor answer
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