Doctor insights on:
Pituitary Mri With Contrast
Mri or magnetic resonance imaging is one of the more recently developed imaging modalities available to physicians. It uses powerful magnets to generate images. There is no ionizing radiation which is a major advantage over many other modalities. Mri is the best imaging exam that we have for most soft tissue and joint related problems. There are radiologists ...Read more
Maybe: Mri's are very focused exams. To get the best quality imaging of the area of interest, the field of view is limited as much as possible. The trachea may have been included, but not necessarily. You should speak with your doctor or the radiologist that read the study and ask them to look at the trachea. If it is seen, they can answer your question and if not they can recommend another test. ...Read more
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
Only if large enough: MRI with contrast has a resolution limit of about 5 mm, depending on the field strength of the magnet & the spin sequence performed (resolution of time-of-flight MRI or TOF-MRI is even worse). The "gold standard" for an aneurysm is a fluoroscopic angiogram of the brain, which only interventional neurologists or radiologists perform 4 (1) known stroke or (2) genetics. Use HealthTap Prime to discuss ...Read more
CT Brain mass prepontine cistern CPA meningioma. Symptoms consistent with diagnosis. MRI contras normal. Symptoms still persist. Any advise?
Either: Either a ct with and without contrast or an mr exam seem treasonable approaches. I may slightly favor the mr exam. ...Read more
Yes: Most pituitary tumors are "microadenomas", meaning that they are less than 1 CM in size. Mris done specifically to look for a pituitary tumor are very good at detecting tumors near 1 CM in size, and identify about 50% of tumors in the 0.3 CM size range, and would miss most tumors smaller than this. ...Read moreSee 2 more doctor answers
CT Brain shows mass prepontine cistern CPA meningioma. Symptoms consistent with diagnosis. MRI contrast show no lesion. Symptoms persist! Now what?
Very strange: Not certain what to make of the disparity between the CT scan and the MRI. In some cases, a lesion is so small that it is missed by the artifact created by the thickness of the MRI slices. I would ask your doctor if an MRI of the brainstem with "thin slices" might be reasonable to confirm/refute the CT--with and without contrast. Take care and stay healthy! ...Read more
NO: Mri is an imaging device that is independent of function. Think of your car mechanic and a problem with your car. Lifting the hood and looking is like getting an mri. A good mechanic will want to turn it on and drive around and think carefully about what may be wrong. A good brain mechanic will ask appropriate questions and get appropriate tests and think about what may be wrong. ...Read more
No: Imaging studies do not show "everything". For good health - Have a diet rich in fresh vegetables, fruits, whole grains, milk and milk products, nuts, beans, legumes, lentils and small amounts of lean meats. Avoid saturated fats. Drink enough water daily, so that your urine is mostly colorless. Exercise at least 150 minutes/week and increase the intensity of exercise gradually. Do not use tobacco, alcohol, weed or street drugs in any form. Practice safe sex. Get HPV vaccine. ...Read more
No contrast CT showed ill defined hypodense area on hepatic lobe. Ordered new CT w contrast w liver mass protocol not hemangioma protocol concerning?
Get iv contrast CT: There are many reasons to have a liver mass, more often than not, they are benign, but clearly depending on past medical history, It is difficult without contrast to differentiate these lesions, there are various ways to give intravenous contrast. A hemangioma protocol is also known as a triphasic study, allows one to look at three phases of liver perfusion but more complex to do. ...Read more
See answer: Yes.Get a more detailed answer ›
Non contrast MRI was clear. No tumor or other issues found. Should I request an MRI with contrast or would the non contrast show issues?
Whi MRI in first pal: You need to tell us about your general condition as to why was the MRI done in the first place? Contrast is often used but it only enhances to show a lesion better. Most serious abnormalities will show up on MRI even without the use of contrast. Yet if your symptoms persist, a repeat MRI with Contrast may be necessary. What was your main symptom to do a MRI??? ...Read more
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