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Doctor insights on: Ct Thoracic Spine Without Contrast

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Can cervical spine MRI or full spinal MRI with contrast detect tracea or windpipe tumours?

Can cervical spine MRI or full spinal MRI with contrast detect tracea or windpipe tumours?

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

Dr. Gregory Moneta
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Computed Tomography (Definition)

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


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Can lumbar spine Mri without dye detect ovarian cyst?

Can lumbar spine Mri without dye detect ovarian cyst?

NO: If MRI is done for spine focus will be on spine , speak to your doctor , if you think you have ovarian cyst problem , must be seen by gyn doctor and tests are to be done appropriately for correct diagnosis ...Read more

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Can a lumbosacral MRI without contrast show an abdominal hernia?

Can a lumbosacral MRI without contrast show an abdominal hernia?

Maybe: It may, but it probably won't be on the report. May need to call and ask the radiologist to review the study again to be sure. ...Read more

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Can CT scan without contrast show brain aneurysm?

Can CT scan without contrast show brain aneurysm?

Unlikely: Ct scan without contrast is unlikely to show an aneurysm unless it is very large and is calcified. A ct angiogram is a better study to visualize an aneurysm. ...Read more

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Lung tumor CT scan with or without contrast?

Lung tumor CT scan with or 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

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Would a lung ct scan without contrast show lung blebs?

Would a lung ct scan without contrast show lung blebs?

Mgt: The imaging study may be uploaded to an inbox consult for review. The CT study can demonstrate blebs. If you are a smoker, I would advise quitting. ...Read more

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Can CT scan miss lung cancer ? Can an MRI find it while doing scan on thorastic spine? Both without contrast

Can CT scan miss lung cancer ? Can an MRI find it while doing scan on thorastic spine? Both without contrast

Both: Yes. And yes. However, since mris are very hard to obtain of the lungs due to lung movement, ct scans are much more useful and diagnosing lung cancer. ...Read more

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Can MRI of the lumbosacral spine show infection without contrast?

Can MRI of the lumbosacral spine show infection without contrast?

Yes. MRI does not : Need contrast enhancement and is a great imaging device for making a diagnosis of infection inthe spine whether it involves bone ( osteomyelitis ), disc ( discitis) or an epidural abscess. ...Read more

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Can CT scan without contrast show any brain tumors?

Sometimes: Brain swelling, hemorrhage and mass effect can be noted on a head ct without contrast. Also, some tumors have calcification a which can be seen in a head ct. Smaller and lower grade tumors can sometimes be missed on a head ct without contrast. ...Read more

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Will a CT scan of the lumbar spine post fusion without contrast show pinched nerves or just bone structure and hardware?

Will a CT scan of the lumbar spine post fusion without contrast show pinched nerves or just bone structure and hardware?

Limitations: No, a better view of nerve compression will be available if MRI is chosen, but the CAT does reveal nice images of fusion integrity, and surrounding vertebral bodies and foramina. ...Read more

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Could a CT scan without contrast show an aneurysm?

Yes: The contrast is to show blood flow. While some aneurysms have wall to wall flow, most are lined by thrombus, with only the central portion of the aneurysm showing flow. The CT scan can show the wall of the vessel, as well as flow. An arteriogram only shows flow. ...Read more

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Can a CT scan without contrast dye detect brain tumours?

Can a CT scan without contrast dye detect brain tumours?

Should do it: If a brain tumor is causing significant symptoms, it should surely be large enough to be detected on a cat scan. ...Read more

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Would a spinal compression fracture show on CT scan 5 yrs later?

Would a spinal compression fracture show on CT scan 5 yrs later?

Yes: Compression fracture of the spine is when the vertebral body (bone of the spine) has collapsed on itself. While the bone may heal, the loss of height of the bone is usually still seen and an should be apparent on CT imaging if that bone is included on the exam. However may need to have images reviewed in the sagittal and coronal planes for it to be seen. ...Read more

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Will an abdominal CT scan with contrast show stomach cancer?

It can: If the cancer is advanced or particularly invasive it will show on a CT. Better diagnostic tool for this might be an upper endoscopy instead. ...Read more

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Why would neurologist order thoracic MRI with contrast?

Why would neurologist order thoracic MRI with contrast?

Confirming diagnosis: The MRI is in response to symptoms and exam findings suggesting a problem in your thoracic spine. The contrast can reveal presence of inflammation, but also demonstrate abnormal blood vessels such as an epidural ateriovenous malformation. ...Read more

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