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what does a ct scan without contrast show

A 55-year-old member asked:
Dr. Gerald Mandell
51 years experience Nuclear Medicine
Some things: CT scan of brain without contrast shows basic anatomy of brain, gray white matter differentiation, ventricles, and physiologic calcifications.Ventricl ... Read More

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A 38-year-old member asked:
Dr. Craig Carter
39 years experience Thoracic Surgery
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 aneu ... Read More
A 38-year-old female asked:
Dr. John Munshower
29 years experience Family Medicine
It may: But a contrast enhanced study would be more sensitive. If concerned, see a urologist for full evaluation and diagnostic work-up. Best wishes.
A member asked:
Dr. Donald Colantino
60 years experience Internal Medicine
Yes: In some cases a noncontrast ct scan can show pancreatic cancer,changes that could suggest pancreatic inflammation and liver diseases. However a negati ... Read More
A 41-year-old member asked:
Dr. Steven Chmielewski
29 years experience Diagnostic Radiology
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 a ... Read More
A 44-year-old member asked:
Dr. Kamran Janjua
21 years experience Radiology
Read more about it: To learn more about ct scans with contrast and what they show, please check out: http://www.Conciergeradiologist.Com/ct-scan-with-contrast.Html.
A 56-year-old member asked:
Dr. Michael Korona
32 years experience Interventional Radiology
Too broad: to answer. See radiology info.org
A 44-year-old member asked:
Dr. Tarek Naguib
39 years experience Nephrology and Dialysis
Better details: The resolution, details shown, on ct is more effective than that of ultrasound. Ultrasound shows liquids e.g. Cysts and effusion better and is cheaper ... Read More
A female asked:
Dr. Gurmukh Singh
48 years experience Pathology
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, ... Read More
A 40-year-old male asked:
Dr. Tony Ho
Dr. Tony Ho answered
13 years experience Infectious Disease
Enhancement: Contrast causes enhancement of certain structures, like abscesses, making them much easier to see. In addition, the differential diagnosis hinges som ... Read More
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A 34-year-old male asked:
Dr. Sue Castleman
14 years experience Internal Medicine
CT brain: One of the most common reasons to order CT brain without contrast is to rule out a cerebral hemorrhage - new blood shows up better, and can be obscure ... Read More
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A member asked:
Dr. Geoffrey Rutledge
40 years experience Internal Medicine
Imaging of your body: A ct scan uses x-rays to create a cross sectional image of the body part affected. It is particularly useful at identifying bony problems, the presenc ... Read More
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A 34-year-old female asked:
Dr. Charles Cattano
38 years experience Gastroenterology
Mucosal lining...: ...and will permit biopsies. CT cannot accurately diagnosis eosinophilic esophagitis, Barrett's esophagus, H.pylori, celiac sprue whereas these entiti ... Read More
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A 43-year-old member asked:
Dr. Michael Korona
32 years experience Interventional Radiology
See: Radiologyinfo.Org.
A 55-year-old member asked:
Dr. Seth Zeidman
32 years experience Neurosurgery
Angiogram: Cta is a ct angiogram - this looks at the blood vessels within the brain.
A 50-year-old member asked:
Dr. Gerald Mandell
51 years experience Nuclear Medicine
More function: Mri is more anatomic in detecting configuration of soft tissues and extent of disease. Sometimes not able to entirely differentiate infection from tu ... Read More
A 44-year-old member asked:
Dr. Stephen Cassivi
26 years experience Thoracic Surgery
Metabolic activity: Pet/ct scans are used in staging cancers-figuring out whether and how far a tumor has spread. While a ct scan shows anatomy (where things are), a pet ... Read More
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A 42-year-old member asked:
Dr. Jonathan Mccrea
Specializes in Diagnostic Radiology
CT Scan: Yes, a ct scan can show certain things that MRI scans cannot. Depending on what your doctor is suspecting, a ct or MRI may be more appropriate. What i ... Read More
A 38-year-old male asked:
Dr. Imran Saeed
18 years experience Colon and Rectal Surgery
Cystoscopy is an: Examinatiom of bladder from the inside. It will show inflammation (cystitis) and polyps or tumor which the xray or ct scan wouldnt show.
A 46-year-old member asked:
Dr. Alfred Parkhill Hand
20 years experience Radiology
Bowel: Oral contrast will help in evaluating the bowel.
A 38-year-old member asked:
Dr. David Dang
13 years experience Radiology
CT show more.: An ultrasound study is heavily dependent on the skills of the technologist. The us also does not typically see everything in the pelvis, particularly ... Read More
A 23-year-old female asked:
Dr. Colin Sanner
19 years experience Neurology
Not likely: Most intracranial vascular anomalies, including aneurysms, require IV contrast to be seen on ct head. However, ct without contrast is 90% sensitive fo ... Read More
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90,000 U.S. doctors in 147 specialties are here to answer your questions or offer you advice, prescriptions, and more. Get help now:

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