Doctor insights on:
Bone Scan Vs X Ray
Bone is a living growing tissue made mostly of collagen (protein that provides soft framework) & the mineral calcium phosphate that adds strength & hardens the framework. Two types of bone are found in the body; cortical (dense compact outer layer) & trabecular (makes up inner layer, ...Read more
Sometimes same dose: Background radiation at sea level: 3 msv per year, denver residents get: 6 msv per year, cross country flight: 0.02 msv, x ray chest: 0.06 msv, ct head: 3 msv, ct chest: 5 msv (equivalent to 100 chest xrays) ct abdomen: 5-10, average bone scan 6.5 msv. Radiation depends on size of patient." radiation affects growing body in children more than adults. Doses to children are much less. ...Read more
Yes if greatly enlar: An enlarged heart can be seen on X-ray or CT scan especially if it is greatly enlarged. However, the cause for the enlargement is usually not apparent by those means. An echocardiogram (ultrasound) usually does a better job. sometimes more specialized tests are needed. However, if this is the 1st time that an enlarged heart was detected, it is best to get it confirmed & identify the cause. GL & TY ...Read more
No iodine bone scan: Nuclear medicine bone scans are performed using a radionuclide called tc 99m mdp. It is a radioactive particle tagged to a molecule involved in bone metabolism. Common exam, around for decades. There is now a new scan using a pet/ct scanner and an isotope sodium flouride. It is sensitive and more accruate but also more expensive and less available. ...Read moreSee 1 more doctor answer
What is better CT scan or mir to further diagnose right superior mediastinum widening in the chest x ray?
Bone abnormalities: Bone scan involves intravenous injection of radio tracer usually technetium 99m mdp which accumulates in skeleton. Scan may involve early phase(5-10 min) and late phase(2-3 hr) imaging. Increased uptake is seen in fractures, tumors, infection, etc. Decreased activity is seen in metal artifacts, aggressive tumor/infection, & loss of blood supply to bones. Bone scan very sensitive but not specific. ...Read moreSee 2 more doctor answers
See: Radiologyinfo.Org for discussion of radiological studies.Get a more detailed answer ›
Yes and no: The X-ray will show a mass on the bony spine , at times haze on the soft tissue on the spine and lesions eroding the spine. Al of these masses that can be seen on X-rays can be benign or malignant. Thus the X-ray will show the mass but can not prove it is cancer without a biopsy ...Read more
Knee mri showed torn meniscus and bone spurs. Now dr wants bone scan.is that scan needed after mri. What would bone scan show that isn't on mri??
Yes: Yes.Get a more detailed answer ›
Mri shows three lobulations in bone above knee. Bone scan says everything ok. How could mri and bone scan show two different results?
Different studies: The meaning of "lobulations" in the bone on an MRI study is uncertain. This may mean an osteophyte, cortical thickening, old trauma, a normal variant, or something else. The bone scan measures bone chemistry and activity such as repair of the bone. When the bone scan is normal with these findings on MRI, it means normal bone chemistry, and indicates a none serious problem. ...Read moreSee 1 more doctor answer
SOFT TISSUE US performed of the left hip demonstrates a hypoechoic, non-specific 17 mm. x 10 mm. x 6 mm. abnormality, Surgiacal Eval meaning?
MRI or bone scan: It may depend on particular early avascular necrosis in hip is best detected by either MRI or bone scan by showing the decreased blood supply. It is quite specific in majority of cases. Ct can detect later changes of avn such as sclerosis of dead bone or fracture of femoral epiphysis. Avn in small bones of hands and feet may be easier detected by mr examination. ...Read moreSee 3 more doctor answers
Tracers..: The tracers are different. Bone scan usually uses TcMDP and PET scan uses F18-FDG (glucose). The bone scan is good for showing osteoblastic bone lesions and shows increased bone activity around a metastasis but not the actual metastasis itself. The PET can show glucose uptake in the actual tumor itself. PET is better for lytic bone lesions. CT part of PET/CT can show lytic and blastic lesions. ...Read moreSee 1 more doctor answer
Radiology/neurology. Ct scan shows bone, MRI shows soft tissue, so therefore can't indentify disease of skull bones. Intercrainial means misdiagnosis?
Mri & bone scan impression is suspecious metastatis, bmd show osteopenia spiral, m.Band negative, s.Cortisol 30 with dexona 1 mg, biopsy needed ?
Perhaps: Discuss your situation with your primary doctor or the one who ordered those tests. If you are feeling uncomfortable, it may be good to get a second opinion from an oncologist (a cancer specialist). Do not wait. Time can make a difference in how you do. ...Read moreSee 1 more doctor answer
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