Doctor insights on:
Does A Ct Scan Show Bone Cancer
Cancer is a group of diseases that is characterized by uncontrolled cell growth leading to invasion of surrounding tissues that spread to other parts of the body. Cancer can begin anywhere in the body and is usually related to one or more genetic mutations that allow normal cells to become malignant by interfering with internal cellular control mechanisms, such as programmed cell death or by preventing ...Read more
May be: A question of the form can A show B is almost always answered maybe, because you cannot completely exclude the possibility that it may or may not demonstrate the finding in question. also a mass has to have at least 1,000,000,000 cells before it is visible on a contemporary scan. ...Read more
Not entirely: Ct imaging is useful, but pancreatic cancer can be very difficult to visualize on ct. In fact, even in patients with known pancreatic cancer it's not unheard of for the tumor itself to be poorly or incompletely seen. If there's high suspicion, endoscopy and ultrasound are useful tests. ...Read more
It could.: Inflammatory changes would show up on a ct scan of an infected uterus, but usually laboratory studies, and the clinical exam would give an idea of this as well. Women with suspected uterine infections (when not pregnant) are usually treated for this with antibiotics. The ct scan may be looking for other sources of infection like appendicitis, or intestinal infections. ...Read more
Glucose: Pet scan relies on the theory that tumors utilize a significant amount of glucose. Many different types of cancer can show up on pet scan but certain types of cancer are much more FDG avid. Low grade tumors usually have much less uptake than high grade tumors. In addition, mucinous neoplasms often do not have much FDG uptake. Small size tumors or micrometastases also may not show up on pet. ...Read moreSee 3 more doctor answers
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
CT scan w/o contrast for lump under tongue for suspected stone. Results show no stone. Worried it may be cancer. Would scan w/o contrast show tumor?
Yes: Some Doctors who interpret MRI exclusively in their practice will promote the idea that MRI is the best imaging technique for every condition. To a lesser extent, some Doctors will say CT. Some doctors swear by Ultrasound imaging. There are strength and weaknesses of each modality, with considerable overlap in information produced. And each modality has some advantage over others. ...Read moreSee 1 more doctor answer
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
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
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