What does "activity" indicate when stated on an MRI?
A client of mine was diagnosed with bladder cancer. A whole body bone scan be completed to determine metastases, which identified some degenerative changes in the cervical spine and shoulders, no osseous, or bone, metastases, but it did indicate some "activity" which was adjectives in the bladder and the kidney. Does this mean that there are malignant cell in the kidney, in addition to the previously diagnosed bladder?
Answers:
No, no. Activity simply manner that there is radiotracer uptake seen in these regions. In the luggage of a bone scan, the radiopharmaceutical Tc-99m-MDP is renally excreted so this is simply making note of this physiologic process; there's absolutely no cause for alarm. This within no way suggests that there is anything wrong with your patient's kidneys, ureters or bladder beyond what we already know from prior studies.
As Old Doc mentioned, we know that in that is disease there and if we wish to look at how the underlying disease has advanced, in that are much better tests that can provide such information like Old Doc mentioned, as opposed to a bone scan which will grounds the urinary structures to light up or have activity physiologically..
Activity is a occupancy that's reserved for scintigraphy. For MRI, the appropriate term to use would be increased signal intensity.
This is probably from an combined MRI and PET scan. Or more commonly combined CT/PET scan. The PET activity is normally concentrated contained by the kidney and the bladder. They would need to do a scan with the bladder empty (post-voiding) to see residual tumor surrounded by the bladder.
The kidney aspect of disease would be evident in the parttern of the activity see. These are questions that the oncologist should be happy to answer.
Old Doc
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Answers:
No, no. Activity simply manner that there is radiotracer uptake seen in these regions. In the luggage of a bone scan, the radiopharmaceutical Tc-99m-MDP is renally excreted so this is simply making note of this physiologic process; there's absolutely no cause for alarm. This within no way suggests that there is anything wrong with your patient's kidneys, ureters or bladder beyond what we already know from prior studies.
As Old Doc mentioned, we know that in that is disease there and if we wish to look at how the underlying disease has advanced, in that are much better tests that can provide such information like Old Doc mentioned, as opposed to a bone scan which will grounds the urinary structures to light up or have activity physiologically..
Activity is a occupancy that's reserved for scintigraphy. For MRI, the appropriate term to use would be increased signal intensity.
This is probably from an combined MRI and PET scan. Or more commonly combined CT/PET scan. The PET activity is normally concentrated contained by the kidney and the bladder. They would need to do a scan with the bladder empty (post-voiding) to see residual tumor surrounded by the bladder.
The kidney aspect of disease would be evident in the parttern of the activity see. These are questions that the oncologist should be happy to answer.
Old Doc
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