They can miss
very early tumors.
Not exact matches
We were talking about cancer
tumors, just
earlier and about, you know, how, I think, it was you who was saying that, you know, the
tumor grows
very quickly, almost springs up all at once, and it's almost, not that it acts like an infectious thing, but it's like almost a failure of the rest of the body to prevent
tumor from growing.
«This development has the potential to enable
earlier detection of solid
tumors through a simple blood draw by substantially improving our ability to detect
very low quantities of circulating DNA derived from
tumor cells,» says corresponding author Hunter Underhill, M.D., Ph.D., who initiated the research while in the lab of senior author Jay Shendure, M.D., Ph.D., a professor in genome sciences at the University of Washington.
Once this procedure had worked well in the
early stages of the
tumor, the researchers waited in the next stage until the
tumor was
very large and the life expectancy of the untreated test animals was less than three weeks.
Indeed, it is now evident that inflammation is present even at the
very early stages of some
tumors, and capable of promoting their development into full - blown cancer.
Those
early results are
very positive, and strongly indicate that the nanoparticles could be useful for assessing how effective a therapy is on a much shorter time scale than current treatments, which usually rely on observing the size of the
tumor.
Harold Varmus: Well the simplistic way to think about that is and I'm not sure this is the way it will be worked out, is to be able to take just a few cells from those
early lesions and examine them genetically or for other kinds of marks on the DNA that would predict whether or not this is some - this is a lesion which might or an
early stage growth that might never be able to progress, but it is also possible that every
early tumor of that kind has some probability of expanding and invading and growing to become a medical problem, so getting that right will obviously be crucial because it's
very difficult to say when you've diagnosed something that is an
early stage
tumor that it won't progress.
Monday's video Cancer Prevention & Treatment May Be the Same Thing underscored the fact that since breast
tumors can take decades to grow, «
early» detection is actually
very late, and in some cases too late.
Malignant mammary
tumors in dogs, can be treated if detected
early enough, and prompt action is taken, however it's
very likely that
tumors may reoccur.
«If caught
early,» says Dr. McEntee, «the survival chances are
very good — three years or more if a
tumor is smaller than two centimeters in diameter.»
Early detection and treatment are
very important in the successful management of
tumors in pets.