Summary
The action of high-intensity ultrasonic waves leads to disintegration of Brown-Pearce tumors inoculated into rabbits a week or more previously. In addition, the untreated metastases have been shown in many instances to undergo similar regression. Just as with the primary, treated nodule, they become replaced by scar tissue, defifferentiate and encapsulate or resorb tracelessly.
This must mean that the intense ultrasonic vaves act not only on the primary tumor directly, but also, must produce basic alterations in the animal organism as a whole which enable it to check the developing cancer everywhere in the body.
This fundamental problem must become the subject of special investigations.
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Dmitrieva, N.P. Resorption of untreated metastases after subjection of rabbit brown-pearce tumors to high-intensity ultrasonic waves. Bull Exp Biol Med 44, 1368–1371 (1957). https://doi.org/10.1007/BF00830634
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DOI: https://doi.org/10.1007/BF00830634