Colwell, Hector Alfred, Russ, Sidney · London, G. Bell and sons · leaf 287
c was necessary. Within ftfteen nours of the commencement of irradiation, 268 MALIGNANT CELLS 1 histological changes were sometimes manifest ; the cells in theimmediate vicinity of the radium tube exhibited signs of degenera-tion, their nuclei showed irregularity of contour and in somecases… … Pig. 51.—Squamous cell carcinoma of upper lip , appearance before exposure to thegamma rays. In many cases specimens examined within fourteen days ofthe exposure to radium showed no >it;n of cancer cells. It must,however, be borne in rhind that this is by no means invariablythe case ; in some…
X-rays -- Physiological effect
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