The American journal of roentgenology, radium therapy and nuclear medicine (1906) (14757583482)

Identifier: americanjournalo10ameruoft (find matches)

Title: The American journal of roentgenology, radium therapy and nuclear medicine

Year: 1906 (1900s)

Authors: American Radium Society American Roentgen Ray Society

Subjects: Radiotherapy X-rays

Publisher: Springfield, Ill. C.C. Thomas

Contributing Library: Internet Archive

Digitizing Sponsor: Internet Archive

Text Appearing Before Image:

Fig. I. Paths of metastasis within the pelvis secondaryto carcinoma of the prostate. also rather chaotic. We know that malig-nant tumors arising m the testicle, larynx,uterine cervix and breast are much moresensitive than those arising in the prostate,rectum and stomach; but there is littlewritten regarding the exact order of sensi-tiveness. Wood, in an effort to illustratethe present uncertainty regarding tumorsensitiveness, sets down the widely differentdoses proposed by Bumm and Seitzand Wintz for the cure of the same tumor.Here again, accurate records augmentedby good pathological reports where theyare obtainable, will slowly build up a scientific system of therapy. It may betrue that various histological types ofcancer arising In the same location possess\arylng degrees of susceptibility to Irradia-tion, according to the cell type. Manytheories of this order ha\e been backed bylittle or no recorded clinical evidence,and must therefore, stand as theories only.

Text Appearing After Image:

Fig. 2. Possible sites of wide-spread metastases incarcinoma of the prostate. Although this biological data must beobtained in the future, there Is muchmformatlon now available relative to thedistribution of cancer arising in the variouswell-known sites. Records written at theoperating and autopsy tables indicate therelative malignancy of tumors and theirmost likely paths of extension. We haveprepared a few charts illustrating theusual behavior of some of the more commonneoplasms. Figures i and 2 illustrate the mode ofextension observed in carcinoma of theprostate. It is well to note that the pros- 820 Clinical Problems in Roentgen Therapy of Deep-seated Malignancy tate is bounded behind Ijy the rectum andabove by the bladder, while the urethraruns through it. The dose dehvered is,therefore, definitely limited by the mucousmembranes of these structures, regardlessof the efficiency of our apparatus. Theavailable evidence indicates that carcinomaof the prostate is a very resistant tumor

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1906

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