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NELSON A. YOUNGS, M.D.

Arch Otolaryngol. 1941;33(4):550-559.

	Since this article does not have an abstract, we have provided the first 150 words of the full text PDF and any section headings.

Roentgen radiation has been used in the treatment of a great many conditions. Through clinical observation and animal experimentation the action of various amounts on different types of tissue has been determined. The action of roentgen rays, even in small amounts, is always primarily destructive.¹

The higher the specialization of the cell the less developed is its power of reproduction; therefore, the less sensitive is it to irradiation. The order of the degree of sensitivity of cells is as follows:²

(1) lymphoid cells (lymphocytes), (2) polymorphonuclear and eosinophilic leukocytes, (3) epithelial cells, (4) endothelial cells of blood vessels, (5) connective tissue cells, (6) muscle cells, (7) bone cells and (8) nerve cells.

Heine³ has shown that the cilia of the respiratory epithelium are not destroyed by large doses of roentgen rays.

Pohle and Ritchie⁴ have shown experimentally that a dose of 1,000 roentgens (r) at one sitting one to thirty . . . [Full Text PDF of this Article]

Author Affiliations
GRAND FORKS, N. D.

From the Grand Forks Clinic.

Footnotes
Presented as a candidate's thesis to the American Laryngological, Rhinological and Otological Society, Inc., in June 1940.

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