Date of Award

6-1930

Document Type

Thesis - Restricted

Degree Name

Master of Science (MS)

Department

Dentistry

Abstract

Since the doctrine of cellular pathology was first enunciated, there has been an enormous amount of labor devoted to the study of new growths, and only at present, we believe, we have a fairly clear conception of the nature of true tumor nor neoplasmic formation.

According to Professor Wm. H. Van Buren "a tumor, in surgical language, is a local limited enlargement taking place at any part of the body and consisting in its substance of a new outgrowth of tissue which has no physiological purpose in its growth". This definition covers every phase of the subject as far as any definition can. The absolute independence of growth and behavior distinctive of tumors is one of the most remarkable phenomena in the whole of pathology. In nearly all other forms of progressive metamorphosis we can assign a cause or attempt an explanation for the formative process, but in case of the neoplasms or tumors we are dealing with a totally different condition. A tumor plays no useful part in the life of the organism as a whole indeed its influence is often inimical; it performs no helpful function, and its growth is progressive, purposeless, and uncontrollable. Further, we are entirely ignorant of the essential etiological factors.

Comments

...being a thesis submitted for the degree of Doctor of Dental Surgery.

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