Reports Volume N . 20

Reports Volume N . 20

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This historic book may have numerous typos and missing text. Purchasers can download a free scanned copy of the original book (without typos) from the publisher. Not indexed. Not illustrated. 1892 edition. Excerpt: ... non-cancerous tumours the hereditary influence seems to be the true and entire cause of the phenomenon; whereas in some of our best known types of cancer it seems only or chiefly to supply that part of the causation compound which we familiarly call by the name of predisposing conditions--a distinction which our studies of tubercle tend to show may be one of most critical importance. I have said that the hereditariness of the non-cancerous tumours, as compared with that of cancer, seems to be a simple matter. The non-cancerous tumours, in their most characteristic forms, belong, I believe, to the same pathological category as supernumerary toes and fingers; that is to say, they represent the same sort of idiopathic fault in the embryonic antecedents of the animal. They are local quantitative " monstrosities." True, they may not be ostensibly congenital, as the toe or finger is; but though a part have not at birth any ostensible pleonasm of texture, not the less it may have in reserve the endowment which will afterwards evolve such pleonasm, a waiting power like that with which the sexual organs remain undeveloped for the first sixth or seventh part of life; and the growth of the tumour, perhaps not becoming manifest til years after birth, illustrates, I believe, when at last it comes, the deferred exercise of a congenital endowment. A second aetiological character of cancer is the tendency which it apparently has, in some of its forms, to found itself (so to speak) on certain already existing local disorders. See, for instance, as regards epithelioma of the skin, the very numerous cases in which the chronic raw of a common mechanical irritation, having existed perhaps on and off for years as a mere inflammatory phenomenon, has at last...show more

Product details

  • Paperback | 162 pages
  • 189 x 246 x 9mm | 299g
  • Rarebooksclub.com
  • Miami Fl, United States
  • English
  • black & white illustrations
  • 123659097X
  • 9781236590978