The Surgical Clinics of Chicago Volume 1, No. 4

The Surgical Clinics of Chicago Volume 1, No. 4

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This historic book may have numerous typos and missing text. Purchasers can usually download a free scanned copy of the original book (without typos) from the publisher. Not indexed. Not illustrated. 1917 edition. Excerpt: ...acquired with too great difficulty, are perfectly safe and capable of bringing to us a great deal of valuable information. The chief value of filling the renal pelvis and ureter is to determine whether the respective structures are normal in shape, position, size, and number, and whether or not a suspected shadow lies within the lumen of the ureter or within the cavity of the pelvis. A satisfactory pyelogram will definitely show that certain shadows cannot be renal or ureteral stones because they lie at too great a distance from these parts. They will also show distortion of the pelvic outline due either to inflammatory processes, stone, or tuberculosis, showing a jagged, irregular contour; or the smooth and rounded outline of dilations due to back-pressure from obstruction below. Gallstones may closely simulate renal stones in symptomatology. The shadows may appear absolutely similar in the x-ray plate; pyelography, however, will enable us to show that the shadows cast by gall-stones lie at a considerable distance from the pelvis of the kidney. Ordahl's technic for intensifying the shadow cast by a stone, either in the pelvis or ureter, is a helpful one. The intensification of the shadow depends upon the deposit of a silver solution, usually 20 per cent, collargol, upon the surface of the stone, thus making it denser to the passage of the x-ray. When a hydronephrotic or pyelonephrotic pelvis is filled with collargol the x-ray plate should demonstrate besides irregularities in size and the presence of dislocation--usually either laterally or caudally--the origin of the condition; i. e., whether due to malformation of the ureteral mucosa, to bends or twists, to partial obliteration or constriction of the ureter, or to abnormal more

Product details

  • Paperback | 54 pages
  • 189 x 246 x 3mm | 113g
  • United States
  • English
  • black & white illustrations
  • 1236930606
  • 9781236930606