File:American X-ray journal (1903) (14778051053).jpg

Identifier: americanxrayjour1213unse (find matches)
Title: American X-ray journal
Year: 1903 (1900s)
Authors:
Subjects: X-Rays Radiography
Publisher: St. Louis : American X-Ray Publishing Co.
Contributing Library: The College of Physicians of Philadelphia Historical Medical Library
Digitizing Sponsor: Open Knowledge Commons and the National Endowment for the Humanities

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OUDIN RESONATOR. Robinson then read a paper of which thefollowing is an abstract: Diagnosis of Ureteral Calculi.The x-ray lias made a new era in thediagnosis of ureteral calculi. Previousto the x-ray there was no pathognomonic symptom. The old classic symptoms ofpain or ureteral colic hematuria and theexpulsion of a calculus is a medical rarity.The final court of diagnosis of a ureteralcalculus is an x-ray. At first the x-raywas uncertain in this diagnosis, but withthe improvement of the method it isnow a last resort. The x-ray is the sov-ereign method to detect a ureteral cal-culus. There are at present two classes of phy-
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DARSONVAL SPIRAL. sicians. The one class claims that a sha-dow is positive evidence that a calculusis present and that a negative result in-dicates that a calculus is absent. Thesecond class claims that a negative re-sult does not exclude a calculus. Dr. Iiobert S. Gregg and I have provedin Dr. Harry Pratts Laboratory that allisolated crystal)zed urinary salts when 321 THE AMERICAN X-RAY JOURNAL. exposed to the x-ray will cast a shadowof definite contour, density and dimen-sions. We also demonstrated by exposingsome thirty-five urinary calculi expelledby the patient himself, and some twentyureteral calculi removed surgically, thata shadow of definite contour and dimen-sion was cast in every case. From overfive years of painstaking x-ray work wehave come to the opinion that every ure-teral calculus should cast a shadow. Thepatient should be on the dorsum withlegs flexed on a double adjustable inclinedplane, head flexed with sand bags, trac-tus intestinalis completely evacuated andone-e

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