File:The American journal of roentgenology, radium therapy and nuclear medicine (1906) (14757035422).jpg

Identifier: americanjournroen09ameruoft (find matches)
Title: The American journal of roentgenology, radium therapy and nuclear medicine
Year: 1906 (1900s)
Authors: American Radium Society American Roentgen Ray Society
Subjects: Radiotherapy X-rays
Publisher: Springfield, Ill. C.C. Thomas
Contributing Library: Gerstein - University of Toronto
Digitizing Sponsor: University of Toronto

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he fog had been blownaway. In many instances the conglomeratetubercles appear with such clarity that Serial Roentgenographic Observations of Chronic Pulmonary Tuberculosis 645 they can be counted under the stereoscope.Haziness, clouding and poor definitiongive way to discreteness, compactness anddiscernible delimitation. If there is nocomplicating involvement, tuberculous ornontuberculous, of any other organ ortissue, the patient practically always showsclinical improvement with gain in weight,lessened toxemia and decreasing cough andexpectoration. The presence of cavitation longer be described as mottling or cirroseclouding, but its characteristics are pro-bably best conveyed in the term discreteuneven clouding. Occasionally one losesall trace of the shrinking tubercle; from theroentgenographic point of view it has beenentirely resorbed. But it is a rare tuberclethat does not leave behind some slightvestige in the form of a little uneven cloud-mi; with or without a thin, sharp, dense
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Fig. 3. Time interval between a and b, 12 months.(a) Heavy infiltration upper part of right lung; limited below by band of fibrosis, partly interlobar.Vague constitutional symptoms including malaise and malnutrition; no sputum (tubercle bacilli present insputum 4 months previously). (6) Clearing of mottling with upward contraction of the affected region, sec-ondary to fibrosis; deflection of mediastinum. Progressive improvement in constitutional condition; no localsymptoms, except for slight dyspnea on exertion. line extending from it to the hilum. Atthis point the markings may be permanent;1 have observed these librotic densitiesunchanged after a lapse of eight years.If there is one roentgenographic feature may alter conditions considerably, and ofthis I shall speak presently. Once the perifocal haziness has cleared,we assume that the residual shadow repre-sents the conglomerate tubercle proper,divested of its initial enveloping inflam- of healing pulmonary tuberculosis more mation,

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