File:The American journal of roentgenology, radium therapy and nuclear medicine (1906) (14734346666).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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lungs. Patient remained well; occasional scanty morningsputum, negative for tubercle bacilli. 642 Serial Roentgenographic Observations of Chronic Pulmonary Tuberculosis or it may be rapid, when fibrosis is not de-monstrable, mottling is densely confluent,collateral haziness is heavy and rarefactionis multiple, thin-walled and ragged. In therapid type, the patient usually is over-whelmed by toxemia and dies with consid-erable intact lung tissue; with slowly pro-gressive disease and less toxemia life maylast when the roentgenogram reveals sur-prisingly little sound tissue. In the latter The first phase of repair is clearing ofmottling; and by this is meant the disap-pearance of perifocal inflammation. Theexplanation has its basis in the concept ofallergic reaction to which we have alreadyreferred. In the experimental animal thatsurvives the initial exudative reactionfollowing infection, the anatomical prod-ucts of inflammation disappear, a sharplydefined tubercle appears and the animal
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Fie. 2. Time interval between a and 6, 13.7 months,a Moderate disseminated infiltration of right lung, most marked about the hilum; light perihilar deposits onleft. Patient recovering from recent symptoms of active tuberculosis including hemoptyses and fever; sputum,41 grams daily; numerous tubercle bacilli present, (i) Clearing of mottling with restoration of definite hilumoutline. Patient free of symptoms except for scant expectoration; tubercle bacilli absent for 7 months. t \ pe, as might be expected, the patient maysutler severe dyspnea in spite of feelingotherwise fairly well. With progressivemottling without rarefaction the sputumis usually scant and may be negative fortubercle bacilli for months; when rarefac-tion ol previously dense mottling appearsand progresses the sputum increases inquantity and tubercle bacilli are almostalways found. In both instances symptomsol toxemia sooner or later appear in definiteform. Anatomical repair may become ini-tiated at an\ st. ; the disea

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