Identifier: americanjournroen08ameruoft (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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absolute, the first casein our records involving the upper left lobe.The shadows of this form of the disease and mossiness of the edges, and tend to massalong the heart border and large bronchialtrunks. They may be confused with theshadows of bronchiectasis, abscess or pneu-moconiosis. When tissue resistance is sufficient to en-capsulate the diseased area, gummatous le-sions result. The shadows of gummas willvary in size; will usually be multiple; arenot confluent; will have edges slightly ir-regular but more definite than consolida-tions; when caseous, they will have centersof diminished density; when healing, theybecome irregular in outline, show pointedprojections of fibrous tissue which contractthe lung and niay obstruct bronchi. It is con-ceivable that gummas may be so thoroughlyencapsulated that they will remain smoothin outline and heal without material eftecton the surrounding lung tissue. The interstitial or peribronchial fibrosis,with its end result of dense fibrosis of the
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Fig. 3 (Patient 95). S\philiuc miiltration of theupper left lot)e. may simulate those of primary carcinoma, orthe partially resolved consolidations of pneu-monia. The shadows are usually confluent,of varying density, inclined to irregularity Fig. 4 (Same patient as Fig. j). Shows change underantileutic treatment. lung and pleura, occurs in latent syphilis,where a slow inflammatory reaction, endingin fibrosis, is the typical pathology. This fi-brosis mav be peribronchial or peri-arterial, 262 .Y-Ray Shadows of Lung Syphilis but resulting shadows will be the same, con-sisting of fine or coarse linear striations,springing usually from a dense hilus shadowand radiating to the periphery. The striationsmay occupy a limited area or involve bothlungs generally. Other diseases and irrit-ants, like poison gas, may produce a similarfibrosis. Indefinite lung densities are frequentlyfound in association with cardiac or aorticsyphilis. Both Warthin and Carrera de-scribed lung changes which correspo

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