File:The American journal of roentgenology, radium therapy and nuclear medicine (1906) (14571054090).jpg

Identifier: americanjournalo10ameruoft (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: Internet Archive
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onary Complications seems quite probable that it is a provisionof nature to keep the inflamed pleuralsurfaces apart, and prevent adhesions.Its presence Is of little significance, merelyadding to the dilliculty of differentialdiagnosis between lower-lobe pneumoniaand pleural effusion. Larger collections offluid may occur in the free pleural cavityduring the course of a pneumonia, andthese have the same characteristics of fluidencountered under ordinary conditions inthe chest. \\hcrc the pneumonic consolida- observed on certain occasions with mod-erately large efTusions. Where a primaryconsolidation In the lower lobe Is com-plicated by a pleural effusion, the diagno-sis becomes more difficult, and it is often\cry hard to decide just how much of theshadow IS due to consolidation and howmuch to fluid. Pleural effusions encoun-tered as a complication of pneumonia maybe either serous, serofibrinous or purulent.Since It is Impossible to tell from thedensity of the shadow the character of the
Text Appearing After Image:
Fig. 8. Localized iluid entrapped between the two pleural layers. Localized collections of fluid, unassociatedwith plastic serolibrinous pleurisy, are sharply outlined. Being between the layers of pleura, the shadow isperipheral in location. (A) Localized fluid without pocketing. (B) Localized fluid showing a tendency topocket iormation. tlon is in the upper portion of the chest, anyadditional shadow forming In the lowerchest from the accumulation of fluid can bereadily detected. The costophrenic angle,being the most dependent portion of thechest, is first to be obscured, and theshadow extends across the lower portion ofthe chest running up along the axillaryborder. The upper l)()rder of the eflusion ishazy and concave, extending higher uptoward the axillary side. The heart andmediastinal structures are usually dis-placed somewhat to the opposite side, dueto the weight of the fluid. This is not aninfallible sign, however, and has not been fluid, it is Impossible to differentiatebetwee

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