American practitioner . vanced bronchopneumonicand fibroid changes may be revealed by the fluorescent screen andradiogram, quite unsuspected even after a most careful physicalexamination, in cases which were presumed either to be quite in theincipient stage or free from active disease altogether. This is ;ticularly the case when the condition is complicated bjthe lung. The hyperresonanl percussion note masks any underlyingdulncss, while the accompanying bronchitic signs (whether rhonchior rales) make it impossible to differentiate the adventitious son-characteristic of tuberculous infiltration
American practitioner . vanced bronchopneumonicand fibroid changes may be revealed by the fluorescent screen andradiogram, quite unsuspected even after a most careful physicalexamination, in cases which were presumed either to be quite in theincipient stage or free from active disease altogether. This is ;ticularly the case when the condition is complicated bjthe lung. The hyperresonanl percussion note masks any underlyingdulncss, while the accompanying bronchitic signs (whether rhonchior rales) make it impossible to differentiate the adventitious son-characteristic of tuberculous infiltration, although the concentrationof bronchitic signs in the upper pars of the lungs may make onesuspicious of serious underlying disease. Fortunately, these cases,so difficult to diagnose apart from the presence of tubercle bacilli inthe sputum, are readily diagnosed by X-ray examination, as the clearemphysematous lung tissue stands out in marked contrast to the deepmottlingS, blotches and shadows of tuberculous dis,and 10).. in isis, from gentleman,been exposed for man) years inhalation of silii the nu r< ith lungs the region of the liihis, with well marked linear shadows extendint the emphysematous lung tissue Was v ? tti spasmodic cough \it now quite well (Skiagram b) Ir Ir. n 302 The American Practitioner I have already discussed the characteristic X-ray appearances,including hilus blotches and linear shadows indicating fibrous thicken-ing at the root, and the mottlings and clustered opacities of activetuberculous bronchopneumonia. Blotches, opacities and linear shadows at the actual root are socommon as to be considered almost normal—the normal hilusshadows. On the other hand, shadows outside the hilus properare much more significant, and definitely mottled or stippled areasin the perihilus tissue, particularly if they assume a clustered orracemose form, are highly suggestive of active tuberculous disease. I have referred to the di
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Keywords: ., bookcentury1900, bookdecade1910, booksubjectmedicine, bookyear191
