. Journal of radiology . Figure VI.— (a)—Plate I.—Acute inflammatory type of Hilus pneumoniain an adult, with complications, showing a small rarefied area within thepersistent hilus consolidation. About two weeks after crisis, (b)—PlateI.—Radiograph taken six days later. The rarefied area continues to Figure VI.— (c)—Plate II.—This rarefied area enlarged from one-half tofour inches in diameter within two weeks. This persisted for six monthsand never attained a much larger size, (d)—Plate II.—Examination oneyear later showed that the rarefied area had shrunk to a small size, butwas st


. Journal of radiology . Figure VI.— (a)—Plate I.—Acute inflammatory type of Hilus pneumoniain an adult, with complications, showing a small rarefied area within thepersistent hilus consolidation. About two weeks after crisis, (b)—PlateI.—Radiograph taken six days later. The rarefied area continues to Figure VI.— (c)—Plate II.—This rarefied area enlarged from one-half tofour inches in diameter within two weeks. This persisted for six monthsand never attained a much larger size, (d)—Plate II.—Examination oneyear later showed that the rarefied area had shrunk to a small size, butwas still discernible as a ring in the hilus region. Tubercle bacilli werefound in the sputum, (Courtesy of Dr. H. E. Kessler.) 225 Radium and Roentgen Ray Therapy in Malignancy: Indications,Contra-Indications, Limitations and Recent Developments* ARTHUR U. DESJARDINS, M. on Radium and Roentgen Ray Therapy, Mayo ClinicRochester, Minn. T^HE use of radium and roentgen rayin the treatment of certain diseasesis gradually assuming a more and moreimportant place in medicine. This isparticularly true of malignant condi-tions, in the treatment of which radia-tion bids fair to become increasinglyimportant. Unfortunately the properevaluation of these agents, as in the caseof all other therapeutic ag


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