Modern diagnosis and treatment of diseases of childern; a treatise on the medical and surgical diseases of infancy anf childhood . s and Bronchial Glands). The lungs proper, the bronchial glands, or both, may be theprimary seat of tuberculous deposits. The upper lobes are morefrequently affected than the lower, and the portions adjacent tothe bronchial glands more so than the remaining parts. ThePacthangesC pathologic changes consist essentially in the formation of vari-ously sized caseous nodules filled with colonies of tubercle bacilliand large, so-called giant cells, and subsequent softenin
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Modern diagnosis and treatment of diseases of childern; a treatise on the medical and surgical diseases of infancy anf childhood . s and Bronchial Glands). The lungs proper, the bronchial glands, or both, may be theprimary seat of tuberculous deposits. The upper lobes are morefrequently affected than the lower, and the portions adjacent tothe bronchial glands more so than the remaining parts. ThePacthangesC pathologic changes consist essentially in the formation of vari-ously sized caseous nodules filled with colonies of tubercle bacilliand large, so-called giant cells, and subsequent softening and -breaking down of the nodules, forming cavities which may vary insize from a pea to a walnut or larger. In some cases, especiallyin those receiving early and suitable treatment, the tuberculousprocess is arrested by encapsulation of the necrosed structures bynewly formed connective tissue, leading to contraction and forma-tion of a firm cicatrix. In this event the enclosed caseous massesare in part absorbed, and in part calcified. The tuberculous affection of the bronchial glands also consists TUBERCULOSIS. ;:, . Fig. 97.—Tuberculosis. Horizontal sec-tion through the tuberculous lower lobe ofthe right lung of a two-year-old child, (a)caseous focus in the region of the anteriorborder; (b) non-tuberculous posterior bor-der; (c) transverse section of bronchus;(d, d1) caseated lymph glands; (e) pul-monary vein ; (/) point of adhesion of thevein c with the lymph gland dl; (<7)tubercle in the lymph vessels of the lungparenchyma; (//) periarterial, (i) peri-bronchial; (k) perivenous tubercles; (/)lymph-vessel tubercles of the pleura; (w)tubercle in the connective tissue of the lulusof the lung. X 3. (Zicgler.)