. Syphilis : a treatise on etiology, pathology, diagnosis, prognosis, prophylaxis, and treatment . Fig. 156.—Diffuse sclerosis due to syphilis. (Collection of Dr. W. Warner Watkins.) made a study of the condition and has reached the followingconclusions: Syphilis tends to invade the lower and middlelobes, it tends to involve the tissues at the hilum first, so thatthe densest shadoAv is there, and the shadows do not bear a dis- 530 SYPHILIS tinct relation to the bronchi, as in tuberculosis. At the edgesthey have a ragged, worm-eaten appearance. In other instancesthe lung is evenly speckled, or
. Syphilis : a treatise on etiology, pathology, diagnosis, prognosis, prophylaxis, and treatment . Fig. 156.—Diffuse sclerosis due to syphilis. (Collection of Dr. W. Warner Watkins.) made a study of the condition and has reached the followingconclusions: Syphilis tends to invade the lower and middlelobes, it tends to involve the tissues at the hilum first, so thatthe densest shadoAv is there, and the shadows do not bear a dis- 530 SYPHILIS tinct relation to the bronchi, as in tuberculosis. At the edgesthey have a ragged, worm-eaten appearance. In other instancesthe lung is evenly speckled, or there are lance-like radiations ofdense fibrous tissue. With the majority of these conclusions weare prepared to agree, although we should also like to mentionstill another variety, where there is a very dense shadow throughthe mediastinum and in the adjoining portions of the lungs. Thefollowing conditions must be differentiated: cancer, which givesa localized shadow with a sharp margin, except in the case ofsome infiltrating carcinomata,- which can not be distinguished;. Fig. 157.—Syphilitic consolidation, involving portion of lobe. Note the irregular edgeand pointed projections. (Collection of Dr. W. Warner Watkins.) pneumokoniosis, which presents great difficulty in diagnosis; un-resolved pneumonia, which is likewise difficult to distinguish;tuberculosis, which tends to first invade the upper lobes or apicesand which shows distinct shadows in relation to the bronchialtree. Articles by Moore and Carman,®* Callender,®^ Post,®* Baucli®^and Dunham®® may be consulted. The Stomach There are four types of gastric syphilis, syphilitic gastritis,ulcer, tumor and diffuse infiltration. The first named condition DIAGNOSIS 531
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Keywords: ., bookcentury1900, bookdecade1920, booksubjectsyphilis, bookyear192
