A manual of syphilis and the venereal diseases, . recognized are those described under the title of osseous lesions in ac-quired disease—namely,circumscribed gummataof outer plates and med-ullary canal, periostitis,and rarefying or forma-tive osteitis. Caries, ne-crosis, and the inductionof both ulceration andosteophytic growths arenot rare. These growthsat times induce prema-ture closure of the fon-tanelles, resulting event-ually in microcephalicidiocy. These lesions,with the others named,when affecting bones incontact with importantnervous cells or trunks,may induce all the phenomena of nerv
A manual of syphilis and the venereal diseases, . recognized are those described under the title of osseous lesions in ac-quired disease—namely,circumscribed gummataof outer plates and med-ullary canal, periostitis,and rarefying or forma-tive osteitis. Caries, ne-crosis, and the inductionof both ulceration andosteophytic growths arenot rare. These growthsat times induce prema-ture closure of the fon-tanelles, resulting event-ually in microcephalicidiocy. These lesions,with the others named,when affecting bones incontact with importantnervous cells or trunks,may induce all the phenomena of nervous syphilis,cephalalgia with nocturnal distress, paralytic symptoms,epileptiform seizures, remediless surdity, and even im-becility. The hyperostoses of the tibia (occasionally of bothtibiae) produce at times a highly characteristic change inthe contour of the legs. Marked anterior convexityresults from an osteophytic growth along the crest,which has been termed by the French sabre-blade de-formity {lame de sabre) (Fig. 8). Frightful ravages. Fig. 8.—Sabre-blade deformity of thetibiae in hereditary syphilis. HEREDITAR Y S YPHILIS. 211 occur also in the face, which may be converted into awide area of destructive processes, the orbits half dis-tended with shrunken and sightless globes, the upper lipand the maxilla absent and furnishing the orifice of achasm composed of the oral and nasal cavities studdedwith partly healed ulcers and fungous masses. The pseudo-paralysis of hereditary syphilis produceshelplessness of a single member, due to separation of theepiphysis from the diaphysis of one of the long unrelieved for some time, the ultimate sequencemay be atrophy of the muscles. This epiphyseal sepa-ration is usually induced by an osteo-myelitis—a condi-tion to be distinguished from that in which pseudo-ankylosis results from decubitus and posture-fixation inconsequence of grave disease of other organs (for ex-ample, a lower extremity after long-continued ulcera
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