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Syphilitic disorders of the spine. Report of two cases.

1. Two cases of syphilitic involvement of the spinal column are described, illustrating the presentation and pathology of the disease.

2. The possibility of increased incidence of syphilitic disorders of bone and joint is considered in the light of recent statistics, and the need for awareness of the disease in its various forms is emphasised.

3. The problems of diagnosis are discussed.