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Abstract: Syphilitic spinal disease is a rare condition caused by the spirochete Treponema pallidum, either from direct spirochete involvement of the cord or as a consequence of indirect spirochete involvement of the meninges, blood vessels, or the vertebral column. After the introduction of penicillin therapy in the 1940s, it has become an increasingly rare condition. We report 3 challenging cases of syphilitic spinal disease presenting as myelopathy-1 with an extra-axial gumma of tertiary syphilis causing cord compression and 2 with tabes dorsalis complicated by tabetic spinal neuroarthropathy-each presenting a diagnostic dilemma to their treating physicians. We also review the literature for updates on modern investigative modalities and discuss pitfalls physicians need to avoid to arrive at the diagnosis., Competing Interests: Conflict of Interest and Sources of Funding: The authors declare that they have no competing interests. This research did not receive any specific grant from funding agencies in the public, commercial, or not-for-profit sectors., (Copyright © 2021 American Sexually Transmitted Diseases Association. All rights reserved.)

Background: An important cause of hemisensory syndrome is ischemic stroke. However, the diagnostic yield of neuroradiological imaging on hemisensory syndrome is low. Therefore, we aim to describe patients hospitalized with isolated hemisensory syndrome, and to identify clinical features associated with an aetiology of ischemic stroke., Methods: We performed a single centre retrospective observation study, identifying patients who were hospitalised with hemisensory syndrome from October 2015 to March 2016, and whom underwent a magnetic resonance imaging (MRI) brain during the admission. Ischemic stroke was defined as the presence of restricted diffusion-weighted image on the MRI brain. Clinical information was analysed and compared between patients with and without stroke seen on MRI brain., Results: 79 patients, 36 (45.6%) males and 43 (54.4%) females, aged between 30 to 87 years (mean 54), were included in the final analysis. 18 (22.8%) patients were identified to have an acute ischemic stroke. Clinical features associated with ischemic stroke in hospitalised patients with hemisensory syndrome include symptom onset of ≤24 h at presentation (odds ratio 31.4, 95% CI 3.89-254.4), advanced age (odds ratio 1.14, CI 1.05-1.25) and smoking (odds ratio 7.35, 95% CI 1.20-45)., Conclusion: Older patients, with a history of smoking, and who present with an acute onset of symptoms, are more likely to have ischemic stroke as the cause of their hemisensory syndrome.