ArticleFrontiers in neurology2025
Clinical and imaging findings of neurosyphilis.
Article in Frontiers in neurology, 2025. The graph could read no effect estimate from its abstract, so it casts no vote on the map. Cited by 1 paper.
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1 citing paper in PubMed.
- Ischemic Stroke Secondary to Meningovascular Syphilis.Journal of investigative medicine high impact case reportsArticle
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6 authors.
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Abstract
Background: This study aimed to systematically analyze the clinical and MRI characteristics of four types of neurosyphilis to improve diagnostic accuracy and facilitate early treatment. By deepening the understanding of clinical presentations and MRI findings, this study seeks to enhance differential diagnosis capabilities. Methods: This was a retrospective study analyzing clinical and MRI data from 23 patients diagnosed with neurosyphilis between January 2016 and May 2024. MRI examinations were performed using 3-Tesla scanners (Siemens, Germany; General Electric, United States) with an 8-channel head coil. The imaging protocol included T1-weighted imaging (T1WI), T2-weighted imaging (T2WI), fluid-attenuated inversion recovery (FLAIR), diffusion-weighted imaging (DWI), and contrast-enhanced T1-weighted imaging (T1WI-CE) using gadolinium-based contrast agents. Results: Of the 23 cases of neurosyphilis, including 19 males and 4 females, the mean age was 49.2 ± 11.4 years (range: 27-67). Sixteen cases of parenchymal type (69.6%), mainly manifested as progressive cognitive impairment with psycho-behavioral abnormalities. MRI mainly showed bilateral temporal lobe and hippocampal atrophy with signal abnormalities, with or without abnormal signals in other brain parenchyma, and the enhancement patterns were diverse, which may be unenhanced, patchy, or strip enhancement. Three cases of meningovascular type (13.0%), presented with ischemic stroke with short duration and acute onset. MRI mainly showed multiple acute cerebral infarcts with extensive but scattered intracranial lesions. Three cases of syphilis gumma type (13.0%), had a long course of disease and mainly presented with headache. MRI mainly showed multiple lesions in the internal cerebral convexity with significant surrounding edema bands and significant enhancement of the enhanced lesions with adjacent meningeal enhancement. Mixed type in 1 case (4.4%), presented with headache. MRI findings were complex. Conclusion: The clinical and MRI manifestations of neurosyphilis are diverse, with significant variations among subtypes. Quantitative imaging biomarkers, including lesion volume and SIR, demonstrated diagnostic utility, particularly in distinguishing parenchymal and meningovascular types. Integrating these biomarkers with clinical evaluation may improve diagnostic precision and facilitate targeted interventions.
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