Related Experiment Video
Updated: May 13, 2026

3-D Imaging and Analysis of Neurons Infected In Vivo with Toxoplasma gondii
Published on: December 9, 2014
Teaching NeuroImages: a neurosyphilis case presenting with atypical neuroradiologic findings
Nergiz Agayeva1, Kader Karli-Oguz, Esen Saka
1Department of Neurology, Faculty of Medicine, Hacettepe University, Ankara, Turkey.
Abstract:
A 51-year-old man presented with memory loss, behavioral changes, and generalized seizures for 4 months. Mini-Mental State Examination (MMSE) score was 11. MRI showed hyperintensities in multiple cortical areas and thalami (figure, A-C). Diffusion was restricted in certain areas (figure, D and E). Treponemal antibody tests were positive in serum and CSF. He was treated with penicillin. Six months later, his behavior and memory improved considerably (MMSE 20).
Insights
Neurosyphilis can cause severe cognitive and neurological symptoms. Prompt penicillin treatment led to significant recovery in a patient with advanced neurosyphilis, highlighting the importance of early diagnosis and intervention.
Area of Science:
- Neurology
- Infectious Diseases
- Neuroimaging
Background:
- Neurosyphilis is a re-emergent infection caused by Treponema pallidum, potentially leading to severe neurological and psychiatric manifestations.
- Early diagnosis and treatment are crucial for managing neurosyphilis and preventing irreversible neurological damage.
Observation:
- A 51-year-old male presented with a 4-month history of memory loss, behavioral changes, and seizures.
- Magnetic Resonance Imaging (MRI) revealed cortical and thalamic hyperintensities with restricted diffusion, indicative of active disease.
- Positive serum and cerebrospinal fluid (CSF) treponemal antibody tests confirmed the diagnosis of neurosyphilis.
Findings:
- The patient received penicillin treatment for neurosyphilis.
- Following treatment, significant improvements in cognitive function (MMSE score increased from 11 to 20) and behavior were observed after six months.
Implications:
- This case underscores the critical role of neuroimaging and serological tests in diagnosing neurosyphilis.
- Effective penicillin therapy can lead to substantial neurological and cognitive recovery, emphasizing the importance of timely intervention in neurosyphilis cases.
Related Concept Videos
Brain Abscess l: Introduction
Encephalitis ll: Pathophysiology
Aneurysm II: Clinical Manifestations and Diagnostic Studies
Viral Meningitis
Encephalitis l: Introduction
Arboviral Encephalitis
