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Updated: Jul 5, 2025
3-D Imaging and Analysis of Neurons Infected In Vivo with Toxoplasma gondii
Published on: December 9, 2014
CEREBRAL TOXOPLASMOSIS IN THE COURSE OF HIV INFECTION - CASE STUDY
Aleksandra Podulka1, Marek Klus1
1CLINICAL NEUROLOGY DEPARTMENT WITH STROKE UNIT, 5TH MILITARY CLINICAL HOSPITAL WITH POLYCLINIC IN CRACOW, CRACOW, POLAND.
Insights
Central nervous system toxoplasmosis is a common cause of cerebral lesions in patients with human immunodeficiency virus (HIV) infection. Early diagnosis and treatment are crucial for managing impaired consciousness in these individuals.
Area of Science:
- Neurology
- Infectious Diseases
- Immunology
Background:
- HIV infection is a global health concern, leading to immunodeficiency.
- Opportunistic infections, like toxoplasmosis, are common in untreated HIV.
- Toxoplasma gondii reactivation is a primary cause of cerebral lesions in AIDS patients.
Observation:
- A 43-year-old male presented with impaired consciousness.
- Diagnostic imaging revealed extensive cerebral lesions consistent with toxoplasmosis.
- The patient was diagnosed with toxoplasmosis in the context of acquired immunodeficiency syndrome (AIDS).
Findings:
- Central nervous system (CNS) toxoplasmosis is the most frequent cause of widespread brain lesions in HIV-infected individuals.
- MRI typically shows scattered, ring-enhancing lesions in these cases.
- Symptoms are varied, including headache, altered consciousness, seizures, and focal neurological deficits.
Implications:
- Impaired consciousness can be an initial clinical sign of AIDS.
- Prompt diagnosis and treatment of CNS toxoplasmosis are essential.
- Integrating HIV status into differential diagnoses for altered consciousness is critical.
Objective:
Aim: To the aim of our study is to draw attention to the need to take into account HIV infection and its complications, such as CNS toxoplasmosis, in the differential diagnosis of people presenting with impaired consciousness. We analyzed our patient's medical records and available statistical data on HIV infection, as well as literature on nervous system involvement in the course of AIDS.
Patients And Methods:
Materials and Methods: In our paper, we present the case of a 43-year-old male who was admitted to a neurological ward due to impaired consciousness. Diagnostic imaging and laboratory tests were conducted, and patient was diagnosed with toxoplasmosis in the course of AIDS.
Conclusion:
Conclusions: HIV infection is a global public health problem. In the absence or ineffectiveness of treatment, it leads to profound immunodeficiency and, consequently, opportunistic infections. One of them is the reactivation of the latent Toxoplasma gondii infection. It is the most common cause of extensive cerebral lesions in patients infected with the HIV virus. In these cases, MRI reveals numerous scattered ring-enhancing lesions. The symptoms are non-specific: headaches, impaired consciousness, convulsions, behavioral changes, and focal neurological deficits. The onset of neurological symptoms may be the first clinically relevant manifestation of AIDS. It is key to diagnose such patients as soon as possible and treat them accordingly.
