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Toxoplasma encephalitis in HIV: case report.

P M Ng'walali1, K Kibayashi, M P Mbonde

  • 1Department of Forensic Medicine, Kumamoto University School of Medicine, Japan.

East African Medical Journal
|May 11, 2002
PubMed
Summary

Toxoplasma encephalitis (TE) is a severe brain infection in HIV patients, with no prior prevalence data in Tanzania. This case report emphasizes the need for high clinical suspicion and autopsy studies for early diagnosis in developing nations.

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Area of Science:

  • Neurology
  • Infectious Diseases
  • Immunology

Background:

  • Toxoplasma encephalitis (TE) is a significant opportunistic infection in Human Immunodeficiency Virus (HIV)-infected individuals.
  • Limited data exists on the prevalence of toxoplasmosis affecting the brain in HIV patients in Tanzania.
  • Early diagnosis and treatment are crucial for managing TE and improving outcomes in immunocompromised populations.

Observation:

  • A 35-year-old male HIV-infected patient presented with a week of severe headache, initially treated empirically with antimalarials.
  • Toxoplasma encephalitis was not clinically suspected, leading to delayed diagnosis.
  • Postmortem histological examination using hematoxylin-eosin and P30 antibody immunohistochemistry confirmed TE.

Findings:

  • This case represents the first documented instance of fulminant toxoplasma encephalitis in an HIV-infected patient in Tanzania.

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  • Histopathological confirmation highlighted the presence of toxoplasma antigen in brain tissue.
  • The diagnostic challenges underscore the need for increased awareness of TE in this demographic.

    • Implications:

    • A high index of suspicion for TE is recommended in HIV-infected patients presenting with focal neurological symptoms.
    • Autopsy studies are vital for confirming toxoplasma brain lesions and raising diagnostic awareness.
    • Findings emphasize the importance of diagnostic preparedness for opportunistic infections in resource-limited settings like Tanzania.