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Brain biopsy in AIDS. Diagnostic value and consequence

C J Nielsen1, F Gjerris, H Pedersen

  • 1University Clinic of Neurosurgery, Rigshospitalet, Copenhagen, Denmark.

Acta Neurochirurgica
|January 1, 1994
PubMed
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Brain biopsies in patients with acquired immunodeficiency syndrome (AIDS) revealed diverse lesions, often differing from autopsy findings. Cerebral biopsy is recommended post-toxoplasmosis treatment for prognosis estimation in AIDS patients.

Area of Science:

  • Neurology
  • Infectious Diseases
  • Oncology

Background:

  • Acquired immunodeficiency syndrome (AIDS) can manifest with various neurological complications.
  • Brain biopsies are crucial for diagnosing neurological lesions in immunocompromised patients.

Purpose of the Study:

  • To investigate the diagnostic yield and clinical impact of cerebral biopsies in patients with AIDS.
  • To compare biopsy findings with autopsy results and assess their correlation.

Main Methods:

  • Retrospective analysis of 19 male AIDS patients undergoing brain biopsy.
  • Histopathological examination of biopsy specimens.
  • Correlation of biopsy findings with clinical data and autopsy results where available.

Main Results:

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  • Progressive multifocal leukoencephalopathy (PML) was diagnosed in 6 patients.
  • Other diagnoses included toxoplasmosis, bacterial abscesses, viral encephalitis, gliosis, fungal infections, lymphoma, and sarcoma-like tumors.
  • Biopsy findings led to treatment modification in only 3 cases.
  • Mean survival was short (76 days).
  • Discrepancies were noted between biopsy and autopsy findings in 50% of cases.

Conclusions:

  • Cerebral biopsy in AIDS patients has a limited role in guiding treatment but can aid prognosis.
  • Biopsy is most recommended after toxoplasmosis treatment.
  • Discrepancies between biopsy and autopsy highlight diagnostic challenges.