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Pneumocystis carinii meningoradiculitis in a patient with AIDS

J L Villanueva1, E Cordero, F J Caballero-Granado

  • 1Infectious Disease Unit and Service of Microbiology, Hospital Universitario Virgen del Rocío, Seville, Spain.

Insights

Pneumocystis carinii, an opportunistic pathogen, rarely causes extrapulmonary infections in HIV patients. This report details a unique case of P. carinii meningoradiculitis identified in cerebrospinal fluid (CSF).

Area of Science:

  • Infectious Diseases
  • Neurology
  • Immunology

Background:

  • Pneumocystis carinii is a significant opportunistic pathogen, particularly in individuals with human immunodeficiency virus (HIV).
  • While Pneumocystis pneumonia is prevalent, extrapulmonary manifestations are uncommon.
  • Clinical presentations of P. carinii infections are often nonspecific, complicating diagnosis.

Observation:

  • This report presents an atypical case of P. carinii infection.
  • The infection manifested as meningoradiculitis, affecting the meninges and nerve roots.
  • The affected individual was infected with HIV and had undergone primary prophylaxis.

Findings:

  • Pneumocystis carinii was detected in the cerebrospinal fluid (CSF).
  • This marks the first reported instance of P. carinii detection in CSF.
  • The case highlights an unusual extrapulmonary site of infection.

Implications:

  • This finding expands the known spectrum of P. carinii infections in HIV-positive individuals.
  • It suggests that P. carinii can cause central nervous system infections, even with prophylaxis.
  • Further investigation into diagnostic methods and treatment strategies for CNS P. carinii infections is warranted.

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