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Cerebral phaeohyphomycosis caused by a dematiaceous scopulariopsis species

A P Hart1, D A Sutton, P J McFeeley

  • 1Office of the Medical Investigator of the State of New Mexico, Albuquerque 87131, USA.

Clinical Neuropathology
|October 12, 2001
PubMed

Insights

A rare fungal infection, cerebral phaeohyphomycosis caused by Scopulariopsis species, rapidly proved fatal in an immunocompetent male. The aggressive infection presented as a brain lesion, leading to widespread cerebritis post-surgery.

Area of Science:

  • Medical Mycology
  • Neuropathology
  • Infectious Diseases

Background:

  • Cerebral phaeohyphomycosis is a rare and often severe fungal infection of the brain.
  • Immunocompetent individuals are typically resistant to such infections, making this case unusual.

Observation:

  • A single, large lesion in the temporal lobe's deep white matter was surgically removed.
  • Histopathology revealed perivascular inflammation and hemorrhage, mimicking acute hemorrhagic leukoencephalitis.
  • Rare fungal organisms and multinucleated giant cells were noted, atypical for the initial presentation.

Findings:

  • Post-surgical observation showed rapid development of extensive cerebritis with massive fungal invasion near ventriculostomy sites.
  • Fungal cultures from autopsy identified the causative agent as a Scopulariopsis species.
  • The case highlights a rapidly fatal trajectory despite surgical intervention in an immunocompetent host.

Implications:

  • This case underscores the potential for aggressive cerebral phaeohyphomycosis, even in immunocompetent individuals.
  • It emphasizes the importance of considering fungal etiologies in rapidly progressing neurological conditions.
  • Further research into the pathogenesis and treatment of Scopulariopsis-related cerebral infections is warranted.

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