Central nervous system infections in transplant recipients by Cladophialophora bantiana

D Keith Harrison1, Stephen Moser, Cheryl Ann Palmer

  • 1Department of Pathology, University of Alabama at Birmingham, Birmingham, AL 35294, USA.

Insights

Cladophialophora bantiana, a fungus, increasingly causes brain abscesses in immunocompromised patients, particularly transplant recipients. This neurotropic fungus requires careful identification in histopathology for accurate diagnosis and treatment.

Area of Science:

  • Medical Mycology
  • Infectious Diseases
  • Neurosurgery

Background:

  • Cladophialophora bantiana is a dematiaceous fungus.
  • Historically, it was believed to primarily affect immunocompetent individuals.
  • Recent trends indicate a rise in infections among immunocompromised populations.

Observation:

  • Dematiaceous fungi, including Cladophialophora, exhibit characteristic golden-brown pigmentation in hyphal walls on histopathology.
  • Cladophialophora bantiana displays significant neurotropism compared to other dematiaceous fungi.
  • The fungus is increasingly identified as a cause of cerebral abscesses, especially in transplant patients.

Findings:

  • This study presents two cases of cerebral abscesses caused by Cladophialophora bantiana in liver and double lung transplant recipients.
  • A review of existing literature supports the growing association between this fungus and brain infections in transplant recipients.
  • The neurotropic nature of Cladophialophora bantiana is a key factor in its cerebral manifestation.

Implications:

  • Highlights the importance of considering Cladophialophora bantiana in the differential diagnosis of brain abscesses in immunocompromised patients, particularly organ transplant recipients.
  • Emphasizes the need for accurate histopathological identification of this fungus.
  • Suggests a potential shift in the understanding of Cladophialophora bantiana's pathogenicity and host predilection.

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