Related Experiment Videos

Treatment of Scedosporium apiospermum brain abscesses with posaconazole

Ingo K Mellinghoff1, Drew J Winston, Geoffrey Mukwaya

  • 1Division of Hematology-Oncology, Department of Medicine, University of California Los Angeles School of Medicine, Los Angeles, CA, 90095, USA.

Insights

Scedosporium apiospermum brain abscesses in an acute lymphoblastic leukemia patient did not respond to standard treatments. Posaconazole monotherapy achieved complete resolution of these multiple fungal brain infections.

Area of Science:

  • Mycology
  • Infectious Diseases
  • Neurology

Background:

  • Acute lymphoblastic leukemia (ALL) patients are immunocompromised, increasing susceptibility to opportunistic infections.
  • Scedosporium apiospermum is an emerging fungal pathogen causing severe infections, particularly in immunocompromised individuals.
  • Brain abscesses due to Scedosporium apiospermum are rare but life-threatening.

Observation:

  • A 41-year-old male with ALL presented with multiple Scedosporium apiospermum brain abscesses.
  • The patient's condition worsened despite surgical intervention and treatment with itraconazole, amphotericin B, and ketoconazole.
  • Invasive fungal infections require prompt and effective therapeutic strategies.

Findings:

  • Posaconazole monotherapy led to the complete resolution of multiple Scedosporium apiospermum brain abscesses.
  • This case highlights the potential efficacy of posaconazole in treating refractory Scedosporium brain infections.
  • Antifungal resistance is a significant concern in managing invasive mycoses.

Implications:

  • Posaconazole may represent a valuable therapeutic option for Scedosporium apiospermum brain abscesses, especially in cases resistant to other antifungals.
  • Further research is warranted to establish optimal treatment protocols for Scedosporium infections in immunocompromised hosts.
  • Early diagnosis and targeted antifungal therapy are crucial for improving outcomes in patients with invasive fungal sinusitis.

Related Concept Videos

Brain Abscess l: Introduction01:26

Brain Abscess l: Introduction

A brain abscess is a focal, intracerebral infection characterized by a localized collection of pus within the brain parenchyma, resulting from microbial invasion and the body’s inflammatory response. It progresses through stages: early and late cerebritis, followed by early and late capsule formation, reflecting tissue destruction, immune response, and eventual encapsulation.Etiology and PathogenesisCausative organisms vary with source and host factors, often involving polymicrobial infections,...
Cryptococcal Meningitis01:27

Cryptococcal Meningitis

Cryptococcal meningitis is a life-threatening opportunistic infection predominantly associated with HIV/AIDS, accounting for over 100,000 deaths annually worldwide. However, it also affects individuals with other forms of immunosuppression, including those undergoing immunosuppressive therapy, organ transplant recipients, patients with innate immunodeficiencies, and individuals with hematological disorders. The infection is caused mainly by Cryptococcus neoformans and Cryptococcus gattii,...
Fungal Phylum Microsporidia01:28

Fungal Phylum Microsporidia

Microsporidia are a group of obligate intracellular fungi that were initially classified as protists but were later reclassified based on phylogenetic, molecular, and structural evidence linking them to the Chytridiomycota. These unicellular, non-motile organisms are highly specialized parasites that infect a wide range of animal hosts, including humans. They have evolved extensive genomic and metabolic reductions, making them highly dependent on their hosts for survival.Morphology and Genomic...