Back Pain in a 23-Year-Old Male With X-Linked Chronic Granulomatous Disease

Michelle C Sabo1, Michela Blain1, Denise McCulloch1

  • 1Department of Medicine, University of Washington, Seattle, Washington, USA.

Insights

Chronic granulomatous disease patients face higher invasive aspergillosis risks. This study details the first vertebral osteomyelitis case caused by Aspergillus udagawae in a patient with X-linked chronic granulomatous disease.

Area of Science:

  • Medical Mycology
  • Infectious Diseases
  • Immunocompromised Host Infections

Background:

  • Patients with chronic granulomatous disease (CGD) exhibit heightened susceptibility to invasive fungal infections.
  • Invasive aspergillosis is a significant concern in CGD patients, often caused by common Aspergillus species.
  • Emerging recognition of cryptic Aspergillus species as pathogens in immunocompromised individuals.

Observation:

  • A case of vertebral osteomyelitis was identified in a patient diagnosed with X-linked chronic granulomatous disease.
  • The causative agent was identified as Aspergillus udagawae, a less common fungal species.
  • This represents the first documented instance of Aspergillus udagawae causing vertebral osteomyelitis in this patient population.

Findings:

  • Aspergillus udagawae can cause severe invasive infections, such as vertebral osteomyelitis, in patients with CGD.
  • Diagnostic challenges may arise with cryptic Aspergillus species, necessitating advanced identification methods.
  • Vertebral osteomyelitis due to Aspergillus udagawae requires specific clinical and microbiological consideration.

Implications:

  • Highlights the importance of considering cryptic Aspergillus species in the differential diagnosis of invasive infections in CGD patients.
  • Underscores the need for accurate species identification for appropriate antifungal therapy selection.
  • Contributes to understanding the spectrum of fungal pathogens affecting individuals with primary immunodeficiencies.