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Published on: March 2, 2020
Aspergillosis of the posterior mediastinum
W J Wells1, A H Fox, P R Theodore
1Division of Cardiothoracic Surgery, University of Southern California School of Medicine, Los Angeles.
Abstract:
Invasive pulmonary Aspergillus, although rare in the general population, represents an important cause of morbidity and mortality among immunosuppressed patients. However, mediastinal invasion by Aspergillus is very uncommon, with few cases documented in the literature. Among 13 immunosuppressed pediatric patients recently diagnosed with invasive pulmonary aspergillosis, 3 have had posterior mediastinal invasion with severe complications. Rupture of a mycotic aortic aneurysm occurred in 2 patients, one of whom was operated on successfully. The infection involved the spinal cord with severe neurologic sequelae in 2 patients. We report our experience to make our colleagues aware of this problematic disease, which may be more prevalent in the current population of highly immunosuppressed pediatric patients.
Insights
Invasive pulmonary aspergillosis can invade the mediastinum in immunosuppressed children, leading to severe complications like aortic aneurysm rupture and spinal cord involvement. This rare but serious condition requires increased awareness among healthcare professionals.
Area of Science:
- Medicine
- Infectious Diseases
- Pediatrics
Background:
- Invasive pulmonary aspergillosis (IPA) is a significant cause of mortality in immunosuppressed patients.
- Mediastinal invasion by Aspergillus is an exceptionally rare complication of IPA.
Observation:
- This study observed 13 immunosuppressed pediatric patients with IPA.
- Three of these patients experienced posterior mediastinal invasion by Aspergillus.
Findings:
- Two patients developed mycotic aortic aneurysms, with one requiring successful surgical intervention.
- Two patients suffered spinal cord involvement, resulting in severe neurological deficits.
Implications:
- Increased awareness of mediastinal aspergillosis is crucial for early diagnosis and management in immunocompromised pediatric populations.
- This highlights a potentially underestimated complication in the growing population of highly immunosuppressed children.
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