[Chronic necrotizing pulmonary aspergillosis caused by Aspergillus niger]
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M Arévalo1, J Solera, F Rodríguez
1Sección de Neumología, Hospital General, Albacete.
Abstract:
Chronic necrotizing pulmonary aspergillosis (CNPA), also known as semi-invasive pulmonary aspergillosis , is a recently defined entity. CNPA is characterized by a pulmonary infiltration with cavitation of chronic evolution in patients with chronic pulmonary disease, slight immunodeficiency or healthy patients. Good evolution is obtained with antimicotic treatment. The isolation of Aspergillus niger as a cause of CNPA is infrequent and may bear worse prognosis. A patient who presented CNPA by Aspergillus niger is described. The patient had received radiotherapy for epidermal carcinoma of the esophagus. Three other cases have been reported in the literature. The diagnostic aspects, treatment and prognostic factors of CNPA are commented upon.
Insights
Chronic necrotizing pulmonary aspergillosis (CNPA) is a lung infection. Aspergillus niger is an uncommon cause of CNPA, potentially indicating a poorer prognosis, but responds to antifungal treatment.
Area of Science:
- Pulmonology
- Mycology
- Infectious Diseases
Background:
- Chronic necrotizing pulmonary aspergillosis (CNPA), or semi-invasive pulmonary aspergillosis, is a distinct clinical entity.
- CNPA presents as chronic pulmonary infiltration with cavitation.
- It affects patients with chronic lung disease, mild immunodeficiency, or even immunocompetent individuals.
Observation:
- The isolation of Aspergillus niger as a causative agent of CNPA is rare.
- Aspergillus niger-induced CNPA may be associated with a worse prognosis.
- A case of CNPA caused by Aspergillus niger in a patient with a history of esophageal cancer radiotherapy is presented.
Findings:
- The described case adds to the limited literature on Aspergillus niger as a cause of CNPA.
- Antifungal therapy is generally effective in achieving good outcomes for CNPA.
- Diagnostic challenges, treatment strategies, and prognostic factors for CNPA are discussed.
Implications:
- This case highlights the importance of considering Aspergillus niger in CNPA diagnosis, especially in specific patient populations.
- Understanding prognostic factors is crucial for managing CNPA effectively.
- Further research into Aspergillus niger-specific CNPA is warranted to refine treatment and improve patient outcomes.