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Fungal infection of lung

Last edited: 4/16/2026

Overview

Fungal infections of the lung encompass a spectrum of diseases ranging from allergic bronchopulmonary aspergillosis to invasive aspergillosis and other mycoses, characterized by diverse clinical presentations and pathological features that often require tissue analysis for accurate diagnosis 1.

Diagnosis

  • Histopathological Examination: Essential for specific diagnosis, guided by patterns of inflammation and direct fungal morphology 1.
  • Invasive Procedures: Tissue sampling via bronchoscopy or surgical methods is crucial for definitive diagnosis 1.
  • Imaging and Radiology: Critical for initial suspicion and guiding further diagnostic sampling; interventional radiology plays a pivotal role 1.
  • Culture and Sensitivity Testing: Necessary for identifying the specific fungal species and guiding treatment 1.

    • Management

  • Antifungal Therapy: Varies by pathogen and severity; examples include voriconazole for invasive aspergillosis (first-line) 1, echinocandins for candidiasis 1.
  • Supportive Care: Includes respiratory support, management of underlying conditions, and monitoring for complications 1.
  • Duration of Treatment: Tailored based on clinical response and specific fungal infection type, often requiring prolonged therapy 1.

    • Special Populations

  • Pregnancy: Management requires careful selection of antifungals with minimal fetal risk; consult specific guidelines for tailored therapy 1.
  • Elderly: Increased susceptibility to complications; close monitoring and individualized treatment plans are essential 1.

    • Key Recommendations

  • Utilize invasive procedures for obtaining tissue samples to enhance diagnostic accuracy in suspected pulmonary mycoses (Evidence: Moderate 1).
  • Collaborate closely between radiologists and pathologists to optimize diagnostic outcomes for fungal lung infections (Evidence: Expert opinion 1).
  • Tailor antifungal therapy based on specific fungal pathogen identified and patient-specific factors, including comorbidities (Evidence: Moderate 1).

    • References

    1 Litzky LA. The pathology of fungal disease in the lung. Seminars in roentgenology 1996. link80036-8)

    Original source

    1. [1]
      The pathology of fungal disease in the lung. — Litzky LA Seminars in roentgenology (1996)
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