Related Experiment Video
Updated: Jan 24, 2026

Histological Quantification to Determine Lung Fungal Burden in Experimental Aspergillosis
Published on: March 9, 2018
The application of next-generation sequencing in diagnosing invasive pulmonary aspergillosis: three case reports
Bin-Chan He1, Lu-Lu Liu1, Bi-Lin Chen1
1Department of Respiratory and Critical Care Medicine, Jinling Hospital, Medical School of Nanjing University Nanjing 210002, China.
Abstract:
Invasive pulmonary aspergillosis (IPA) is a severe infectious disease with high mortality. However, the clinical diagnosis of IPA remains difficult since the microbiological evidence is hard to acquire. The main issue of the current microbiological methods is that they are time-consuming and offer a low yield. Currently, next-generation sequencing (NGS) has become an attractive alternative method for broad-based pathogen discovery due to the rapid turnaround time and high accuracy. This article describes 3 cases of IPA. Two patients had a history of chronic obstructive pulmonary disease (COPD) and asthma, and the other patient had no underlying diseases. The Aspergillus fumigatus gene was found in the bronchoalveolar lavage fluid in all three cases by NGS. This report explores the role of NGS in the diagnosis of IPA and emphasizes that IPA may occur in non-neutropenic patients.
Insights
Next-generation sequencing (NGS) aids in diagnosing invasive pulmonary aspergillosis (IPA), a serious lung infection. This rapid method detected Aspergillus fumigatus in patients, including those without typical risk factors like neutropenia.
Area of Science:
- Medical Microbiology
- Infectious Diseases
- Genomics
Background:
- Invasive pulmonary aspergillosis (IPA) presents diagnostic challenges due to difficulties in obtaining microbiological evidence.
- Current microbiological methods for IPA diagnosis are often slow and have low sensitivity.
Observation:
- This study presents three cases of IPA, with two patients having a history of chronic obstructive pulmonary disease (COPD) and asthma.
- Next-generation sequencing (NGS) was employed to detect the Aspergillus fumigatus gene in bronchoalveolar lavage fluid.
Findings:
- NGS successfully identified Aspergillus fumigatus in all three IPA cases, demonstrating its utility in pathogen detection.
- The study highlights that IPA can occur in patients without neutropenia, broadening the clinical suspicion criteria.
Implications:
- NGS offers a faster and more accurate alternative for diagnosing IPA compared to traditional methods.
- These findings suggest a need to consider IPA in a wider range of patients, including non-neutropenic individuals.
Related Concept Videos
Next-generation Sequencing
Next-Generation Sequencing Methods
Although all next-generation methods use different technologies, they all share a set of standard features....
Diagnosing Acidosis and Alkalosis
First, the pH level is assessed to determine whether the blood pH is normal (7.35–7.45), low (acidosis), or high (alkalosis).
Next, the PCO2 and...
Data Reporting and Recording
Types of Reports I: Hands-off Report
Following are the key components and categories of hand-off reports:
Purpose and Process:
Types of Reports II: Incident or Occurrence Report
Purposes:
In the healthcare industry, reports play a crucial role in documenting incidents within an agency. The primary objective of these reports is to ensure patient safety, uphold the...
Cis-regulatory Sequences

